747
FZUS52 KCHS 141813
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
213 PM EDT Mon Sep 14 2026

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

AMZ300-150815-
213 PM EDT Mon Sep 14 2026

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will push through the area early Tuesday morning as
inland high pressure builds into the Carolinas and Georgia. The
high will gradually weaken through the weekend as a trough of low
pressure approaches from the Atlantic.

$$

AMZ340-150815-
Charleston Harbor-
213 PM EDT Mon Sep 14 2026

.THIS AFTERNOON...SE winds 5 kt.
.TONIGHT...S winds 5 kt, becoming E 10 to 15 kt after midnight.
.TUE...NE winds 15 to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...E winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Waves 1 to 2 ft.
.WED...NE winds 10 to 15 kt with gusts to 20 kt.
.WED NIGHT...NE winds 10 to 15 kt.
.THU...NE winds 15 to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...NE winds 10 to 15 kt. A chance of showers with a
slight chance of tstms.
.FRI...NE winds 5 to 10 kt. A slight chance of showers and tstms.
.FRI NIGHT...SE winds 5 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 85 degrees.

$$

AMZ360-150815-
Coastal waters from South Santee River to Edisto Beach SC out
20 NM-
213 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
THURSDAY EVENING...

.THIS AFTERNOON...SE winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 9 seconds and S 1 foot at 3 seconds.
.TONIGHT...SE winds 5 kt, becoming E 15 to 20 kt after midnight.
Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at
4 seconds.
.TUE...NE winds 20 to 25 kt with gusts to 30 kt. Seas 3 to 4 ft,
building to 4 to 6 ft in the afternoon. Wave Detail: E 4 ft at
8 seconds and SE 1 foot at 3 seconds, becoming E 6 ft at
6 seconds. A slight chance of showers and tstms in the morning.
.TUE NIGHT...E winds 20 to 25 kt, becoming NE 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 6 seconds,
becoming E 5 ft at 7 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft,
building to 4 to 6 ft in the afternoon. Wave Detail: E 5 ft at
7 seconds, becoming E 5 ft at 6 seconds.
.WED NIGHT...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 5 ft
at 6 seconds, becoming E 5 ft at 7 seconds.
.THU...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
with a slight chance of tstms.
.FRI NIGHT...SE winds 5 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ362-150815-
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM-
213 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
THURSDAY EVENING...

.THIS AFTERNOON...SE winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 9 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SE winds 5 kt, becoming E 10 to 15 kt with gusts to
20 kt after midnight. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and SW 1 foot at 3 seconds.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt, increasing to 20
to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft
in the afternoon. Wave Detail: E 4 ft at 9 seconds, becoming E 6
ft at 6 seconds. A slight chance of tstms. A slight chance of
showers in the morning, then a chance of showers in the afternoon.
.TUE NIGHT...E winds 20 to 25 kt with gusts to 30 kt, becoming NE
15 to 20 kt after midnight. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 6 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft,
building to 4 to 6 ft in the afternoon. Wave Detail: E 5 ft at
7 seconds, becoming E 6 ft at 7 seconds.
.WED NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 5 to 6 ft, subsiding to 4 to 6 ft after
midnight. Wave Detail: E 6 ft at 7 seconds.
.THU...NE winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
showers and tstms.
.THU NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. A chance of
showers and tstms.
.FRI...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ364-150815-
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm,
including Grays Reef National Marine Sanctuary-
213 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.THIS AFTERNOON...E winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 9 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt, increasing to 20
to 25 kt in the afternoon. Seas 2 to 3 ft, building to 4 to 6 ft
in the afternoon. Wave Detail: E 3 ft at 9 seconds, becoming E 6
ft at 5 seconds. A chance of showers and tstms.
.TUE NIGHT...E winds 25 to 30 kt, becoming NE 20 to 25 kt after
midnight. Seas 5 to 7 ft. Wave Detail: E 7 ft at 6 seconds.
.WED...NE winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft.
Wave Detail: E 6 ft at 7 seconds. A slight chance of showers.
.WED NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 7 seconds.
.THU...NE winds 20 to 25 kt. Seas 5 to 6 ft. A chance of showers
with a slight chance of tstms.
.THU NIGHT...NE winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
showers and tstms.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. A 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.

