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2025 Graphical Tropical Weather Outlook
2 Day Graphical Tropical Weather Outlook
7 Day Graphical Tropical Weather Outlook
Atlantic Tropical Weather Outlook
- Fri, 28 Aug 2026 05:04:26 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 280504
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0615 UTC Fri Aug 28 2026
Tropical Weather Discussion for North America, Central America
Gulf of America, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0000 UTC surface analysis and satellite imagery through
0430 UTC.
...SPECIAL FEATURES...
Tropical Storm Dolly is centered near 13.8N 42.3W at 28/0300 UTC
or 1140 nm E of the Leeward Islands, moving W at 20 kt.
Estimated minimum central pressure is 1007 mb. Maximum sustained
wind speed is 35 kt with gusts to 45 kt. Peak seas are near 12
ft. Scattered moderate and isolated strong convection is occurring
within 90 NM of the center in the northern semicircle. A fast
westward motion is expected to continue for the next couple of
days. On the forecast track, this system should be nearing the
Leeward Islands this weekend. Little change in strength is likely
during the next 48 hours, and Dolly is forecast to degenerate into
a tropical wave before it reaches the Leeward Islands. Heavy rain
from Dolly could affect the Leeward Islands late Saturday into
Sunday, with rainfall moving into the Virgin Islands, Puerto Rico
and Hispaniola Sunday and Monday. This heavy rain may produce
flash flooding within areas of higher terrain of the Leeward
Islands. Please read the latest HIGH SEAS FORECAST issued by the
National Hurricane Center -
https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml and the latest Dolly
NHC Forecast/Advisory and Public Advisory at www.hurricanes.gov
for more details.
Caribbean Gale Warning: A tight pressure gradient between the
subtropical ridge north of the area and the Colombian low will
support fresh to strong easterly trade winds and rough seas to
locally very rough seas in the south-central Caribbean through
early next week. Winds will pulse to gale-force tonight off
Colombia. The ASCAT scatterometer passes around 0130 UTC showed
peak winds of near gale at 12N75W. Please refer to the latest
HIGH SEAS FORECAST issued by the National Hurricane Center at
website
- https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details.
...TROPICAL WAVES...
An eastern Atlantic tropical wave is analyzed along 25W, south of
20N over the Cabo Verde Islands while moving westward at about 15
kt. Scattered moderate convection is noted from 09N-13N between
24W-29W.
A new tropical wave was introduced in Atlantic approaching the
Lesser Antilles along 57W south of 20N. It is likely moving
westward around 15 kt. No deep convection is noted in association
with this system.
A tropical wave is over the central Caribbean along 71W, south of
19N from Hispaniola to Venezuela. It is quickly moving westward
at around 20 kt. No significant convection is observed with this
wave.
...MONSOON TROUGH/ITCZ...
The monsoon trough exits West Africa from the Senegal coast near
14N17W and extends southwestward to 10N24W. The ITCZ starts at
09N36W to 07N58W along the coast of Guyana. Scattered moderate
convection is noted from 09N-13N between 24W-29W.
...GULF OF AMERICA...
A weak 1015 mb high is centered over the central Gulf near 25N89W.
Winds across the Gulf are moderate or weaker with seas 1-3 ft.
Isolated moderate convection is noted north of 24N east of 90W.
For the forecast, weak high pressure will persist across the Gulf
waters through the next several days, supporting moderate or
lighter winds and slight seas. Winds will pulse to fresh to
locally strong with moderate seas off western Yucatan during the
evenings due to a diurnal surface trough moving west off the
peninsula each night. A frontal boundary will meander near the
northern Gulf waters during the next few days producing scattered
showers and isolated thunderstorms. Mariners can expect gusty
winds and higher seas associated with these storms.
...CARIBBEAN SEA...
Please see the Special Features section above for details on the
Gale Warning in effect for the waters off Colombia.
Other than the gale winds just north of Colombia for a few more
hours, fresh to near gale trades are occurring over the central
Caribbean with seas 6-11 ft. Elsewhere, winds are moderate or
weaker with seas 3-5 ft. Scattered moderate convection is
occurring south of 12N west of 80W, associated with the eastern
extent of the northeast Pacific monsoon trough.
