428  
SXUS52 KCHS 202310  
OSOCHS  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE CHARLESTON SC  
700 PM EDT WED MAY 20 2026  
   
..DOWNTOWN CHARLESTON, EDISTO BECH AND HARBOR  
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATERFRONT PRK N/A 77 72 84 SE13 29.91S  
EDISTO BEACH N/A 79 68 69 SE12 30.10S  
   
..LAKE MOULTRIE  
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PINOPOLIS N/A 86 64 48 S6 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 2224 76 78 140/ 13/ 15 1018.5  
FORT PULASKI 2224 79 79 140/ 8/ 12 1018.1  
SAPELO ISLAND 2200 81 110/ 8 1018.0  
WINYAH BAY 2145 78 130/ 9 1018.0  
LAKE MURRAY 2220 92 250/ 1/ 3 N/A  
ACE BASIN NERRS 2145 81 130/ 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 2250 76 76 CALM / 2 1018.8R 3/ 9 3/120/ 9  
BUOY 41008 2250 77 100/ 8/ 10 1017.7F  
FOLLY BEACH CMAN NOT AVBL  
PRITCHARDS ISLAN NOT AVBL  
CHAS PILOT BUOY 2240 75 N/A  
CHAS PILOT WAVE 2240 75 N/A 2/ 9  
CAPERS NS BUOY 2208 76 78 130/ 12/ 14 1018.1F  
CAPERS NS WAVE 2230 77 N/A 2/ 9  
FRIPP NS BUOY 2208 77 77 140/ 8/ 12 1017.9F  
FRIPP NS WAVE 2220 78 N/A 2/ 9  
5E ST. MARYS GA 2256 79 N/A 2/10  
 
 
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 2250 76 77 90/ 8/ 10 1018.3F 3/ 9 3/110/ 9  
BUOY 41025 2250 78 80 180/ 16/ 17 1019.4F 3/ 9  
CAPE LOOKOUT NC 2250 76 160/ 7/ 9 1018.9F  
BUOY 41002 2250 74 75 130/ 12/ 16 1020.5R 5/ 9 3/120/ 9  
BUOY 41010 NOT AVBL  
ST AUGUSTINE FL 2300 79 120/ 11/ 13 1017.7R  
 
 
 
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