Offshore Forecast
Issued by NWS
Issued by NWS
094 FZNT22 KWBC 211448 OFFNT2 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1048 AM EDT Thu Aug 21 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. ANZ899-220300- 1048 AM EDT Thu Aug 21 2025 .SYNOPSIS FOR MID ATLC WATERS...The center of large Hurricane Erin is located over the outer portion of the central watersthis morning. Erin will continue to track N and NE through the outer central and then outer portion of the northern waters later today and tonight. Erin will then turn NE and move away from the waters Fri and Fri night into the weekend. 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 into Sat night while a stationary front forms over the far S waters. Weak low pressure will form along the front off the South Carolina coast Sat night, then lift NE and begin to strengthen some while passing through the central and N waters Sun into early Mon 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 while the developing low passes N and NE of the area. For more information on Hurricane Erin, please closely monitor the latest forecasts from the National Hurricane Center. $$ ANZ820-220300- Hudson Canyon to Baltimore Canyon to 1000 FM- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...NE winds 25 to 30 kt, increasing to 30 to 35 kt. Seas 15 to 25 ft. Scattered showers and tstms. .TONIGHT...N to NE winds 30 to 35 kt, becoming N 25 to 30 kt. Seas 15 to 25 ft. Chance of showers. .FRI...N to NE winds 20 to 30 kt. Seas 12 to 20 ft. .FRI NIGHT...E to NE winds 10 to 15 kt, becoming W to SW 5 to 15 kt. Seas 8 to 14 ft. .SAT...N to NE winds less than 10 kt, becoming S to SE 10 to 20 kt. Seas 5 to 9 ft. .SAT NIGHT...S to SE winds 10 to 20 kt, becoming S 5 to 15 kt. Seas 4 to 8 ft. .SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...S winds 5 to 15 kt. Seas 3 to 6 ft. .MON...Variable winds less than 10 kt, becoming W to SW. Seas 3 to 5 ft. .MON NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. $$ ANZ915-220300- Between 1000FM and 38.5 N west of 69 W- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...E to NE winds 35 to 45 kt. Seas 16 to 27 ft. Showers and tstms. .TONIGHT...NE winds 40 to 55 kt, becoming N 35 to 45 kt. Seas 22 to 37 ft. Scattered showers and tstms. .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 5 to 10 kt. Seas 11 to 19 ft. .SAT...NE winds 5 to 15 kt, becoming E. Seas 8 to 11 ft. .SAT NIGHT...S to SE winds 5 to 15 kt, becoming S 5 to 10 kt. Seas 6 to 9 ft. .SUN...S winds 5 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...S winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to 7 ft. .MON...S to SE winds 15 to 25 kt, becoming W to SW 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. $$ ANZ920-220300- Baltimore Canyon to 69W east of 1000 FM and south of 38.5N to 250 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...HURRICANE WARNING... .TODAY...E winds 45 to 60 kt, becoming E to NE 60 to 75 kt. Seas 17 to 32 ft, building to 28 to 43 ft. Showers and tstms. .TONIGHT...N winds 55 to 70 kt, becoming NW 35 to 50 kt. Seas 33 to 48 ft. Showers and tstms. .FRI...N to NW winds 25 to 35 kt, becoming N 20 to 30 kt. Seas 15 to 30 ft. Scattered showers and tstms. .FRI NIGHT...N to NE winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas 11 to 19 ft. .SAT...NE winds 10 to 15 kt, becoming E. Seas 8 to 13 ft. .SAT NIGHT...E to SE winds 5 to 15 kt, becoming S to SE. Seas 7 to 10 ft. .SUN...SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...S winds 15 to 25 kt. Seas 6 to 8 ft. .MON...S to SW winds 20 to 30 kt. Seas 5 to 8 ft. .MON NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. $$ ANZ905-220300- East of 69W to the Hague Line between 1000 FM and 39N- 1048 AM EDT Thu Aug 21 2025 ...HURRICANE WARNING... .TODAY...E winds 15 to 25 kt, increasing to 30 