Offshore Forecast
Issued by NWS
Issued by NWS
743 FZNT22 KWBC 210253 OFFNT2 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1053 PM EDT Wed Aug 20 2025 West central North Atlantic continental shelf and slope waters beyond 20 nm to 250 nm offshore, including south of Georges Bank from 1000 fm to 250 nm offshore. 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. ANZ899-220230- 1053 PM EDT Wed Aug 20 2025 .SYNOPSIS FOR MID ATLC WATERS...The center of large Hurricane Erin is located over the outer S waters early tonight. Eric will continue to track N and then N to NE through the outer S and outer central waters later tonight and Thu. It will then turn more NE and move through the outer northern Mid-Atlantic Waters Thu night and Fri, passing E of the area Fri night. Significant S to SE swell will continue through Fri night while gradually backing to the E. A high pressure area will build over the waters Fri night through Sat night while a stationary front forms over the far S waters. A weak area of low pressure will form along the front off the South Carolina coast Sat night, then lift NE through the central waters Sun into Sun night while the area of high pressure to the N shifts E of the region. A cold front will approach the area from the W late Sun night, then move E across the area Mon and Mon night. For more information on Hurricane Erin, please closely monitor the latest forecasts from the National Hurricane Center. $$ ANZ820-220230- Hudson Canyon to Baltimore Canyon to 1000 FM- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...E to NE winds 15 to 25 kt. Seas 9 to 17 ft. Scattered showers and tstms. .THU...NE winds 25 to 30 kt, increasing to 30 to 35 kt. Seas 15 to 25 ft. Tstms and scattered showers. .THU NIGHT...N winds 25 to 35 kt, becoming 25 to 30 kt. Seas 15 to 25 ft. Chance of showers. .FRI...N winds 20 to 30 kt. Seas 12 to 20 ft. .FRI NIGHT...E to NE winds 10 to 15 kt, becoming S to SW 5 to 15 kt. Seas 8 to 14 ft. .SAT...S to SE winds less than 10 kt, increasing to 5 to 15 kt. Seas 6 to 10 ft. .SAT NIGHT...S to SE winds 5 to 15 kt. Seas 5 to 9 ft. .SUN and SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 7 ft. .MON...S to SW winds 5 to 10 kt. Seas 3 to 6 ft. .MON NIGHT...SW winds 5 to 15 kt, becoming W to NW 10 to 15 kt. Seas 3 to 5 ft. $$ ANZ915-220230- Between 1000FM and 38.5 N west of 69 W- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...E winds 15 to 25 kt. Seas 9 to 16 ft. Scattered showers and tstms. .THU...E winds 20 to 30 kt, becoming E to NE 35 to 45 kt. Seas 14 to 27 ft. Showers and tstms. .THU NIGHT...NE winds 40 to 55 kt, becoming N 35 to 50 kt. Seas 20 to 37 ft. Tstms and scattered showers. .FRI...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 15 to 30 ft. Chance of showers and scattered tstms. .FRI NIGHT...N to NE winds 15 to 25 kt, diminishing to less than 10 kt. Seas 11 to 19 ft. .SAT...E to NE winds less than 10 kt. Seas 8 to 13 ft. .SAT NIGHT...E to SE winds 5 to 10 kt, becoming S to SE 5 to 15 kt. Seas 7 to 10 ft. .SUN...