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000
AGXX40 KNHC 221839
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
139 PM EST Thu Feb 22 2018

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 nearly stationary front near the Texas coast will move N tonight. Strong winds will affect the Straits of Florida and the waters adjacent to the Yucatan Peninsula today and tonight. Otherwise, Large high pres over the W Atlc will slowly weaken during the next few days and allow strong winds over the Straits of Florida and near the Yucatan to subside by Fri. Ridging on the W side of the high will generate moderate to fresh SE return flow across the basin through Sun. A weak cold front will drift into the Texas coastal waters late Sun then head SE and extend from the FL Panhandle to Veracruz Mexico Mon afternoon.


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

Strong high pres over the NW Atlc will dominate the region as it remains centered near Bermuda through the end of the week. Fresh to strong trade winds will prevail across the Caribbean and Tropical N Atlc waters through Fri night, with nocturnal winds pulsing to gale force along the Colombia coast. The strong high will weaken this weekend into early next week, leading to diminishing winds and seas. Large swell from the N to NE will cause combined seas E of the Windward Islands to build to between 8 and 12 ft by the middle of next week.


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

W Atlc ridge will persist near 31N through the weekend but weaken slowly Fri through Sun. Gentle to moderate winds will prevail N of 25N with fresh to strong winds continuing S of 25N through Fri evening, then the strong winds will subside Sat, except for the approach to the Windward Passage where the winds will subside to moderate speeds by Sun morning. Large NNE swell will move through the waters E of 65W through Fri night. Moderate winds and 4 to 6 ft seas are expected Sun night through Mon night before a weak cold front may move off the NE Florida coast Mon night.

$$


.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 tonight. Gale Warning Fri 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 McElroy. National Hurricane Center.

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