Bull Island North, SC Coastal Forecast

FZUS52 KCHS 252153
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
553 PM EDT Wed Jun 25 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

AMZ300-261015-
553 PM EDT Wed Jun 25 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A hot and humid air mass will remain across the region through
the rest of the week into early next week. A slow moving cold
front may push over the region by the middle of next week.

$$

AMZ330-261015-
Charleston Harbor-
553 PM EDT Wed Jun 25 2025

...SEVERE THUNDERSTORM WATCH 459 IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt late this
evening. Showers and tstms likely late this evening. Some tstms
may be severe with damaging winds and large hail.
.THU...S winds 5 to 10 kt. A slight chance of showers and tstms
in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms.
.FRI...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.SAT...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.SUN...SW winds 5 to 10 kt. A chance of showers and tstms.
.SUN NIGHT...S winds 5 to 10 kt. A slight chance of showers and
tstms.
.MON...S winds 10 to 15 kt. A chance of showers and tstms.
.MON NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 86 degrees.

$$

AMZ350-261015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
553 PM EDT Wed Jun 25 2025

...SEVERE THUNDERSTORM WATCH 459 IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt late.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
9 seconds. Showers and tstms likely late this evening. Some tstms
may be severe with damaging winds and large hail.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds.
.THU NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and S 2 ft at 5 seconds. A slight chance of showers
and tstms in the evening, then a chance of showers and tstms
after midnight.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.MON...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-261015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
553 PM EDT Wed Jun 25 2025

.TONIGHT...S winds 10 to 15 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. Showers
and tstms likely from late this evening through early morning. Some
tstms may produce damaging winds and large hail.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 8 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 9 seconds. A slight chance of showers and tstms in the
evening, then a chance of showers and tstms after midnight.
.FRI...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and SE 2 ft at 9 seconds. A chance of showers and
tstms, mainly in the morning.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds and S 2 ft at 5 seconds. A chance of showers
and tstms.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-261015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
553 PM EDT Wed Jun 25 2025

.TONIGHT...S winds 10 to 15 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds.
Showers and tstms likely after midnight. A chance of showers and
tstms late. Some tstms may be severe with damaging winds and
large hail.
.THU...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds.
A slight chance of showers and tstms in the afternoon.
.THU NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds. A slight chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
5 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms in the morning, then a chance of showers and tstms in
the afternoon.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and SE 2 ft at 5 seconds. A chance of showers and
tstms.
.SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 8 seconds. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-261015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
553 PM EDT Wed Jun 25 2025

.TONIGHT...S winds 10 to 15 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds. A
slight chance of showers and tstms after midnight. A chance of
showers and tstms late.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds. A slight chance of showers and tstms in the
evening, then a chance of showers and tstms after midnight.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and SE 2 ft at 5 seconds. A chance of showers and
tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds. A chance of showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds. A chance of showers and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 3 ft. A chance of showers and
tstms.
.SUN...SW winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.
.SUN NIGHT...S winds 10 kt. Seas 3 ft. A chance of showers and
tstms.
.MON...S winds 10 kt. Seas 3 ft. A chance of showers and tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$