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

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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 7 to 9 kt. A slight chance of showers and thunderstorms between 11pm and midnight. Seas around 2 ft.

      SW 9kt
      2ft

    • Sunday

      Sunday:WSW wind around 6 kt becoming variable and less than 5 kt. A slight chance of showers and thunderstorms after 3pm. Seas around 2 ft.

      WSW 6kt⇓
      2ft

    • Sunday Night

      Sunday Night:S wind 5 to 8 kt becoming SW after midnight. A slight chance of showers and thunderstorms before 7pm. Seas around 2 ft.

      S 8kt
      2ft

    • Monday

      Monday:Variable winds 5 kt or less. Sunny. Seas around 2 ft.

      Light Wind
      2ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.

      Light Wind
      1-2ft

    • Tuesday

      Tuesday:ENE wind 12 to 17 kt increasing to 23 to 28 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 2 ft building to 4 ft.

      ⇑ENE 28kt
      Waves Building4ft

    • Tuesday Night

      Tuesday Night:ENE wind 22 to 26 kt. A chance of showers before 8pm. Seas 5 to 6 ft.

      ENE 26kt
      5-6ft

    • Wednesday

      Wednesday:NE wind 20 to 23 kt increasing to 25 to 28 kt in the afternoon. A slight chance of showers. Seas around 5 ft.

      ⇑NE 28kt
      5ft

    • Wednesday Night

      Wednesday Night:ENE wind 23 to 26 kt decreasing to 19 to 22 kt after midnight. A slight chance of showers, then a chance of showers and thunderstorms after 2am. Seas around 6 ft.

      ENE 26kt⇓
      6ft


Associated Zone Forecast which includes this point

Last Update: 8:45 pm EDT Sep 12, 2026
Forecast Valid: 10pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026

View Nearby Observations

Detailed Forecast


Tonight
SW wind 7 to 9 kt. A slight chance of showers and thunderstorms between 11pm and midnight. Seas around 2 ft.
Sunday
WSW wind around 6 kt becoming variable and less than 5 kt. A slight chance of showers and thunderstorms after 3pm. Seas around 2 ft.
Sunday Night
S wind 5 to 8 kt becoming SW after midnight. A slight chance of showers and thunderstorms before 7pm. Seas around 2 ft.
Monday
Variable winds 5 kt or less. Sunny. Seas around 2 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.
Tuesday
ENE wind 12 to 17 kt increasing to 23 to 28 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 2 ft building to 4 ft.
Tuesday Night
ENE wind 22 to 26 kt. A chance of showers before 8pm. Seas 5 to 6 ft.
Wednesday
NE wind 20 to 23 kt increasing to 25 to 28 kt in the afternoon. A slight chance of showers. Seas around 5 ft.
Wednesday Night
ENE wind 23 to 26 kt decreasing to 19 to 22 kt after midnight. A slight chance of showers, then a chance of showers and thunderstorms after 2am. Seas around 6 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: 8:45 pm EDT Sep 12, 2026
Forecast Valid: 10pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026
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