536
FZUS52 KCHS 050311
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
1111 PM EDT FRI JUL 4 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
AMZ300-051615-
1111 PM EDT FRI JUL 4 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A TROPICAL SYSTEM IS EXPECTED TO MOVE SLOWLY NORTH-NORTHWEST OFF
THE SOUTHEAST COAST TONIGHT, THEN MOVE NORTH TOWARD EASTERN SOUTH
CAROLINA SATURDAY INTO SUNDAY. HIGH PRESSURE WILL REBUILD NEXT
WEEK. REFER TO THE LATEST ADVISORY ON TROPICAL DEPRESSION THREE
ISSUED BY THE NATIONAL HURRICANE CENTER.
AMZ330-051615-
CHARLESTON HARBOR-
1111 PM EDT FRI JUL 4 2025
..TROPICAL STORM WATCH IN EFFECT
..SMALL CRAFT SHOULD REMAIN IN PORT
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. A CHANCE OF
SHOWERS AND TSTMS LATE THIS EVENING. A SLIGHT CHANCE OF SHOWERS
AND TSTMS LATE.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 15 TO 20 KT
WITH GUSTS TO 25 KT, INCREASING TO 25 TO 30 KT IN THE AFTERNOON.
WAVES 2 TO 4 FT. A CHANCE OF TSTMS IN THE MORNING. SHOWERS
LIKELY. TSTMS LIKELY IN THE AFTERNOON.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 25 TO
30 KT. WAVES 2 TO 4 FT. SHOWERS LIKELY. TSTMS LIKELY EARLY IN THE
EVENING, THEN A CHANCE OF TSTMS IN THE LATE EVENING AND
OVERNIGHT.
SUN
TROPICAL STORM CONDITIONS POSSIBLE. W WINDS 10 TO 15 KT
WITH GUSTS TO 20 KT, BECOMING SW 20 TO 25 KT WITH GUSTS TO 30 KT
IN THE AFTERNOON. WAVES 2 TO 3 FT. SHOWERS LIKELY. A CHANCE OF
TSTMS IN THE MORNING, THEN TSTMS LIKELY IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SHOWERS AND TSTMS LIKELY EARLY IN THE EVENING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE LATE EVENING AND EARLY
MORNING. A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
MON
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF TSTMS EARLY IN THE MORNING, THEN A CHANCE OF TSTMS IN THE LATE
MORNING AND AFTERNOON.
MON NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS
EARLY IN THE EVENING. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
TUE
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.
TUE NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS
EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
IN THE LATE EVENING AND OVERNIGHT.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
WED NIGHT
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS
UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
LATE.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 85 DEGREES.
AMZ350-051615-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
1111 PM EDT FRI JUL 4 2025
..TROPICAL STORM WATCH IN EFFECT
..SMALL CRAFT SHOULD REMAIN IN PORT
TONIGHT
TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 20 TO
25 KT, BECOMING NE 25 TO 30 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT.
WAVE DETAIL: E 5 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS EARLY THIS EVENING, THEN A CHANCE OF SHOWERS AND TSTMS LATE
THIS EVENING.
SAT
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 25 TO 30 KT.
SEAS 5 TO 6 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE
DETAIL: E 7 FT AT 8 SECONDS. SHOWERS WITH TSTMS LIKELY.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 25 TO
30 KT, INCREASING TO 30 TO 35 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT,
SUBSIDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT AT
8 SECONDS. SHOWERS WITH TSTMS LIKELY EARLY IN THE EVENING, THEN
SHOWERS WITH A CHANCE OF TSTMS IN THE LATE EVENING AND OVERNIGHT.
SUN
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 25 TO 30 KT
WITH GUSTS TO 40 KT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN
THE AFTERNOON. WAVE DETAIL: SE 6 FT AT 8 SECONDS. A CHANCE OF
TSTMS. SHOWERS LIKELY UNTIL LATE AFTERNOON, THEN A CHANCE OF
SHOWERS LATE.
SUN NIGHT
SW WINDS 25 TO 30 KT, DIMINISHING TO 10 TO 15 KT
WITH GUSTS TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 6 SECONDS. A
CHANCE OF SHOWERS AND TSTMS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS UNTIL LATE AFTERNOON,
THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS
AND TSTMS LATE.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF
TSTMS. A SLIGHT CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN A
CHANCE OF SHOWERS LATE.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-051615-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
1111 PM EDT FRI JUL 4 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
TONIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING NE
25 TO 30 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS
EVENING, THEN A CHANCE OF SHOWERS AND TSTMS LATE THIS EVENING.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 25 TO 30 KT.
SEAS 4 TO 5 FT, BUILDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE
DETAIL: E 6 FT AT 7 SECONDS. A CHANCE OF TSTMS.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. N WINDS 25 TO
30 KT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT.
WAVE DETAIL: E 6 FT AT 7 SECONDS. SHOWERS LIKELY. TSTMS LIKELY
EARLY IN THE EVENING, THEN A CHANCE OF TSTMS IN THE LATE EVENING
AND OVERNIGHT.
SUN
TROPICAL STORM CONDITIONS POSSIBLE. W WINDS 20 TO 25 KT
WITH GUSTS TO 30 KT, BECOMING SW 10 TO 15 KT IN THE AFTERNOON.
SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND W 3 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS. A CHANCE OF TSTMS IN THE
EVENING. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS AFTER
MIDNIGHT.
MON
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS
UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS AND TSTMS LATE.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF
SHOWERS AND TSTMS LATE.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-051615-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
1111 PM EDT FRI JUL 4 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND
TSTMS THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
AFTER MIDNIGHT. A CHANCE OF SHOWERS AND TSTMS LATE.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 25 TO 30 KT,
DIMINISHING TO 20 TO 25 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE
DETAIL: E 5 FT AT 7 SECONDS. A CHANCE OF TSTMS IN THE MORNING.
SHOWERS LIKELY. TSTMS LIKELY IN THE AFTERNOON.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. N WINDS 25 TO
30 KT, BECOMING NW 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NE 5 FT AT
7 SECONDS AND SE 2 FT AT 8 SECONDS. TSTMS LIKELY IN THE EVENING.
SHOWERS LIKELY. A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 7 SECONDS AND SE 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
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND S 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS
AND TSTMS EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS
AND TSTMS IN THE LATE EVENING AND EARLY MORNING.
MON
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE LATE
MORNING AND AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS UNTIL EARLY MORNING.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
TSTMS UNTIL EARLY MORNING. A SLIGHT CHANCE OF SHOWERS.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS IN THE MORNING. A SLIGHT CHANCE OF TSTMS LATE IN THE
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF
SHOWERS AND TSTMS LATE.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-051615-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
1111 PM EDT FRI JUL 4 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT LATE. SEAS 3
TO 4 FT, BUILDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT
AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 25 TO 30 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS. A CHANCE OF
TSTMS.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. N WINDS 25 TO
30 KT, BECOMING NW 15 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT.
WAVE DETAIL: E 4 FT AT 7 SECONDS AND NW 3 FT AT 4 SECONDS.
SHOWERS LIKELY. A CHANCE OF TSTMS UNTIL EARLY MORNING, THEN A
SLIGHT CHANCE OF TSTMS LATE.
SUN
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND NE 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS EARLY IN THE MORNING, THEN A SLIGHT CHANCE OF
TSTMS IN THE LATE MORNING AND AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND NW 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
SW WINDS 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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