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AGXX40 KNHC 210649
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
249 AM EDT Thu Jun 21 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...

An area of low pressure over southern Texas will support strong gusty winds, widespread showers and scattered thunderstorms in Texas coastal waters this morning. Winds and seas in the NW Gulf will diminish further today as the low weakens. A broad ridge across the SE Gulf will support light winds and seas less than 3 ft east of 88W through Tue.


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

A tropical wave passing south of Hispaniola will move into the western Caribbean today. A tropical wave along 59W will reach the Lesser Antilles later this morning. Fresh to strong winds are expected in the Gulf of Honduras Fri night through Sun night. Trade winds across the south-central Caribbean will strengthen tonight, then expand in coverage across the basin this weekend as high pressure builds in the central Atlantic. Seas will build to 10-11 ft in the central Caribbean Sat night through Mon night.


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

High pressure over the east-central Atlantic near 34N33W will slowly shift westward through Sat night, then remain nearly stationary near 30N55W through Tue. The pressure gradient in the central Atlantic associated with this high will support fresh trade winds S of 23N west of 50W, and allow seas to build to 6-7 ft in southern waters E of the Bahamas this weekend.

$$


.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 Mundell. National Hurricane Center.

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