309
FZUS52 KCHS 161953
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
353 PM EDT Mon Sep 16 2024

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

AMZ300-170830-
353 PM EDT Mon Sep 16 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Low pressure will shift inland across the Carolinas and weaken
tonight into mid week. High pressure should develop inland late
week into the weekend.

$$

AMZ330-170830-
Charleston Harbor-
353 PM EDT Mon Sep 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt, diminishing
to 5 kt late.
.TUE...SW winds 5 to 10 kt.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...SW winds 5 kt, becoming S in the afternoon.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. A
slight chance of showers and tstms.
.THU...NW winds 5 kt, becoming E in the afternoon. A slight
chance of showers and tstms in the afternoon.
.THU NIGHT...SE winds 5 kt, becoming N after midnight. A slight
chance of showers and tstms in the evening.
.FRI...NE winds 5 to 10 kt. A slight chance of showers and tstms.
.FRI NIGHT...NE winds 5 to 10 kt.
.SAT...NE winds 10 to 15 kt. A slight chance of showers and
tstms.
.SAT NIGHT...NE winds 10 to 15 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 77 degrees.

$$

AMZ350-170830-
Waters from South Santee River to Edisto Beach SC out 20 NM-
353 PM EDT Mon Sep 16 2024

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

.TONIGHT...W winds 15 to 20 kt, with gusts to 25 kt. Winds
diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft,
subsiding to 4 to 5 ft after midnight. Wave Detail: E 6 ft at 10
seconds and W 3 ft at 4 seconds, becoming E 5 ft at 10 seconds and
W 2 ft at 4 seconds.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and SW 2 ft at 4 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds and SW 2 ft at 3 seconds.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 1 foot at
3 seconds. A slight chance of showers and tstms.
.THU...NW winds 5 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds and SW 1 foot at
3 seconds. A slight chance of showers and tstms.
.THU NIGHT...SE winds 5 kt, becoming N after midnight. Seas 2 to
3 ft. A slight chance of showers and tstms.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.SAT NIGHT...NE winds 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-170830-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
353 PM EDT Mon Sep 16 2024

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

.TONIGHT...NW winds 15 to 20 kt, with gusts to 25 kt. Winds
becoming W 10 to 15 kt after midnight. Seas 4 to 6 ft, subsiding
to 4 to 5 ft after midnight. Wave Detail: E 6 ft at 10 seconds,
becoming E 5 ft at 10 seconds and W 2 ft at 3 seconds.
.TUE...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
10 seconds.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A slight chance of
showers and tstms.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A slight chance of
showers and tstms.
.THU...NW winds 5 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds. A slight chance of showers and tstms in the morning.
.THU NIGHT...SE winds 5 kt, becoming N after midnight. Seas 2 to
3 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-170830-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
353 PM EDT Mon Sep 16 2024

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

.TONIGHT...NW winds 10 to 15 kt, with gusts to 20 kt. Winds becoming
W late. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight.
Wave Detail: E 6 ft at 10 seconds, becoming E 5 ft at 10 seconds.
.TUE...W winds 10 kt, becoming SW in the afternoon. Seas 3 to
4 ft. Wave Detail: E 4 ft at 10 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A slight chance of
showers and tstms.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A slight chance of
showers and tstms.
.THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds. A slight chance of showers and tstms in the morning.
.THU NIGHT...S winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-170830-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
353 PM EDT Mon Sep 16 2024

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

.TONIGHT...NW winds 10 to 15 kt, becoming W late. Seas 5 to 7 ft.
Wave Detail: NE 7 ft at 10 seconds.
.TUE...W winds 5 to 10 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft
in the afternoon. Wave Detail: E 6 ft at 10 seconds, becoming E
5 ft at 10 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 10 seconds. A slight chance of showers and tstms after
midnight.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. A slight chance of
showers and tstms.
.WED NIGHT...S winds 5 kt, becoming SW after midnight. Seas 3 to
4 ft. Wave Detail: E 4 ft at 9 seconds. A chance of showers and
tstms.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and W 1 foot at
3 seconds. A chance of showers and tstms, mainly in the morning.
.THU NIGHT...E winds 5 kt, becoming NW after midnight. Seas 3 ft.
A slight chance of showers and tstms.
.FRI...N winds 10 kt. Seas 3 ft. A slight chance of showers and
tstms.
.FRI NIGHT...NE winds 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SAT...NE winds 15 kt. Seas 4 to 5 ft. A chance of showers with a
slight chance of tstms.
.SAT NIGHT...NE winds 15 kt. Seas 4 to 5 ft. A chance of showers
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$