Station List

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 032320
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
620 PM EST Tue Mar 3 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

AMZ300-041300
620 PM EST Tue Mar 3 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 rest of the week.

AMZ330-041300
Charleston Harbor
620 PM EST Tue Mar 3 2026

TONIGHT
E winds 5 kt this evening, becoming light and variable. Areas of dense fog after midnight.

WED
Variable winds 5 kt. Areas of dense fog.

WED NIGHT
SE winds 5 kt.

THU
SE winds 5 kt.

THU NIGHT
S winds 5 kt.

FRI
S winds 5 kt.

FRI NIGHT
S winds 5 kt.

SAT
S winds 5 to 10 kt.

SAT NIGHT
S winds 5 kt.

SUN
SW winds 5 to 10 kt. A slight chance of showers.

SUN NIGHT
SW winds 5 to 10 kt. A slight chance of showers.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 56 degrees.

AMZ350-041300
Waters from South Santee River to Edisto Beach SC out 20 NM
620 PM EST Tue Mar 3 2026

TONIGHT
NE winds 5 to 10 kt, diminishing to 5 kt after midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. Areas of dense fog late this evening.

WED
Variable winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. Areas of dense fog.

WED NIGHT
SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.

THU
SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.

THU NIGHT
S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 10 seconds. A slight chance of showers after midnight.

FRI
S winds 5 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 10 seconds.

FRI NIGHT
S winds 5 kt. Seas 3 to 4 ft.

SAT
S winds 5 to 10 kt. Seas 3 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers.

SUN
SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers.

SUN NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers.

AMZ352-041300
Waters from Edisto Beach SC to Savannah GA out 20 NM
620 PM EST Tue Mar 3 2026

TONIGHT
NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. Areas of dense fog late this evening.

WED
NE winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. Areas of dense fog.

WED NIGHT
SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.

THU
SE winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.

THU 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 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 kt. Seas 3 to 4 ft.

SAT
S winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers.

SAT NIGHT
S winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers.

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 slight chance of showers.

AMZ354-041300
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
620 PM EST Tue Mar 3 2026

DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST WEDNESDAY

TONIGHT
NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds. Areas of dense fog.

WED
NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. Areas of dense fog.

WED NIGHT
E winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.

THU
E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.

THU NIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. A slight chance of showers after midnight.

FRI
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds.

FRI NIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft.

SAT
SE winds 5 to 10 kt. Seas 3 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers.

SUN
S winds 10 to 15 kt. Seas 3 ft. A slight chance of showers.

SUN NIGHT
S winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers.

AMZ374-041300
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
620 PM EST Tue Mar 3 2026

DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST WEDNESDAY

TONIGHT
E winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 4 ft at 8 seconds and NE 3 ft at 7 seconds. Areas of dense fog.

WED
NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds and NE 3 ft at 7 seconds. Areas of dense fog.

WED NIGHT
E winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds.

THU
SE winds 5 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds.

THU NIGHT
SE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds. A slight chance of showers.

FRI
SE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 10 seconds.

FRI NIGHT
SE winds 5 to 10 kt. Seas 4 ft.

SAT
SE winds 5 to 10 kt. Seas 4 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas 4 to 5 ft. A slight chance of showers.

SUN
S winds 5 to 10 kt. Seas 4 ft.

SUN NIGHT
S winds 10 to 15 kt. Seas 4 ft. A slight chance of showers.