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FZUS52 KILM 192316
CWFILM

Coastal Waters Forecast
National Weather Service Wilmington NC
716 PM EDT Tue Aug 19 2025

Surf City NC to South Santee River SC out 20 NM

AMZ200-201230-
716 PM EDT Tue Aug 19 2025

.Synopsis for coastal waters from Surf City North Carolina to
South Santee River South Carolina out to 20 nautical miles...
Northeast winds expected over the next few days in a pressure
gradient between high pressure to our north and Hurricane Erin
well offshore. A weak cold front will then stall over or near the
area through the weekend.

$$

AMZ250-201230-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
716 PM EDT Tue Aug 19 2025

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

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

Winds and seas higher in and near tstms.

$$

AMZ252-201230-
Coastal waters from Cape Fear NC to Little River Inlet SC out
20 nm-
716 PM EDT Tue Aug 19 2025

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

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

$$

AMZ254-201230-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
716 PM EDT Tue Aug 19 2025

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

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

Winds and seas higher in and near tstms.

$$

AMZ256-201230-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-
716 PM EDT Tue Aug 19 2025

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

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

$$