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St. Simons Light, GA Marine Weather Forecast

This Afternoon - 66°F
Dec 18, 2025
9 mph SE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms. Cloudy, with a high near 66. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 59°F
Dec 18, 2025
8 to 14 mph S
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 59. South wind 8 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday - 66°F
Dec 19, 2025
9 to 13 mph W
Mostly Sunny
Mostly sunny. High near 66, with temperatures falling to around 59 in the afternoon. West wind 9 to 13 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
Friday Night - 43°F
Dec 19, 2025
7 mph NW
Clear
Clear, with a low around 43. Northwest wind around 7 mph.
Saturday - 61°F
Dec 20, 2025
6 mph NE
Sunny
Sunny, with a high near 61. Northeast wind around 6 mph.
Saturday Night - 47°F
Dec 20, 2025
3 mph NW
Mostly Clear
Mostly clear, with a low around 47.
Sunday - 65°F
Dec 21, 2025
6 mph NW
Sunny
Sunny, with a high near 65.
Sunday Night - 50°F
Dec 21, 2025
3 to 15 mph N
Mostly Clear
Mostly clear, with a low around 50.
Monday - 57°F
Dec 22, 2025
16 mph NE
Sunny
Sunny, with a high near 57.
Monday Night - 49°F
Dec 22, 2025
7 to 14 mph NE
Mostly Clear
Mostly clear, with a low around 49.
Tuesday - 65°F
Dec 23, 2025
7 mph E
Sunny
Sunny, with a high near 65.
Tuesday Night - 51°F
Dec 23, 2025
3 mph SW
Mostly Clear
Mostly clear, with a low around 51.
Wednesday - 67°F
Dec 24, 2025
2 to 7 mph W
Sunny
Sunny, with a high near 67.
Wednesday Night - 52°F
Dec 24, 2025
5 mph SW
Mostly Clear
Mostly clear, with a low around 52.

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