742
FZUS52 KCHS 181930
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
330 PM EDT Sat May 18 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

AMZ300-190815-
330 PM EDT Sat May 18 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Unsettled weather continues ahead of a cold front that will cross
the area later Sunday. High pressure then dominates through much
of the coming week, with another storm system potentially
impacting the area late week.

$$

AMZ330-190815-
Charleston Harbor-
330 PM EDT Sat May 18 2024

.TONIGHT...SW winds 5 to 10 kt. A chance of showers with a slight
chance of tstms.
.SUN...NW winds 5 to 10 kt. A chance of showers with a slight
chance of tstms in the morning, then showers likely with a chance
of tstms in the afternoon.
.SUN NIGHT...NE winds 10 kt. A chance of showers and tstms,
mainly in the evening.
.MON...NE winds 10 to 15 kt. A slight chance of showers and tstms
in the morning.
.MON NIGHT...NE winds 10 kt.
.TUE...NE winds 10 kt.
.TUE NIGHT...E winds 5 to 10 kt.
.WED...E winds 5 to 10 kt.
.WED NIGHT...S winds 5 to 10 kt.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...SW winds 5 to 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 77 degrees.

$$

AMZ350-190815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
330 PM EDT Sat May 18 2024

.TONIGHT...SW winds 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 1
foot at 9 seconds. A chance of showers with a slight chance of
tstms.
.SUN...NW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW 2 ft at
4 seconds and E 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.SUN NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after
midnight. Wave Detail: NE 3 ft at 8 seconds and S 2 ft at
5 seconds, becoming NE 3 ft at 5 seconds and S 1 foot at
5 seconds. A chance of showers and tstms in the evening, then a
chance of showers with a slight chance of tstms after midnight.
.MON...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 6 seconds and S 1 foot at 5 seconds. A slight chance of tstms.
A slight chance of showers.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds and S 1 foot at 6 seconds.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 7 seconds.
.TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 10 kt. Seas 2 ft.
.THU...SW winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 ft. A slight chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ352-190815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
330 PM EDT Sat May 18 2024

.TONIGHT...SW winds 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1
foot at 9 seconds. A chance of showers with a slight chance of
tstms.
.SUN...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE
1 foot at 8 seconds. A chance of showers with a slight chance of
tstms in the morning, then showers likely with a chance of tstms
in the afternoon.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
NE 3 ft at 5 seconds and SW 2 ft at 5 seconds. A chance of
showers and tstms in the evening, then a chance of showers with a
slight chance of tstms after midnight.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and
S 1 foot at 5 seconds. A slight chance of showers and tstms.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 10 kt. Seas 2 ft.
.THU...SW winds 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-190815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
330 PM EDT Sat May 18 2024

.TONIGHT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: SW 2 ft
at 4 seconds and E 1 foot at 9 seconds. A chance of showers with
a slight chance of tstms.
.SUN...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W 2 ft at
4 seconds and E 1 foot at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.SUN NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 5 seconds and SW 2 ft at 5 seconds. A chance of showers
and tstms in the evening, then a chance of showers with a slight
chance of tstms after midnight.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and
SE 1 foot at 5 seconds. A slight chance of showers and tstms.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 6 seconds.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 8 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft.
.THU...S winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-190815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
330 PM EDT Sat May 18 2024

.TONIGHT...SW winds 10 kt, becoming W 10 to 15 kt late. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds.
A slight chance of tstms.
.SUN...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and E
2 ft at 8 seconds. A chance of showers. A slight chance of tstms
in the morning, then a chance of tstms in the afternoon.
.SUN NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
Wave Detail: W 2 ft at 5 seconds and E 2 ft at 8 seconds,
becoming NE 3 ft at 8 seconds and S 2 ft at 5 seconds. Showers
likely with a chance of tstms in the evening, then a chance of
showers with a slight chance of tstms after midnight.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft
at 5 seconds and S 1 foot at 6 seconds. A slight chance of tstms.
A chance of showers, mainly in the morning.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 5 ft at 7 seconds and SE 1 foot at 6 seconds. A slight chance
of showers and tstms.
.TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft
at 8 seconds. A slight chance of showers and tstms in the
morning.
.TUE NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...NE winds 5 to 10 kt. Seas 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 ft.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$