000 FZNT27 KNHC 191427 AAA OFFN06 NAVTEX MARINE FORECAST...UPDATED NWS NATIONAL HURRICANE CENTER MIAMI FL 1027 AM EDT THU SEP 19 2013 UPDATED SYNOPSIS ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... .SYNOPSIS...LOW PRES OVER THE CENTRAL BAY OF CAMPECHE NEAR 20.5N94W IS FORECAST TO MOVE WNW...POSSIBLY AS A TROPICAL CYCLONE...THROUGH SAT. A COLD FRONT WILL ENTER THE N CENTRAL GULF ON SAT...STALLING OUT ACROSS THE NORTHERN GULF WATERS THROUGH MON. THE LOW IS FORECAST TO MERGE WITH THE FRONT OR DISSIPATE NEAR THE NE COAST OF MEXICO ON SUN. NORTHWEST GULF OF MEXICO .THIS AFTERNOON...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .TONIGHT...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. .FRI...SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN...N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .MON...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. NORTH CENTRAL AND NORTHEAST GULF OF MEXICO .THIS AFTERNOON...E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT... SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. SCATTERED SHOWERS AND ISOLATED TSTMS. .TONIGHT...E WINDS 15 TO 20 KT...BECOMING SE 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .FRI...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT...SUBSIDING TO 3 TO 5 FT IN THE AFTERNOON. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT...SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. .SAT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .MON...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.