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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, 18 Sep 2026 09:08:41 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 180908
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Fri Sep 18 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 0600 UTC surface analysis and satellite imagery through
0810 UTC.
...TROPICAL WAVES...
A central Atlantic tropical wave has its axis along 37W from 02N
to 17N, moving westward around 10 kt. Scattered moderate isolated
strong convection is from 06N to 175N between 29W and 42W.
A central Caribbean tropical wave has its axis along 73W from
portions of Haiti southward to near the border of Colombia and
Venezuela, moving westward at around 10 kt. Scattered moderate
convection is noted from 16N to 19N between 69W and 77W.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 18N16W and continues
southwestward to 10N39W, where it transitions to the ITCZ to
the border of French Guiana and Suriname at 06N54W. Aside from
convection associated to the tropical waves as described above,
scattered moderate isolated strong is evident south of the monsoon
trough to 04N between 18W and 29W.
...GULF OF AMERICA...
A frontal trough continues to be analyzed from the NW Bahamas
southwestward to across the Florida Keys and into the SE Gulf to
the north of the Yucatan Peninsula. Scattered moderate convection
is noted from 19N to 25N to the east of 90W. Moderate to fresh
easterly winds are across the Gulf waters north of 24.5N, along
with 4-7 ft seas. Gentle to moderate easterly winds are south of
24.5N, along with 2-4 ft seas. A weak diurnal surface trough is
noted west of the Yucatan Peninsula with another trough offshore
SE Texas and NE Mexico, supporting scattered showers and
thunderstorms within 90 nm of Veracruz, Mexico.
For the forecast, the pressure gradient between high pressure
over the southeastern U.S. and a weakening frontal trough over the
SE Gulf supports fresh NE to E winds and moderate seas over the
northern Gulf. These conditions will gradually improve later today
into Sat. Meanwhile, a rather broad upper-level low will move
towards Florida from the western Atlantic today, and into the NE
Gulf on Sat. This feature will lead to increasing shower and
thunderstorm activity over Florida, and then over the eastern and
central Gulf waters. Fairly tranquil marine conditions are
forecast by the end of the weekend into early next week.
...CARIBBEAN SEA...
Please refer to the tropical wave section for details on a wave in
the central Caribbean including associated convection.
The pressure gradient between weakening high pressure over the
western Atlantic and relatively lower pressure in northern South
America is allowing for fresh to strong trades over the central
Caribbean from 11N to 18N between 64W and 76W, where seas are 6-9
ft. Moderate to fresh trades are found elsewhere from 10N to 19N
to the east of 80W, along with 4-7 ft seas. Gentle to moderate
winds and 2-5 ft seas prevail across the remainder of the basin.
Upper-level divergence east of an upper-level low that is over the
northern Yucatan Peninsula is supporting scattered showers and
isolated thunderstorms over the northwestern Caribbean. An upper-
level disturbance riding along a jet stream branch is keeping
active weather in the form of numerous moderate convection over
the waters from 16N to 20N west of 76W.
For the forecast, the pressure gradient between high pressure
over the western Atlantic and the Colombian Low will generally
maintain fresh to strong trades along with moderate to locally
rough seas over most of the central Caribbean through Sat. Winds
will diminish to moderate to fresh speeds thereafter as the
pressure gradient relaxes across the area. Moderate or weaker
winds and slight to moderate seas are forecast elsewhere.
...ATLANTIC OCEAN...
A stationary front extends from near 31N72W southwestward to
across the NW Bahamas and to the Florida Keys. Moderate to locally
fresh northeast winds and 4-6 ft seas are north of of the front.
Scattered moderate convection is seen north of about 23N and east
of the front to around 68W. Well to the east, fresh to strong N-NE
winds and 6-9 ft seas are found from 17N to 22N between Africa
and 21W due to a tight pressure gradient, with moderate to fresh
N-NE winds and 6-9 ft seas elsewhere from 16N to 31N to the east
of 28W. Moderate or weaker winds and moderate seas dominate the
remainder of the tropical Atlantic waters.
