000 FZNT27 KNHC 212120 OFFN06 NAVTEX MARINE FORECAST NATIONAL WEATHER SERVICE NATIONAL HURRICANE CENTER MIAMI FL 520 PM EDT THU MAR 21 2013 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... .SYNOPSIS...QUICKLY WEAKENING COLD FRONT EXTENDS FROM NW CUBA AND MEANDERS W TO NEAR 23.5N93W. FRONT WILL BECOME DIFFUSE ACROSS W CUBA AND YUCATAN CHANNEL TONIGHT. HIGH PRES OVER THE NORTHERN GULF WILL SHIFT E THROUGH FRI TO PRODUCE RETURN FLOW ACROSS MUCH OF BASIN FRI AND SAT. NEXT COLD FRONT WILL REACH THE NW GULF SAT NIGHT AND EXTEND FROM FLORIDA PANHANDLE TO BAY OF CAMPECHE SUN THEN PUSH SE OF THE GULF MON. NORTHWEST GULF OF MEXICO .TONIGHT...SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT...SUBSIDING TO 3 TO 5 FT AFTER MIDNIGHT. .FRI...S WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...N WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. .MON...NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. .TUE...NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. NORTH CENTRAL AND NORTHEAST GULF OF MEXICO .TONIGHT...E WINDS 10 TO 15 KT...BECOMING SE 15 TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. .FRI...SE WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SAT...S WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT...BUILDING TO 4 TO 6 FT IN THE AFTERNOON. .SAT NIGHT...S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .SUN...W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. .MON...N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .TUE...NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.