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DONATE2025 Graphical Tropical Weather Outlook
2 Day Graphical Tropical Weather Outlook
7 Day Graphical Tropical Weather Outlook
Atlantic Tropical Weather Outlook
- Sat, 20 Dec 2025 18:21:20 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 201821
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1815 UTC Sat Dec 20 2025
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 1200 UTC surface analysis and satellite imagery through
1630 UTC.
...SPECIAL FEATURES...
Large Swell in the Central and Eastern Atlantic:
Large N to NE swell is generating rough to very rough seas of 12
to 14 ft in the central and eastern Atlantic from 18N to 22N
between 24W and 44W. These seas will persist through this evening
before gradually subsiding below 12 ft late tonight.
Please read the latest High Seas Forecast issued by the National
Hurricane Center at website:
https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more
information this event.
...MONSOON TROUGH/ITCZ...
A monsoon trough enters the Atlantic along the coastal border of
Sierra Leone and Liberia then runs southwestward to near 07N16W.
An ITCZ continues from 07N16W to 05N30W to 02N45W. Scattered
moderate convection is seen near the ITCZ from 01N to 07N between
33W and 22W and south of the monsoon trough from 01N to 06N west
of 15W.
...GULF OF AMERICA...
A weak stationary front extends westward across the Florida
Straits to north of the Yucatan Channel. Patchy showers are seen
up to 30 nm along either side of the front. A surface trough over
the western central Bay of Campeche is generated widely scattered
at the central Bay of Campeche. Otherwise, a broad surface ridge
is supporting mostly gentle ENE to SSE winds with 2 to 4 ft seas
for the entire Gulf.
For the forecast, moderate or weaker winds and slight seas will
prevail over much of the Gulf this weekend. Locally fresh E to NE
winds are expected in the eastern Bay of Campeche and over the
Campeche Bank each afternoon and night Sun into next week, as a
trough develops over the Yucatan Peninsula and propagates
westward. Looking ahead, fresh E winds and moderate seas will
develop over the central and eastern Gulf on Mon as a cold front
moves off the coast of the southeastern United States and
progresses over the northwestern tropical Atlantic. Strong E winds
and rough seas may develop through the Florida Straits Mon into
early Tue.
...CARIBBEAN SEA...
Two surface troughs are triggering widely scattered showers and
isolated thunderstorms at the Gulf of Honduras and far
southwestern basin. Fresh to strong ENE trades and seas of 8 to 10
ft are evident at the south-central and part of the southwestern
basin. Moderate to fresh easterly trades and 5 to 7 ft seas are
dominate the north-central basin. Gentle to moderate ENE to E
trades with seas at 3 to 6 ft prevail elsewhere in the Caribbean
Sea.
For the forecast, strong to near-gale force NE winds and rough
seas will occur offshore of northern Colombia through at least the
middle of next week as low pressure anchors over northern
Colombia. Moderate to occasionally fresh trade winds and moderate
seas will prevail over much of the Caribbean through this weekend.
In the Atlantic waters, rough seas in E swell will continue this
weekend before diminishing early next week. Elsewhere, fresh to
occasionally strong NE winds will pulse through the Windward
Passage, south of Hispaniola and in the lee of Cuba each night and
morning through next week. Looking ahead, widespread fresh to
locally strong NE winds will develop over the central and western
Caribbean early next week as a cold front stalls over the
northwestern tropical Atlantic.
...ATLANTIC OCEAN...
A cold front curves southwestward from the northwestern Atlantic
across 31N66W to the northwest Bahamas. Widely scattered showers
are occurring near and up to 100 nm southeast of the front. A
surface trough curves southwestward from 32N53W through a 1016 mb
low pressure centered near 29N56W to 25N60W. Patchy showers are
present up to 80 nm along either side of these features. A surface
trough is causing scattered showers north of French Guiana and
Suriname from 07N to 11N between 47W and 57W. A cold front curves
northwestward from northwestern Africa to near 27N31W. Scattered
showers are present up to 80 nm along either side of the front.
Refer to the Monsoon Trough/ITCZ section for additional convection
in the Atlantic Basin.
Gentle to moderate NNE to E to SW winds and seas of 5 to 8 ft in
moderate to large northeasterly swell dominate north of 20N and
west of 55W. Farther east north of 20N between 55W and 35W outside
the area mentioned in the Special Features section, moderate to
fresh with locally strong E to SSE winds and 8 to 11 ft seas are
noted. For the tropical Atlantic from 05N to 20N between 35W and
the Lesser Antilles, moderate to fresh NE to E winds and seas at 7
to 10 ft are found. For the remainder of the Atlantic Basin west
of 35W, gentle to moderate with locally fresh SE to S winds and 6
to 8 ft seas prevail.
For the forecast W of 55W, moderate to occasionally fresh trade
winds will prevail south of 22N this weekend. Widespread strong to
locally near-gale force NE winds and rough seas are expected over
the northwest tropical Atlantic by early Mon, as a strong cold
front moves off the coast of the southeastern United States. The
front will rapidly progress eastward through midweek, supporting
expanding strong winds and rough seas into the central Atlantic.
Very rough seas in excess of 12 ft will be possible east of 70W
Tue through midweek. Looking ahead, strong winds and rough seas
may develop in the central waters east of 75W by the middle of
next week as another cold front moves through the region.
$$
Chan
Tropical Weather Discussion
- Sat, 20 Dec 2025 18:21:20 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 201821
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1815 UTC Sat Dec 20 2025
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 1200 UTC surface analysis and satellite imagery through
1630 UTC.
...SPECIAL FEATURES...
