046
FZUS52 KCHS 201039
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
639 AM EDT Mon May 20 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

AMZ300-202315-
639 AM EDT Mon May 20 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will persist for most of this week. A series of
upper level disturbances should impact our area next weekend.

$$

AMZ330-202315-
Charleston Harbor-
639 AM EDT Mon May 20 2024

.TODAY...NE winds 10 to 15 kt with gusts to around 20 kt.
.TONIGHT...NE winds 10 to 15 kt.
.TUE...NE winds 10 to 15 kt.
.TUE NIGHT...E winds 5 to 10 kt.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon.
.WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...S winds 10 to 15 kt.
.FRI...SW winds 10 to 15 kt.
.FRI NIGHT...S winds 10 to 15 kt. A slight 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 75 degrees.

$$

AMZ350-202315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
639 AM EDT Mon May 20 2024

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

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

Winds and seas higher in and near tstms.

$$

AMZ352-202315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
639 AM EDT Mon May 20 2024

.TODAY...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: E 4
ft at 6 seconds and SE 1 foot at 9 seconds.
.TONIGHT...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 7 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to
2 to 3 ft after midnight. Wave Detail: E 3 ft at 7 seconds and SE
1 foot at 10 seconds.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 3 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft.
.FRI...SW winds 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-202315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
639 AM EDT Mon May 20 2024

.TODAY...NE winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft this afternoon. Wave Detail: NE 4 ft at 5 seconds and SE 1
foot at 5 seconds, becoming NE 4 ft at 6 seconds and E 1 foot at
10 seconds.
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 6 seconds and E 1 foot at 10 seconds.
.TUE...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 7 seconds.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to
2 to 3 ft after midnight. Wave Detail: E 4 ft at 7 seconds,
becoming E 3 ft at 7 seconds.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...SE winds 10 kt, becoming S after midnight. Seas
2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at
10 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI...S winds 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 ft.

$$

AMZ374-202315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
639 AM EDT Mon May 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

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

Winds and seas higher in and near tstms.

$$