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FZUS52 KCHS 021119
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
619 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

AMZ300-030000-
619 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.

$$

AMZ330-030000-
Charleston Harbor-
619 AM EST Tue Dec 2 2025

.TODAY...NW winds 5 to 10 kt, becoming W late this morning and
early afternoon, then becoming NW late. Showers with a slight
chance of tstms until late afternoon, then a slight chance of
showers late. Vsby 1 to 3 NM until late afternoon.
.TONIGHT...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 58 degrees.

$$

AMZ350-030000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
619 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...NW winds 10 to 15 kt, becoming SW 15 to 20 kt with gusts
to 25 kt late this morning and early afternoon, then becoming NW
with gusts to 20 kt late. Seas 4 to 5 ft, building to 5 to 7 ft
this 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 until late afternoon.
.TONIGHT...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. Wave Detail: SE 3 ft at 10 seconds and NE 1 foot at
4 seconds. 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.

$$

AMZ352-030000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
619 AM EST Tue Dec 2 2025

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

.TODAY...W winds 10 to 15 kt, becoming SW 15 to 20 kt with gusts
to 25 kt late this morning and early afternoon, then becoming NW
10 to 15 kt with gusts to 20 kt late. Seas 4 to 5 ft, building to
4 to 6 ft this afternoon. Wave Detail: E 4 ft at 8 seconds,
becoming SE 5 ft at 8 seconds. A chance of tstms this morning.
Showers. A slight chance of tstms this afternoon. Vsby 1 to 3 NM
until late afternoon.
.TONIGHT...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. Wave Detail: SE
3 ft at 11 seconds and NE 1 foot at 5 seconds. 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.

$$

AMZ354-030000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
619 AM EST Tue Dec 2 2025

.TODAY...S winds 10 to 15 kt, becoming SW 15 to 20 kt late this
morning and early afternoon, then becoming NW late. Seas 3 to
4 ft, building to 4 to 5 ft this afternoon. Wave Detail: E 4 ft
at 7 seconds, becoming SE 4 ft at 7 seconds. Showers with a
chance of tstms this morning, then a chance of showers with a
slight chance of tstms this afternoon. Vsby 1 to 3 NM until late
afternoon.
.TONIGHT...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. Wave Detail: E
2 ft at 11 seconds and NE 1 foot at 5 seconds. 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.

$$

AMZ374-030000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
619 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt with gusts to 25 kt, increasing to
20 to 25 kt with gusts to 35 kt late this morning and early
afternoon, then becoming W 15 to 20 kt with gusts to 25 kt late.
Seas 5 to 7 ft, building to 6 to 8 ft this afternoon. Wave
Detail: E 6 ft at 7 seconds, becoming S 7 ft at 7 seconds and E
6 ft at 8 seconds. Showers this morning. A chance of tstms. A
chance of showers this afternoon. Vsby 1 to 3 NM until late
afternoon.
.TONIGHT...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. Wave Detail: E 3 ft
at 10 seconds and NE 2 ft at 5 seconds. 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.

$$