FZUS52 KILM 211036 CWFILM Coastal Waters Forecast National Weather Service Wilmington NC 636 AM EDT Tue Apr 21 2026 Surf City NC to South Santee River SC out 60 NM AMZ200-212315- 636 AM EDT Tue Apr 21 2026 .Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 60 nautical miles... High pressure will slide overhead then offshore from the southeast coast by mid-week. Benign marine conditions forecasted for the upcoming week. $$ AMZ250-212315- Coastal waters from Surf City to Cape Fear NC out 20 nm- 636 AM EDT Tue Apr 21 2026 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and W 1 ft at 3 seconds. .TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 7 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. .THU...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at 9 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ252-212315- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM- 636 AM EDT Tue Apr 21 2026 .TODAY...NE winds 10 to 15 kt. Gusts up to 20 kt until late afternoon. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 7 seconds and W 1 ft at 3 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. .THU...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at 8 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Showers likely with a chance of tstms. Winds and seas higher in and near tstms. $$ AMZ254-212315- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM- 636 AM EDT Tue Apr 21 2026 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E late. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 6 seconds and SW 1 ft at 3 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds. .WED...SW winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 7 seconds. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 7 seconds. .THU...W winds 10 to 15 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 ft at 8 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the afternoon. .SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Showers likely. $$ AMZ256-212315- Coastal waters from Murrells Inlet to South Santee River SC out 20 NM- 636 AM EDT Tue Apr 21 2026 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E late. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 8 seconds and W 1 ft at 3 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds. .WED...S winds 5 to 10 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. .WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 7 seconds. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 ft at 8 seconds. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers in the evening, then showers likely after midnight. $$ AMZ280-212315- Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM- 636 AM EDT Tue Apr 21 2026 .TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 7 seconds. .TONIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 8 seconds. .WED...S winds 5 to 10 kt, becoming SW 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SW 2 ft at 3 seconds. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 4 seconds and E 3 ft at 8 seconds. .THU...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and E 2 ft at 8 seconds. .THU NIGHT...SW winds 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 9 seconds. .FRI...W winds 15 kt. Seas 4 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. .SAT...SW winds 15 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near tstms. $$ AMZ284-212315- Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM- 636 AM EDT Tue Apr 21 2026 .TODAY...NE winds 10 to 15 kt. Gusts up to 20 kt until late afternoon. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 8 seconds and W 1 ft at 3 seconds. .TONIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. .WED...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 4 ft at 8 seconds. .WED NIGHT...SW winds 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 3 seconds and E 3 ft at 8 seconds. .THU...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. .SAT...SW winds 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near tstms. $$