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168
AGXX40 KNHC 180530
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
130 AM EDT Sat Aug 18 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 surface trough will develop along the Yucatan Peninsula during the late afternoons, then drift westward across the southwest gulf waters during the overnight hours accompanied by a fresh east to southeast wind shift with the trough dissipating along 96W during the late mornings. Otherwise, an east to west ridge extends across the gulf waters along 28N accompanied by gentle to moderate anticyclonic flow which is forecast to increase to a fresh southerly breeze across the northwest gulf waters on Sun evening and continue through sunrise on Mon. The ridge will then shift south and extend east to west across the central waters during the middle of next week.


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

Strong nocturnal easterly trades expected along the northwest coast of Colombia through the middle of next week. A tropical wave along 79W will continue westward across the western Caribbean during the weekend. A second tropical wave along 62W will continue through the east Caribbean this weekend. A third tropical wave in the central Atlantic will reach along 55W on Mon night and reach the east Caribbean during the middle of next week.


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

An east to west ridge extends from 30N70W to 29N81W with gentle to locally moderate southerly winds north of ridge, light and variable winds elsewhere north of 23N, and fresh trades south of 23N, except becoming locally strong along the north coast of Hispaniola during the late afternoon into early evening hours. The ridge axis will shift south to across central Florida early next week.

$$


.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 Nelson. National Hurricane Center.

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