000 FZNT27 KNHC 181534 OFFN06 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL ISSUED BY NWS OCEAN PREDICTION CENTER WASHINGTON DC 1134 AM EDT TUE AUG 18 2015 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... .SYNOPSIS...A HIGH PRESSURE RIDGE BUILDING FROM THE W ATLC ACROSS THE N GULF WILL PREVAIL TODAY THROUGH FRI. A THERMAL TROUGH WILL DEVELOP EACH EVENING OVER THE YUCATAN. THE TROUGH WILL DRIFT W INTO THE SW GULF EACH NIGHT AND DISSIPATE EACH MORNING OVER THE SW GULF. NORTHWEST GULF OF MEXICO .THIS AFTERNOON...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .TONIGHT...SE WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. .WED...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .WED NIGHT...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SAT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. NORTH CENTRAL AND NORTHEAST GULF OF MEXICO .THIS AFTERNOON...SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .TONIGHT...SE WINDS 5 TO 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS. .WED...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .WED NIGHT...SE WINDS 5 TO 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS. .THU...S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .FRI...SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .SAT...N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.