000 AGXX40 KNHC 310830 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 430 AM EDT Fri Jul 31 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... Hurricane Isaias near 20.9N 73.3W 990 mb at 5 AM EDT moving NW at 15 kt. Maximum sustained winds 70 kt gusts 85 kt. Weak high pressure over the NE Gulf will drift W through the weekend as Isaias moves NW to the Central Bahamas tonight, then veer more NNW over or near the NW Bahamas and near SE Florida Sat. Isaias is the expected to move N then NE across the W Atlantic and remain east of the Gulf of Mexico through the weekend. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Hurricane Isaias near 20.9N 73.3W 990 mb at 5 AM EDT moving NW at 15 kt. Maximum sustained winds 70 kt gusts 85 kt. Isaias will move to 22.3N 75.0W this afternoon, 24.0N 77.0W Sat morning, 25.7N 78.5W Sat afternoon, 27.3N 79.4W Sun morning, 28.8N 79.6W Sun afternoon, and 30.6N 79.3W Mon morning. Fresh to strong flow will persist south of Hispaniola today. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Hurricane Isaias near 20.9N 73.3W 990 mb at 5 AM EDT moving NW at 15 kt. Maximum sustained winds 70 kt gusts 85 kt. Isaias will move to 22.3N 75.0W this afternoon, 24.0N 77.0W Sat morning, 25.7N 78.5W Sat afternoon, 27.3N 79.4W Sun morning, 28.8N 79.6W Sun afternoon, and 30.6N 79.3W Mon morning. Isaias will change little in intensity as it moves north of the area to 36.5N 75.5W early Tue. Very large seas in SE swell are expected over a large portion of the SW North Atlantic waters west of 70W and through the Bahamas waters today as the center of Isaias moves across the SE Bahamas. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ111...ATLANTIC FROM 27N TO 31N W OF 77W... Tropical Storm Warning Sat. Hurricane Warning Sat night. .AMZ117...BAHAMAS INCLUDING CAY SAL BANK... Tropical Storm Warning early today. Hurricane Warning today into Sat night. .AMZ119...ATLANTIC FROM 22N TO 27N E OF BAHAMAS TO 70W... Tropical Storm Warning early today into tonight. .AMZ123...ATLANTIC S OF 22N W OF 70W INCLUDING APPROACHES TO THE WINDWARD PASSAGE... Hurricane Warning early today into today. $$ *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.