Large Swell in the Central and Eastern Atlantic:
Large N to NE swell is generating rough to very rough seas of 12
to 14 ft in the central and eastern Atlantic from 18N to 22N
between 24W and 44W. These seas will persist through this evening
before gradually subsiding below 12 ft late tonight.
Please read the latest High Seas Forecast issued by the National
Hurricane Center at website:
https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more
information this event.
...MONSOON TROUGH/ITCZ...
A monsoon trough enters the Atlantic along the coastal border of
Sierra Leone and Liberia then runs southwestward to near 07N16W.
An ITCZ continues from 07N16W to 05N30W to 02N45W. Scattered
moderate convection is seen near the ITCZ from 01N to 07N between
33W and 22W and south of the monsoon trough from 01N to 06N west
of 15W.
...GULF OF AMERICA...
A weak stationary front extends westward across the Florida
Straits to north of the Yucatan Channel. Patchy showers are seen
up to 30 nm along either side of the front. A surface trough over
the western central Bay of Campeche is generated widely scattered
at the central Bay of Campeche. Otherwise, a broad surface ridge
is supporting mostly gentle ENE to SSE winds with 2 to 4 ft seas
for the entire Gulf.
For the forecast, moderate or weaker winds and slight seas will
prevail over much of the Gulf this weekend. Locally fresh E to NE
winds are expected in the eastern Bay of Campeche and over the
Campeche Bank each afternoon and night Sun into next week, as a
trough develops over the Yucatan Peninsula and propagates
westward. Looking ahead, fresh E winds and moderate seas will
develop over the central and eastern Gulf on Mon as a cold front
moves off the coast of the southeastern United States and
progresses over the northwestern tropical Atlantic. Strong E winds
and rough seas may develop through the Florida Straits Mon into
early Tue.
...CARIBBEAN SEA...
Two surface troughs are triggering widely scattered showers and
isolated thunderstorms at the Gulf of Honduras and far
southwestern basin. Fresh to strong ENE trades and seas of 8 to 10
ft are evident at the south-central and part of the southwestern
basin. Moderate to fresh easterly trades and 5 to 7 ft seas are
dominate the north-central basin. Gentle to moderate ENE to E
trades with seas at 3 to 6 ft prevail elsewhere in the Caribbean
Sea.
For the forecast, strong to near-gale force NE winds and rough
seas will occur offshore of northern Colombia through at least the
middle of next week as low pressure anchors over northern
Colombia. Moderate to occasionally fresh trade winds and moderate
seas will prevail over much of the Caribbean through this weekend.
In the Atlantic waters, rough seas in E swell will continue this
weekend before diminishing early next week. Elsewhere, fresh to
occasionally strong NE winds will pulse through the Windward
Passage, south of Hispaniola and in the lee of Cuba each night and
morning through next week. Looking ahead, widespread fresh to
locally strong NE winds will develop over the central and western
Caribbean early next week as a cold front stalls over the
northwestern tropical Atlantic.
...ATLANTIC OCEAN...
A cold front curves southwestward from the northwestern Atlantic
across 31N66W to the northwest Bahamas. Widely scattered showers
are occurring near and up to 100 nm southeast of the front. A
surface trough curves southwestward from 32N53W through a 1016 mb
low pressure centered near 29N56W to 25N60W. Patchy showers are
present up to 80 nm along either side of these features. A surface
trough is causing scattered showers north of French Guiana and
Suriname from 07N to 11N between 47W and 57W. A cold front curves
northwestward from northwestern Africa to near 27N31W. Scattered
showers are present up to 80 nm along either side of the front.
Refer to the Monsoon Trough/ITCZ section for additional convection
in the Atlantic Basin.
Gentle to moderate NNE to E to SW winds and seas of 5 to 8 ft in
moderate to large northeasterly swell dominate north of 20N and
west of 55W. Farther east north of 20N between 55W and 35W outside
the area mentioned in the Special Features section, moderate to
fresh with locally strong E to SSE winds and 8 to 11 ft seas are
noted. For the tropical Atlantic from 05N to 20N between 35W and
the Lesser Antilles, moderate to fresh NE to E winds and seas at 7
to 10 ft are found. For the remainder of the Atlantic Basin west
of 35W, gentle to moderate with locally fresh SE to S winds and 6
to 8 ft seas prevail.
For the forecast W of 55W, moderate to occasionally fresh trade
winds will prevail south of 22N this weekend. Widespread strong to
locally near-gale force NE winds and rough seas are expected over
the northwest tropical Atlantic by early Mon, as a strong cold
front moves off the coast of the southeastern United States. The
front will rapidly progress eastward through midweek, supporting
expanding strong winds and rough seas into the central Atlantic.
Very rough seas in excess of 12 ft will be possible east of 70W
Tue through midweek. Looking ahead, strong winds and rough seas
may develop in the central waters east of 75W by the middle of
next week as another cold front moves through the region.
$$
Chan
Active Tropical Systems
- Sat, 20 Dec 2025 18:41:24 +0000: The Atlantic hurricane season runs from June 1st through November 30th. - NHC Atlantic
The Atlantic hurricane season runs from June 1st through November 30th.
Scheduled Reconnaissance Flight Plans
- Sat, 20 Dec 2025 15:36:08 +0000: Weather Reconnaissance Flights Plan of the Day - Weather Reconnaissance Flights Plan of the Day
000
NOUS42 KNHC 201536
REPRPD
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
1035 AM EST SAT 20 DECEMBER 2025
SUBJECT: WINTER SEASON PLAN OF THE DAY (WSPOD)
VALID 21/1100Z TO 22/1100Z DECEMBER 2025
WSPOD NUMBER.....25-020
I. ATLANTIC 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