For the forecast, a tight pressure gradient between the
subtropical ridge north of the area and the Colombian low will
support fresh to strong easterly trade winds and rough seas to
locally very rough seas in the south-central Caribbean through
early next week. Winds will pulse to gale-force tonight off
Colombia. Winds will pulse to fresh to locally strong in the
Windward Passage at night. Tropical Storm Dolly is near 13.8N
42.3W at 11 PM EDT, and is moving west at 20 kt. Maximum sustained
winds are 35 kt with gusts to 45 kt, and the minimum central
pressure is 1007 mb. Dolly will move to 14.3N 45.7W Fri morning,
15.2N 50.2W Fri evening, 16.0N 54.7W Sat morning, become post-
tropical and move to 16.7N 59.0W Sat evening, weaken to a remnant
low near 17.0N 63.0W Sun morning, and dissipate Sun evening.
...ATLANTIC OCEAN...
Please refer to the Special Features section for more details on
the Tropical Storm Dolly.
Aside from the winds associated with Tropical Storm Dolly, the
trades are moderate or weaker across the tropical North Atlantic
except for fresh to locally strong N along Western Sahara and
Mauritania. Seas are 3-7 ft across forecast waters. A weak surface
trough extends from 28N67W to 31N65W and is associated with
isolated moderate convection north of 22N between 61W-70W.
For the forecast west of 55W, the subtropical ridge will dominate
the SW N Atlantic waters over the next several days supporting
mainly moderate or weaker winds and slight to moderate seas. Winds
will pulse to fresh to locally strong off northern Hispaniola at
night. Tropical Storm Dolly is near 13.8N 42.3W at 11 PM EDT, and
is moving west at 20 kt. Maximum sustained winds are 35 kt with
gusts to 45 kt, and the minimum central pressure is 1007 mb. Dolly
will move to 14.3N 45.7W Fri morning, 15.2N 50.2W Fri evening,
16.0N 54.7W Sat morning, become post-tropical and move to 16.7N
59.0W Sat evening, weaken to a remnant low near 17.0N 63.0W Sun
morning, and dissipate Sun evening.
$$
Landsea/Delgado
Tropical Weather Discussion
- Fri, 28 Aug 2026 05:04:26 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 280504
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0615 UTC Fri Aug 28 2026
Tropical Weather Discussion for North America, Central America
Gulf of America, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0000 UTC surface analysis and satellite imagery through
0430 UTC.
...SPECIAL FEATURES...
Tropical Storm Dolly is centered near 13.8N 42.3W at 28/0300 UTC
or 1140 nm E of the Leeward Islands, moving W at 20 kt.
Estimated minimum central pressure is 1007 mb. Maximum sustained
wind speed is 35 kt with gusts to 45 kt. Peak seas are near 12
ft. Scattered moderate and isolated strong convection is occurring
within 90 NM of the center in the northern semicircle. A fast
westward motion is expected to continue for the next couple of
days. On the forecast track, this system should be nearing the
Leeward Islands this weekend. Little change in strength is likely
during the next 48 hours, and Dolly is forecast to degenerate into
a tropical wave before it reaches the Leeward Islands. Heavy rain
from Dolly could affect the Leeward Islands late Saturday into
Sunday, with rainfall moving into the Virgin Islands, Puerto Rico
and Hispaniola Sunday and Monday. This heavy rain may produce
flash flooding within areas of higher terrain of the Leeward
Islands. Please read the latest HIGH SEAS FORECAST issued by the
National Hurricane Center -
https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml and the latest Dolly
NHC Forecast/Advisory and Public Advisory at www.hurricanes.gov
for more details.
Caribbean Gale Warning: A tight pressure gradient between the
subtropical ridge north of the area and the Colombian low will
support fresh to strong easterly trade winds and rough seas to
locally very rough seas in the south-central Caribbean through
early next week. Winds will pulse to gale-force tonight off
Colombia. The ASCAT scatterometer passes around 0130 UTC showed
peak winds of near gale at 12N75W. Please refer to the latest
HIGH SEAS FORECAST issued by the National Hurricane Center at
website
- https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details.