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...S winds 5 to 15 kt. Seas 6 to 8 ft. .MON...S to SE winds 5 to 15 kt, becoming variable. Seas 5 to 7 ft. .MON NIGHT...W winds 5 to 15 kt. Seas 4 to 6 ft. $$ ANZ920-220230- Baltimore Canyon to 69W east of 1000 FM and south of 38.5N to 250 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...HURRICANE WARNING... .TONIGHT...E winds 15 to 25 kt, increasing to 25 to 35 kt. Seas 11 to 21 ft. Showers and tstms. .THU...E winds 45 to 60 kt, becoming E to NE 70 to 85 kt. Seas 16 to 32 ft, building to 28 to 43 ft. Showers and tstms. .THU NIGHT...N to NE winds 70 to 85 kt, becoming N to NW 40 to 55 kt. Seas 33 to 48 ft. Showers and tstms. .FRI...N to NW winds 25 to 35 kt, becoming N 20 to 30 kt. Seas 15 to 30 ft. Scattered showers and tstms. .FRI NIGHT...N to NE winds 10 to 20 kt, becoming NE 5 to 15 kt. Seas 11 to 19 ft. .SAT...E to NE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas 8 to 14 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming S to SE 5 to 15 kt. Seas 7 to 11 ft. .SUN...S to SE winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...S to SE winds 10 to 15 kt. Seas 6 to 8 ft. .MON...S winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 4 to 6 ft. $$ ANZ905-220230- East of 69W to the Hague Line between 1000 FM and 39N- 1053 PM EDT Wed Aug 20 2025 ...HURRICANE WARNING... .TONIGHT...E winds 15 to 25 kt. Seas 7 to 13 ft. Scattered showers and tstms. .THU...E winds 15 to 25 kt, increasing to 30 to 40 kt. Seas 12 to 22 ft. Showers and tstms. .THU NIGHT...E winds 40 to 55 kt, becoming E to NE 65 to 85 kt. Seas 24 to 39 ft. Showers and tstms. .FRI...N to NE winds 65 to 80 kt, becoming N 40 to 55 kt. Seas 27 to 42 ft. Showers and tstms. .FRI NIGHT...N to NW winds 25 to 35 kt, becoming N 15 to 25 kt. Seas 16 to 31 ft. .SAT...N to NE winds 5 to 15 kt. Seas 11 to 19 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming SE. Seas 8 to 12 ft. .SUN...SE winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 7 to 10 ft. .SUN NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to 8 ft. .MON...SE winds 10 to 20 kt, becoming S 15 to 25 kt. Seas 5 to 7 ft. .MON NIGHT...S to SW winds 15 to 25 kt, becoming W 5 to 15 kt. Seas 5 to 7 ft. $$ ANZ910-220230- East of 69W and south of 39N to 250 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...HURRICANE WARNING... .TONIGHT...E to SE winds 15 to 25 kt. Seas 9 to 16 ft. Scattered showers and tstms. .THU...E to SE winds 35 to 45 kt, becoming E 60 to 75 kt. Seas 12 to 23 ft, building to 24 to 39 ft. Showers and tstms. .THU NIGHT...E to NE winds 70 to 85 kt. Seas 34 to 49 ft. Showers and tstms with vsby 1 nm or less. .FRI...N to NW winds 60 to 75 kt, diminishing to 35 to 45 kt. Seas 27 to 42 ft. Tstms, showers. .FRI NIGHT...N winds 20 to 30 kt. Seas 14 to 28 ft. .SAT...NE winds 10 to 15 kt. Seas 10 to 18 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming SE. Seas 9 to 11 ft. .SUN...SE winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 7 to 10 ft. .SUN NIGHT...S to SE winds 5 to 15 kt. Seas 7 to 8 ft. .MON...S winds 15 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 7 ft. $$ ANZ825-220230- Baltimore Canyon to Cape Charles Light to 100 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...E winds 15 to 25 kt, becoming NE 20 to 30 kt. Seas 11 to 22 ft. Scattered showers and tstms. .THU...NE winds 30 to 35 kt, becoming N. Seas 15 to 25 ft. Showers and tstms. .THU NIGHT...N winds 30 to 35 kt, diminishing to 20 to 30 kt. Seas 12 to 24 ft. Chance of showers. .FRI...N winds 15 to 25 kt. Seas 10 to 18 ft. .FRI NIGHT...E to NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 7 to 13 ft. .SAT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 6 to 11 ft. .SAT NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas 6 to 9 ft. .SUN...S winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 5 to 7 ft. .MON...W to NW winds 