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Prisoners Harbor, Santa Cruz Island Marine Weather Forecast

Tonight - 54°F
May 16, 2026
15 to 30 mph WNW
Mostly Clear
Mostly clear, with a low around 54. West northwest wind 15 to 30 mph, with gusts as high as 40 mph.
Sunday - 61°F
May 17, 2026
10 to 20 mph WNW
Mostly Sunny
Mostly sunny, with a high near 61. West northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday Night - 55°F
May 17, 2026
5 to 20 mph NNW
Mostly Clear
Mostly clear, with a low around 55. North northwest wind 5 to 20 mph, with gusts as high as 25 mph.
Monday - 66°F
May 18, 2026
5 to 10 mph ESE
Sunny
Sunny, with a high near 66. East southeast wind 5 to 10 mph.
Monday Night - 54°F
May 18, 2026
5 to 10 mph NW
Mostly Clear
Mostly clear, with a low around 54. Northwest wind 5 to 10 mph.
Tuesday - 68°F
May 19, 2026
5 mph SSE
Sunny
Sunny, with a high near 68.
Tuesday Night - 56°F
May 19, 2026
5 mph WSW
Mostly Clear
Mostly clear, with a low around 56.
Wednesday - 66°F
May 20, 2026
5 mph SSW
Sunny
Sunny, with a high near 66.
Wednesday Night - 56°F
May 20, 2026
5 to 10 mph SSE
Mostly Clear
Mostly clear, with a low around 56.
Thursday - 65°F
May 21, 2026
5 mph SSE
Mostly Sunny
Mostly sunny, with a high near 65.
Thursday Night - 54°F
May 21, 2026
5 mph WSW
Partly Cloudy
Partly cloudy, with a low around 54.
Friday - 64°F
May 22, 2026
0 to 5 mph SSE
Mostly Sunny
Mostly sunny, with a high near 64.
Friday Night - 54°F
May 22, 2026
0 to 5 mph W
Partly Cloudy
Partly cloudy, with a low around 54.
Saturday - 64°F
May 23, 2026
0 to 5 mph WSW
Mostly Sunny
Mostly sunny, with a high near 64.

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