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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 23:57:16 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 202357
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0015 UTC Sun Dec 21 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 1800 UTC surface analysis and satellite imagery through
2345 UTC.
...SPECIAL FEATURES...
Significant Swell Event in the Central and Eastern Atlantic:
Large north to northeast 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 early
tonight 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...
The monsoon trough axis enters the Atlantic along the coastal
border of Sierra Leone and Liberia and extends southwestward to
near 07N17W, where it transitions to the ITCZ to 05N21W to 05N30W
to 04N40W and to near 02N48W. Scattered moderate to isolated
strong convection is within 60 nm north of the ITCZ between
26W-30W. Scattered moderate convection is within 60 nm of the
ITCZ between 32W-38W and within 60 nm north of the ITCZ between
18W-24W.
...GULF OF AMERICA...
A weakening stationary front extends from the Straits of Florida
westward to near 24N85W. Isolated showers are possible near the
front. Otherwise, a broad surface ridge is supporting mostly
gentle winds along 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 east 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...
A surface trough is analyzed along the coast of Nicaragua
extending southward to southern Costa Rica. Isolated showers
and thunderstorms are near the trough from 13N to 16N. Similar
activity is over the eastern portions of Honduras and Nicaragua.
Fresh to strong trade winds and seas of 8 to 10 ft are evident in
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 trade winds and seas of 4 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 remains over northern Colombia.
Moderate to occasionally fresh trade winds and moderate seas will
prevail over much of the Caribbean this weekend. Over the Atlantic
waters, rough seas in east well will continue this weekend before
diminishing on Mon. 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 Sun through next week.
Looking ahead, widespread fresh to locally strong northeast 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 is analyzed from near 31N64W to 27N71W, where it
becomes a stationary front to the Straits of Florida. Isolated
weak showers are possible within 180 nm southeast of the front.
To its east, a trough extends from near 31N54W southwestward to
weak low pressure near 29N55W 1017 mb. A trough extends from
the low to near 25N60W. Isolated showers are possible mainly
north of 29N between 50W and 55W, and also north of 25N between
43W and 50W. A dissipating frontal boundary extends from
northwestern Africa to 24N20W and northwestward to near 31N36W.
Areas of light to moderate rain, with embedded isolated showers
are noted from 20N to 25N between 22W and 34W.
Please refer to the Monsoon Trough/ITCZ section for additional
convection in the Atlantic Basin.
Gentle to moderate mostly northeast to east and to southeast
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
east to southeast 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 northeast to east winds and seas at
7 to 10 ft are present. For the remainder of the Atlantic Basin
west of 35W, gentle to moderate with locally fresh southeast to
south winds and 6 to 8 ft seas continue.
For the forecast W of 55W, rough seas in northeast swell in the
central Atlantic, east of 65W, will slowly subside through this
evening. Elsewhere, 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 to near- gale force winds and rough seas into
the central basin. Very rough seas in excess of 12 ft will be
possible east of 75W Tue through midweek. Looking ahead, strong
winds and rough seas may be reinforced in the central waters east
of 75W by the middle of the upcoming week as a new cold front
moves through the region.
$$
Aguirre
Tropical Weather Discussion
- Sat, 20 Dec 2025 23:57:16 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 202357
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0015 UTC Sun Dec 21 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 1800 UTC surface analysis and satellite imagery through
2345 UTC.
...SPECIAL FEATURES...
Significant Swell Event in the Central and Eastern Atlantic:
Large north to northeast 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 early
tonight 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...
The monsoon trough axis enters the Atlantic along the coastal
border of Sierra Leone and Liberia and extends southwestward to
near 07N17W, where it transitions to the ITCZ to 05N21W to 05N30W
to 04N40W and to near 02N48W. Scattered moderate to isolated
strong convection is within 60 nm north of the ITCZ between
26W-30W. Scattered moderate convection is within 60 nm of the
ITCZ between 32W-38W and within 60 nm north of the ITCZ between
18W-24W.
...GULF OF AMERICA...
A weakening stationary front extends from the Straits of Florida
westward to near 24N85W. Isolated showers are possible near the
front. Otherwise, a broad surface ridge is supporting mostly
gentle winds along 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 east 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...
A surface trough is analyzed along the coast of Nicaragua
extending southward to southern Costa Rica. Isolated showers
and thunderstorms are near the trough from 13N to 16N. Similar
activity is over the eastern portions of Honduras and Nicaragua.
Fresh to strong trade winds and seas of 8 to 10 ft are evident in
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 trade winds and seas of 4 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 remains over northern Colombia.
Moderate to occasionally fresh trade winds and moderate seas will
prevail over much of the Caribbean this weekend. Over the Atlantic
waters, rough seas in east well will continue this weekend before
diminishing on Mon. 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 Sun through next week.
Looking ahead, widespread fresh to locally strong northeast 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 is analyzed from near 31N64W to 27N71W, where it
becomes a stationary front to the Straits of Florida. Isolated
weak showers are possible within 180 nm southeast of the front.
To its east, a trough extends from near 31N54W southwestward to
weak low pressure near 29N55W 1017 mb. A trough extends from
the low to near 25N60W. Isolated showers are possible mainly
north of 29N between 50W and 55W, and also north of 25N between
43W and 50W. A dissipating frontal boundary extends from
northwestern Africa to 24N20W and northwestward to near 31N36W.
Areas of light to moderate rain, with embedded isolated showers
are noted from 20N to 25N between 22W and 34W.
Please refer to the Monsoon Trough/ITCZ section for additional
convection in the Atlantic Basin.
Gentle to moderate mostly northeast to east and to southeast
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
east to southeast 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 northeast to east winds and seas at
7 to 10 ft are present. For the remainder of the Atlantic Basin
west of 35W, gentle to moderate with locally fresh southeast to
south winds and 6 to 8 ft seas continue.
For the forecast W of 55W, rough seas in northeast swell in the
central Atlantic, east of 65W, will slowly subside through this
evening. Elsewhere, 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 to near- gale force winds and rough seas into
the central basin. Very rough seas in excess of 12 ft will be
possible east of 75W Tue through midweek. Looking ahead, strong
winds and rough seas may be reinforced in the central waters east
of 75W by the middle of the upcoming week as a new cold front
moves through the region.
$$
Aguirre
Active Tropical Systems
- Sun, 21 Dec 2025 03:32:43 +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