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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNW wind 8 to 10 kt. Mostly sunny. Seas around 2 ft.

      NNW 10kt
      2ft

    • Tonight

      Tonight:N wind 6 to 8 kt becoming ENE after midnight. Partly cloudy. Seas around 2 ft.

      ENE 8kt
      2ft

    • Wednesday

      Wednesday:NE wind 7 to 9 kt. Increasing clouds. Seas around 2 ft.

      NE 9kt
      2ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Cloudy. Seas around 2 ft.

      Light Wind
      2ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming NE around 6 kt in the morning. Partly sunny. Seas 2 to 3 ft.

      ⇑NE 6kt
      2-3ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

      Light Wind
      3ft

    • Friday

      Friday:Variable winds less than 5 kt becoming NE 5 to 8 kt in the morning. Mostly sunny. Seas around 3 ft.

      ⇑NE 8kt
      3ft

    • Friday Night

      Friday Night:NE wind 7 to 10 kt increasing to 10 to 13 kt after midnight. A slight chance of showers.   Seas around 3 ft.

      ⇑NE 13kt
      3ft

    • Saturday

      Saturday:NE wind 14 to 19 kt. A chance of rain.   Seas 3 ft building to 5 ft.

      NE 19kt
      Waves Building5ft


Associated Zone Forecast which includes this point

Last Update: 7:33 am EST Jan 20, 2026
Forecast Valid: 10am EST Jan 20, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast


Today
NNW wind 8 to 10 kt. Mostly sunny. Seas around 2 ft.
Tonight
N wind 6 to 8 kt becoming ENE after midnight. Partly cloudy. Seas around 2 ft.
Wednesday
NE wind 7 to 9 kt. Increasing clouds. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Cloudy. Seas around 2 ft.
Thursday
Variable winds less than 5 kt becoming NE around 6 kt in the morning. Partly sunny. Seas 2 to 3 ft.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Friday
Variable winds less than 5 kt becoming NE 5 to 8 kt in the morning. Mostly sunny. Seas around 3 ft.
Friday Night
NE wind 7 to 10 kt increasing to 10 to 13 kt after midnight. A slight chance of showers. Seas around 3 ft.
Saturday
NE wind 14 to 19 kt. A chance of rain. Seas 3 ft building to 5 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: 31.62°N 81.12°W
Last Update: 7:33 am EST Jan 20, 2026
Forecast Valid: 10am EST Jan 20, 2026-6pm EST Jan 26, 2026
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