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Charleston, SC Local Forecast Office

13NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
ESE 12kt
1ft
Tonight
ESE 13kt
1-2ft
Monday
SSE 17kt
3ft
Monday Night
S 17kt⇓
3-4ft
Tuesday
SW 9kt
3ft
Tuesday Night
S 10kt
3ft
Wednesday
W 8kt
2ft
Wednesday Night
SSW 9kt
2ft
Thursday
W 8kt
2ft

Associated Zone Forecast which includes this point

Last Update: 7:00 am EDT May 11, 2025
Forecast Valid: 8am EDT May 11, 2025-6pm EDT May 17, 2025

View Nearby Observations

Detailed Forecast

Today

SE wind 7 to 12 kt becoming E in the afternoon. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Seas around 1 ft.

Tonight

ESE wind 10 to 13 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm. Seas 1 to 2 ft.

Monday

SSE wind around 17 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Monday Night

S wind 14 to 17 kt becoming SSW 11 to 14 kt after midnight. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Seas 3 to 4 ft.

Tuesday

SW wind around 9 kt becoming S in the afternoon. A chance of showers, with thunderstorms also possible after 11am. Seas around 3 ft.

Tuesday Night

S wind around 10 kt becoming WSW after midnight. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas around 3 ft.

Wednesday

W wind 6 to 8 kt becoming SSW in the afternoon. A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Wednesday Night

S wind around 9 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas around 2 ft.

Thursday

W wind around 8 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

Winds and seas higher in and near tstms.

*Notices:

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.
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.