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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Today

      Today:NE wind 6 to 8 kt. Mostly sunny. Seas around 2 ft.

      NE 8kt
      2ft

    • Tonight

      Tonight:Variable winds less than 5 kt becoming N 5 to 9 kt after midnight. Increasing clouds. Seas around 2 ft.

      ⇑N 9kt
      2ft

    • Monday

      Monday:NNE wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Mostly cloudy. Seas 2 to 3 ft.

      ⇑NNE 18kt
      2-3ft

    • Monday Night

      Monday Night:NE wind 15 to 18 kt becoming E 10 to 13 kt after midnight. A chance of showers, then showers likely and possibly a thunderstorm after 1am. Seas around 3 ft.

      NE 18kt⇓
      3ft

    • Tuesday

      Tuesday:S wind 13 to 15 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Seas around 3 ft.

      SW 15kt
      3ft

    • Tuesday Night

      Tuesday Night:NW wind 10 to 13 kt. Mostly cloudy. Seas around 3 ft.

      NW 13kt
      3ft

    • Wednesday

      Wednesday:N wind around 9 kt. Mostly sunny. Seas around 2 ft.

      N 9kt
      2ft

    • Wednesday Night

      Wednesday Night:NNE wind around 6 kt becoming N after midnight. Partly cloudy. Seas around 2 ft.

      NNE 6kt
      2ft

    • Thursday

      Thursday:NNW wind around 7 kt. Partly sunny. Seas around 2 ft.

      NNW 7kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 1:32 am EST Nov 30, 2025
Forecast Valid: 6am EST Nov 30, 2025-6pm EST Dec 6, 2025

View Nearby Observations

Detailed Forecast


Today
NE wind 6 to 8 kt. Mostly sunny. Seas around 2 ft.
Tonight
Variable winds less than 5 kt becoming N 5 to 9 kt after midnight. Increasing clouds. Seas around 2 ft.
Monday
NNE wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Mostly cloudy. Seas 2 to 3 ft.
Monday Night
NE wind 15 to 18 kt becoming E 10 to 13 kt after midnight. A chance of showers, then showers likely and possibly a thunderstorm after 1am. Seas around 3 ft.
Tuesday
S wind 13 to 15 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Seas around 3 ft.
Tuesday Night
NW wind 10 to 13 kt. Mostly cloudy. Seas around 3 ft.
Wednesday
N wind around 9 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
NNE wind around 6 kt becoming N after midnight. Partly cloudy. Seas around 2 ft.
Thursday
NNW wind around 7 kt. Partly sunny. 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: 31.34°N 81.26°W
Last Update: 1:32 am EST Nov 30, 2025
Forecast Valid: 6am EST Nov 30, 2025-6pm EST Dec 6, 2025
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