...TROPICAL WAVES...
An eastern Atlantic tropical wave is analyzed along 25W, south of
20N over the Cabo Verde Islands while moving westward at about 15
kt. Scattered moderate convection is noted from 09N-13N between
24W-29W.
A new tropical wave was introduced in Atlantic approaching the
Lesser Antilles along 57W south of 20N. It is likely moving
westward around 15 kt. No deep convection is noted in association
with this system.
A tropical wave is over the central Caribbean along 71W, south of
19N from Hispaniola to Venezuela. It is quickly moving westward
at around 20 kt. No significant convection is observed with this
wave.
...MONSOON TROUGH/ITCZ...
The monsoon trough exits West Africa from the Senegal coast near
14N17W and extends southwestward to 10N24W. The ITCZ starts at
09N36W to 07N58W along the coast of Guyana. Scattered moderate
convection is noted from 09N-13N between 24W-29W.
...GULF OF AMERICA...
A weak 1015 mb high is centered over the central Gulf near 25N89W.
Winds across the Gulf are moderate or weaker with seas 1-3 ft.
Isolated moderate convection is noted north of 24N east of 90W.
For the forecast, weak high pressure will persist across the Gulf
waters through the next several days, supporting moderate or
lighter winds and slight seas. Winds will pulse to fresh to
locally strong with moderate seas off western Yucatan during the
evenings due to a diurnal surface trough moving west off the
peninsula each night. A frontal boundary will meander near the
northern Gulf waters during the next few days producing scattered
showers and isolated thunderstorms. Mariners can expect gusty
winds and higher seas associated with these storms.
...CARIBBEAN SEA...
Please see the Special Features section above for details on the
Gale Warning in effect for the waters off Colombia.
Other than the gale winds just north of Colombia for a few more
hours, fresh to near gale trades are occurring over the central
Caribbean with seas 6-11 ft. Elsewhere, winds are moderate or
weaker with seas 3-5 ft. Scattered moderate convection is
occurring south of 12N west of 80W, associated with the eastern
extent of the northeast Pacific monsoon trough.
For the forecast, a tight pressure gradient between the
subtropical ridge north of the area and the Colombian low will
support fresh to strong easterly trade winds and rough seas to
locally very rough seas in the south-central Caribbean through
early next week. Winds will pulse to gale-force tonight off
Colombia. Winds will pulse to fresh to locally strong in the
Windward Passage at night. Tropical Storm Dolly is near 13.8N
42.3W at 11 PM EDT, and is moving west at 20 kt. Maximum sustained
winds are 35 kt with gusts to 45 kt, and the minimum central
pressure is 1007 mb. Dolly will move to 14.3N 45.7W Fri morning,
15.2N 50.2W Fri evening, 16.0N 54.7W Sat morning, become post-
tropical and move to 16.7N 59.0W Sat evening, weaken to a remnant
low near 17.0N 63.0W Sun morning, and dissipate Sun evening.
...ATLANTIC OCEAN...
Please refer to the Special Features section for more details on
the Tropical Storm Dolly.
Aside from the winds associated with Tropical Storm Dolly, the
trades are moderate or weaker across the tropical North Atlantic
except for fresh to locally strong N along Western Sahara and
Mauritania. Seas are 3-7 ft across forecast waters. A weak surface
trough extends from 28N67W to 31N65W and is associated with
isolated moderate convection north of 22N between 61W-70W.
For the forecast west of 55W, the subtropical ridge will dominate
the SW N Atlantic waters over the next several days supporting
mainly moderate or weaker winds and slight to moderate seas. Winds
will pulse to fresh to locally strong off northern Hispaniola at
night. Tropical Storm Dolly is near 13.8N 42.3W at 11 PM EDT, and
is moving west at 20 kt. Maximum sustained winds are 35 kt with
gusts to 45 kt, and the minimum central pressure is 1007 mb. Dolly
will move to 14.3N 45.7W Fri morning, 15.2N 50.2W Fri evening,
16.0N 54.7W Sat morning, become post-tropical and move to 16.7N
59.0W Sat evening, weaken to a remnant low near 17.0N 63.0W Sun
morning, and dissipate Sun evening.
$$
Landsea/Delgado
Active Tropical Systems
- Fri, 28 Aug 2026 05:17:18 +0000: Atlantic Tropical Weather Outlook - NHC Atlantic
383
ABNT20 KNHC 280517
TWOAT
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 AM EDT Fri Aug 28 2026
For the North Atlantic...Caribbean Sea and the Gulf of America:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Dolly, located over the central tropical Atlantic.
