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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NNE wind 11 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Seas around 3 ft.

      NNE 16kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:NE wind 18 to 22 kt, with gusts as high as 29 kt. Cloudy. Seas 3 ft building to 5 ft.

      NE 22kt
      Waves Building5ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:NE wind 17 to 22 kt decreasing to 9 to 14 kt. Winds could gust as high as 29 kt. A chance of rain, mainly between 7pm and 1am.   Seas around 5 ft.

      NE 22kt⇓
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:NE wind 6 to 9 kt becoming S 12 to 15 kt in the morning. Mostly cloudy. Seas around 4 ft.

      ⇑S 15kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:S wind 16 to 18 kt becoming WSW after midnight. Rain likely before midnight, then showers, mainly after midnight.   Seas 4 to 5 ft.

      SSW 18kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:W wind 17 to 19 kt. Mostly sunny. Seas 3 to 4 ft.

      W 19kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NW wind 19 to 22 kt. Mostly clear. Seas around 3 ft.

      NW 22kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:NNW wind 13 to 16 kt decreasing to 9 to 12 kt in the morning. Sunny. Seas 2 to 3 ft.

      NNW 16kt⇓
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:WNW wind 6 to 10 kt. Mostly clear. Seas around 2 ft.

      WNW 10kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 7:30 pm EST Jan 23, 2026
Forecast Valid: 12am EST Jan 24, 2026-6pm EST Jan 30, 2026

View Nearby Observations

Detailed Forecast


Overnight
NNE wind 11 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Seas around 3 ft.
Saturday
NE wind 18 to 22 kt, with gusts as high as 29 kt. Cloudy. Seas 3 ft building to 5 ft.
Saturday Night
NE wind 17 to 22 kt decreasing to 9 to 14 kt. Winds could gust as high as 29 kt. A chance of rain, mainly between 7pm and 1am. Seas around 5 ft.
Sunday
NE wind 6 to 9 kt becoming S 12 to 15 kt in the morning. Mostly cloudy. Seas around 4 ft.
Sunday Night
S wind 16 to 18 kt becoming WSW after midnight. Rain likely before midnight, then showers, mainly after midnight. Seas 4 to 5 ft.
Monday
W wind 17 to 19 kt. Mostly sunny. Seas 3 to 4 ft.
Monday Night
NW wind 19 to 22 kt. Mostly clear. Seas around 3 ft.
Tuesday
NNW wind 13 to 16 kt decreasing to 9 to 12 kt in the morning. Sunny. Seas 2 to 3 ft.
Tuesday Night
WNW wind 6 to 10 kt. Mostly clear. Seas around 2 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: 7:30 pm EST Jan 23, 2026
Forecast Valid: 12am EST Jan 24, 2026-6pm EST Jan 30, 2026
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