5 to 10 kt, becoming S to SW. Seas 4 to 6 ft. .MON NIGHT...SW winds 5 to 15 kt, becoming W to NW. Seas 3 to 5 ft. $$ ANZ828-220230- Cape Charles Light to Currituck Beach Light to 100 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...E to NE winds 20 to 30 kt, becoming NE 30 to 40 kt. Seas 11 to 21 ft, building to 16 to 29 ft. Showers and tstms. .THU...N winds 30 to 40 kt. Seas 16 to 31 ft. Showers and tstms. .THU NIGHT...N winds 20 to 30 kt. Seas 12 to 23 ft. Chance of showers and tstms. .FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 10 to 17 ft. .FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 7 to 12 ft. .SAT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 6 to 11 ft. .SAT NIGHT...E to SE winds 5 to 10 kt, becoming S. Seas 6 to 9 ft. .SUN...SE winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to 8 ft. .SUN NIGHT...S to SE winds 5 to 15 kt. Seas 4 to 7 ft. .MON...N winds 5 to 10 kt, becoming variable. Seas 4 to 7 ft. .MON NIGHT...S to SW winds 5 to 15 kt, becoming W 10 to 15 kt. Seas 4 to 5 ft. $$ ANZ925-220230- Baltimore Canyon to Hatteras Canyon between 100 NM and 250 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...HURRICANE WARNING... .TONIGHT...E winds 35 to 50 kt, becoming E to SE 80 to 95 kt. Seas 13 to 28 ft, building to 32 to 47 ft. Showers and tstms. .THU...S to SE winds 80 to 95 kt, becoming W to SW 75 to 90 kt. Seas 40 to 55 ft. Showers and tstms. .THU NIGHT...NW winds 50 to 65 kt, becoming N to NW 25 to 35 kt. Seas 26 to 41 ft, subsiding to 18 to 32 ft. Scattered showers and tstms. .FRI...N winds 20 to 30 kt. Seas 14 to 24 ft. Chance of showers and tstms. .FRI NIGHT...N to NE winds 10 to 20 kt, becoming NE 5 to 15 kt. Seas 10 to 17 ft. .SAT...E winds 5 to 15 kt. Seas 9 to 13 ft. .SAT NIGHT...E to SE winds 5 to 15 kt, becoming S to SE. Seas 7 to 10 ft. .SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...S to SE winds 10 to 15 kt, becoming S 15 to 25 kt. Seas 6 to 8 ft. .MON...SW winds 10 to 20 kt. Seas 5 to 8 ft. .MON NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 6 ft. $$ ANZ830-220230- Currituck Beach Light to Cape Hatteras to 100 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...NE winds 35 to 45 kt, becoming N to NE 40 to 50 kt. Seas 17 to 34 ft. Showers and tstms. .THU...N winds 35 to 45 kt. Seas 18 to 34 ft. Showers and tstms. .THU NIGHT...N winds 20 to 30 kt. Seas 11 to 22 ft. Chance of showers and tstms. .FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 10 to 17 ft. .FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 8 to 12 ft. .SAT...E winds 5 to 10 kt. Seas 7 to 11 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming SE. Seas 7 to 9 ft. .SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 20 kt, becoming SW 5 to 15 kt. Seas 5 to 7 ft. .MON...N to NW winds 5 to 10 kt, becoming NW 5 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...S to SW winds 5 to 15 kt, becoming W 10 to 15 kt. Seas 4 to 6 ft. $$ ANZ833-220230- Cape Hatteras to Cape Fear to 100 NM Offshore.- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...N to NE winds 35 to 45 kt, becoming N 35 to 50 kt. Seas 18 to 36 ft. Showers and tstms. .THU...N to NW winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 17 to 33 ft, subsiding to 13 to 24 ft. Showers and tstms. .THU NIGHT...N winds 20 to 30 kt. Seas 11 to 20 ft. Chance of showers and tstms. .FRI...