Point Forecast: 21NM NNE Altamaha Sound FL
 31.62N 81.12W (Elev. 0 ft)
Last Update: 8:32 am EDT Aug 19, 2026
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Wave Period (s)
Significant Wave Height
Freezing Spray

48-Hour Period Starting:       Back 2 Days  

Date08/1908/20
Hour (EDT)101112131415161718192021222300010203040506070809
Surface Wind (kt)433234788876443333333332
Wind DirWNWWWSWSWSSSSSESSSSSSWSSWSWSWWSWWSWWWWWWW
Gust
Significant Wave Height (ft) 222222222222222222222222
Wave Period (sec)

Date08/21
Hour (EDT)101112131415161718192021222300010203040506070809
Surface Wind (kt)223478910101098777665543333
Wind DirWSWSWSSESSESSESSESSESSESSESSESSSSSSWSSWSSWSSWSWSWSWSWSWSW
Gust
Significant Wave Height (ft) 111122222222222222222222
Wave Period (sec)

Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
Public Information StatementCoastal Waters Forecast
Offshore Waters ForecastBeach Forecast
Lake Moultrie ForecastNorth Charleston Daily Climate
Downtown Charleston Daily ClimateSavannah Daily Climate
Past Weather InformationWeather Briefing