Other than the convection described above with the tropical wave
in the central Atlantic and the monsoon trough, scattered moderate
isolated strong is found from 22N to 26N between 29W and 42W, and
from 25N to 31N between 41W and 54W where a couple of surface
troughs are present.
For the forecast west of 55W, a stationary front that extends
from near Bermuda to the NW Bahamas will gradually wash out today.
Conditions will improve early on Fri as high pressure becomes the
dominant feature across the basin into the weekend into early
next week. Meanwhile, abundant tropical moisture, combined with an
upper- level low located east of Florida, will continue to
support scattered to numerous showers and thunderstorms, mainly W
of 70W, through at least Sun.
$$
Lewitsky
Tropical Weather Discussion
- Fri, 18 Sep 2026 09:08:41 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 180908
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Fri Sep 18 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 0600 UTC surface analysis and satellite imagery through
0810 UTC.
...TROPICAL WAVES...
A central Atlantic tropical wave has its axis along 37W from 02N
to 17N, moving westward around 10 kt. Scattered moderate isolated
strong convection is from 06N to 175N between 29W and 42W.
A central Caribbean tropical wave has its axis along 73W from
portions of Haiti southward to near the border of Colombia and
Venezuela, moving westward at around 10 kt. Scattered moderate
convection is noted from 16N to 19N between 69W and 77W.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 18N16W and continues
southwestward to 10N39W, where it transitions to the ITCZ to
the border of French Guiana and Suriname at 06N54W. Aside from
convection associated to the tropical waves as described above,
scattered moderate isolated strong is evident south of the monsoon
trough to 04N between 18W and 29W.
...GULF OF AMERICA...
A frontal trough continues to be analyzed from the NW Bahamas
southwestward to across the Florida Keys and into the SE Gulf to
the north of the Yucatan Peninsula. Scattered moderate convection
is noted from 19N to 25N to the east of 90W. Moderate to fresh
easterly winds are across the Gulf waters north of 24.5N, along
with 4-7 ft seas. Gentle to moderate easterly winds are south of
24.5N, along with 2-4 ft seas. A weak diurnal surface trough is
noted west of the Yucatan Peninsula with another trough offshore
SE Texas and NE Mexico, supporting scattered showers and
thunderstorms within 90 nm of Veracruz, Mexico.
For the forecast, the pressure gradient between high pressure
over the southeastern U.S. and a weakening frontal trough over the
SE Gulf supports fresh NE to E winds and moderate seas over the
northern Gulf. These conditions will gradually improve later today
into Sat. Meanwhile, a rather broad upper-level low will move
towards Florida from the western Atlantic today, and into the NE
Gulf on Sat. This feature will lead to increasing shower and
thunderstorm activity over Florida, and then over the eastern and
central Gulf waters. Fairly tranquil marine conditions are
forecast by the end of the weekend into early next week.
...CARIBBEAN SEA...
Please refer to the tropical wave section for details on a wave in
the central Caribbean including associated convection.
The pressure gradient between weakening high pressure over the
western Atlantic and relatively lower pressure in northern South
America is allowing for fresh to strong trades over the central
Caribbean from 11N to 18N between 64W and 76W, where seas are 6-9
ft. Moderate to fresh trades are found elsewhere from 10N to 19N
to the east of 80W, along with 4-7 ft seas. Gentle to moderate
winds and 2-5 ft seas prevail across the remainder of the basin.
Upper-level divergence east of an upper-level low that is over the
northern Yucatan Peninsula is supporting scattered showers and
isolated thunderstorms over the northwestern Caribbean. An upper-
level disturbance riding along a jet stream branch is keeping
active weather in the form of numerous moderate convection over
the waters from 16N to 20N west of 76W.
