000 FZNT27 KNHC 210213 OFFN06 NAVTEX MARINE FORECAST NATIONAL WEATHER SERVICE NATIONAL HURRICANE CENTER MIAMI FL 1013 PM EDT WED MAR 20 2013 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... .SYNOPSIS...COLD FRONT FROM NEAR TAMPA BAY TO TAMPICO MEXICO WILL MOVE SE OVERNIGHT...AND EXTEND FROM FLORIDA KEYS TO TUXPAN MEXICO THU MORNING...THEN BECOME DIFFUSE OVER NW CUBA AND THE YUCATAN CHANNEL BY THU EVENING. ENERGETIC UPPER LEVEL TROUGH SWEEPING E ACROSS THE CENTRAL GULF THIS EVENING WILL IGNITE SCATTERED TSTMS ALONG AND AHEAD OF FRONT ACROSS E AND SE GULF. HIGH PRES WILL BUILD SE ACROSS THE REGION THU NIGHT AND FRI WITH SOUTHERLY RETURN FLOW GRADUALLY INCREASING THROUGH SAT. THE NEXT COLD FRONT WILL IMPACT THE GULF WATERS LATE SAT AND SUN. NORTHWEST GULF OF MEXICO .OVERNIGHT...NE WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. .THU...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT...SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. .THU NIGHT...S 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...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT...SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. .SAT...S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .SUN...N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. .MON...NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. NORTH CENTRAL AND NORTHEAST GULF OF MEXICO .OVERNIGHT...N WINDS 15 TO 20 KT. SEAS 5 TO 9 FT. .THU...NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT...SUBSIDING TO 3 TO 5 FT IN THE AFTERNOON. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .FRI...SE WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. .FRI NIGHT...SE WINDS 15 TO 20 KT...BECOMING S 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. .SAT...S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .SUN...NW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. .MON...NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.