


Coastal Waters Forecast
Issued by NWS Wilmington, NC
Issued by NWS Wilmington, NC
249 FZUS52 KILM 220021 CWFILM Coastal Waters Forecast National Weather Service Wilmington NC 821 PM EDT Thu Aug 21 2025 Surf City NC to South Santee River SC out 20 NM AMZ200-221330- 821 PM EDT Thu Aug 21 2025 .Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 20 nautical miles... Breezy northeast winds and rough seas are expected to continue today as Hurricane Erin passes offshore. A weak cold front will then stall over or near the area through the weekend. $$ AMZ250-221330- Coastal waters from Surf City to Cape Fear NC out 20 nm- 821 PM EDT Thu Aug 21 2025 .TONIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 12 seconds and E 1 ft at 5 seconds. A slight chance of tstms this evening. A slight chance of showers. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 12 seconds and SE 1 ft at 9 seconds. A slight chance of showers. .FRI NIGHT...E winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 12 seconds and SE 1 ft at 8 seconds. A slight chance of showers and tstms. .SAT...E winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 12 seconds and SE 1 ft at 7 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of tstms in the afternoon. .SAT NIGHT...E winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 13 seconds and SE 2 ft at 6 seconds. A chance of showers and tstms. .SUN...E winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and E 3 ft at 13 seconds. A chance of tstms. Showers likely. .SUN NIGHT...NE winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of tstms in the evening. A chance of showers. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. A chance of showers and tstms in the afternoon. .MON NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to 4 ft. A chance of showers and tstms. .TUE...N winds 10 kt, becoming NE in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ252-221330- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm- 821 PM EDT Thu Aug 21 2025 .TONIGHT...N winds 5 to 10 kt, becoming NE 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at 13 seconds. A chance of showers. A chance of tstms, mainly this evening. .FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 10 seconds. A slight chance of showers and tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 12 seconds and SE 1 ft at 9 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. .SAT...E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 12 seconds and SE 2 ft at 8 seconds. A chance of showers. A chance of tstms, mainly in the morning. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 12 seconds and SE 2 ft at 6 seconds. A chance of tstms. A chance of showers in the evening, then showers likely after midnight. .SUN...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 13 seconds and E 2 ft at 5 seconds. A chance of tstms. Showers likely, mainly in the morning. .SUN NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of showers and tstms. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. A chance of showers and tstms. .MON NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to 4 ft. A chance of showers and tstms. .TUE...N winds 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ254-221330- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 nm- 821 PM EDT Thu Aug 21 2025 .TONIGHT...N winds 5 to 10 kt, becoming NE 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 4 ft at 13 seconds. A chance of tstms this evening. A chance of showers. A slight chance of tstms after midnight. .FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 12 seconds and E 2 ft at 4 seconds. A chance of showers and tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 12 seconds and E 2 ft at 6 seconds. A chance of showers and tstms. .SAT...E winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at 12 seconds. A chance of showers and tstms. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and E 2 ft at 12 seconds. A chance of showers and tstms. .SUN...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and E 1 ft at 12 seconds. A chance of tstms. Showers likely, mainly in the morning. .SUN NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. A chance of tstms in the evening. A chance of showers. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 ft. A chance of showers and tstms in the afternoon. .MON NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to 3 ft. A chance of showers and tstms in the evening. .TUE...N winds 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ256-221330- Coastal waters from Murrells Inlet to South Santee River SC out 20 nm- 821 PM EDT Thu Aug 21 2025 .TONIGHT...N winds 5 to 10 kt, becoming NE late this evening and overnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 13 seconds. A chance of tstms. A chance of showers. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 12 seconds and E 2 ft at 7 seconds. A chance of showers and tstms. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at 11 seconds. A chance of showers and tstms. .SAT...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at 12 seconds. A chance of tstms. A chance of showers in the morning, then showers likely in the afternoon. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E 2 ft at 12 seconds. Showers likely with a chance of tstms. .SUN...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 12 seconds and E 2 ft at 5 seconds. Showers likely with a chance of tstms. .SUN NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. A chance of showers and tstms. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 ft. A chance of showers and tstms. .MON NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to 3 ft. A chance of showers and tstms in the evening. .TUE...N winds 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$