FZUS52 KILM 120116 CWFILM Coastal Waters Forecast National Weather Service Wilmington NC 916 PM EDT Wed Mar 11 2026 Surf City NC to South Santee River SC out 20 NM AMZ200-121430- 916 PM EDT Wed Mar 11 2026 .Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 20 nautical miles... Winds increase tonight ahead of a strong cold front that will move through Thursday afternoon. Hazardous marine conditions are expected on Thursday due to strong winds, increasing seas, and a brief period of showers and thunderstorms. Offshore flow on Thursday night will become onshore flow this weekend. Sea fog chances return late this weekend. $$ AMZ250-121430- Coastal waters from Surf City to Cape Fear NC out 20 nm- 916 PM EDT Wed Mar 11 2026 ...GALE WARNING IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds. .THU...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and SE 2 ft at 9 seconds. A slight chance of tstms. A slight chance of showers in the morning, then showers in the afternoon. .THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and SE 4 ft at 7 seconds. A chance of showers, mainly in the evening. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt, becoming SE 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 6 seconds and S 2 ft at 7 seconds. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and E 2 ft at 9 seconds. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds. .SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SE winds 10 to 15 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. A chance of showers and tstms. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 5 to 7 ft. A chance of tstms. Showers. .MON...SW winds 20 to 25 kt. Seas 6 to 8 ft. A chance of tstms. Showers. .MON NIGHT...W winds 20 to 25 kt, becoming NW after midnight. Seas 5 to 7 ft. Showers likely, mainly in the evening. Winds and seas higher in and near tstms. $$ AMZ252-121430- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm- 916 PM EDT Wed Mar 11 2026 ...GALE WARNING IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds. .THU...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 6 ft at 7 seconds and SE 2 ft at 9 seconds. A slight chance of tstms. A slight chance of showers in the morning, then showers in the afternoon. .THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 7 seconds and E 3 ft at 8 seconds. A chance of showers, mainly in the evening. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 6 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and E 1 ft at 3 seconds. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SE winds 10 to 15 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. A chance of tstms. A chance of showers in the morning, then showers likely in the afternoon. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 5 to 7 ft. A chance of tstms. Showers. .MON...SW winds 20 to 25 kt. Seas 6 to 8 ft. Showers with a chance of tstms in the morning, then showers likely in the afternoon. .MON NIGHT...W winds 20 to 25 kt, becoming NW after midnight. Seas 5 to 8 ft, subsiding to 4 to 6 ft after midnight. A chance of showers. Winds and seas higher in and near tstms. $$ AMZ254-121430- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 nm- 916 PM EDT Wed Mar 11 2026 ...GALE WARNING IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds. .THU...SW winds 20 kt with gusts up to 25 kt, becoming W 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and SE 2 ft at 9 seconds. A slight chance of showers in the morning, then showers with a slight chance of tstms in the afternoon. .THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and SE 3 ft at 8 seconds. A slight chance of showers. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 8 seconds. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt. Seas 2 ft. .SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. A chance of showers and tstms. .SUN NIGHT...S winds 10 to 15 kt, increasing to 20 to 25 kt after midnight. Seas 5 to 7 ft. Showers likely with a chance of tstms. .MON...SW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of tstms in the morning. Showers likely. .MON NIGHT...W winds 20 to 25 kt, becoming NW 25 to 30 kt after midnight. Seas 5 to 7 ft. Showers likely, mainly in the evening. Winds and seas higher in and near tstms. $$ AMZ256-121430- Coastal waters from Murrells Inlet to South Santee River SC out 20 nm- 916 PM EDT Wed Mar 11 2026 ...GALE WARNING IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds. .THU...SW winds 20 kt with gusts up to 25 kt, becoming W 25 to 30 kt with gusts up to 35 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and SE 2 ft at 9 seconds. A slight chance of tstms. A slight chance of showers in the morning, then showers in the afternoon. .THU NIGHT...N winds 25 to 30 kt with gusts up to 35 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and E 4 ft at 8 seconds. A slight chance of showers. .FRI...NE winds 15 to 20 kt, becoming E 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and SE 1 ft at 7 seconds. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and E 1 ft at 4 seconds. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SUN NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 5 to 7 ft. Showers likely with a chance of tstms. .MON...SW winds 20 to 25 kt. Seas 5 to 7 ft. A chance of tstms in the morning. Showers likely. .MON NIGHT...W winds 25 to 30 kt, becoming NW after midnight. Seas 4 to 6 ft. A chance of showers. Winds and seas higher in and near tstms. $$