000 AGXX40 KNHC 180642 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 142 AM EST Wed Nov 18 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... Strong winds, frequent gusts to gale force, and building seas can be expected through tonight across the central Gulf and Straits of Florida as high pressure builds north of the area behind a front moving exiting the southern Gulf. In addition, southerly swell from Iota, now well inland over Central America, will move through the Yucatan Channel. Conditions should improve by the end of the week into the weekend. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A cold front will move into the NW Caribbean early this morning and stall from eastern Cuba to the northern Gulf of Honduras early Thu. Strong northerly winds, with frequent gusts to gale force N of 20N, and large seas are expected in the Gulf of Honduras early today through tonight. Hazardous seas will be possible across the approach to the Yucatan Channel behind the front as northerly wind waves mix with swell from Iota. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A cold front extending from SE of Bermuda to the Straits of Florida will reach from 25N65W to central Cuba by tonight, then stall on Thu. The front will weaken and retreat W-NW for the end of the week into the weekend. Fresh to strong NE-E winds are expected across most the SW N Atlantic through Fri as the pressure gradient tightens in the wake of the front. Frequent gusts to gale force are forecast from 22N-27N tonight through Thu night. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ013...N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY... Gale Warning early today into tonight. .GMZ015...NE GULF N OF 25N E OF 87W... Gale Warning early today into tonight. .GMZ019...CENTRAL GULF FROM 22N TO 26N BETWEEN 87W AND 94W... Gale Warning early today into tonight. .GMZ021...E GULF FROM 22N TO 25N E OF 87W INCLUDING STRAITS OF FLORIDA... Gale Warning early today into tonight. .GMZ025...E BAY OF CAMPECHE INCLUDING CAMPECHE BANK... Gale Warning early today into tonight. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ011...CARIBBEAN N OF 18N W OF 85W INCLUDING YUCATAN BASIN... Gale Warning today into tonight. .AMZ013...CARIBBEAN N OF 18N BETWEEN 76W AND 85W INCLUDING CAYMAN BASIN... Gale Warning today into tonight. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ117...BAHAMAS INCLUDING CAY SAL BANK... Gale Warning tonight into Thu. .AMZ119...ATLANTIC FROM 22N TO 27N E OF BAHAMAS TO 70W... Gale Warning tonight into Thu night. GALE CONDITIONS POSSIBLE Thu night. .AMZ121...ATLANTIC FROM 22N TO 27N BETWEEN 65W AND 70W... Gale Warning tonight into Thu night. GALE CONDITIONS POSSIBLE Thu night. $$ *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 Lewitsky. National Hurricane Center.