562  
SXUS52 KCHS 211810  
OSOCHS  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE CHARLESTON SC  
200 PM EDT THU MAY 21 2026  
   
..DOWNTOWN CHARLESTON, EDISTO BECH AND HARBOR  
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATERFRONT PRK N/A 80 72 76 S12 29.93F  
EDISTO BEACH N/A 81 72 74 SE9 30.10S  
   
..LAKE MOULTRIE  
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PINOPOLIS N/A 81 72 74 NE7 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 1724 79 77 170/ 12/ 15 1019.0  
FORT PULASKI 1724 81 78 140/ 8/ 11 1018.4  
SAPELO ISLAND 1700 84 130/ 7 1018.0  
WINYAH BAY 1645 78 140/ 12 1019.0  
LAKE MURRAY 1720 86 150/ 2/ 3 N/A  
ACE BASIN NERRS 1645 86 110/ 3 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 1750 74 75 100/ 4/ 6 1019.4F 3/10 3/110/10  
BUOY 41008 1750 78 140/ 6/ 8 1018.3S  
FOLLY BEACH CMAN NOT AVBL  
PRITCHARDS ISLAN NOT AVBL  
CHAS PILOT BUOY 1740 75 N/A  
CHAS PILOT WAVE 1740 75 N/A 3/ 9  
CAPERS NS BUOY 1708 75 78 160/ 12/ 16 1018.8F  
CAPERS NS WAVE 1730 79 N/A 2/ 9  
FRIPP NS BUOY 1708 77 77 150/ 8/ 12 1018.5F  
FRIPP NS WAVE 1720 77 N/A 3/ 9  
5E ST. MARYS GA 1756 80 N/A 3/10 2/110/11  
 
 
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 1740 74 75 160/ 6/ 8 1019.9F  
BUOY 41025 1750 77 79 210/ 16/ 17 1019.2F 3/ 8  
CAPE LOOKOUT NC 1750 78 190/ 12/ 15 1019.0F  
BUOY 41002 1750 75 75 160/ 12/ 14 1021.3F 5/ 8 3/130/ 8  
BUOY 41010 NOT AVBL  
ST AUGUSTINE FL 1800 79 120/ 11/ 12 1018.3F  
 
 
 
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