117
FZUS52 KILM 181045
CWFILM

Coastal Waters Forecast
National Weather Service Wilmington NC
645 AM EDT Mon Aug 18 2025

Surf City NC to South Santee River SC out 20 NM

AMZ200-182315-
645 AM EDT Mon Aug 18 2025

.Synopsis for coastal waters from Surf City North Carolina to
South Santee River South Carolina out to 20 nautical miles...
Light winds shift to the northeast later today behind a backdoor
cold front. Hurricane Erin will remain offshore between Bermuda
and the U.S. East Coast during the middle of this week. Increasing
long period swells will impact the waters during the upcoming
work week, with peak swells occurring mid-week.

$$

AMZ250-182315-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
645 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY EVENING...

.TODAY...NW winds 5 kt, becoming S this afternoon. Seas 2 to
4 ft. Wave Detail: SE 3 ft at 14 seconds and E 2 ft at 7 seconds.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
4 to 6 ft. Wave Detail: SE 6 ft at 17 seconds and E 2 ft at
6 seconds.
.TUE...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
9 ft. Wave Detail: SE 9 ft at 15 seconds and E 3 ft at 5 seconds.
A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.
.TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
7 to 10 ft. Wave Detail: SE 10 ft at 15 seconds and E 2 ft at
6 seconds. A slight chance of tstms. A chance of showers, mainly
in the evening.
.WED...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 9 to
13 ft. Wave Detail: SE 13 ft at 16 seconds and NE 2 ft at
6 seconds. A chance of showers. A slight chance of tstms in the
morning, then a chance of tstms in the afternoon.
.WED NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas
10 to 14 ft. Wave Detail: SE 14 ft at 16 seconds. A chance of
showers and tstms in the evening.
.THU...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 8 to 11 ft, subsiding to 6 to 9 ft in the
afternoon.
.THU NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms after midnight.

Winds and seas higher in and near tstms.

$$

AMZ252-182315-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 nm-
645 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY EVENING...

.TODAY...NW winds 5 kt, becoming S this afternoon. Seas 2 to
4 ft. Wave Detail: SE 3 ft at 15 seconds and E 2 ft at 7 seconds.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
4 to 6 ft. Wave Detail: SE 6 ft at 17 seconds and E 2 ft at
7 seconds.
.TUE...NE winds 15 to 20 kt. Seas 5 to 7 ft, building to 6 to
9 ft in the afternoon. Wave Detail: SE 7 ft at 17 seconds and E
1 ft at 6 seconds, becoming SE 9 ft at 15 seconds and E 1 ft at
5 seconds. A chance of showers. A slight chance of tstms in the
morning, then a chance of tstms in the afternoon.
.TUE NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail:
SE 10 ft at 16 seconds and E 2 ft at 7 seconds. A chance of
showers and tstms, mainly in the evening.
.WED...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to
11 ft. Wave Detail: SE 11 ft at 16 seconds and NE 3 ft at
7 seconds. A chance of showers. A slight chance of tstms in the
morning, then a chance of tstms in the afternoon.
.WED NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas
9 to 12 ft. Wave Detail: SE 12 ft at 16 seconds and N 2 ft at
5 seconds. A chance of showers and tstms in the evening.
.THU...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 7 to 10 ft, subsiding to 5 to 8 ft in the
afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers and tstms after midnight.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. A chance of tstms in
the morning. A chance of showers.
.FRI NIGHT...E winds 10 kt. Seas 2 to 4 ft. A chance of showers
and tstms after midnight.

Winds and seas higher in and near tstms.

$$

AMZ254-182315-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
645 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TODAY...NW winds 5 kt, becoming S this afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 15 seconds and SE 2 ft at
9 seconds.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
3 to 5 ft. Wave Detail: SE 5 ft at 17 seconds and E 1 ft at
7 seconds.
.TUE...NE winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: SE 7 ft
at 16 seconds and E 3 ft at 5 seconds. A slight chance of showers
in the morning, then a chance of showers and tstms in the
afternoon.
.TUE NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 5 to 8 ft. Wave Detail: SE 8 ft at
16 seconds and E 3 ft at 6 seconds. A chance of showers and
tstms, mainly in the evening.
.WED...N winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail: SE
10 ft at 16 seconds and NE 2 ft at 7 seconds. A slight chance of
showers and tstms in the morning, then a chance of showers and
tstms in the afternoon.
.WED NIGHT...N winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail:
SE 10 ft at 16 seconds. A chance of showers and tstms in the
evening.
.THU...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers after midnight.
.FRI...E winds 10 kt. Seas 2 to 4 ft. A chance of showers. A
chance of tstms in the afternoon.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ256-182315-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-
645 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TODAY...N winds 5 kt, becoming SE this afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 15 seconds and E 2 ft at 7 seconds.
.TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas
3 to 5 ft. Wave Detail: SE 5 ft at 17 seconds and E 2 ft at
7 seconds.
.TUE...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft. Wave Detail: SE 8 ft at 16 seconds and E 3 ft at 5 seconds.
A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.
.TUE NIGHT...NE winds 20 to 25 kt. Seas 6 to 9 ft. Wave Detail:
SE 8 ft at 15 seconds and E 5 ft at 6 seconds. A chance of
showers and tstms, mainly in the evening.
.WED...N winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to
10 ft. Wave Detail: SE 10 ft at 16 seconds and E 5 ft at
7 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.WED NIGHT...N winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail:
SE 10 ft at 16 seconds. A chance of showers and tstms in the
evening.
.THU...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 6 to 9 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft, subsiding to
4 to 5 ft after midnight. A chance of showers and tstms after
midnight.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers
and tstms.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$