Tropical cyclone formation is not expected during the next 7 days.
&&
Public Advisories on Tropical Storm Dolly are issued under WMO
header WTNT34 KNHC and under AWIPS header MIATCPAT4.
Forecast/Advisories on Tropical Storm Dolly are issued under WMO
header WTNT24 KNHC and under AWIPS header MIATCMAT4.
$$
Forecaster Cangialosi - Fri, 28 Aug 2026 03:21:22 +0000: Tropical Storm Dolly Graphics - NHC Atlantic
Wind Speed Probabilities last updated Fri, 28 Aug 2026 03:21:22 GMT - Fri, 28 Aug 2026 02:44:50 +0000: Tropical Storm Dolly Forecast Discussion Number 3 - NHC Atlantic
Issued at 1100 PM AST Thu Aug 27 2026000 WTNT44 KNHC 280244 TCDAT4 Tropical Storm Dolly Discussion Number 3 NWS National Hurricane Center Miami FL AL042026 1100 PM AST Thu Aug 27 2026 Dolly appears to be more or less maintaining its intensity at this time. However, the associated deep convection is not very well-organized, with no well-defined banding features evident on satellite images. The center of circulation is estimated to be on the north side of the main area of convection. The Dvorak intensity estimate from TAFB remains at 35 kt. There was a Metop-B scatterometer pass from just before 00Z which showed just a couple of 35-kt vectors. Therefore the advisory intensity is kept at 35 kt. The scatterometer pass did not completely capture the circulation of the storm but it did suggest some north-northeastward to south-southwestward elongation of the center. The storm continues to move quickly toward the west and the initial motion estimate is 280/20 kt, about the same as before. Dolly is forecast to move mainly westward at a fast forward speed for the next couple of days on the south side of a strong high pressure ridge over the central Atlantic. There have been no significant changes in the track guidance from earlier today. There is fairly good agreement amongst the various model tracks, and the official track forecast is roughly in the middle of these tracks. This is close to the latest Google DeepMind solution. Although it will encounter warmer ocean waters, Dolly is likely to move into less favorable atmospheric conditions during the next couple of days. Some slight short-term strengthening is possible, but increasing vertical wind shear, relatively dry air and the fast forward motion of the system should begin to adversely affect Dolly fairly soon. The global models show the system degenerating into a tropical wave while it approaches the Lesser Antilles, and the NHC intensity forecast is close to the model consensus. Post-tropical positions are provided at 48-60h given the risk of gusty winds and heavy rainfall. KEY MESSAGES: 1. Heavy rains from Dolly or its remnants could affect the Leeward Islands late Saturday into Sunday with possible impacts in the Virgin Islands, Puerto Rico, and Hispaniola Sunday and Monday. This heavy rain may produce flash flooding, especially in areas of higher terrain of the Leeward Islands. FORECAST POSITIONS AND MAX WINDS INIT 28/0300Z 13.8N 42.3W 35 KT 40 MPH 12H 28/1200Z 14.3N 45.7W 40 KT 45 MPH 24H 29/0000Z 15.2N 50.2W 40 KT 45 MPH 36H 29/1200Z 16.0N 54.7W 40 KT 45 MPH 48H 30/0000Z 16.7N 59.0W 35 KT 40 MPH...POST-TROPICAL 60H 30/1200Z 17.0N 63.0W 30 KT 35 MPH...POST-TROP/REMNT LOW 72H 31/0000Z...DISSIPATED $$ Forecaster Pasch
- Fri, 28 Aug 2026 02:44:19 +0000: Tropical Storm Dolly Wind Speed Probabilities Number 3 - NHC Atlantic
