000 AGXX40 KNHC 210618 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 218 AM EDT Wed Apr 21 2021 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 stationary front extends from Sarasota, Florida, SW to the Bay of Campeche, connecting to a 1010 mb low pressure. There is also a low pressure trough over the Yucatan Peninsula. The stationary front will transition into a cold front as a secondary cold front moves through the northern Gulf. Fresh to strong winds are expected offshore Texas behind this secondary front. The low is forecast to lose its identity along the front later this morning. Scattered showers and thunderstorms will be focused along and near the front today. Some of this activity may produce strong gusty winds and rough seas. High pressure in its wake will shift eastward through Sat night as a cold front reaches eastern Texas. Fresh to strong southerly return flow will develop over the NW Gulf Fri, shift to the central Gulf early Sat and diminish by late Sat as the cold front moves across the NW Gulf and central Gulf waters. The front will become stationary from the east- central Gulf to the west- central Gulf Sun and Sun night as a weak gradient sets up over the area. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Fresh to strong trade winds over the central Caribbean will diminish slightly late in the week as high pressure over the central Atlantic shifts eastward, except near the coast of Colombia where these winds will persist through the week. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A stationary front is located from just S of Bermuda to near Vero Beach, Florida. This front will transition back to a cold front later today, and merge with a secondary front emerging off the SE U.S. coast tonight. N of 28N, Some fresh to strong SW are possible ahead of the first front, with some strong NW possible behind the second front. The high pressure will shift eastward through Sat night as a stronger cold front approaches the southeastern U.S. coast. This front is expected to move across the NW and north- central waters Sun and Sun night preceded by fresh to strong southerly winds and possible thunderstorms. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 KONARIK. National Hurricane Center.