199
FZUS52 KCHS 020540
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1240 AM EST Tue Dec 2 2025

South Santee River SC to Savannah GA out 20 NM and Savannah GA to
Altamaha Sound GA out 60 NM, including Charleston Harbor and
Grays Reef National Marine Sanctuary

AMZ300-021800-
1240 AM EST Tue Dec 2 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A storm system will pass through the region late today bringing
much needed rainfall to coastal South Carolina and Georgia. High
pressure then returns for the middle of this week before the next
frontal system impacts the area Friday into the weekend.

$$

AMZ330-021800-
Charleston Harbor-
1240 AM EST Tue Dec 2 2025

.REST OF TONIGHT...NE winds 5 to 10 kt. Showers with a chance of
tstms. Vsby 1 to 3 NM late.
.TUE...W winds 5 to 10 kt. Showers with a slight chance of tstms.
Vsby 1 to 3 NM.
.TUE NIGHT...NW winds 5 to 10 kt, becoming N after midnight.
.WED...N winds 5 to 10 kt.
.WED NIGHT...N winds 5 kt.
.THU...NW winds 5 kt.
.THU NIGHT...N winds 5 kt. A chance of showers after midnight.
.FRI...NE winds 5 to 10 kt. Showers likely.
.FRI NIGHT...N winds 5 to 10 kt. Showers.
.SAT...NW winds 5 to 10 kt. Showers likely.
.SAT NIGHT...N winds 5 kt. A chance of showers.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 60 degrees.

$$

AMZ350-021800-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1240 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST EARLY THIS
MORNING THROUGH LATE TONIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 8 seconds. A chance of tstms. Showers. Vsby
1 to 3 NM.
.TUE...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: E 4 ft at
7 seconds, becoming SE 6 ft at 8 seconds and NE 2 ft at
5 seconds. Showers with a chance of tstms. Vsby 1 to 3 NM.
.TUE NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft, subsiding to
4 to 5 ft after midnight. Wave Detail: S 6 ft at 8 seconds,
becoming SE 4 ft at 8 seconds and NE 2 ft at 3 seconds.
.WED...NE winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: SE 3 ft at 8 seconds and NE 2 ft at
4 seconds, becoming NE 2 ft at 5 seconds and S 2 ft at 7 seconds.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and SE 2 ft at 8 seconds.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 11 seconds and NE 1 foot at 5 seconds.
.THU NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. A slight chance of showers in the evening, then a
chance of showers after midnight.
.FRI...NE winds 10 to 15 kt. Seas 3 ft. Showers likely.
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Showers.
.SAT...NW winds 10 kt. Seas 3 to 4 ft. Showers likely.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ352-021800-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1240 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 7 seconds. A chance of tstms. Showers, then a
chance of showers late. Vsby 1 to 3 NM.
.TUE...SW winds 15 to 20 kt, becoming W in the afternoon. Seas
4 to 5 ft, building to 4 to 6 ft in the afternoon. Wave Detail: E
4 ft at 8 seconds, becoming SE 5 ft at 8 seconds. Showers. A
chance of tstms, mainly in the morning. Vsby 1 to 3 NM.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 5 ft at 8 seconds,
becoming SE 4 ft at 8 seconds and NW 2 ft at 3 seconds.
.WED...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and NE 1 foot at 3 seconds.
.WED NIGHT...N winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds and NE 1 foot at 4 seconds.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 11 seconds and NE 1 foot at 5 seconds.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers in the evening, then a chance of showers after
midnight.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. Showers likely.
.FRI NIGHT...N winds 10 kt. Seas 3 ft. Showers likely.
.SAT...NW winds 10 kt. Seas 3 to 4 ft. Showers likely.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ354-021800-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1240 AM EST Tue Dec 2 2025

.REST OF TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: E 3 ft at 7 seconds. A chance of tstms. Showers likely,
then a chance of showers late. Vsby 1 to 3 NM.
.TUE...S winds 15 to 20 kt, becoming W in the afternoon. Seas
3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: E
4 ft at 7 seconds, becoming SE 4 ft at 7 seconds. Showers with a
chance of tstms in the morning, then a chance of showers with a
slight chance of tstms in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: SE 4 ft at 7 seconds and
NW 2 ft at 3 seconds, becoming SE 3 ft at 8 seconds and NW 2 ft
at 3 seconds.
.WED...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds and N 1 foot at 3 seconds.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds and NE 1 foot at 4 seconds.
.THU...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds and NE 1 foot at 5 seconds.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers in the evening, then a chance of showers after
midnight.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. A chance of showers.
.FRI NIGHT...N winds 10 kt. Seas 3 ft. Showers likely.
.SAT...NW winds 10 kt. Seas 3 ft. Showers likely.
.SAT NIGHT...N winds 10 kt. Seas 2 to 3 ft. A chance of showers.

Winds and seas higher in and near tstms.

$$

AMZ374-021800-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1240 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST EARLY THIS
MORNING THROUGH LATE TONIGHT...

.REST OF TONIGHT...E winds 10 to 15 kt, becoming SE with gusts to
20 kt late. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds. A
chance of tstms. Showers likely, then a chance of showers late.
Vsby 1 to 3 NM.
.TUE...SW winds 20 to 25 kt, becoming W in the afternoon. Gusts
to 35 kt. Seas 5 to 7 ft, building to 6 to 8 ft in the afternoon.
Wave Detail: E 6 ft at 7 seconds, becoming S 7 ft at 7 seconds
and E 6 ft at 8 seconds. A chance of tstms. Showers, mainly in
the morning. Vsby 1 to 3 NM.
.TUE NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: SE 5 ft at 8 seconds and W 3 ft at 4 seconds,
becoming SE 4 ft at 8 seconds and NW 3 ft at 4 seconds.
.WED...N winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft
in the afternoon. Wave Detail: SE 3 ft at 8 seconds and NW 2 ft
at 4 seconds, becoming SE 3 ft at 8 seconds and N 1 foot at
4 seconds.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 8 seconds and N 1 foot at 5 seconds.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
11 seconds and NE 2 ft at 5 seconds.
.THU NIGHT...N winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers.
.FRI...NE winds 10 kt. Seas 3 ft. A chance of showers.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers
likely.
.SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely.
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$