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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:NE wind 20 to 23 kt. Mostly sunny. Seas around 6 ft.

      NE 23kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NE wind 21 to 26 kt. A chance of showers and thunderstorms, mainly after 9pm.   Seas around 7 ft.

      NE 26kt
      7ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:NE wind 19 to 22 kt. A chance of showers and thunderstorms.   Seas 6 to 7 ft.

      NE 22kt
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:ENE wind 19 to 22 kt decreasing to 16 to 19 kt after midnight. A chance of showers, with thunderstorms also possible after 8pm.   Seas around 6 ft.

      ENE 22kt⇓
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:ENE wind 16 to 20 kt. A chance of showers and thunderstorms.   Seas 5 to 6 ft.

      ENE 20kt
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:E wind 16 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.   Seas around 6 ft.

      E 20kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:E wind 16 to 18 kt. Showers and possibly a thunderstorm.   Seas 5 to 6 ft.

      E 18kt
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:E wind 14 to 17 kt. Showers likely and possibly a thunderstorm.   Seas 5 to 6 ft.

      E 17kt
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:E wind 12 to 16 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.   Seas around 5 ft.

      E 16kt
      5ft

      Small Craft Advisory
      Small Craft Advisory


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Oct 2, 2025
Forecast Valid: 10am EDT Oct 2, 2025-6pm EDT Oct 8, 2025

View Nearby Observations

Detailed Forecast


Today
NE wind 20 to 23 kt. Mostly sunny. Seas around 6 ft.
Tonight
NE wind 21 to 26 kt. A chance of showers and thunderstorms, mainly after 9pm. Seas around 7 ft.
Friday
NE wind 19 to 22 kt. A chance of showers and thunderstorms. Seas 6 to 7 ft.
Friday Night
ENE wind 19 to 22 kt decreasing to 16 to 19 kt after midnight. A chance of showers, with thunderstorms also possible after 8pm. Seas around 6 ft.
Saturday
ENE wind 16 to 20 kt. A chance of showers and thunderstorms. Seas 5 to 6 ft.
Saturday Night
E wind 16 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 6 ft.
Sunday
E wind 16 to 18 kt. Showers and possibly a thunderstorm. Seas 5 to 6 ft.
Sunday Night
E wind 14 to 17 kt. Showers likely and possibly a thunderstorm. Seas 5 to 6 ft.
Monday
E wind 12 to 16 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 5 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: 31.62°N 81.12°W
Last Update: 8:32 am EDT Oct 2, 2025
Forecast Valid: 10am EDT Oct 2, 2025-6pm EDT Oct 8, 2025
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