FZNT21 KWBC 181447 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1047 AM EDT Sat Jul 18 2026 New England continental shelf and slope waters from 60 nm offshore to the Hague Line, except to 1000 fm south of New England. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near tstms. ANZ898-190230- 1047 AM EDT Sat Jul 18 2026 .SYNOPSIS FOR NEW ENGLAND WATERS...Weak high pressure will move E of the waters as a warm front SW of the waters lifts N across the region today. The front will move N of the area tonight as the next cold front approaches the coast. The cold front will cross the area early Sun, and pass S and E of the waters late Sun into Sun night. High pressure will move E over the waters Mon while weakening. The front to the S will then return N as a warm front Tue into Tue night, and lift N of the waters by early Wed. Another cold front will move slowly E into the waters Wed into Wed night. $$ ANZ800-190230- Gulf of Maine to the Hague Line- 1047 AM EDT Sat Jul 18 2026 .TODAY...S to SW winds 10 to 15 kt, becoming S 20 to 30 kt. Seas 4 to 7 ft. Patchy smoke. Chance of showers. .TONIGHT...S winds 20 to 30 kt, becoming SW. Seas 6 to 9 ft. Tstms and scattered showers. .SUN...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. .SUN NIGHT...W to NW winds 10 to 15 kt, becoming NW 10 to 20 kt. Seas 3 to 6 ft. .MON...W winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...S winds 10 to 15 kt, becoming SE 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 8 ft. .WED...S winds 25 to 30 kt. Seas 7 to 12 ft. .WED NIGHT...S to SW winds 20 to 30 kt. Seas 8 to 13 ft. $$ ANZ805-190230- Georges Bank between Cape Cod and 68W north of 1000 FM- 1047 AM EDT Sat Jul 18 2026 ...GALE FORCE WINDS POSSIBLE WED... .TODAY...S to SW winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 5 ft. Patchy smoke. Chance of showers. .TONIGHT...S winds 15 to 25 kt, becoming SW 20 to 25 kt. Seas 4 to 8 ft. Tstms and scattered showers. .SUN...W to SW winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas 5 to 9 ft. Scattered showers and tstms. .SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas 4 to 6 ft. .MON...Variable winds 5 to 10 kt, becoming S to SE. Seas 3 to 5 ft. .MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 15 to 20 kt, becoming S 20 to 30 kt. Seas 4 to 6 ft, building to 7 to 12 ft. .WED...S to SW winds 25 to 35 kt, becoming S 20 to 30 kt. Seas 10 to 14 ft. .WED NIGHT...S to SW winds 20 to 30 kt. Seas 9 to 14 ft. $$ ANZ900-190230- Georges Bank between 68W and the Hague Line- 1047 AM EDT Sat Jul 18 2026 ...GALE FORCE WINDS POSSIBLE WED... .TODAY...S to SW winds 10 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 5 ft. Patchy smoke. .TONIGHT...S winds 15 to 25 kt, becoming SW 20 to 30 kt. Seas 4 to 8 ft. Patchy smoke. Tstms and scattered showers. .SUN...W to SW winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas 6 to 9 ft. Scattered showers and tstms. .SUN NIGHT...W to NW winds 5 to 15 kt. Seas 5 to 7 ft. .MON...Variable winds 5 to 10 kt, becoming S to SE. Seas 4 to 6 ft. .MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt, becoming S 20 to 30 kt. Seas 4 to 5 ft, building to 6 to 10 ft. .WED...S winds 25 to 35 kt, becoming S to SW 20 to 30 kt. Seas 8 to 14 ft. .WED NIGHT...S winds 20 to 30 kt. Seas 11 to 14ft. $$ ANZ810-190230- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1047 AM EDT Sat Jul 18 2026 .TODAY...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. Patchy smoke. Chance of showers and scattered tstms. .TONIGHT...S to SW winds 15 to 25 kt, becoming W to SW 20 to 30 kt. Seas 5 to 8 ft. Tstms and scattered showers. .SUN...W to SW winds 15 to 25 kt, becoming NW 10 to 15 kt. Seas 5 to 8 ft. Scattered showers and tstms. .SUN NIGHT...W winds 5 to 10 kt, becoming S. Seas 4 to 6 ft. .MON...Variable winds less than 10 kt, becoming S to SE. Seas 3 to 5 ft. .MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...S to SE winds 20 to 25 kt, becoming S to SW 20 to 30 kt. Seas 5 to 8 ft, building to 9 to 13 ft. .WED...SW winds 20 to 30 kt. Seas 12 to 14 ft. .WED NIGHT...SW winds 20 to 30 kt. Seas 8 to 13 ft. $$ ANZ815-190230- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1047 AM EDT Sat Jul 18 2026 .TODAY...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 4 ft. Patchy smoke. Scattered showers and tstms. .TONIGHT...S to SW winds 20 to 25 kt, becoming W to SW 15 to 25 kt. Seas 4 to 7 ft. Tstms and scattered showers. .SUN...W to NW winds 15 to 20 kt, becoming NW 5 to 15 kt. Seas 5 to 7 ft. Scattered showers and tstms. .SUN NIGHT...W to NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 3 to 5 ft. .MON...N to NE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .MON NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...S to SW winds 20 to 30 kt. Seas 5 to 7 ft, building to 8 to 12 ft. .WED...SW winds 20 to 25 kt. Seas 9 to 13 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 8 to 11 ft. $$ .Forecaster Huffman. Ocean Prediction Center.