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San Marino Island, FL Marine Weather Forecast

Overnight - 74°F
Dec 22, 2025
17 mph NE
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly clear, with a low around 74. Northeast wind around 17 mph. Chance of precipitation is 20%.
Monday - 78°F
Dec 22, 2025
17 to 24 mph NE
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 9am. Mostly sunny, with a high near 78. Northeast wind 17 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday Night - 74°F
Dec 22, 2025
23 to 26 mph E
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 3am. Partly cloudy, with a low around 74. East wind 23 to 26 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday - 78°F
Dec 23, 2025
17 to 22 mph E
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 78. East wind 17 to 22 mph. Chance of precipitation is 20%.
Tuesday Night - 73°F
Dec 23, 2025
13 to 16 mph NE
Mostly Clear
Mostly clear, with a low around 73. Northeast wind 13 to 16 mph, with gusts as high as 20 mph.
Wednesday - 78°F
Dec 24, 2025
13 to 16 mph NE
Sunny
Sunny, with a high near 78. Northeast wind 13 to 16 mph, with gusts as high as 21 mph.
Wednesday Night - 71°F
Dec 24, 2025
10 to 15 mph NE
Mostly Clear
Mostly clear, with a low around 71. Northeast wind 10 to 15 mph, with gusts as high as 18 mph.
Christmas Day - 78°F
Dec 25, 2025
12 mph NE
Mostly Sunny
Mostly sunny, with a high near 78. Northeast wind around 12 mph.
Thursday Night - 71°F
Dec 25, 2025
5 to 8 mph NE
Partly Cloudy
Partly cloudy, with a low around 71. Northeast wind 5 to 8 mph.
Friday - 78°F
Dec 26, 2025
7 mph NE
Mostly Sunny
Mostly sunny, with a high near 78.
Friday Night - 70°F
Dec 26, 2025
6 mph E
Mostly Clear
Mostly clear, with a low around 70.
Saturday - 78°F
Dec 27, 2025
2 to 6 mph NE
Mostly Sunny
Mostly sunny, with a high near 78.
Saturday Night - 70°F
Dec 27, 2025
6 mph E
Partly Cloudy
Partly cloudy, with a low around 70.
Sunday - 79°F
Dec 28, 2025
7 mph E
Mostly Sunny
Mostly sunny, with a high near 79.

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