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AGXX40 KNHC 190634
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
134 AM EST Tue Jan 19 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...

High pressure over the north central Gulf will shift eastward into the western Atlantic through Fri. Fresh to strong southerly return flow over the western Gulf between the high pressure and lower pressure over Texas will diminish today. These winds will diminish some by Wed. A trough will form off the west coast of the Yucatan Peninsula each night through Wed night, supporting brief pulses of fresh to strong winds. A cold front will move over the northern Gulf Sat and become stationary into Sat night.


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

High pressure building over the western Atlantic in the wake of a cold front are supporting fresh to strong winds and building seas over the southeast and south-central Caribbean, with winds pulsing to gale force off the coast of Colombia mainly at night through Wed night. Fresh to strong northeast winds are also expected in the lee of eastern Cuba through Wed night. Winds and seas diminish Thu through Sat as the high pressure weakens, although strong winds will persist off Colombia.


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


.A cold front extending from 28N65W to the eastern Cuba will stall from 25N65W to eastern Cuba tonight into Wed, then dissipate Wed night. Another cold front will move southward into waters between northeastern Florida and Bermuda by Wed night. The main portion of this front will lift to the northeast of the area Thu, leaving a trailing stationary segment to dissipate along 27N by late Thu. This front will be followed by yet another cold front that will move southward across the waters between Bermuda and NE Florida late Fri, and reach from near 31N60W to near the NW Bahamas by late Sat.

$$


.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...
.AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... Gale Warning early this morning. Gale Warning tonight. Gale Warning Wed night.


.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 Christensen. National Hurricane Center.

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