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 9 to 16 ft. Chance of showers and tstms. .FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 7 to 12 ft. .SAT...E winds 5 to 10 kt. Seas 6 to 10 ft. .SAT NIGHT...E winds 10 to 15 kt, becoming SE 5 to 15 kt. Seas 5 to 9 ft. .SUN...SE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 8 ft. .SUN NIGHT...S winds 5 to 15 kt, becoming SW. Seas 4 to 7 ft. .MON...NW winds 5 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...W to SW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas 3 to 6 ft. $$ ANZ930-220230- Hatteras Canyon to Cape Fear between 100 NM and 250 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...HURRICANE WARNING... .TONIGHT...S to SE winds 80 to 95 kt, becoming S to SW. Seas 27 to 55 ft. Showers and tstms. .THU...W to SW winds 70 to 90 kt, becoming W to NW 40 to 50 kt. Seas 32 to 55 ft, subsiding to 27 to 42 ft. Showers and tstms. .THU NIGHT...N to NW winds 20 to 30 kt. Seas 13 to 28 ft. Scattered showers and chance of tstms. .FRI...N to NW winds 10 to 20 kt. Seas 10 to 19 ft. Chance of showers and tstms. .FRI NIGHT...N to NE winds 10 to 15 kt, becoming NE 5 to 10 kt. Seas 9 to 14 ft. .SAT...E winds less than 10 kt. Seas 8 to 12 ft. .SAT NIGHT...E winds 5 to 10 kt, becoming SE. Seas 8 to 10 ft. .SUN...SE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...S to SE winds 10 to 20 kt, becoming SW 10 to 15 kt. Seas 7 to 8 ft. .MON...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 6 to 7 ft. .MON NIGHT...W to SW winds 5 to 15 kt. Seas 5 to 7 ft. $$ ANZ835-220230- Cape Fear to 31N to 1000 FM- 1053 PM EDT Wed Aug 20 2025 ...TROPICAL STORM WARNING... .TONIGHT...N winds 25 to 35 kt, becoming N to NW 20 to 30 kt. Seas 15 to 30 ft. Scattered showers and tstms. .THU...NW winds 20 to 30 kt. Seas 12 to 23 ft. Chance of showers and slight chance of tstms. .THU NIGHT...N to NW winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 8 to 15 ft. Scattered showers and tstms. .FRI...E to NE winds 5 to 15 kt. Seas 7 to 12 ft. Scattered showers and tstms. .FRI NIGHT...E winds 5 to 15 kt. Seas 6 to 10 ft. .SAT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to 9 ft. .SAT NIGHT...E to SE winds 5 to 15 kt. Seas 5 to 8 ft. .SUN...S to SE winds 5 to 15 kt, becoming W. Seas 4 to 8 ft. .SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW. Seas 4 to 7 ft. .MON...W to NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4 to 7 ft. .MON NIGHT...SW winds 5 to 15 kt, becoming W to SW 5 to 10 kt. Seas 3 to 6 ft. $$ ANZ935-220230- Cape Fear to 31N east of 1000 FM to 250 NM offshore- 1053 PM EDT Wed Aug 20 2025 ...HURRICANE WARNING... .TONIGHT...W to SW winds 70 to 90 kt. Seas 26 to 51 ft. Showers and tstms. .THU...W to NW winds 25 to 35 kt, becoming NW 20 to 30 kt. Seas 16 to 32 ft, subsiding to 13 to 23 ft. Scattered showers and isolated tstms. .THU NIGHT...NW winds 20 to 30 kt, becoming N to NW 10 to 20 kt. Seas 10 to 19 ft. Scattered showers and tstms. .FRI...N to NE winds 10 to 20 kt, diminishing to 5 to 10 kt. Seas 8 to 14 ft. Scattered showers and tstms. .FRI NIGHT...E to NE winds 10 to 15 kt. Seas 8 to 12 ft. .SAT...E winds 5 to 15 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 5 to 15 kt, becoming SE. Seas 7 to 9 ft. .SUN...S to SE winds 10 to 15 kt, becoming S to SW 5 to 15 kt. Seas 7 to 8 ft. .SUN NIGHT...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 6 to 8 ft. .MON...W to NW winds 5 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...W winds 5 to 15 kt. Seas 5 to 7 ft. $$ .Forecaster Mills. Ocean Prediction Center.