689 AGXX40 KNHC 220854 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 354 AM EST Tue Dec 22 2020 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 prevails across the basin. Moderate to fresh northerly flow will gradually shift E to SE today as high pressure drifts eastward. Southerly flow returns into Wed before the next strong cold front enters the basin and brings gale-force winds into the NW and SW Gulf on Thu. Seas of 10-12 ft will prevail in the vicinity of the front. High pressure will build again in the wake of the front across the basin through the weekend. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A weakening cold front continues over the NW Caribbean enhancing fresh to strong northerly winds across the area. The front will dissipate today with easterly trades returning across the NW Caribbean. Highest winds and seas will continue to be in the southern Caribbean, near the coast of Colombia, pulsing at nighttime through the forecast period. The next cold front will slide southward into the NW Caribbean by the end of the week enhancing winds and seas. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A cold front extends from 31N67W to central Cuba near 22N78W. The front will continue pushing east enhancing winds/seas. By the end of the week, the next cold front will push off the northeast Florida coast with near-gale winds expected across the west Atlantic and seas of 10-12 ft. High pressure will build across the area in the wake of the front through the weekend. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ011...NW GULF INCLUDING STETSON BANK... GALE CONDITIONS POSSIBLE Wed night. .GMZ013...N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY... GALE CONDITIONS POSSIBLE Wed night. .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... GALE CONDITIONS POSSIBLE Thu. .GMZ019...CENTRAL GULF FROM 22N TO 26N BETWEEN 87W AND 94W... GALE CONDITIONS POSSIBLE Thu. .GMZ023...SW GULF S OF 22N W OF 94W... GALE CONDITIONS POSSIBLE Thu into Thu night. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 ERA. National Hurricane Center.