Winds and seas higher in and near tstms.

$$

AMZ380-150815-
Waters from South Santee River SC to Edisto Beach SC extending
from 20 to 60 NM-
213 PM EDT Mon Sep 14 2026

.THIS AFTERNOON...N winds 5 kt, becoming E late. Seas 2 to 3 ft.
Wave Detail: SE 3 ft at 9 seconds and SW 1 foot at 4 seconds.
.TONIGHT...SE winds 5 kt, becoming NE 15 to 20 kt after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
4 seconds. A chance of showers and tstms after midnight.
.TUE...NE winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft,
building to 5 to 7 ft in the afternoon. Wave Detail: E 5 ft at
6 seconds and S 1 foot at 4 seconds, becoming E 7 ft at
7 seconds. A chance of showers with a slight chance of tstms in
the morning.
.TUE NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 6 to 7 ft, subsiding to 5 to 6 ft after
midnight. Wave Detail: NE 7 ft at 7 seconds, becoming NE 6 ft at
7 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft.
Wave Detail: NE 6 ft at 7 seconds.
.WED NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 5 to 6 ft. Wave Detail: NE 6 ft at
7 seconds.
.THU...NE winds 15 to 20 kt. Seas 5 to 6 ft. A chance of showers
with a slight chance of tstms.
.THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers and tstms.
.FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.FRI NIGHT...SE winds 5 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ382-150815-
Waters from Edisto Beach SC to Savannah GA extending from 20 to
60 NM-
213 PM EDT Mon Sep 14 2026

.THIS AFTERNOON...NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 9 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SE winds 5 kt, becoming E 10 to 15 kt with gusts to
20 kt after midnight. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and SW 1 foot at 3 seconds.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt, increasing to 20
to 25 kt in the afternoon. Seas 3 to 4 ft, building to 5 to 7 ft
in the afternoon. Wave Detail: E 4 ft at 9 seconds, becoming E 7
ft at 6 seconds. A chance of showers and tstms.
.TUE NIGHT...NE winds 20 to 25 kt with gusts to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 6 to 7 ft,
subsiding to 5 to 7 ft after midnight. Wave Detail: NE 7 ft at 7
seconds.
.WED...NE winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft,
building to 6 to 7 ft in the afternoon. Wave Detail: NE 6 ft at 7
seconds, becoming NE 7 ft at 7 seconds.
.WED NIGHT...NE winds 20 to 25 kt with gusts to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 6 to 7 ft,
subsiding to 5 to 6 ft after midnight. Wave Detail: NE 7 ft at 7
seconds, becoming NE 6 ft at 7 seconds.
.THU...NE winds 20 kt. Seas 5 to 6 ft. A chance of showers and
tstms.
.THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers and tstms.
.FRI...E winds 5 to 10 kt. Seas 3 to 4 ft. A 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.

Winds and seas higher in and near tstms.

$$

AMZ384-150815-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
213 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.THIS AFTERNOON...NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 9 seconds and SW 1 foot at 3 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds and S 1 foot at 3 seconds.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt, increasing to 20
to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft
in the afternoon. Wave Detail: E 4 ft at 9 seconds, becoming E 6
ft at 6 seconds. A chance of showers and tstms.
.TUE NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Seas 6 to
7 ft. Wave Detail: E 7 ft at 7 seconds.
.WED...NE winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft,
building to 6 to 7 ft in the afternoon. Wave Detail: NE 6 ft at 7
seconds. A slight chance of showers in the morning.
.WED NIGHT...NE winds 20 to 25 kt with gusts to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 6 to 7 ft. Wave
Detail: NE 7 ft at 7 seconds. A slight chance of showers.
.THU...NE winds 20 kt. Seas 6 ft. A chance of showers and tstms.
.THU NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely
with a chance of tstms.
.FRI...E winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.FRI NIGHT...E winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$