000
AGXX40 KNHC 220728
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
328 AM EDT Thu Apr 22 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

...GULF OF MEXICO...

A cold front extends from near Key West, Florida to the Yucatan
Peninsula. A second cold front stretches from Tampa Bay, Florida,
to near 25N90W, then becomes stationary to just north of Tampico,
Mexico. The first front will exit the basin this morning, while
the second front will stall from the Florida Keys to Tampico, 
Mexico this afternoon. The second front will lift north as a warm
front Friday into Saturday, with strong southerly winds
developing in the W and central Gulf in its wake. A new cold
front will then enter the basin from the Texas coast late Sat.
This front will across the rest of the Gulf through Sun night as
it weakens. 

...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...

Fresh to strong trade winds over the central Caribbean will
diminish slightly into the weekend as high pressure over the 
central Atlantic shifts eastward, except near the coast of 
Colombia where these winds will persist through the weekend. 

...SW N ATLANTIC INCLUDING THE BAHAMAS...

A cold front stretches from Bermuda to the Florida Keys. A second
front has moved off the SE U.S. coast overnight. The second front
will merged with the first this afternoon, and the combined cold
front will stretch from around 31N64W through the NW Bahamas and
into the Florida Straits tonight. N of 29N, fresh to strong SW
are expected today in advance of the first front, with strong NW
winds behind the second front diminishing to moderate to fresh by
this afternoon. Sun morning, a stronger cold front is expected 
to approach the southeastern U.S. coast and move across the 
waters NE of the Bahamas through Mon night while weakening. Fresh
to strong southerly winds will develop over the NW waters Sat 
and Sat night, and shift eastward over the far north-central and 
NE waters through Sun night. Thunderstorms are possible ahead of
this front. 

$$

.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 KONARIK. National Hurricane Center.