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Charleston, SC Local Forecast Office

13NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SSW wind 13 to 16 kt. Mostly clear. Seas 2 to 3 ft.

      SSW 16kt
      2-3ft

    • Monday

      Monday:SSW wind 9 to 12 kt becoming SSE 13 to 16 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑SSE 16kt
      2ft

    • Monday Night

      Monday Night:S wind 18 to 20 kt. A slight chance of showers and thunderstorms, mainly between 2am and 3am.   Seas around 3 ft.

      S 20kt
      3ft

    • Tuesday

      Tuesday:S wind 16 to 21 kt. Sunny. Seas 3 to 4 ft.

      S 21kt
      3-4ft

    • Tuesday Night

      Tuesday Night:SSW wind 20 to 23 kt. Partly cloudy. Seas around 4 ft.

      SSW 23kt
      4ft

    • Wednesday

      Wednesday:S wind 14 to 18 kt. Mostly sunny. Seas around 3 ft.

      S 18kt
      3ft

    • Wednesday Night

      Wednesday Night:S wind 10 to 15 kt becoming SSW after midnight. Winds could gust as high as 21 kt. Partly cloudy. Seas 3 to 4 ft.

      S 15kt
      3-4ft

    • Thursday

      Thursday:WSW wind 6 to 9 kt becoming S 9 to 12 kt in the afternoon. A chance of showers and thunderstorms after 2pm.   Seas around 2 ft.

      ⇑S 12kt
      2ft

    • Thursday Night

      Thursday Night:S wind 7 to 10 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Seas around 2 ft.

      S 10kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 8:42 pm EDT Jul 19, 2026
Forecast Valid: 12am EDT Jul 20, 2026-6pm EDT Jul 26, 2026

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Detailed Forecast


Overnight
SSW wind 13 to 16 kt. Mostly clear. Seas 2 to 3 ft.
Monday
SSW wind 9 to 12 kt becoming SSE 13 to 16 kt in the afternoon. Sunny. Seas around 2 ft.
Monday Night
S wind 18 to 20 kt. A slight chance of showers and thunderstorms, mainly between 2am and 3am. Seas around 3 ft.
Tuesday
S wind 16 to 21 kt. Sunny. Seas 3 to 4 ft.
Tuesday Night
SSW wind 20 to 23 kt. Partly cloudy. Seas around 4 ft.
Wednesday
S wind 14 to 18 kt. Mostly sunny. Seas around 3 ft.
Wednesday Night
S wind 10 to 15 kt becoming SSW after midnight. Winds could gust as high as 21 kt. Partly cloudy. Seas 3 to 4 ft.
Thursday
WSW wind 6 to 9 kt becoming S 9 to 12 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Thursday Night
S wind 7 to 10 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas around 2 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: 31.49°N 81.19°W
Last Update: 8:42 pm EDT Jul 19, 2026
Forecast Valid: 12am EDT Jul 20, 2026-6pm EDT Jul 26, 2026
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