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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
- Wed, 18 Mar 2026 10:29:07 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 181028
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Wed Mar 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
1020 UTC.
...SPECIAL FEATURES...
East Atlantic Long-period N Swell: Large, long-period north swell
generated by a large fetch of gale to storm-force winds in the
northeast Atlantic will continue to propagate southward of 31N
through the weekend. Expect seas of 12 and 21 ft through Sat
mainly N of the Cape Verde Islands and east of 43W. Seas across
these northeastern waters will gradually reduce in areal coverage
and subside below 12 ft near the Canary Islands on Mon.
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.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 12N17W, then curves
southwestward to 03N21W. The ITCZ continues from 03N21W to
00N32W to 02S45W. Scattered moderate convection is from 05S to 04N
west of 15W.
...GULF OF AMERICA...
A surface ridge anchored by a 1026 mb high pressure over SW Louisiana
coastal waters extends basin-wide and supports gentle to moderate
NE winds across the NE and SW Gulf. A tighter gradient of pressure
in the SE Gulf due to the proximity of a frontal boundary over the
NW Caribbean is generating fresh to strong NE winds and rough seas
to 9 ft across the Florida Straits and Yucatan Channel adjacent
waters. Light to gentle winds and slight to moderate seas are
elsewhere.
For the forecast, northeast fresh to strong winds and rough to
very rough seas over the SE Gulf associated with the passage of a
cold front will diminish later this morning. In the wake of the
front, high pressure will build across the region and prevail into
the weekend.
...CARIBBEAN SEA...
A stationary front extends across the far NW Caribbean from
22N80W to the Gulf of Honduras. Both the front and a pre-frontal
trough continue to support scattered showers over the NW basin.
Across the central basin, fresh to strong winds and seas of 8 to
9 ft prevail, with fresh winds and moderate seas farther east.
For the forecast, a broad surface ridge extending southwestward
from the north Atlantic to east of the Bahamas and the NE
Caribbean will continue to support fresh trade winds and rough
seas across the waters near the Lesser Antilles, and the eastern
and central Caribbean, including the Atlantic exposures and
Passages through today. The stationary front over the far NW
Caribbean will continue to weaken before dissipating by tonight.
This should decrease the influence from the ridge and allow winds
and seas across the central and eastern Caribbean to gradually
diminish through the weekend.
...ATLANTIC OCEAN...
A cold front extends from 31N69W to 27N74W and then stalls to
Andros Island and western Cuba. Heavy showers associated with the
front continue to affect the Bahamas, the Great Bahama Bank and
the Florida Straits and SE Florida Seaboard. Moderate to fresh
winds are ahead and behind this front. Over the far eastern
subtropical Atlantic, the tail of a front tightens the pressure
gradient and support a broad area of strong to near gale force N
to NW winds and rough to very rough seas to 21 ft.
For the forecast west of 55W, by this afternoon, the front will
completely stall from near Bermuda to the central Bahamas. A weak
low pressure is forecast to develop along the stationary front,
tightening the pressure gradient and supporting fresh to strong
winds with rough to very rough seas affecting the offshore waters
N of 25N through the weekend as this system then transitions to a
cold front and moves east of the area.
$$
Ramos
Tropical Weather Discussion
- Wed, 18 Mar 2026 10:29:07 +0000: NHC Atlantic Tropical Weather Discussion - NHC Tropical Weather Discussion (Atlantic)
000
AXNT20 KNHC 181028
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Wed Mar 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
1020 UTC.
...SPECIAL FEATURES...
East Atlantic Long-period N Swell: Large, long-period north swell
generated by a large fetch of gale to storm-force winds in the
northeast Atlantic will continue to propagate southward of 31N
through the weekend. Expect seas of 12 and 21 ft through Sat
mainly N of the Cape Verde Islands and east of 43W. Seas across
these northeastern waters will gradually reduce in areal coverage
and subside below 12 ft near the Canary Islands on Mon.
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.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 12N17W, then curves
southwestward to 03N21W. The ITCZ continues from 03N21W to
00N32W to 02S45W. Scattered moderate convection is from 05S to 04N
west of 15W.
...GULF OF AMERICA...
A surface ridge anchored by a 1026 mb high pressure over SW Louisiana
coastal waters extends basin-wide and supports gentle to moderate
NE winds across the NE and SW Gulf. A tighter gradient of pressure
in the SE Gulf due to the proximity of a frontal boundary over the
NW Caribbean is generating fresh to strong NE winds and rough seas
to 9 ft across the Florida Straits and Yucatan Channel adjacent
waters. Light to gentle winds and slight to moderate seas are
elsewhere.
For the forecast, northeast fresh to strong winds and rough to
very rough seas over the SE Gulf associated with the passage of a
cold front will diminish later this morning. In the wake of the
front, high pressure will build across the region and prevail into
the weekend.
...CARIBBEAN SEA...
A stationary front extends across the far NW Caribbean from
22N80W to the Gulf of Honduras. Both the front and a pre-frontal
trough continue to support scattered showers over the NW basin.
Across the central basin, fresh to strong winds and seas of 8 to
9 ft prevail, with fresh winds and moderate seas farther east.
For the forecast, a broad surface ridge extending southwestward
from the north Atlantic to east of the Bahamas and the NE
Caribbean will continue to support fresh trade winds and rough
seas across the waters near the Lesser Antilles, and the eastern
and central Caribbean, including the Atlantic exposures and
Passages through today. The stationary front over the far NW
Caribbean will continue to weaken before dissipating by tonight.
This should decrease the influence from the ridge and allow winds
and seas across the central and eastern Caribbean to gradually
diminish through the weekend.
...ATLANTIC OCEAN...
A cold front extends from 31N69W to 27N74W and then stalls to
Andros Island and western Cuba. Heavy showers associated with the
front continue to affect the Bahamas, the Great Bahama Bank and
the Florida Straits and SE Florida Seaboard. Moderate to fresh
winds are ahead and behind this front. Over the far eastern
subtropical Atlantic, the tail of a front tightens the pressure
gradient and support a broad area of strong to near gale force N
to NW winds and rough to very rough seas to 21 ft.
For the forecast west of 55W, by this afternoon, the front will
completely stall from near Bermuda to the central Bahamas. A weak
low pressure is forecast to develop along the stationary front,
tightening the pressure gradient and supporting fresh to strong
winds with rough to very rough seas affecting the offshore waters
N of 25N through the weekend as this system then transitions to a
cold front and moves east of the area.
$$
Ramos
Active Tropical Systems
- Wed, 18 Mar 2026 13:30:10 +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
- Tue, 17 Mar 2026 14:10:36 +0000: Weather Reconnaissance Flights Plan of the Day - Weather Reconnaissance Flights Plan of the Day
000
NOUS42 KNHC 171410
REPRPD
WEATHER RECONNAISSANCE FLIGHTS
CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.
1010 AM EDT TUE 17 MARCH 2026
SUBJECT: WINTER SEASON PLAN OF THE DAY (WSPOD)
VALID 18/1100Z TO 19/1100Z MARCH 2026
WSPOD NUMBER.....25-107
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