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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:WNW wind 18 to 21 kt. Sunny. Seas around 2 ft.

      WNW 21kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNW wind 18 to 23 kt decreasing to 10 to 15 kt. Mostly clear. Seas 1 to 2 ft.

      NNW 23kt⇓
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.

      ⇑S 8kt
      1ft

    • Friday Night

      Friday Night:SSW wind 8 to 10 kt. Mostly clear. Seas around 1 ft.

      SSW 10kt
      1ft

    • Saturday

      Saturday:SSW wind 9 to 11 kt. Mostly sunny. Seas 1 to 2 ft.

      SSW 11kt
      1-2ft

    • Saturday Night

      Saturday Night:SSW wind 6 to 9 kt becoming NW 10 to 13 kt after midnight. A chance of rain, mainly after 1am.   Seas around 1 ft.

      ⇑NW 13kt
      1ft

    • Sunday

      Sunday:WNW wind around 17 kt. A chance of rain, mainly before 1pm.   Seas around 2 ft.

      WNW 17kt
      2ft

    • Sunday Night

      Sunday Night:WNW wind 11 to 15 kt. Mostly clear. Seas 1 to 2 ft.

      WNW 15kt
      1-2ft

    • M.L.King Day

      M.L.King Day:WNW wind 8 to 10 kt. Sunny. Seas around 1 ft.

      WNW 10kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 7:33 am EST Jan 15, 2026
Forecast Valid: 9am EST Jan 15, 2026-6pm EST Jan 21, 2026

View Nearby Observations

Detailed Forecast


Today
WNW wind 18 to 21 kt. Sunny. Seas around 2 ft.
Tonight
NNW wind 18 to 23 kt decreasing to 10 to 15 kt. Mostly clear. Seas 1 to 2 ft.
Friday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SSW wind 8 to 10 kt. Mostly clear. Seas around 1 ft.
Saturday
SSW wind 9 to 11 kt. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
SSW wind 6 to 9 kt becoming NW 10 to 13 kt after midnight. A chance of rain, mainly after 1am. Seas around 1 ft.
Sunday
WNW wind around 17 kt. A chance of rain, mainly before 1pm. Seas around 2 ft.
Sunday Night
WNW wind 11 to 15 kt. Mostly clear. Seas 1 to 2 ft.
M.L.King Day
WNW wind 8 to 10 kt. Sunny. Seas around 1 ft.

*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: 7:33 am EST Jan 15, 2026
Forecast Valid: 9am EST Jan 15, 2026-6pm EST Jan 21, 2026
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