National Weather Service Marine Forecast FZUS52 KILM

FZUS52 KILM 310619
CWFILM

Coastal Waters Forecast
National Weather Service Wilmington NC
219 AM EDT Fri Jul 31 2026

Surf City NC to South Santee River SC out 60 NM

AMZ200-311915
219 AM EDT Fri Jul 31 2026

.Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 60 nautical miles... Weak high pressure will weaken and dissipate through tonight with light winds and seas persisting through Saturday. A frontal system will bring increased winds and seas for Sunday through Monday, along with scattered to numerous showers and thunderstorms.

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AMZ250-311915
Coastal waters from Surf City to Cape Fear NC out 20 nm
219 AM EDT Fri Jul 31 2026

REST OF TONIGHT
S winds 5 kt. Seas 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 ft at 10 seconds.

FRI
N winds 5 kt, becoming S in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 ft at 10 seconds.

FRI NIGHT
S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 ft at 9 seconds.

SAT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at 9 seconds.

SAT NIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 ft at 9 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of tstms after midnight.

SUN
S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 4 ft at 5 seconds and SE 1 ft at 8 seconds, becoming S 6 ft at 7 seconds. Showers with a chance of tstms.

SUN NIGHT
S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 6 ft. A chance of tstms. Showers.

MON
SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers with a chance of tstms.

MON NIGHT
SW winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms.

TUE
SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

TUE NIGHT
S winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms after midnight.

Winds and seas higher in and near tstms.

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AMZ252-311915
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM
219 AM EDT Fri Jul 31 2026

REST OF TONIGHT
S winds 5 kt, becoming NE 5 kt late. Seas 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 ft at 4 seconds.

FRI
NE winds 5 kt, becoming S in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 ft at 4 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds and S 1 ft at 3 seconds.

SAT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 6 seconds and SW 1 ft at 4 seconds.

SAT NIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds and SE 1 ft at 9 seconds. A chance of showers. A slight chance of tstms after midnight.

SUN
S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SE 1 ft at 8 seconds. Showers with a chance of tstms.

SUN NIGHT
S winds 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of tstms. Showers.

MON
SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers with a chance of tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 3 to 5 ft. Showers likely with a chance of tstms.

TUE
SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

TUE NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms after midnight.

Winds and seas higher in and near tstms.

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AMZ254-311915
Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM
219 AM EDT Fri Jul 31 2026

REST OF TONIGHT
W winds 5 kt. Seas 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 ft at 4 seconds.

FRI
NW winds 5 kt, becoming S in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 7 seconds and S 1 ft at 2 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at 10 seconds.

SAT
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 5 seconds and E 1 ft at 9 seconds.

SAT NIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and SE 1 ft at 9 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of tstms after midnight.

SUN
S 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 1 ft at 8 seconds. Showers with a chance of tstms.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of tstms. Showers.

MON
SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers. A chance of tstms in the morning, then tstms likely in the afternoon.

MON NIGHT
SW winds 10 to 15 kt. Seas 3 to 5 ft. Showers likely. Tstms likely, mainly in the evening.

TUE
SW winds 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

TUE NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

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AMZ256-311915
Coastal waters from Murrells Inlet to South Santee River SC out 20 NM
219 AM EDT Fri Jul 31 2026

REST OF TONIGHT
SW winds 5 kt. Seas 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 ft at 4 seconds.

FRI
N winds 5 kt, becoming SE in the afternoon. Seas 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 ft at 4 seconds.

FRI NIGHT
S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and NE 1 ft at 4 seconds.

SAT
SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 2 ft at 7 seconds.

SAT NIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 ft at 9 seconds. A chance of showers with a slight chance of tstms.

SUN
S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds and SE 1 ft at 9 seconds. Showers with a chance of tstms.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of tstms. Showers.

MON
SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers with a chance of tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

TUE
SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of tstms. Showers likely, mainly in the morning.

TUE NIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms after midnight.

Winds and seas higher in and near tstms.

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AMZ280-311915
Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM
219 AM EDT Fri Jul 31 2026

REST OF TONIGHT
NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and NW 1 ft at 4 seconds.

FRI
NE winds 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and NE 1 ft at 5 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E 1 ft at 5 seconds.

SAT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds and E 1 ft at 9 seconds.

SAT NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and SE 2 ft at 8 seconds. A slight chance of showers in the evening, then showers likely with a chance of tstms after midnight.

SUN
S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to 7 ft in the afternoon. Wave Detail: SE 5 ft at 7 seconds, becoming S 6 ft at 7 seconds. Showers with a chance of tstms.

SUN NIGHT
S winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Showers likely. A chance of tstms in the evening, then tstms likely after midnight.

MON
SW winds 15 to 20 kt. Seas 5 to 6 ft. Showers. Tstms likely, mainly in the morning.

MON 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.

TUE
SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

TUE NIGHT
S winds 10 kt. Seas 3 to 4 ft. A chance of showers and tstms after midnight.

Winds and seas higher in and near tstms.

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AMZ284-311915
Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM
219 AM EDT Fri Jul 31 2026

REST OF TONIGHT
NW winds 5 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 ft at 4 seconds.

FRI
N winds 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 ft at 4 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at 10 seconds.

SAT
SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 ft at 4 seconds.

SAT NIGHT
SE winds 10 to 15 kt, becoming S 15 to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers with a slight chance of tstms in the evening, then showers likely with a chance of tstms after midnight.

SUN
S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 7 seconds. Showers with a chance of tstms.

SUN NIGHT
S winds 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of tstms. Showers.

MON
SW winds 15 to 20 kt. Seas 5 to 6 ft. Showers with a chance of tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

TUE
SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

TUE NIGHT
S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms after midnight.

Winds and seas higher in and near tstms.