


Offshore Forecast
Issued by NWS
Issued by NWS
865 FZNT25 KNHC 121406 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1006 AM EDT Wed Mar 12 2025 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of America .SYNOPSIS...A 1019 mb high pressure centered over the NE Gulf of America will slide eastward across Florida and into the W Atlantic by Thu. Moderate to fresh southerly return flow will set up over the western basin today, then weaken Thu as a front approaches SE Texas. Southerly winds will then increase to fresh to strong speeds across most of the basin Fri, then to strong Fri night ahead of the front. The cold front will move into the NW portion early Sat, and quickly weaken, reaching from the Florida Panhandle to just S of Veracruz, Mexico by Sun morning. A reinforcing push may advance the front out of the basin late Sun night. .THIS AFTERNOON...E to SE winds 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .THU...SE to S winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...S to SW winds 5 to 10 kt, shifting to E late. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .SAT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .SUN...S winds 15 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...S to SW winds 10 to 15 kt, becoming W to NW 15 to 20 kt late. Seas 4 to 6 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...A cold front extends from near 31N58W to the north coast of the Dominican Republic. Gale force SW wind and rough continue along the front north of 27N, while strong NW to W winds and very rough seas prevail behind the front north of 25N. Strong thunderstorms are north of 21N within 180 nm ahead of the front. The front will reach from 31N54W to near Puerto Rico this evening with gale force winds diminishing south of 31N. The southern portion of the front will then become stationary across the coastal waters of Puerto Rico by Fri morning then dissipate. Large NW to W swell behind the front will shift eastward through Thu. Winds and seas will diminish and subside from west to east through Fri as high pressure builds over the western Atlantic in the wake of the front. Winds are forecast to increase north of 22N this weekend as the pressure gradient tightens. These winds will support building seas across most of the basin. .THIS AFTERNOON...S of 27N, NE to E winds 5 to 10 kt in the afternoon. N of 27N, NW to N winds less than 5 kt in the afternoon. Seas 3 to 5 ft S of 27N, and 5 to 7 ft N of 27N. .TONIGHT...E winds 5 to 10 kt S of 27N, and SE to S 10 to 15 kt N of 27N. Seas 3 to 5 ft. .THU...SE to S winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt S of 27N, and S 5 to 10 kt N of 27N. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. .SAT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 20 to 25 kt. Seas 3 to 4 ft S of 27N, and 4 to 6 ft N of 27N. .SUN...SE to S winds 20 to 25 kt. Seas 3 to 5 ft S of 27N, and 5 to 7 ft N of 27N. .SUN NIGHT...SE to S winds 15 to 20 kt. Seas 3 ft S of 27N, and 5 to 7 ft N of 27N.