National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

For More Weather Information:

Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 20 to 23 km/h decreasing to 16 to 19 km/h after midnight. A slight chance of showers and thunderstorms before 10pm. Seas around 1 m.

      SW 23km/h⇓
      1m

    • Monday

      Monday:SW wind 13 to 18 km/h becoming S 19 to 24 km/h in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas around 1 m.

      ⇑S 24km/h
      1m

    • Monday Night

      Monday Night:SSW wind 24 to 29 km/h decreasing to 14 to 19 km/h. A slight chance of showers and thunderstorms before 8pm. Seas around 1 m.

      SSW 29km/h⇓
      1m

    • Tuesday

      Tuesday:WSW wind 11 to 14 km/h becoming S 15 to 18 km/h in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 1 m.

      ⇑S 18km/h
      1m

    • Tuesday Night

      Tuesday Night:SSW wind 14 to 18 km/h. A chance of showers and thunderstorms, mainly before 8pm. Seas around 1 m.

      SSW 18km/h
      1m

    • Wednesday

      Wednesday:SW wind 11 to 16 km/h becoming S 16 to 21 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas around 1 m.

      ⇑S 21km/h
      1m

    • Wednesday Night

      Wednesday Night:SSW wind 20 to 23 km/h decreasing to 16 to 19 km/h after midnight. A chance of showers and thunderstorms, mainly before 8pm. Seas around 1 m.

      SSW 23km/h⇓
      1m

    • Thursday

      Thursday:SW wind 13 to 18 km/h becoming S 18 to 23 km/h in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 m.

      ⇑S 23km/h
      1m

    • Thursday Night

      Thursday Night:S wind 20 to 23 km/h becoming SW 14 to 17 km/h after midnight. A chance of showers and thunderstorms before 2am. Seas around 1 m.

      S 23km/h⇓
      1m


Associated Zone Forecast which includes this point

Last Update: 7:40 pm EDT Jul 6, 2025
Forecast Valid: 9pm EDT Jul 6, 2025-6pm EDT Jul 13, 2025

View Nearby Observations

Detailed Forecast


Tonight
SW wind 20 to 23 km/h decreasing to 16 to 19 km/h after midnight. A slight chance of showers and thunderstorms before 10pm. Seas around 1 m.
Monday
SW wind 13 to 18 km/h becoming S 19 to 24 km/h in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas around 1 m.
Monday Night
SSW wind 24 to 29 km/h decreasing to 14 to 19 km/h. A slight chance of showers and thunderstorms before 8pm. Seas around 1 m.
Tuesday
WSW wind 11 to 14 km/h becoming S 15 to 18 km/h in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 1 m.
Tuesday Night
SSW wind 14 to 18 km/h. A chance of showers and thunderstorms, mainly before 8pm. Seas around 1 m.
Wednesday
SW wind 11 to 16 km/h becoming S 16 to 21 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas around 1 m.
Wednesday Night
SSW wind 20 to 23 km/h decreasing to 16 to 19 km/h after midnight. A chance of showers and thunderstorms, mainly before 8pm. Seas around 1 m.
Thursday
SW wind 13 to 18 km/h becoming S 18 to 23 km/h in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 m.
Thursday Night
S wind 20 to 23 km/h becoming SW 14 to 17 km/h after midnight. A chance of showers and thunderstorms before 2am. Seas around 1 m.

Winds and seas higher in and near tstms.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 31.62°N 81.12°W
Last Update: 7:40 pm EDT Jul 6, 2025
Forecast Valid: 9pm EDT Jul 6, 2025-6pm EDT Jul 13, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data