271
FZUS52 KCHS 012205
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
605 PM EDT Mon Sep 1 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

AMZ300-021115-
605 PM EDT Mon Sep 1 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the area through late week. A
cold front will approach from the northwest late in the weekend.

$$

AMZ330-021115-
Charleston Harbor-
605 PM EDT Mon Sep 1 2025

.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt, then 10 to 15
kt late.
.TUE...NE winds 10 to 15 kt.
.TUE NIGHT...NE winds 5 to 10 kt.
.WED...NE winds 5 to 10 kt.
.WED NIGHT...E winds 5 to 10 kt.
.THU...NE winds 5 kt, becoming SE in the afternoon.
.THU NIGHT...S winds 5 to 10 kt.
.FRI...SW winds 5 to 10 kt.
.FRI NIGHT...S winds 5 to 10 kt.
.SAT...SW winds 5 to 10 kt.
.SAT NIGHT...S winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 80 degrees.

$$

AMZ350-021115-
Waters from South Santee River to Edisto Beach SC out 20 NM-
605 PM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: E 6 ft
at 8 seconds, becoming E 5 ft at 8 seconds. A slight chance of
showers and tstms after midnight.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 7 seconds. A slight chance of showers and
tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 7 seconds,
becoming E 4 ft at 8 seconds. A slight chance of showers.
.WED...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.SAT...SW winds 5 to 10 kt. Seas 2 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-021115-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
605 PM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 8 seconds and NE 4 ft at 5 seconds.
A slight chance of showers after midnight. A slight chance of
showers and tstms late.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 8 seconds. A slight chance of showers. A
slight chance of tstms in the afternoon.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 4 ft at 7 seconds. A
slight chance of showers and tstms.
.WED...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds. A slight chance of showers in the morning.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A slight chance of showers and tstms after
midnight.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds. A slight chance of showers and tstms.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 5 to 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.SAT...SW winds 5 to 10 kt. Seas 2 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-021115-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
605 PM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt late
this evening. Seas 4 to 6 ft, subsiding to 4 to 5 ft after
midnight. Wave Detail: NE 5 ft at 5 seconds, becoming E 5 ft at
8 seconds.
.TUE...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 8 seconds. A slight chance of showers and tstms.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 7 seconds,
becoming E 4 ft at 7 seconds.
.WED...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds. A slight chance of showers and tstms.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A slight chance of showers and tstms.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds. A slight chance of showers and tstms.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms in the evening.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft.
.SAT...SW winds 5 to 10 kt. Seas 2 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-021115-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
605 PM EDT Mon Sep 1 2025

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

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

Winds and seas higher in and near tstms.

$$