Callawassie Island Bridge, SC - Colleton River Coastal Forecast

FZUS52 KCHS 051130
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
629 AM EST Thu Mar 5 2026

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

AMZ300-060100-
629 AM EST Thu Mar 5 2026

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A broad area of high pressure will prevail over the waters
through the weekend.

$$

AMZ330-060100-
Charleston Harbor-
629 AM EST Thu Mar 5 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

.TODAY...Light and variable winds, becoming S 5 kt late this
morning. Widespread dense fog early this morning, then patchy fog
late this morning. Vsby 1 NM or less early this morning.
.TONIGHT...S winds 5 kt. Patchy fog after midnight.
.FRI...S winds 5 kt, increasing to 5 to 10 kt in the afternoon.
Patchy fog in the morning.
.FRI NIGHT...SE winds 5 kt.
.SAT...S winds 5 kt, increasing to 10 kt in the afternoon.
.SAT NIGHT...S winds 5 to 10 kt.
.SUN...SW winds 10 kt. A slight chance of showers.
.SUN NIGHT...S winds 10 kt. A chance of showers with a slight
chance of tstms.
.MON...SW winds 5 to 10 kt. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt. A slight chance of showers.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 56 degrees.

$$

AMZ350-060100-
Waters from South Santee River to Edisto Beach SC out 20 NM-
629 AM EST Thu Mar 5 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

.TODAY...S winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
9 seconds. Widespread dense fog early this morning, then
widespread fog late this morning. Patchy fog early this
afternoon. Vsby 1 NM or less early this morning.
.TONIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 10 seconds. Patchy fog after midnight.
.FRI...S winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
10 seconds.
.FRI NIGHT...SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 10 seconds. A slight chance of showers after midnight.
.SAT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 10 seconds.
.SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 10 seconds.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SUN NIGHT...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.MON...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance
of showers.

Winds and seas higher in and near tstms.

$$

AMZ352-060100-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
629 AM EST Thu Mar 5 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

.TODAY...SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds. Widespread dense fog early this morning, then areas of
fog late this morning and early afternoon. Vsby 1 NM or less
early this morning.
.TONIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds. Patchy fog after midnight.
.FRI...SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
10 seconds.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 10 seconds. A slight chance of showers.
.SAT...SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at
10 seconds.
.SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 10 seconds.
.SUN...SW winds 10 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.MON NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance
of showers.

$$

AMZ354-060100-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
629 AM EST Thu Mar 5 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

.TODAY...SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
9 seconds. Widespread dense fog early this morning, then areas of
fog late this morning. Patchy fog early this afternoon. Vsby 1 NM
or less early this morning.
.TONIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds. Patchy fog after midnight.
.FRI...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
10 seconds. Patchy fog in the morning.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 10 seconds. A slight chance of showers after midnight.
.SAT...SE winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
10 seconds.
.SAT NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft
at 10 seconds.
.SUN...S winds 5 to 10 kt. Seas 3 ft. A slight chance of showers.
.SUN NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers.
.MON...S winds 5 to 10 kt. Seas 3 ft. A slight chance of showers.
.MON NIGHT...S winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers.

$$

AMZ374-060100-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
629 AM EST Thu Mar 5 2026

.TODAY...SE winds 5 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at
9 seconds. Areas of fog early this morning, then patchy fog late
this morning and early afternoon. Vsby 1 NM or less early this
morning.
.TONIGHT...SE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 9 seconds.
.FRI...SE winds 5 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at
10 seconds.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 4 ft. Wave Detail: E 4 ft
at 10 seconds. A slight chance of showers.
.SAT...SE winds 5 to 10 kt. Seas 4 ft. Wave Detail: E 4 ft at
10 seconds. A slight chance of showers in the morning.
.SAT NIGHT...S winds 5 to 10 kt. Seas 4 ft. Wave Detail: E 4 ft
at 10 seconds.
.SUN...S winds 10 kt. Seas 4 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 ft. A chance of showers.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of
showers.
.MON NIGHT...S winds 10 kt. Seas 4 ft. A slight chance of
showers.

$$