Prisoners Harbor, Santa Cruz Island, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Jul 5 		Partly Cloudy -º / 57º 15% WNW 18 mph 83%
Mon
Jul 6 		Partly Cloudy/Wind
View Hourly 		71º / 57º 15% WNW 22 mph 67%
2am Mostly Clear 62º 2% WNW 17 mph 77%
3am Mostly Clear 62º 2% WNW 16 mph 79%
4am Partly Cloudy 62º 2% WNW 15 mph 81%
5am Mostly Clear 62º 2% WNW 13 mph 82%
6am Mostly Sunny 61º 2% WNW 13 mph 86%
7am Mostly Sunny 63º 2% WNW 11 mph 82%
8am Mostly Sunny 65º 2% WNW 10 mph 76%
9am Mostly Sunny 64º 3% WNW 11 mph 73%
10am Mostly Sunny 65º 3% WNW 13 mph 71%
11am Sunny 66º 3% WNW 14 mph 66%
12pm Sunny 67º 3% WNW 14 mph 65%
1pm Sunny 69º 3% WNW 16 mph 62%
2pm Sunny 69º 2% WNW 16 mph 60%
3pm Sunny 70º 3% WNW 18 mph 60%
4pm Sunny 68º 3% WNW 19 mph 61%
5pm Sunny/Wind 67º 3% WNW 20 mph 63%
6pm Sunny/Wind 65º 3% WNW 22 mph 66%
7pm Sunny/Wind 64º 3% WNW 23 mph 72%
8pm Sunny/Wind 63º 4% WNW 24 mph 71%
9pm Clear/Wind 62º 4% WNW 24 mph 71%
10pm Mostly Clear/Wind 61º 4% WNW 23 mph 76%
11pm Mostly Clear/Wind 60º 4% WNW 22 mph 74%
Tue
Jul 7 		Partly Cloudy/Wind
View Hourly 		70º / 57º 6% WNW 25 mph 68%
12am Mostly Clear/Wind 60º 5% WNW 21 mph 75%
1am Partly Cloudy/Wind 60º 5% WNW 20 mph 74%
2am Partly Cloudy 60º 5% WNW 19 mph 76%
3am Partly Cloudy 59º 5% WNW 18 mph 77%
4am Partly Cloudy 59º 5% WNW 17 mph 79%
5am Partly Cloudy 59º 19% NW 16 mph 84%
6am Partly Cloudy 58º 20% WNW 16 mph 86%
7am Partly Cloudy 59º 6% NW 14 mph 85%
8am Partly Cloudy 62º 4% NW 12 mph 78%
9am Mostly Sunny 64º 3% WNW 12 mph 74%
10am Mostly Sunny 65º 3% WNW 12 mph 71%
11am Mostly Sunny 66º 3% WNW 14 mph 67%
12pm Sunny 68º 3% WNW 15 mph 63%
1pm Sunny 69º 2% WNW 17 mph 63%
2pm Sunny 69º 2% WNW 19 mph 61%
3pm Sunny/Wind 68º 2% WNW 21 mph 62%
4pm Sunny/Wind 68º 2% WNW 22 mph 63%
5pm Sunny/Wind 67º 3% WNW 24 mph 64%
6pm Sunny/Wind 65º 3% WNW 25 mph 66%
7pm Sunny/Wind 64º 3% WNW 27 mph 72%
8pm Sunny/Wind 63º 4% WNW 26 mph 70%
9pm Clear/Wind 62º 4% WNW 26 mph 72%
10pm Clear/Wind 61º 4% WNW 25 mph 77%
11pm Clear/Wind 61º 4% WNW 23 mph 76%
Wed
Jul 8 		Sunny/Wind
View Hourly 		71º / 58º 5% WNW 23 mph 67%
12am Clear/Wind 60º 4% WNW 22 mph 78%
1am Mostly Clear/Wind 61º 5% WNW 21 mph 76%
Thu
Jul 9 		Sunny 68º / 58º 6% WNW 13 mph 78%
Fri
Jul 10 		AM Clouds/PM Sun 68º / 59º 20% SSW 6 mph 81%
Sat
Jul 11 		Mostly Cloudy 68º / 60º 6% SSE 9 mph 80%
Sun
Jul 12 		Mostly Cloudy 68º / 59º 6% SSW 8 mph 81%

