FZNT21 KWBC 300836 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 436 AM EDT Thu Apr 30 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. ANZ898-302000- 436 AM EDT Thu Apr 30 2026 .SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure trough extending NW from a low pressure center SE of the area will move NE across the waters today, then shift E of the area tonight ahead of an area of low pressure and an associated cold front. The low and cold front will move E across the area today and tonight. The front will clear E of the waters by early Fri, with a secondary cold front or low pressure trough crossing the waters into later Fri. A high pressure ridge will pass across the waters Fri night and Sat. A strengthening area of low pressure will approach the waters from the S late Sat, then pass just S of the southern waters Sat night. The low will continue to deepen E and NE of the waters Sun through Mon night. High pressure will move into the region from the W Sun night and persist through Mon night. $$ ANZ800-302000- Gulf of Maine to the Hague Line- 436 AM EDT Thu Apr 30 2026 ...GALE FORCE WINDS POSSIBLE SUN... .TODAY...E to SE winds 15 to 25 kt. Seas 6 to 9 ft. Areas of fog. Scattered showers. Vsby 1 NM or less. .TONIGHT...S to SE winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 5 to 7 ft. Scattered showers and areas of fog with vsby 1 nm or less. .FRI...NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas 5 to 6 ft. Scattered showers with vsby 1 nm or less. .FRI NIGHT...W winds 10 to 15 kt, becoming variable. Seas 4 to 6 ft. .SAT...S to SE winds 5 to 10 kt. Seas 4 to 5 ft. .SAT NIGHT...S winds 10 to 15 kt, becoming E to SE. Seas 3 to 5 ft. .SUN...NE winds 10 to 20 kt, becoming E to NE 25 to 35 kt. Seas 5 to 8 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to 8 ft. .MON...W to SW winds 10 to 15 kt, becoming S to SW 15 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 20 to 25 kt. Seas 5 to 8 ft. $$ ANZ805-302000- Georges Bank between Cape Cod and 68W north of 1000 FM- 436 AM EDT Thu Apr 30 2026 .TODAY...SE winds 10 to 20 kt, becoming S to SE 5 to 15 kt. Seas 6 to 8 ft. Scattered tstms early. Scattered showers and areas of fog. Vsby 1 NM or less. .TONIGHT...Variable winds less than 10 kt, becoming W to NW. Seas 5 to 7 ft. Scattered showers and areas of fog with vsby 1 nm or less. .FRI...NW winds 5 to 15 kt. Seas 5 to 6 ft. Scattered showers with vsby 1 nm or less. .FRI NIGHT...W to SW winds 5 to 10 kt. Seas 4 to 5 ft. .SAT...SW winds 5 to 10 kt, becoming S. Seas 4 to 5 ft. .SAT NIGHT...S to SE winds 5 to 10 kt, becoming E to NE 20 to 30 kt. Seas 4 to 7 ft. .SUN...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. .SUN NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. .MON...W winds 10 to 20 kt, becoming SW. Seas 4 to 7 ft. .MON NIGHT...SW winds 15 to 25 kt, becoming S 15 to 20 kt. Seas 4 to 6 ft. $$ ANZ900-302000- Georges Bank between 68W and the Hague Line- 436 AM EDT Thu Apr 30 2026 ...GALE FORCE WINDS POSSIBLE SUN... .TODAY...E winds 10 to 15 kt, becoming SE 10 to 20 kt, then, becoming S to SE 5 to 15 kt. Seas 6 to 9 ft. Scattered tstms early. Scattered showers. Areas of fog. Vsby 1 NM or less. .TONIGHT...W to SW winds less than 10 kt, becoming W to NW. Seas 5 to 7 ft. Scattered showers and areas of fog. Scattered tstms. Vsby 1 NM or less. .FRI...NW winds 5 to 15 kt. Seas 4 to 6 ft. Scattered showers with vsby 1 nm or less. .FRI NIGHT...W winds 5 to 15 kt, diminishing to less than 10 kt. Seas 4 to 5 ft. .SAT...Variable winds less than 10 kt, becoming S. Seas 4 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt, becoming E 20 to 30 kt. Seas 4 to 8 ft. .SUN...N to NE winds 25 to 35 kt, becoming NW. Seas 7 to 12 ft. .SUN NIGHT...W to NW winds 10 to 20 kt. Seas 7 to 12 ft. .MON...W winds 10 to 20 kt, becoming SW. Seas 4 to 7 ft. .MON NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. $$ ANZ810-302000- South of New England between the Great South Channel and Montauk Point to 1000 FM- 436 AM EDT Thu Apr 30 2026 ...GALE FORCE WINDS POSSIBLE SUN... .TODAY...W winds 5 to 10 kt, becoming variable, then, becoming E to SE. Seas 5 to 8 ft. Areas of fog with vsby 1 nm or less early. Scattered showers with vsby 1 nm or less. Scattered tstms. .TONIGHT...N to NW winds less than 10 kt, becoming NW. Seas 5 to 6 ft. Areas of fog with vsby 1 nm or less. .FRI...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 5 to 10 kt, becoming SW. Seas 4 to 5 ft. .SAT...S winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...S to SE winds 5 to 10 kt, becoming NE 20 to 30 kt. Seas 4 to 7 ft. .SUN...NW winds 25 to 35 kt, diminishing to 15 to 20 kt. Seas 6 to 10 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 9 ft. .MON...W winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. $$ ANZ815-302000- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 436 AM EDT Thu Apr 30 2026 .TODAY...Variable winds less than 10 kt, becoming SE, then, becoming N to NW. Seas 5 to 7 ft. Scattered showers. Scattered tstms. .TONIGHT...W to NW winds 5 to 10 kt, becoming NW 5 to 15 kt. Seas 5 to 6 ft. .FRI...NW winds 10 to 15 kt, becoming W 5 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 5 ft. .SAT...S to SW winds 5 to 10 kt, becoming S to SE. Seas 3 to 4 ft. .SAT NIGHT...E to SE winds 5 to 10 kt, becoming N to NE 10 to 15 kt. Seas 3 to 5 ft. .SUN...N to NW winds 15 to 20 kt, becoming W. Seas 4 to 8 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 4 to 7 ft. .MON...W to SW winds 10 to 15 kt, becoming S to SW 15 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt. Seas 5 to 7 ft. $$ .Forecaster Joseph. Ocean Prediction Center.