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National Weather Service Marine Forecast FZUS52 KILM

FZUS52 KILM 121218
CWFILM

Coastal Waters Forecast
National Weather Service Wilmington NC
818 AM EDT Sat Sep 12 2026

Surf City NC to South Santee River SC out 60 NM

AMZ200-130115
818 AM EDT Sat Sep 12 2026

.Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 60 nautical miles... Warm and humid airmass will bring multiple waves of showers and thunderstorms this weekend. A cold front will move through Monday night, followed by breezy northeast winds and increased seas through Wednesday.


AMZ250-130115
Coastal waters from Surf City to Cape Fear NC out 20 nm
818 AM EDT Sat Sep 12 2026

REST OF TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms late this morning and afternoon.

TONIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.

SUN
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms, mainly in the morning.

SUN NIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms, mainly in the evening.

MON
W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the afternoon.

MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 5 seconds and S 2 ft at 5 seconds. A slight chance of showers and tstms.

TUE
NE winds 15 to 20 kt. Seas 4 to 5 ft.

TUE NIGHT
NE winds 15 to 20 kt. Seas 3 to 5 ft.

WED
NE winds 15 to 20 kt. Seas 3 to 5 ft.

WED NIGHT
NE winds 10 to 15 kt. Seas 3 to 5 ft.

Winds and seas higher in and near tstms.


AMZ252-130115
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM
818 AM EDT Sat Sep 12 2026

REST OF TODAY
SW winds 5 to 10 kt, becoming S late. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms late this morning and afternoon.

TONIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms after midnight.

SUN
SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms.

SUN NIGHT
SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms, mainly in the evening.

MON
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds.

MON NIGHT
E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SE 2 ft at 9 seconds and S 1 ft at 4 seconds, becoming NE 3 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

TUE
NE winds 15 to 20 kt. Seas 3 to 5 ft.

TUE NIGHT
NE winds 15 to 20 kt. Seas 3 to 5 ft.

WED
NE winds 15 to 20 kt. Seas 3 to 5 ft.

WED NIGHT
NE winds 10 to 15 kt. Seas 3 to 5 ft.

Winds and seas higher in and near tstms.


AMZ254-130115
Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM
818 AM EDT Sat Sep 12 2026

REST OF TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 ft at 4 seconds. A slight chance of showers and tstms this afternoon.

TONIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms after midnight.

SUN
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.

SUN NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the evening.

MON
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds.

MON NIGHT
SE winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

TUE
NE winds 15 to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
NE winds 15 to 20 kt. Seas 3 to 4 ft.

WED
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft.

WED NIGHT
NE winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.


AMZ256-130115
Coastal waters from Murrells Inlet to South Santee River SC out 20 NM
818 AM EDT Sat Sep 12 2026

REST OF TODAY
SW winds 5 to 10 kt, becoming S late. Seas 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms this afternoon.

TONIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms after midnight.

SUN
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

SUN NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the evening.

MON
W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 9 seconds.

MON NIGHT
SE winds 5 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 3 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

TUE
NE winds 15 to 20 kt. Seas 3 to 5 ft.

TUE NIGHT
NE winds 15 to 20 kt. Seas 3 to 5 ft.

WED
NE winds 15 to 20 kt. Seas 3 to 4 ft.

WED NIGHT
NE winds 10 to 15 kt. Seas 3 to 5 ft.

Winds and seas higher in and near tstms.


AMZ280-130115
Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM
818 AM EDT Sat Sep 12 2026

REST OF TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. Showers early this morning. A chance of tstms. A chance of showers this afternoon.

TONIGHT
SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.

SUN
SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms.

SUN NIGHT
SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms.

MON
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of tstms. A chance of showers, mainly in the morning.

MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: S 2 ft at 4 seconds and NE 2 ft at 4 seconds, becoming NE 5 ft at 6 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

TUE
NE winds 20 to 25 kt. Seas 5 to 7 ft.

TUE NIGHT
NE winds 15 to 20 kt. Seas 5 to 7 ft.

WED
NE winds 15 to 20 kt. Seas 5 to 7 ft.

WED NIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft.

Winds and seas higher in and near tstms.


AMZ284-130115
Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM
818 AM EDT Sat Sep 12 2026

REST OF TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. A chance of showers and tstms early this morning, then a slight chance of showers and tstms late.

TONIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of showers and tstms after midnight.

SUN
SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms in the morning.

SUN NIGHT
SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

MON
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms in the morning.

MON NIGHT
SE winds 5 to 10 kt, becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SE 2 ft at 9 seconds and E 1 ft at 4 seconds, becoming E 4 ft at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers and tstms.

TUE
NE winds 20 kt. Seas 5 to 6 ft.

TUE NIGHT
NE winds 15 to 20 kt. Seas 5 to 6 ft.

WED
NE winds 15 to 20 kt. Seas 5 to 6 ft.

WED NIGHT
NE winds 10 to 15 kt. Seas 5 to 6 ft.

Winds and seas higher in and near tstms.


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