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FZUS52 KILM 201048
CWFILM

Coastal Waters Forecast
National Weather Service Wilmington NC
648 AM EDT Wed Aug 20 2025

Surf City NC to South Santee River SC out 20 NM

AMZ200-202315-
648 AM EDT Wed Aug 20 2025

.Synopsis for coastal waters from Surf City North Carolina to
South Santee River South Carolina out to 20 nautical miles...
Breezy northeast winds and rough seas are expected over the next
few days as Hurricane Erin passes offshore. Hazardous marine
conditions will continue through Thursday or Friday. A weak cold
front will then stall over or near the area through the weekend.

$$

AMZ250-202315-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
648 AM EDT Wed Aug 20 2025

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

.TODAY...NE winds 15 to 20 kt, increasing to 20 to 25 kt late.
Gusts up to 30 kt. Seas 6 to 9 ft, building to 8 to 11 ft this
afternoon. Wave Detail: SE 8 ft at 15 seconds, becoming SE 11 ft
at 16 seconds and NE 2 ft at 6 seconds. A slight chance of
showers and tstms early this morning. A slight chance of showers
early this afternoon, then a chance of showers with a slight
chance of tstms late.
.TONIGHT...N winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Seas 10 to 14 ft. Wave Detail: SE 14 ft at 15 seconds.
A slight chance of showers.
.THU...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to
13 ft, subsiding to 6 to 9 ft in the afternoon. Wave Detail: E
13 ft at 15 seconds and NW 1 ft at 5 seconds, becoming E 9 ft at
14 seconds and NW 1 ft at 5 seconds. A slight chance of showers.
A slight chance of tstms in the afternoon.
.THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 7 ft. Wave Detail: E 7 ft at 12 seconds and E 2 ft at
9 seconds. A slight chance of showers and tstms.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 13 seconds and SE 2 ft at
9 seconds. A slight chance of showers. A slight chance of tstms
in the afternoon.
.FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 13 seconds and SE 1 ft at 8 seconds.
.SAT...E winds 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers after midnight.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. A chance of showers. A chance of tstms in the
afternoon.
.SUN NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ252-202315-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 nm-
648 AM EDT Wed Aug 20 2025

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

.TODAY...NE winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: SE
10 ft at 16 seconds and NE 2 ft at 6 seconds. A slight chance of
showers and tstms early this morning. A slight chance of showers
early this afternoon, then a chance of showers with a slight
chance of tstms late.
.TONIGHT...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 slight chance of tstms in the evening. A slight
chance of showers.
.THU...N winds 20 to 25 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft, subsiding to 5 to
8 ft in the afternoon. Wave Detail: E 10 ft at 15 seconds and NW
4 ft at 5 seconds, becoming E 7 ft at 14 seconds and NW 4 ft at
5 seconds. A slight chance of showers and tstms in the afternoon.
.THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Wave Detail: E 6 ft at 14 seconds and NW 3 ft at
4 seconds. A chance of showers and tstms.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 12 seconds and SE 1 ft at 9 seconds. A slight chance of
showers and tstms.
.FRI NIGHT...E winds 10 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 13 seconds and SE 1 ft at 9 seconds.
.SAT...E winds 10 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...E winds 10 kt. Seas 2 to 4 ft. A chance of showers
and tstms.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 4 ft. A chance of showers. A chance of tstms in the
afternoon.
.SUN NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ254-202315-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
648 AM EDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft, building to 6 to 9 ft this afternoon. Wave Detail: SE 7 ft
at 15 seconds, becoming SE 9 ft at 16 seconds and NE 1 ft at
6 seconds. A slight chance of showers late.
.TONIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to
11 ft. Wave Detail: SE 11 ft at 16 seconds. A slight chance of
showers in the evening.
.THU...NW 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. Wave Detail: E 9 ft at 15 seconds and N 2 ft at
5 seconds, becoming E 7 ft at 14 seconds and N 2 ft at 5 seconds.
.THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 14 seconds and NW 2 ft at 5 seconds. A chance of showers
and tstms.
.FRI...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 12 seconds and E 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.
.FRI NIGHT...E winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 13 seconds and SE 2 ft at 9 seconds. A chance of tstms in the
evening. A chance of showers.
.SAT...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. A chance of showers and tstms.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. A chance of showers. A chance of tstms in the
afternoon.
.SUN NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ256-202315-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-
648 AM EDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TODAY...NE winds 20 to 25 kt. Seas 7 to 10 ft. Wave Detail: SE
10 ft at 16 seconds and E 2 ft at 6 seconds.
.TONIGHT...N winds 20 to 25 kt. Seas 8 to 11 ft. Wave Detail: SE
11 ft at 16 seconds.
.THU...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 7 to 10 ft, subsiding to 5 to 7 ft in the
afternoon. Wave Detail: E 10 ft at 15 seconds, becoming E 7 ft at
15 seconds.
.THU NIGHT...NW winds 10 kt, becoming NE after midnight. Seas
3 to 5 ft. Wave Detail: E 5 ft at 14 seconds. A chance of showers
and tstms.
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 12 seconds and SE 1 ft at 9 seconds. A chance of showers and
tstms.
.FRI NIGHT...E winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 12 seconds and SE 1 ft at 8 seconds. A chance of showers and
tstms.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. A chance of showers and tstms.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. A chance of showers and tstms.
.SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$