Issued at 0300 UTC FRI AUG 28 2026000 FONT14 KNHC 280244 PWSAT4 TROPICAL STORM DOLLY WIND SPEED PROBABILITIES NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042026 0300 UTC FRI AUG 28 2026 AT 0300Z THE CENTER OF TROPICAL STORM DOLLY WAS LOCATED NEAR LATITUDE 13.8 NORTH...LONGITUDE 42.3 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 35 KTS...40 MPH...65 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 00Z FRI AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 00Z FRI 12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE PERIODS TO TO TO TO TO TO TO 12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE 00Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT SAINT MAARTEN 34 X X( X) X( X) X( X) 6( 6) X( 6) X( 6) SABA 34 X X( X) X( X) X( X) 6( 6) X( 6) X( 6) ST EUSTATIUS 34 X X( X) X( X) X( X) 7( 7) X( 7) X( 7) ST KITTS-NEVIS 34 X X( X) X( X) X( X) 8( 8) X( 8) X( 8) BARBUDA 34 X X( X) X( X) X( X) 10(10) X(10) X(10) ANTIGUA 34 X X( X) X( X) X( X) 4( 4) X( 4) X( 4) GUADELOUPE 34 X X( X) X( X) X( X) 7( 7) X( 7) X( 7) DOMINICA 34 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) $$ FORECASTER PASCH - Fri, 28 Aug 2026 02:44:19 +0000: Tropical Storm Dolly Public Advisory Number 3 - NHC Atlantic
Issued at 1100 PM AST Thu Aug 27 2026000 WTNT34 KNHC 280244 TCPAT4 BULLETIN Tropical Storm Dolly Advisory Number 3 NWS National Hurricane Center Miami FL AL042026 1100 PM AST Thu Aug 27 2026 ...DOLLY CONTINUES MOVING RAPIDLY WESTWARD... ...INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR ITS PROGRESS... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.8N 42.3W ABOUT 1315 MI...2120 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 23 MPH...37 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the Leeward Islands should monitor the progress of Dolly. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Storm Dolly was located near latitude 13.8 North, longitude 42.3 West. Dolly is moving toward the west near 23 mph (37 km/h), and this motion is expected to continue for the next couple of days. On the forecast track, this system should be nearing the Leeward Islands this weekend. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Little change in strength is likely during the next 48 hours, and Dolly is forecast to degenerate into a tropical wave before it reaches the Leeward Islands. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Dolly can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC. RAINFALL: Heavy rain from Dolly could affect the Leeward Islands late Saturday into Sunday, with rainfall moving into the Virgin Islands, Puerto Rico and Hispaniola Sunday and Monday. This heavy rain may produce flash flooding within areas of higher terrain of the Leeward Islands. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Pasch
Scheduled Reconnaissance Flight Plans
- Thu, 27 Aug 2026 14:55:23 +0000: Weather Reconnaissance Flights Plan of the Day - Weather Reconnaissance Flights Plan of the Day
000
NOUS42 KNHC 271455
REPRPD
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
1055 AM EDT THU 27 AUGUST 2026
SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)
VALID 28/1100Z TO 29/1100Z AUGUST 2026
TCPOD NUMBER.....26-088
I. ATLANTIC REQUIREMENTS
1. NEGATIVE RECONNAISSANCE REQUIREMENTS.
2. SUCCEEDING DAY OUTLOOK: BEGIN 6-HRLY FIXES ON TROPICAL
STORM DOLLY AT 29/1730Z NEAR 16.3N 57.6W IF SYSTEM
IS A THREAT.
II. PACIFIC REQUIREMENTS
1. NEGATIVE RECONNAISSANCE REQUIREMENTS.
2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE.
$$
WJM
NNNN
Marine Weather Discussion
- Mon, 17 May 2021 15:22:40 +0000: NHC Marine Weather Discussion - NHC Marine Weather Discussion
000
AGXX40 KNHC 171522
MIMATS
Marine Weather Discussion
NWS National Hurricane Center Miami FL
1122 AM EDT Mon May 17 2021
Marine Weather Discussion for the Gulf of Mexico, Caribbean Sea,
and Tropical North Atlantic from 07N to 19N between 55W and 64W
and the Southwest North Atlantic including the Bahamas
This is the last Marine Weather Discussion issued by the National
Hurricane Center. For marine information, please see the Tropical
Weather Discussion at: hurricanes.gov.
