Marine Weather for HS 101


marine weather discussion NWS National Hurricane Center Miami FL 220 PM EST Thu Nov 15 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...

Strong to near gale force winds and high seas continue behind a cold front that now extends from se Florida to western Cuba. A recent scatterometer pass, combined with surface data, shows fresh to strong winds across the Bay of Campeche, and E of 90w. An altimeter pass indicates seas near 12 ft N of the Yucatan Peninsula. Winds and seas will gradually decrease behind the front, that will continue to move away from the area tonight and Fri. By Fri morning, mainly moderate to fresh northerly winds are expected across the eastern Gulf E of 87w, with gentle to moderate winds elsewhere, with the exception of light and variable winds over the NW Gulf due to the presence of a 1025 mb high pressure center. Then, high pres will prevail across the Gulf waters through the weekend.

...Caribbean Sea and tropical N Atlantic from 07n to 19n between 55w and 64w...

Fresh to strong northerly winds and seas of 8-11 ft are observed west of a cold front extending from western Cuba to central Honduras. Similar wind speeds are seen spilling along the coast of NE Honduras and Nicaragua as high pressure builds across northern Central America in the wake of the front. This system will slowly move southeast, eventually stalling from eastern Cuba to the Gulf of Honduras by Sat morning. Fresh to strong northerly winds and seas to 8 ft will persist behind the front through Fri evening. At the same time, winds will begin to increase to 20-25 kt across the eastern Caribbean, then across the central Caribbean on Sat, with seas building to 8-9 ft. Fresh to locally strong winds are forecast E of the Lesser Antilles, with seas of 8 to 10 ft through sun.

...SW N Atlantic including the Bahamas...

High pressure over the central Atlantic will shift eastward ahead of a cold front that currently extends from 31n79w to South Florida and western Cuba. Fresh to strong winds are noted per scatterometer data on either side of the front N of 28n. The front will reach from near 31n73w to the central Bahamas and eastern Cuba by early Fri morning, then will become stationary from 31n67w to the se Bahamas by early Sat morning. Meanwhile, a trough over Hispaniola will move into the se Bahamas today and stall, before losing identity ahead of the cold front Fri and 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... 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.

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