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Atlantic Tropical Weather Discussion


844 
AXNT20 KNHC 241939
TWDAT 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0015 UTC Tue Nov 25 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 
1900 UTC.

...MONSOON TROUGH/ITCZ...

The monsoon trough enters the Atlantic near 12.5N16.5W and 
continues southwestward to 11N18.5W. The ITCZ extends from
11N18.5W to 09N127W to 10.5N35W and to 09N48.5W to 10.5N56W. 
Scattered moderate convection is occurring east of 30W from 09N 
and 28N. Similar convection is noted from 07N to 12.5N between 49W
and 61W.

...GULF OF AMERICA...

A weak stationary front extends from just north of Tampa Bay,
Florida to near the SE tip of Louisiana. No significant convection
is noted over the basin on conventional visible and infrared 
satellite imagery. Moderate to fresh SE-S winds are noted north of
23N and west of 95W due to a locally tight pressure gradient in
the area. Gentle to moderate SE-S winds dominate the remainder of
the basin, except light to gentle in the NE Gulf. Seas are 4-7 ft
near the moderate to fresh winds, 1-2 ft in the NE Gulf, and 2-4
ft across the remainder of the waters.

For the forecast, a stationary front extending across the 
northern Gulf will lift northward by tonight as low pressure 
develops over the Southern Plains. Expect fresh southerly flow off
the Texas coast through tonight supported by the gradient between
low pressure over northeast Mexico and high pressure off the 
Carolinas. These winds will diminish Tue ahead of a frontal 
boundary that will be nearing the Texas coast. A stronger 
reinforcing cold front will overtake the frontal boundary early 
Wed, then move into the NW Gulf. The cold front will then sweep to
the southeast of the basin by Thu night into Fri, followed by 
fresh to strong northeast winds and building seas into the 
weekend. Scattered showers and thunderstorms may accompany the 
frontal boundary.

...CARIBBEAN SEA...

Divergence aloft continues to support widely scattered showers 
and isolated thunderstorms in the Gulf of Honduras and off Costa 
Rica, Panama, and NW Colombia. Fresh to strong NE winds prevail 
in the central Caribbean, strongest offshore northern Colombia. 
Seas in these waters are 6-9 ft, as confirmed by an earlier 
altimeter pass. Moderate to locally fresh NE to E winds and mainly
moderate seas are noted elsewhere.

For the forecast, the pressure gradient between a ridge north of 
the islands and lower pressures in NW Colombia will sustain fresh 
to strong trade winds and rough seas in the central Caribbean 
through late this week. The strongest winds of 25 to 30 kt, and 
highest seas of 9 to 11 ft are expected offshore Colombia mainly 
at night. In the remainder of the basin, the weather pattern will 
support moderate to fresh winds along with moderate seas through 
the period. Looking ahead, a cold front will enter the NW 
Caribbean on Fri, followed by strong winds and rough seas. 

...ATLANTIC OCEAN...

A weak cold front extends from near Bermuda to the near Cape 
Canaveral, Florida. No significant convection is noted near the
front. Seas of 4-6 ft in mainly NW swell are noted north of the
front. Gentle to moderate winds dominate the remainder of the
waters north of 19N and west of 50W, along with 3-4 ft seas.
Farther east, a weak 1016 mb low pressure is near 29.5N48W. A 
surface trough extends from this low to 21N47W. Scattered moderate
convection is present north of 21N between 43W and the trough
axis. Moderate to fresh SE-S winds are found north of 26N and east
of the trough to around 40W.

The rest of the tropical Atlantic is dominated by a 1028 mb high 
pressure system near the Azores. Moderate to locally fresh 
easterly winds and moderate seas are occurring north of 15N and 
between 30W and 46W. Moderate to fresh easterly winds and rough 
seas are found north of 26N between 20W and 35W. Farthest southeast,
fresh to strong NE-E winds and rough seas are found from 10N to 
20N and east of 28W. Elsewhere, moderate or lighter winds and 
moderate seas prevail.
 
For the forecast west of 55W, the eastern portion of the cold 
front will continue eastward and reach from 31N52W to 27N63W by 
Tue morning, while the portion west of 70W starts to lift north. 
High pressure located off the Carolinas will shift eastward 
following the front, supporting moderate to fresh northeast to 
east winds and moderate seas over the region. Looking ahead, winds
and seas will diminish west of 70W by Wed, ahead of a stronger 
cold front expected to move off the northeast Florida coast Wed 
night. The front will reach from Bermuda to the Straits of Florida
by early Fri, followed by fresh to strong NW winds and building 
seas through Fri night. Looking ahead, a tightened pressure 
gradient in the wake of the front is forecast to bring increasing 
winds and building seas across much of the forecast area during 
the upcoming weekend.

$$
Lewitsky