...GULF OF MEXICO...
High pressure along the middle Atlantic coasts extending SW to
the NE Gulf will remain generally stationary throughout the
week. This will support moderate to fresh E to SE winds over the
basin through Tue. Winds will increase to fresh to strong late
Tue through Fri as low pressure deepens across the Southern
Plains.
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
A ridge NE of the Caribbean Sea will shift eastward and weaken,
diminishing winds and seas modestly through Wed. Trade winds
will increase basin wide Wed night through Fri night as high
pressure builds across the western Atlantic.
...SW N ATLANTIC INCLUDING THE BAHAMAS...
A weakening frontal boundary from 25N65W to the central Bahamas
will drift SE and dissipate through late Tue. Its remnants will
drift N along 23N-24N. The pressure gradient between high
pressure off of Hatteras and the frontal boundary will support
an area of fresh to strong easterly winds N of 23N and W of 68W
with seas to 11 ft E of the Bahamas late Tue through Fri.
$$
.WARNINGS...Any changes impacting coastal NWS offices will be
coordinated through AWIPS II Collaboration Chat, or by
telephone:
.GULF OF MEXICO...
None.
.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
None.
.SW N ATLANTIC INCLUDING THE BAHAMAS...
None.
$$
*For detailed zone descriptions, please visit:
http://www.nhc.noaa.gov/abouttafbprod.shtml#OWF
Note: gridded marine forecasts are available in the National
Digital Forecast Database (NDFD) at:
http://www.nhc.noaa.gov/marine/grids.php
For additional information, please visit:
http://www.nhc.noaa.gov/marine
$$
.Forecaster GR. National Hurricane Center.
Atlantic Tropical Monthly Summary
- Thu, 01 May 2025 13:04:51 +0000: Atlantic Monthly Tropical Weather Summary - Atlantic Monthly Tropical Weather Summary
000<br />ABNT30 KNHC 011304<br />TWSAT <br /><br />Monthly Tropical Weather Summary<br />NWS National Hurricane Center Miami FL<br />900 AM EDT Thu May 1 2025<br /><br />This is the last National Hurricane Center (NHC) Tropical Weather <br />Summary (TWS) text product that will be issued for the Atlantic <br />basin. The tropical cyclone statistics from the TWS will be found <br />on hurricanes.gov beginning with the 2025 hurricane season. This <br />change will allow for more frequent updates to the statistics and <br />the addition of graphics and links to supporting information that <br />this text only format cannot support. An account of tropical <br />cyclone names, classification (i.e., tropical depression, tropical <br />storm, or hurricane), and maximum sustained wind speed will be found <br />on hurricanes.gov at this url beginning around July 1: <br /><br />https://www.nhc.noaa.gov/data/tcr/index.php?basin=atl<br /><br />A sample webpage is provided here, with the "2023 Atlantic Summary <br />Table (PDF)" example linked below the Tropical Cyclone Reports <br />(TCRs):<br /><br />https://www.nhc.noaa.gov/data/tcr/index.php?season=2023&basin=atl <br /><br />This information will be updated no less frequently than monthly <br />during the hurricane season and will be updated after the season's <br />TCRs are completed to document the official record of the season's <br />tropical cyclone activity. Previously, the statistics and data in <br />the TWS were based on real-time operational assessments and were <br />not updated when the season's TCRs were complete. The new <br />web-based format allows the information to be updated once the <br />post-analysis for the season is complete. <br /><br />For more information, see Service Change Notice 25-22: Migration of <br />the Tropical Weather Summary Information from Text Product Format to <br />hurricanes.gov:<br /><br />https://www.weather.gov/media/notification/pdf_2025/scn25-<br />22_moving_info_from_tws_to_hurricanes.gov.pdf