to 40 kt. Seas 13 to 22 ft. Showers and tstms. .TONIGHT...E winds 45 to 60 kt, becoming E to NE 60 to 75 kt. Seas 24 to 39 ft. Showers and tstms. .FRI...N winds 55 to 70 kt, becoming N to NW 35 to 45 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. Chance of showers. .SAT...N winds 10 to 20 kt, becoming E to NE 10 to 15 kt. Seas 9 to 15 ft. .SAT NIGHT...SE winds 5 to 10 kt. Seas 7 to 10 ft. .SUN...S to SE winds 5 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 4 to 7 ft. .MON...S to SE winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...S to SW winds 15 to 25 kt, becoming W 15 to 20 kt. Seas 5 to 7 ft. $$ ANZ910-220300- East of 69W and south of 39N to 250 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...HURRICANE WARNING... .TODAY...E to SE winds 35 to 45 kt, becoming E 65 to 80 kt. Seas 14 to 23 ft, building to 24 to 39 ft. Showers and tstms. .TONIGHT...E to SE winds 65 to 80 kt, becoming E to NE 65 to 75 kt. Seas 34 to 49 ft. Showers and tstms with vsby 1 nm or less. .FRI...NW winds 50 to 65 kt, becoming N to NW 25 to 35 kt. Seas 27 to 42 ft. Tstms, showers. .FRI NIGHT...N winds 20 to 30 kt. Seas 13 to 28 ft. Chance of showers. .SAT...NE winds 10 to 20 kt, becoming E to NE 10 to 15 kt. Seas 9 to 15 ft. .SAT NIGHT...E to SE winds 5 to 10 kt, becoming SE 5 to 15 kt. Seas 8 to 11 ft. .SUN...SE winds 5 to 15 kt, becoming S to SE 10 to 20 kt. Seas 7 to 9 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 8 ft. .MON...S winds 20 to 30 kt. Seas 5 to 8 ft. .MON NIGHT...SW winds 15 to 25 kt, becoming W. Seas 5 to 8 ft. $$ ANZ825-220300- Baltimore Canyon to Cape Charles Light to 100 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...NE winds 30 to 35 kt, becoming N. Seas 15 to 25 ft. Showers and tstms. .TONIGHT...N winds 20 to 30 kt. Seas 14 to 24 ft. Chance of showers. .FRI...N to NE winds 15 to 25 kt. Seas 11 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 to SE winds 5 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds 10 to 15 kt, becoming S 5 to 15 kt. Seas 5 to 8 ft. .SUN...S to SE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt, becoming E to NE. Seas 4 to 7 ft. .MON...N to NW winds 5 to 10 kt, becoming W to SW 5 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...W to SW winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas 3 to 5 ft. $$ ANZ828-220300- Cape Charles Light to Currituck Beach Light to 100 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...N winds 30 to 40 kt. Seas 15 to 30 ft. Showers and tstms. .TONIGHT...N winds 20 to 30 kt. Seas 14 to 23 ft. Chance of showers and tstms. .FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 10 to 17 ft. .FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 7 to 12 ft. .SAT...E winds 5 to 10 kt. Seas 6 to 10 ft. .SAT NIGHT...SE winds 5 to 15 kt, becoming S to SE 5 to 10 kt. Seas 5 to 9 ft. .SUN...SE winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...SE winds 15 to 25 kt, becoming W to SW 10 to 20 kt. Seas 4 to 8 ft. .MON...N to NW winds 5 to 15 kt, becoming S to SW. Seas 4 to 7 ft. .MON NIGHT...SW winds 10 to 20 kt, becoming W to NW. Seas 3 to 6 ft. $$ ANZ925-220300- Baltimore Canyon to Hatteras Canyon between 100 NM and 250 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...HURRICANE WARNING... .TODAY...W to SW winds 70 to 85 kt, becoming W to NW 65 to 80 kt. Seas 37 to 52 ft. Showers and tstms. .TONIGHT...W to NW winds 40 to 55 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 10 to 15 kt. Seas 10 to 17 ft. .SAT...E to NE winds 5 to 15 kt. Seas 8 to 12 ft. .SAT NIGHT...E to SE winds 5 to 15 kt. Seas 7 to 10 ft. .SUN...S to SE winds 5 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 15 to 25 kt, becoming S. Seas 6 to 8 ft. .MON...