For the forecast, the pressure gradient between high pressure
over the western Atlantic and the Colombian Low will generally
maintain fresh to strong trades along with moderate to locally
rough seas over most of the central Caribbean through Sat. Winds
will diminish to moderate to fresh speeds thereafter as the
pressure gradient relaxes across the area. Moderate or weaker
winds and slight to moderate seas are forecast elsewhere.
...ATLANTIC OCEAN...
A stationary front extends from near 31N72W southwestward to
across the NW Bahamas and to the Florida Keys. Moderate to locally
fresh northeast winds and 4-6 ft seas are north of of the front.
Scattered moderate convection is seen north of about 23N and east
of the front to around 68W. Well to the east, fresh to strong N-NE
winds and 6-9 ft seas are found from 17N to 22N between Africa
and 21W due to a tight pressure gradient, with moderate to fresh
N-NE winds and 6-9 ft seas elsewhere from 16N to 31N to the east
of 28W. Moderate or weaker winds and moderate seas dominate the
remainder of the tropical Atlantic waters.
Other than the convection described above with the tropical wave
in the central Atlantic and the monsoon trough, scattered moderate
isolated strong is found from 22N to 26N between 29W and 42W, and
from 25N to 31N between 41W and 54W where a couple of surface
troughs are present.
For the forecast west of 55W, a stationary front that extends
from near Bermuda to the NW Bahamas will gradually wash out today.
Conditions will improve early on Fri as high pressure becomes the
dominant feature across the basin into the weekend into early
next week. Meanwhile, abundant tropical moisture, combined with an
upper- level low located east of Florida, will continue to
support scattered to numerous showers and thunderstorms, mainly W
of 70W, through at least Sun.
$$
Lewitsky
Active Tropical Systems
- Sun, 20 Sep 2026 02:28:39 +0000: There are no tropical cyclones at this time. - NHC Atlantic
No tropical cyclones as of Fri, 18 Sep 2026 15:40:05 GMT - Fri, 18 Sep 2026 14:28:39 +0000: Atlantic Tropical Weather Outlook - NHC Atlantic
000
ABNT20 KNHC 181428
TWOAT
Special Tropical Weather Outlook
NWS National Hurricane Center Miami FL
Issued by the NWS Weather Prediction Center College Park MD
1030 AM EDT Fri Sep 18 2026
For the North Atlantic...Caribbean Sea and the Gulf of America:
Special outlook to update information on the area of low pressure
located southwest of the Azores (AL99) and to remove AL98 from the
outlook.
Eastern Subtropical Atlantic (AL99):
Recent satellite imagery indicates that showers and thunderstorms
are becoming better organized in association with an area of low
pressure located several hundred miles southwest of the Azores. In
addition, it appears that a well-defined center is developing. If
these current trends continue, a tropical depression could form as
soon as later this afternoon. The system is expected to move slowly
over the next several days remaining to the southwest of the Azores.
* Formation chance through 48 hours...medium...60 percent.
* Formation chance through 7 days...medium...60 percent.
$$
Forecaster Papin/Snell/Blake/Mahoney
Scheduled Reconnaissance Flight Plans
- Fri, 18 Sep 2026 14:42:20 +0000: Weather Reconnaissance Flights Plan of the Day - Weather Reconnaissance Flights Plan of the Day
000
NOUS42 KNHC 181442
REPRPD
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
1045 AM EDT FRI 18 SEPTEMBER 2026
SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)
VALID 19/1100Z TO 20/1100Z SEPTEMBER 2026
TCPOD NUMBER.....26-110
I. ATLANTIC REQUIREMENTS
1. NEGATIVE RECONNAISSANCE REQUIREMENTS.
2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE.
II. PACIFIC REQUIREMENTS
1. NEGATIVE RECONNAISSANCE REQUIREMENTS.
2. OUTLOOK FOR SUCCEEDING DAY: POSSIBLE MISSION INTO SUSPECT AREA
EP99 SOUTH OF SOUTHWESTERN MEXICO NEAR 15.8N 106.8W FOR
20/1800Z.
$$
KAL
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