Coastal Waters Forecast
Issued by NWS Wilmington, NC
Issued by NWS Wilmington, NC
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237 FZUS52 KILM 212204 CWFILM Coastal Waters Forecast National Weather Service Wilmington NC 604 PM EDT Mon Sep 21 2026 Surf City NC to South Santee River SC out 60 NM AMZ200-221115- 604 PM EDT Mon Sep 21 2026 .Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 60 nautical miles... A weak pressure pattern will keep winds and seas low until a cold front moves through Tuesday night. Strong high pressure behind the front will bring deteriorating marine weather conditions. Large seas may linger through Saturday. $$ AMZ250-221115- Coastal waters from Surf City to Cape Fear NC out 20 nm- 604 PM EDT Mon Sep 21 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms late this evening and early morning. A chance of showers with a slight chance of tstms late. .TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds. Showers likely with a chance of tstms. .TUE NIGHT...NE winds 15 kt with gusts up to 20 kt. Seas 3 ft. Wave Detail: E 3 ft at 7 seconds. A chance of showers with a slight chance of tstms. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 6 seconds and E 1 ft at 12 seconds. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon. .WED NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NE 5 ft at 5 seconds and E 1 ft at 10 seconds. Showers likely with a chance of tstms in the evening, then a chance of showers with a slight chance of tstms after midnight. .THU...N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: NE 6 ft at 7 seconds and E 4 ft at 12 seconds. A chance of showers with a slight chance of tstms. .THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 8 ft. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$ AMZ252-221115- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM- 604 PM EDT Mon Sep 21 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 ft at 8 seconds. A slight chance of showers and tstms after midnight. A chance of showers with a slight chance of tstms late. .TUE...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 ft at 8 seconds. Showers likely with a chance of tstms. .TUE NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. A chance of showers with a slight chance of tstms. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 7 seconds and E 1 ft at 14 seconds. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon. .WED NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 4 seconds and SE 1 ft at 9 seconds. Showers likely with a chance of tstms in the evening, then a chance of showers with a slight chance of tstms after midnight. .THU...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 5 seconds and E 2 ft at 11 seconds. A chance of showers with a slight chance of tstms. .THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ AMZ254-221115- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM- 604 PM EDT Mon Sep 21 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds. A slight chance of showers and tstms after midnight. A chance of showers with a slight chance of tstms late. .TUE...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 2 ft at 8 seconds. A slight chance of tstms. Showers likely, mainly in the morning. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. A chance of showers with a slight chance of tstms. .WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds. A chance of showers with a slight chance of tstms. .WED NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and SE 1 ft at 9 seconds. A chance of showers with a slight chance of tstms. .THU...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and SE 1 ft at 8 seconds. A chance of showers with a slight chance of tstms. .THU NIGHT...N winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. $$ AMZ256-221115- Coastal waters from Murrells Inlet to South Santee River SC out 20 NM- 604 PM EDT Mon Sep 21 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 ft at 8 seconds. A slight chance of showers and tstms after midnight. A chance of showers with a slight chance of tstms late. .TUE...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 ft at 8 seconds. Showers likely with a chance of tstms in the morning, then a chance of showers with a slight chance of tstms in the afternoon. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 ft at 8 seconds. A chance of showers with a slight chance of tstms in the evening, then showers likely with a chance of tstms after midnight. .WED...NE winds 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and E 1 ft at 9 seconds. A chance of showers with a slight chance of tstms. .WED NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 6 seconds and E 1 ft at 13 seconds. A chance of showers with a slight chance of tstms. .THU...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: NE 5 ft at 6 seconds and E 1 ft at 12 seconds. A chance of showers with a slight chance of tstms. .THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. $$ AMZ280-221115- Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM- 604 PM EDT Mon Sep 21 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 ft at 8 seconds. A slight chance of tstms this evening. A chance of showers. A chance of tstms after midnight. .TUE...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and E 3 ft at 8 seconds. A chance of tstms. Showers likely. .TUE NIGHT...NE winds 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds. A chance of showers with a slight chance of tstms in the evening, then showers likely with a chance of tstms after midnight. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft at 6 seconds and E 1 ft at 14 seconds. Showers likely with a chance of tstms. .WED NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, building to 7 to 8 ft after midnight. Wave Detail: NE 6 ft at 6 seconds and E 2 ft at 13 seconds, becoming NE 7 ft at 7 seconds and NE 7 ft at 11 seconds. Showers with tstms likely in the evening, then showers likely with a chance of tstms after midnight. .THU...N winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to 11 ft. Wave Detail: NE 10 ft at 12 seconds and NE 7 ft at 7 seconds. Showers likely with a chance of tstms. .THU NIGHT...N winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 12 ft. A chance of showers and tstms in the evening. .FRI...N winds 20 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 5 to 8 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Winds and seas higher in and near tstms. $$ AMZ284-221115- Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM- 604 PM EDT Mon Sep 21 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms this evening. Showers likely with a chance of tstms after midnight. .TUE...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 2 ft at 8 seconds. A slight chance of tstms. Showers, mainly in the morning. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 2 ft at 8 seconds. A chance of showers with a slight chance of tstms in the evening, then showers likely with a chance of tstms after midnight. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 6 seconds and SE 1 ft at 9 seconds. Showers likely with a chance of tstms. .WED NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: NE 6 ft at 6 seconds and SE 1 ft at 9 seconds. Showers likely with a chance of tstms. .THU...N winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. Wave Detail: NE 7 ft at 7 seconds and NE 3 ft at 11 seconds. A chance of showers with a slight chance of tstms. .THU NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft. A chance of showers in the evening. .FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 7 to 10 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 8 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. $$ TRA