843  
SXUS52 KCHS 180425  
OSOCHS  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1200 AM EDT TUE AUG 18 2026  
   
..DOWNTOWN CHARLESTON, EDISTO BECH AND HARBOR
 
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATERFRONT PRK N/A 88 82 82 SW5 29.79S HX 108  
EDISTO BEACH N/A 88 81 79 SW10 29.93F HX 105  
   
..LAKE MOULTRIE
 
 
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PINOPOLIS N/A 86 81 84 SW6 N/A HX 102  
   
..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 0348 240/ 5/ 8 1014.1F  
FORT PULASKI 0348 230/ 5/ 6 1014.3F  
SAPELO ISLAND 0400 87 240/ 7 1015.0  
WINYAH BAY 0400 85 260/ 6 1012.0  
LAKE MURRAY 0330 89 280/ 11/ 18 N/A  
ACE BASIN NERRS 0345 85 CALM 1013.0F  
 
   
..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 0400 86 85 220/ 12/ 14 1013.9  
BUOY 41008 0400 87 230/ 14/ 16 1014.0  
FOLLY BEACH CMAN 0410 87 230/ 7/ 11 1013.9  
PRITCHARDS ISLAN NOT AVBL  
CHAS PILOT BUOY 0308 87 210/ 16/ 19 1012.9  
CHAS PILOT WAVE 0345 86 N/A 3/ 4  
CAPERS NS BUOY 0308 86 220/ 14/ 16 1013.0F  
CAPERS NS WAVE 0258 85 N/A 4/26  
FRIPP NS BUOY 0308 89 88 210/ 16/ 21 1013.8F  
FRIPP NS WAVE 0320 87 N/A 2/ 4  
5E ST. MARYS GA 0356 85 N/A 2/ 8  
 
 
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 0400 85 86 230/ 12/ 14 1012.8  
BUOY 41025 0400 84 84 220/ 14/ 16 1011.7  
CAPE LOOKOUT NC 0410 85 230/ 7/ 12 1012.1  
BUOY 41002 0400 85 84 220/ 10/ 10 1014.9  
BUOY 41010 0400 86 86 220/ 10/ 12 1016.7  
ST AUGUSTINE FL 0400 84 270/ 8/ 10 1016.7F  
 

 
 
 
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