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

For More Weather Information:

Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:NE wind 20 to 23 km/h decreasing to 16 to 19 km/h in the evening. Mostly clear. Seas around 1 m.

      NE 23km/h⇓
      1m

    • Saturday

      Saturday:NE wind around 18 km/h. Sunny. Seas around 1 m.

      NE 18km/h
      1m

    • Saturday Night

      Saturday Night:ENE wind 11 to 13 km/h becoming ESE after midnight. A slight chance of showers after 1am. Seas 1 m or less.

      ESE 13km/h
      < 1m

    • Sunday

      Sunday:S wind 14 to 19 km/h increasing to 27 to 32 km/h. Winds could gust as high as 39 km/h. Showers, with thunderstorms also possible after 4pm. Seas around 1 m.

      ⇑S 32km/h
      1m

    • Sunday Night

      Sunday Night:SSW wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 34 km/h. Showers and possibly a thunderstorm. Seas around 1 m.

      SSW 26km/h⇓
      1m

    • Washington's Birthday

      Washington's Birthday:W wind 13 to 16 km/h becoming NNE 18 to 21 km/h in the afternoon. Showers likely, mainly before 1pm. Seas around 1 m.

      ⇑NNE 21km/h
      1m

    • Monday Night

      Monday Night:NNE wind around 14 km/h. Partly cloudy. Seas around 1 m.

      NNE 14km/h
      1m

    • Tuesday

      Tuesday:NNE wind around 14 km/h becoming ENE in the afternoon. Mostly sunny. Seas around 1 m.

      NNE 14km/h
      1m

    • Tuesday Night

      Tuesday Night:E wind 5 to 8 km/h becoming WSW after midnight. Partly cloudy. Seas around 1 m.

      E 8km/h
      1m


Associated Zone Forecast which includes this point

Last Update: 1:30 pm EST Feb 13, 2026
Forecast Valid: 4pm EST Feb 13, 2026-6pm EST Feb 20, 2026

View Nearby Observations

Detailed Forecast


Tonight
NE wind 20 to 23 km/h decreasing to 16 to 19 km/h in the evening. Mostly clear. Seas around 1 m.
Saturday
NE wind around 18 km/h. Sunny. Seas around 1 m.
Saturday Night
ENE wind 11 to 13 km/h becoming ESE after midnight. A slight chance of showers after 1am. Seas 1 m or less.
Sunday
S wind 14 to 19 km/h increasing to 27 to 32 km/h. Winds could gust as high as 39 km/h. Showers, with thunderstorms also possible after 4pm. Seas around 1 m.
Sunday Night
SSW wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 34 km/h. Showers and possibly a thunderstorm. Seas around 1 m.
Washington's Birthday
W wind 13 to 16 km/h becoming NNE 18 to 21 km/h in the afternoon. Showers likely, mainly before 1pm. Seas around 1 m.
Monday Night
NNE wind around 14 km/h. Partly cloudy. Seas around 1 m.
Tuesday
NNE wind around 14 km/h becoming ENE in the afternoon. Mostly sunny. Seas around 1 m.
Tuesday Night
E wind 5 to 8 km/h becoming WSW after midnight. Partly cloudy. 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: 31.34°N 81.26°W
Last Update: 1:30 pm EST Feb 13, 2026
Forecast Valid: 4pm EST Feb 13, 2026-6pm EST Feb 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data