Weather Radar for Prisoners Harbor, Santa Cruz Island, CA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Prisoners Harbor, Santa Cruz Island, CA

Overnight
Low : 56ºF
WNW wind around 10 kt. Mostly clear. Mixed swell...WNW 3 ft at 7 seconds and SSW 1 ft at 17 seconds. Wind waves around 2 ft.
Monday
High : 67ºF
WNW wind 10 to 15 kt. Sunny. Mixed swell...WNW 3 ft at 7 seconds and SSW 1 ft at 17 seconds. Wind waves around 2 ft.
Monday Night
Low : 56ºF
W wind around 15 kt. Mostly clear. Mixed swell...W 4 ft at 8 seconds and SSW 1 ft at 16 seconds. Wind waves 2 to 3 ft.
Tuesday
High : 68ºF
WNW wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Mixed swell...WNW 3 to 4 ft and SSW 1 ft. Wind waves 2 to 3 ft.
Tuesday Night
Low : 57ºF
WNW wind 10 to 20 kt. Mostly clear. Mixed swell...WNW 5 ft and SSW 1 ft. Wind waves around 3 ft.
Wednesday
High : 70ºF
WNW wind 5 to 15 kt. Sunny. Mixed swell...W 3 to 4 ft and SSW 1 to 2 ft. Wind waves 1 to 2 ft.
Wednesday Night
Low : 59ºF
NW wind 5 to 15 kt. Clear. Mixed swell...W 5 ft and SSW 1 to 2 ft. Wind waves 1 to 2 ft.
Thursday
High : 67ºF
Variable winds 5 kt or less. Mostly sunny. Mixed swell...W 3 to 4 ft and SSW 2 ft. Wind waves 1 ft or less.
Thursday Night
Low : 59ºF
Variable winds 5 kt or less. Mostly clear. Mixed swell...W 4 ft and SSW 1 ft. Wind waves 1 ft or less.

NOAA Buoy Data Near Prisoners Harbor, Santa Cruz Island, CA See Map

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    Wind Speed Forecast for Prisoners Harbor, Santa Cruz Island, CA

    MondayTuesdayWednesday
    Wind Speed (MPH) 171313162223191612192525
    9am1pm5pm9pm1am5am9am1pm5pm9pm1am5am
    MPH 171313162223191612192525
    DIR WNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNW

    Current Weather Conditions In Prisoners Harbor, Santa Cruz Island, CA

    As Of: 13 minutes ago

    • 62ºF
    • 60ºF
    • 17mph
    • 0º (WNW)
    • 22mph
    • Mostly Clear
    • 10mi
    • 29.91"
    • 77%
    • 0ºF

    The weather right now in Prisoners Harbor, Santa Cruz Island, CA is Mostly Clear. The current temperature is 62°F, and the expected high and low for today, Monday, July 6, 2026, are -° high temperature and 57°F low temperature. The wind is currently blowing at 17 miles per hour, and coming from the West Northwest. The wind is gusting to 22 mph. With the wind and the atmosphere the temperature feels like 60° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 77 percent, and air pressure at 29.91 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 1:34am Mon Jul 6 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT PDT TONIGHT...

    WHAT: Hazardous sea conditions.

    WHERE: East Santa Barbara Channel from Pt. Conception to Pt.
    Mugu CA including Santa Cruz Island.

    WHEN: From 3 PM this afternoon to midnight PDT tonight.

    IMPACTS: Conditions will be hazardous to small craft.

    ADDITIONAL DETAILS: See the Coastal Waters Forecast (CWFLOX)
    for more.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&