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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:NE wind 10 to 14 kt. Sunny. Seas around 2 ft.

      NE 14kt
      2ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Light Wind
      2ft

    • Friday

      Friday:NE wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑NE 13kt
      2ft

    • Friday Night

      Friday Night:ENE wind 7 to 9 kt. Mostly clear. Seas around 2 ft.

      ENE 9kt
      2ft

    • Saturday

      Saturday:E wind 7 to 9 kt. Mostly sunny. Seas around 2 ft.

      E 9kt
      2ft

    • Saturday Night

      Saturday Night:E wind 7 to 9 kt becoming SSE after midnight. A slight chance of showers, then a chance of showers and thunderstorms after 1am.   Seas around 2 ft.

      SSE 9kt
      2ft

    • Sunday

      Sunday:S wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Showers, mainly after 1pm.   Seas 2 to 3 ft.

      ⇑S 18kt
      2-3ft

    • Sunday Night

      Sunday Night:S wind 13 to 16 kt becoming WSW 10 to 13 kt after midnight. Showers and possibly a thunderstorm before 1am, then showers likely.   Seas 3 to 4 ft.

      S 16kt⇓
      3-4ft

    • Washington's Birthday

      Washington's Birthday:NW wind 9 to 11 kt becoming NE in the afternoon. A chance of showers.   Seas around 3 ft.

      NE 11kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 7:32 am EST Feb 12, 2026
Forecast Valid: 8am EST Feb 12, 2026-6pm EST Feb 18, 2026

View Nearby Observations

Detailed Forecast


Today
NE wind 10 to 14 kt. Sunny. Seas around 2 ft.
Tonight
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Friday
NE wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas around 2 ft.
Friday Night
ENE wind 7 to 9 kt. Mostly clear. Seas around 2 ft.
Saturday
E wind 7 to 9 kt. Mostly sunny. Seas around 2 ft.
Saturday Night
E wind 7 to 9 kt becoming SSE after midnight. A slight chance of showers, then a chance of showers and thunderstorms after 1am. Seas around 2 ft.
Sunday
S wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Showers, mainly after 1pm. Seas 2 to 3 ft.
Sunday Night
S wind 13 to 16 kt becoming WSW 10 to 13 kt after midnight. Showers and possibly a thunderstorm before 1am, then showers likely. Seas 3 to 4 ft.
Washington's Birthday
NW wind 9 to 11 kt becoming NE in the afternoon. A chance of showers. Seas around 3 ft.

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.
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ABOUT THIS FORECAST

Point Forecast: 31.34°N 81.26°W
Last Update: 7:32 am EST Feb 12, 2026
Forecast Valid: 8am EST Feb 12, 2026-6pm EST Feb 18, 2026
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