FZNT24 KWNM 200919 OFFN02 NAVTEX Marine Forecast for Mid-Atlantic states waters NWS Ocean Prediction Center Washington DC 519 AM EDT Wed Aug 20 2025 Conditions given represent the highest within that period. Locally higher winds and seas can be expected in and near tstms. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...Outer rain bands from Hurricane Erin will continue moving N through the S waters today. The center of Hurricane Erin is expected to move N into the outer S waters late this afternoon, then continue N and NE through the outer S and central waters tonight and Thu. It will then turn more NE and move through the Outer Mid- Atlantic Waters Thu night through Fri night. Significant S to SE swell today will continue through Fri night while gradually backing to the E. Another 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. For more information on Hurricane Erin, please closely monitor the latest forecasts from the National Hurricane Center. Sandy Hook to 37.5N ...TROPICAL STORM WARNING... .TODAY...E to SE winds 10 to 20 kt. Seas 8 to 14 ft. Scattered showers and tstms. .TONIGHT...E winds 25 to 35 kt. Seas 13 to 22 ft. Scattered showers and tstms. .THU...NE winds 40 to 55 kt. Seas 23 to 36 ft. Showers and tstms with vsby 1 nm or less. .THU NIGHT...N winds 35 to 50 kt. Seas 22 to 35 ft. Showers and tstms. .FRI...N winds 20 to 30 kt. Seas 14 to 24 ft. .FRI NIGHT...Variable winds 10 to 20 kt. Seas 10 to 17 ft. .SAT...S to SE winds 5 to 15 kt. Seas 8 to 12 ft. .SAT NIGHT...S to SE winds 5 to 15 kt. Seas 6 to 10 ft. .SUN...S winds 5 to 15 kt. Seas 5 to 8 ft. .SUN NIGHT...S winds 5 to 15 kt. Seas 5 to 8 ft. 37.5N to Cape Hatteras ...HURRICANE WARNING... .TODAY...E winds 25 to 35 kt. Seas 13 to 22 ft. Scattered showers and tstms. .TONIGHT...E winds 60 to 80 kt. Seas 32 to 47 ft. Showers and tstms with vsby 1 nm or less. .THU...N to NW winds 70 to 90 kt. Seas 37 to 52 ft. Showers and tstms with vsby 1 nm or less. .THU NIGHT...N winds 35 to 45 kt. Seas 20 to 34 ft. Scattered showers and tstms. .FRI...N winds 15 to 25 kt. Seas 13 to 22 ft. .FRI NIGHT...E to NE winds 5 to 15 kt. Seas 9 to 15 ft. .SAT...E winds 5 to 15 kt. Seas 8 to 13 ft. .SAT NIGHT...SE winds 5 to 15 kt. Seas 6 to 10 ft. .SUN...SE winds 5 to 15 kt. Seas 5 to 8 ft. .SUN NIGHT...S to SW winds 5 to 15 kt. Seas 5 to 8 ft. Cape Hatteras to Murrells Inlet ...HURRICANE WARNING... .TODAY...E to NE winds 45 to 60 kt. Seas 25 to 40 ft. Showers and tstms with vsby 1 nm or less. .TONIGHT...E to NE winds 75 to 90 kt. Seas 41 to 56 ft. Showers and tstms with vsby 1 nm or less. .THU...W to NW winds 65 to 85 kt. Seas 37 to 52 ft. Showers and tstms with vsby 1 nm or less. .THU NIGHT...N to NW winds 25 to 35 kt. Seas 15 to 26 ft. Scattered showers and tstms. .FRI...N winds 10 to 20 kt. Seas 11 to 19 ft. .FRI NIGHT...E to NE winds 5 to 15 kt. Seas 8 to 14 ft. .SAT...E winds 5 to 15 kt. Seas 8 to 11 ft. .SAT NIGHT...SE winds 5 to 15 kt. Seas 6 to 10 ft. .SUN...S to SE winds 5 to 10 kt. Seas 6 to 9 ft. .SUN NIGHT...SW winds 5 to 15 kt. Seas 5 to 8 ft.