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Offshore Forecast
Issued by NWS
Issued by NWS
361 FZNT21 KWBC 172107 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 507 PM EDT Sat Aug 17 2024 New England continental shelf and slope waters from 25 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. ANZ898-180800- 507 PM EDT Sat Aug 17 2024 .SYNOPSIS FOR NEW ENGLAND WATERS...A weakening ridge will persist across the waters through Mon as Hurricane Ernesto passes SE and then E of the waters. Long period SE swell from Ernesto will move into the area today, and continue into Mon night. See the latest National Hurricane Center advisory on Hurricane Ernesto for more information. A cold front will move offshore Mon night into Tue, with a weak area of low pressure developing along the front in the Gulf of Maine. The front will move E of the waters Tue night as the low lifts NE into the Gulf of Saint Lawrence. A weak trough will pass E across the waters late Wed or Wed night, followed by high pressure building E across the waters Thu and Thu night. $$ ANZ800-180800- Gulf of Maine to the Hague Line- 507 PM EDT Sat Aug 17 2024 .TONIGHT...S to SE winds 5 to 10 kt. Seas 4 to 8 ft. .SUN...E to SE winds 5 to 10 kt. Seas 4 to 8 ft. .SUN NIGHT...E to SE winds 5 to 10 kt, becoming E to NE. Seas 6 to 9 ft. .MON...Variable winds less than 10 kt, becoming S. Seas 7 to 10 ft. Slight chance of tstms with vsby 1 nm or less. .MON NIGHT...S to SW winds 5 to 15 kt. Seas 5 to 8 ft. .TUE...N to NW winds 5 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...N to NW winds 10 to 15 kt. Seas 4 to 6 ft. .WED...N winds 5 to 10 kt, becoming NW. Seas 3 to 6 ft. .WED NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 5 ft. .THU...NW winds less than 10 kt, becoming W. Seas 3 to 4 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. $$ ANZ805-180800- Georges Bank between Cape Cod and 68W north of 1000 FM- 507 PM EDT Sat Aug 17 2024 .TONIGHT...E to SE winds 5 to 10 kt. Seas 6 to 11 ft. Areas of fog with vsby 1 nm or less. .SUN...E to NE winds 5 to 15 kt. Seas 6 to 10 ft. Areas of fog with vsby 1 nm or less. .SUN NIGHT...E to NE winds 5 to 10 kt, becoming variable. Seas 6 to 10 ft. Areas of fog with vsby 1 nm or less. .MON...S to SW winds less than 10 kt, becoming S 10 to 20 kt. Seas 6 to 9 ft. Areas of fog with vsby 1 nm or less. Slight chance of tstms with vsby 1 nm or less. .MON NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...W to SW winds 10 to 20 kt. Seas 5 to 9 ft. .TUE NIGHT...N to NW winds 10 to 15 kt, becoming NW 5 to 10 kt. Seas 5 to 7 ft. .WED...NW winds less than 10 kt, becoming N to NW. Seas 4 to 6 ft. .WED NIGHT...W to NW winds less than 10 kt. Seas 3 to 5 ft. .THU...NW winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. $$ ANZ900-180800- Georges Bank between 68W and the Hague Line- 507 PM EDT Sat Aug 17 2024 .TONIGHT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 7 to 11 ft. .SUN...E to NE winds 10 to 15 kt. Seas 7 to 11 ft. Areas of fog with vsby 1 nm or less. .SUN NIGHT...E to NE winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 7 to 12 ft. Areas of fog and scattered showers with vsby 1 nm or less. .MON...W winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas 7 to 11 ft. Areas of fog. Slight chance of tstms. Vsby 1 NM or less. .MON NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...W to SW winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...W to NW winds 10 to 15 kt, becoming NW 5 to 10 kt. Seas 6 to 8 ft. .WED...NW winds 5 to 10 kt. Seas 5 to 6 ft. .WED NIGHT...NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4 to 5 ft. .THU...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. $$ ANZ810-180800- South of New England between the Great South Channel and Montauk Point to 1000 FM- 507 PM EDT Sat Aug 17 2024 .TONIGHT...E to SE winds 5 to 10 kt. Seas 6 to 10 ft. .SUN...E to NE winds 5 to 10 kt. Seas 6 to 9 ft. .SUN NIGHT...E to NE winds less than 10 kt, becoming S to SE. Seas 6 to 9 ft. .MON...S winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas 6 to 9 ft. Scattered showers and slight chance of tstms. .MON NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...W to SW winds 5 to 15 kt, becoming W to NW 10 to 15 kt. Seas 5 to 8 ft. .TUE NIGHT...N to NW winds 5 to 10 kt. Seas 4 to 7 ft. .WED...NW winds 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. .THU...NW winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft. $$ ANZ815-180800- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 507 PM EDT Sat Aug 17 2024 .TONIGHT...SE winds 5 to 10 kt, becoming 5 to 15 kt. Seas 5 to 8 ft. Scattered showers. .SUN...SE winds 5 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 6 to 8 ft. Scattered showers and tstms. .MON...S to SW winds 10 to 20 kt, becoming SW 10 to 15 kt. Seas 6 to 8 ft. Scattered showers and tstms. .MON NIGHT...SW winds 10 to 15 kt, becoming W to NW. Seas 5 to 8 ft. .TUE...W to NW winds 5 to 15 kt, becoming N to NW 10 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. .WED...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...W to NW winds 5 to 10 kt, becoming N. Seas 3 to 4 ft. .THU...N winds 5 to 10 kt, becoming W to NW. Seas 3 to 4 ft. .THU NIGHT...SW winds less than 10 kt, becoming W. Seas 3 to 4 ft. $$ .Forecaster Connelly. Ocean Prediction Center.