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FZUS52 KILM 181028
CWFILM

Coastal Waters Forecast
National Weather Service Wilmington NC
628 AM EDT Tue Aug 18 2026

Surf City NC to South Santee River SC out 60 NM

AMZ200-182315-
628 AM EDT Tue Aug 18 2026

.Synopsis for coastal waters from Surf City North Carolina to
South Santee River South Carolina out to 60 nautical miles...
Benign marine conditions expected through the end of the week.
Predominantly SSW winds, outside of variable winds Wednesday as
front stalls near coast, and combination of SSW wind wave and SE
swell.

$$

AMZ250-182315-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
628 AM EDT Tue Aug 18 2026

.TODAY...SW winds 5 to 10 kt, becoming S late. 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 late.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 10 seconds. A slight chance of
showers and tstms in the evening.
.WED...NE winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 10 seconds.
.WED NIGHT...SE winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and S 1 ft at 5 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 8 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 5 seconds and SE 1 ft at 8 seconds. A slight chance of
showers and tstms after midnight.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with
a chance of tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ252-182315-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 NM-
628 AM EDT Tue Aug 18 2026

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 5 seconds and SE 2 ft at 10 seconds.
.WED...NE winds 5 kt, becoming SE in the afternoon. Seas 2 to
3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 10 seconds.
.WED NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and S 1 ft at 5 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and SE 2 ft at 8 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 1 ft at 8 seconds.
.FRI...SW winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ254-182315-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 NM-
628 AM EDT Tue Aug 18 2026

.TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 ft. Wave
Detail: S 2 ft at 4 seconds and SE 2 ft at 10 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
10 seconds.
.WED...NE winds 5 kt, becoming SE in the afternoon. Seas 2 ft.
Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 10 seconds.
.WED NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and S 1 ft at 5 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and SE 1 ft at 9 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and SE 1 ft at 8 seconds.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ256-182315-
Coastal waters from Murrells Inlet to South Santee River SC out
20 NM-
628 AM EDT Tue Aug 18 2026

.TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 10 seconds.
.WED...N winds 5 kt, becoming SE in the afternoon. Seas 2 to
3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 10 seconds.
.WED NIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and S 1 ft at 5 seconds.
.THU...S winds 5 kt, increasing to 10 kt in the afternoon. Seas
2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 ft at 9 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and SE 1 ft at 8 seconds.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ280-182315-
Waters from Surf City NC to Little River Inlet SC from 20 to
60 NM-
628 AM EDT Tue Aug 18 2026

.TODAY...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 9 seconds.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 ft. Wave Detail:
SW 2 ft at 5 seconds and SE 2 ft at 10 seconds.
.WED...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at
9 seconds.
.WED NIGHT...S 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.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
5 seconds and SE 2 ft at 8 seconds.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at
8 seconds. A slight chance of showers and tstms after midnight.
.FRI...SW winds 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.SAT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ284-182315-
Waters from Little River Inlet SC to South Santee River SC from
20 to 60 NM-
628 AM EDT Tue Aug 18 2026

.TODAY...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 9 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SW 2 ft
at 5 seconds and SE 2 ft at 10 seconds.
.WED...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at
10 seconds.
.WED NIGHT...S 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.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and SE 2 ft at 8 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 2 ft at 8 seconds.
.FRI...SW winds 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SAT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 10 to 15 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.

$$