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 4 to 7 ft. $$ ANZ830-220300- Currituck Beach Light to Cape Hatteras to 100 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...N winds 30 to 40 kt. Seas 16 to 31 ft. Showers and tstms. .TONIGHT...N winds 20 to 30 kt. Seas 13 to 22 ft. Chance of showers and tstms. .FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 10 to 17 ft. .FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 8 to 12 ft. .SAT...E winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 7 to 10 ft. .SAT NIGHT...E to SE winds 5 to 10 kt. Seas 6 to 9 ft. .SUN...SE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...S to SE winds 10 to 20 kt, becoming W to SW. Seas 5 to 8 ft. .MON...NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas 3 to 6 ft. $$ ANZ833-220300- Cape Hatteras to Cape Fear to 100 NM Offshore.- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...N to NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 14 to 29 ft. Showers and tstms. .TONIGHT...N winds 20 to 30 kt. Seas 12 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. Chance of showers and tstms. .SAT...E winds 10 to 15 kt. Seas 5 to 9 ft. .SAT NIGHT...E winds 10 to 15 kt, becoming SE 5 to 15 kt. Seas 5 to 9 ft. .SUN...S to SE winds 10 to 20 kt. Seas 4 to 8 ft. .SUN NIGHT...S to SE winds 10 to 20 kt, becoming W to SW. Seas 4 to 7 ft. .MON...NW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. $$ ANZ930-220300- Hatteras Canyon to Cape Fear between 100 NM and 250 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...HURRICANE WARNING... .TODAY...W winds 45 to 60 kt, becoming W to NW 35 to 45 kt. Seas 34 to 49 ft. Showers and tstms. .TONIGHT...W to NW winds 25 to 35 kt, becoming N to NW 20 to 30 kt. Seas 13 to 28 ft. Scattered showers and chance of tstms. .FRI...N to NW winds 10 to 20 kt. Seas 11 to 19 ft. Chance of showers and tstms. .FRI NIGHT...N to NE winds 10 to 15 kt, becoming NE 5 to 10 kt. Seas 9 to 14 ft. Chance of showers and tstms. .SAT...E to NE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 5 to 15 kt, becoming SE. Seas 7 to 9 ft. .SUN...SE winds 10 to 20 kt. Seas 7 to 8 ft. .SUN NIGHT...S winds 10 to 20 kt, becoming SW 15 to 20 kt. Seas 6 to 8 ft. .MON...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. .MON NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. $$ ANZ835-220300- Cape Fear to 31N to 1000 FM- 1048 AM EDT Thu Aug 21 2025 .TODAY...NW winds 20 to 30 kt. Seas 12 to 21 ft. Chance of showers and slight chance of tstms. .TONIGHT...N to NW winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 9 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. Showers and tstms likely. .SAT...E winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to 9 ft. .SAT NIGHT...E to SE winds 10 to 20 kt. Seas 5 to 9 ft. .SUN...S to SE winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 4 to 8 ft. .SUN NIGHT...W winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas 4 to 7 ft. .MON...NW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas 4 to 7 ft. $$ ANZ935-220300- Cape Fear to 31N east of 1000 FM to 250 NM offshore- 1048 AM EDT Thu Aug 21 2025 ...TROPICAL STORM WARNING... .TODAY...W to NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 14 to 27 ft. Scattered showers and isolated tstms. .TONIGHT...W to NW winds 20 to 30 kt, becoming N to NW 10 to 20 kt. Seas 11 to 19 ft. Scattered showers and tstms. .FRI...N to NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 8 to 14 ft. Scattered showers and tstms. .FRI NIGHT...E to NE winds 10 to 15 kt. Seas 8 to 12 ft. Scattered showers and tstms. .SAT...E winds 5 to 15 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt, becoming SE 5 to 15 kt. Seas 7 to 9 ft. .SUN...S to SE winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 8 ft. .MON...W to SW winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to 8 ft. $$ .Forecaster Holley. Ocean Prediction Center.