802  
SXUS52 KCHS 211010  
OSOCHS  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE CHARLESTON SC  
600 AM EDT THU MAY 21 2026  
   
..DOWNTOWN CHARLESTON, EDISTO BECH AND HARBOR
 
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATERFRONT PRK N/A 74 71 90 CALM 29.92R  
EDISTO BEACH N/A 75 70 83 SW5 30.10R  
   
..LAKE MOULTRIE
 
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PINOPOLIS N/A 70 70 100 CALM N/A  
   
..LAKE AND SUPPLEMENTAL COASTAL OBSERVATIONS
 
 
 
STATION/POSITION TIME TEMP WIND PRES WAVE SWELL  
AIR SEA DIR/SP/G HT/PER HT/PER/DIR  
(UTC) (F) (DEG/KT/KT) (MB) (FT/S) (FT/S/D)  
CHRLSTN HARBOR 0930 73 77 260/ 2/ 3 1018.5R  
FORT PULASKI 0930 74 78 260/ 3/ 4 1017.9S  
SAPELO ISLAND 0900 72 CALM 1018.0  
WINYAH BAY 0845 71 330/ 2 1017.0  
LAKE MURRAY 0920 72 210/ 8/ 10 N/A  
ACE BASIN NERRS 0845 71 CALM 1018.0  
 
   
..C-MAN AND BUOY OBSERVATIONS
 
 
 
STATION/POSITION TIME TEMP WIND PRES WAVE SWELL  
AIR SEA DIR/SP/G HT/PER HT/PER/DIR  
(UTC) (F) (DEG/KT/KT) (MB) (FT/S) (FT/S/D)  
BUOY 41004 0950 76 75 240/ 4/ 4 1018.6R 3/ 9 3/130/ 9  
BUOY 41008 0950 76 210/ 4/ 4 1017.5R  
FOLLY BEACH CMAN NOT AVBL  
PRITCHARDS ISLAN NOT AVBL  
CHAS PILOT BUOY 0940 74 N/A  
CHAS PILOT WAVE 0940 74 N/A 2/ 7  
CAPERS NS BUOY 0908 75 77 230/ 8/ 10 1017.7R  
CAPERS NS WAVE 0930 76 N/A 2/ 9  
FRIPP NS BUOY 0908 76 76 230/ 6/ 8 1017.7R  
FRIPP NS WAVE 0920 76 N/A 2/ 9  
5E ST. MARYS GA 0956 78 N/A 3/10  
 
 
STATION/POSITION TIME TEMP WIND PRES WAVE SWELL  
AIR SEA DIR/SP/G HT/PER HT/PER/DIR  
(UTC) (F) (DEG/KT/KT) (MB) (FT/S) (FT/S/D)  
FRYING PAN BUOY 0950 74 75 230/ 2/ 4 1018.7R 3/10 3/140/10  
BUOY 41025 0950 78 79 190/ 17/ 21 1019.2R 5/10  
CAPE LOOKOUT NC 0950 73 170/ 13/ 15 1017.8F  
BUOY 41002 0950 74 75 160/ 14/ 16 1020.9R 5/ 9 3/130/ 9  
BUOY 41010 NOT AVBL  
ST AUGUSTINE FL 1000 75 190/ 4/ 4 1017.5R  
 

 
 
 
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