000 FZNT27 KNHC 171433 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1033 AM EDT Sat Mar 17 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A ridge over the northern Gulf will shift east through Sun night ahead of a cold front moving off the Texas coast Mon. The front will extend from the Florida Big Bend area to Veracruz Mexico early Tue, just as a reinforcing push of cold air moves off the Texas coast. The reinforcing front overtakes the first front late Tue, accompanied by strong winds and building seas over the northern Gulf. The merged front sweeps southeast of the Gulf by early Wed. Winds and seas diminish across the Gulf through late Wed as high pressure follows the front across the northern Gulf. Northwest Gulf of Mexico ...DENSE FOG ADVISORY... .THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 to 4 ft. Dense fog within 20 nm of the Texas coast until 1700 UTC between Baffin Bay and High Island, TX. Chance of showers and slight chance of thunderstorms. .TONIGHT...SE to S winds 10 to 15 kt. Seas 3 to 4 ft. Patchy fog. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. Patchy fog. Slight chance of thunderstorms. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 ft. Slight chance of thunderstorms. .MON...SW winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 3 ft. .TUE...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. .WED...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...S winds 10 to 15 kt. Seas 2 ft or less. Slight chance of thunderstorms. .TONIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .SUN...S to SW winds 5 to 10 kt. Seas 2 ft or less. Chance of thunderstorms. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. Chance of showers and slight chance of thunderstorms. .MON...S to SW winds 15 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...W winds 20 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 20 to 25 kt. Seas 6 to 9 ft. .WED...NW winds 20 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft.