34.0200’ N, 119.6830’ W

Prisoners Harbor, Santa Cruz Island, CA

78°
H 79°
L 62°
WNW
18mph
Low tide
8:49 pm

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

Day Sky High / Low Precip Wind Humidity
Wed
Sep 2
Sunny/Wind
Close Hourly
79º / 62º 2% WNW 23 mph 53%
3pm Sunny 78º 1% WNW 18 mph 47%
4pm Sunny/Wind 77º 1% WNW 20 mph 50%
5pm Sunny/Wind 75º 1% WNW 22 mph 56%
6pm Sunny/Wind 72º 2% WNW 24 mph 64%
7pm Sunny/Wind 70º 2% WNW 23 mph 70%
8pm Clear/Wind 69º 2% WNW 23 mph 72%
9pm Clear/Wind 68º 3% WNW 24 mph 72%
10pm Clear/Wind 66º 6% WNW 23 mph 73%
11pm Clear/Wind 66º 6% WNW 22 mph 73%
Thu
Sep 3
Sunny
View Hourly
77º / 63º 6% WNW 18 mph 63%
12am Clear/Wind 65º 6% WNW 21 mph 74%
1am Clear/Wind 64º 6% WNW 21 mph 74%
2am Clear/Wind 64º 6% WNW 20 mph 75%
3am Clear 64º 5% WNW 19 mph 73%
4am Clear 64º 5% WNW 18 mph 72%
5am Clear 63º 5% WNW 18 mph 74%
6am Mostly Clear 63º 6% WNW 18 mph 75%
7am Sunny 63º 6% WNW 16 mph 77%
8am Sunny 65º 5% WNW 16 mph 73%
9am Sunny 68º 4% NW 14 mph 68%
10am Sunny 70º 3% NW 12 mph 64%
11am Sunny 72º 2% NW 12 mph 61%
12pm Sunny 73º 2% WNW 12 mph 59%
1pm Sunny 74º 2% WNW 13 mph 57%
2pm Sunny 75º 2% WNW 14 mph 55%
3pm Sunny 74º 2% WNW 15 mph 57%
4pm Sunny 73º 2% WNW 16 mph 58%
5pm Sunny 72º 2% WNW 17 mph 60%
6pm Sunny 69º 3% WNW 18 mph 65%
7pm Sunny 67º 5% WNW 18 mph 72%
8pm Clear 66º 5% WNW 19 mph 73%
9pm Clear 66º 5% WNW 19 mph 72%
10pm Clear 65º 5% WNW 19 mph 72%
11pm Mostly Clear 65º 5% WNW 18 mph 70%
Fri
Sep 4
Sunny
View Hourly
76º / 62º 7% NW 13 mph 65%
12am Mostly Clear 65º 5% WNW 18 mph 70%
1am Mostly Clear 65º 5% WNW 16 mph 70%
2am Mostly Clear 65º 6% WNW 16 mph 72%
3am Mostly Clear 64º 7% NW 14 mph 76%
4am Clear 65º 7% NW 14 mph 76%
5am Clear 65º 8% NW 13 mph 78%
6am Clear 65º 8% NW 13 mph 78%
7am Mostly Sunny 64º 7% NW 11 mph 79%
8am Mostly Sunny 67º 6% NW 8 mph 75%
9am Mostly Sunny 69º 5% NNW 7 mph 70%
10am Partly Cloudy 71º 3% NNW 6 mph 68%
11am Mostly Sunny 72º 3% NW 6 mph 65%
12pm Mostly Sunny 73º 2% NW 6 mph 63%
1pm Sunny 74º 2% NW 7 mph 61%
2pm Sunny 75º 2% WNW 9 mph 59%
Sat
Sep 5
Sunny 77º / 65º 5% NW 12 mph 61%
Sun
Sep 6
PM Showers 77º / 65º 38% WNW 11 mph 65%
Mon
Sep 7
Mostly Sunny 78º / 66º 12% WNW 12 mph 64%
Tue
Sep 8
Partly Cloudy 76º / 66º 17% WNW 13 mph 69%
Wed
Sep 9
Partly Cloudy 75º / 65º 22% WNW 16 mph 68%

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

* Playback displays weather for the past 6 hours.

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

Today
High : 71ºF
WNW wind 15 to 20 kt. Sunny. Mixed swell...NW 1 ft at 6 seconds and S 1 ft at 11 seconds. Wind waves around 3 ft.
Tonight
Low : 62ºF
WNW wind 15 to 20 kt. Mostly clear. Mixed swell...WNW 3 ft at 7 seconds and SSW 1 ft at 12 seconds. Wind waves 3 to 4 ft.
Thursday
High : 70ºF
WNW wind 10 to 15 kt. Sunny. Mixed swell...WNW 2 to 3 ft at 6 seconds and SSW 1 ft at 12 seconds. Wind waves 2 to 3 ft.
Thursday Night
Low : 63ºF
WNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Mixed swell...NNW 4 ft and SSW 1 ft. Wind waves 2 to 3 ft.
Friday
High : 71ºF
WNW wind 5 to 10 kt. Sunny. Mixed swell...WNW 2 to 3 ft and S 2 ft. Wind waves around 1 ft.
Friday Night
Low : 63ºF
WNW wind 5 to 10 kt. Mostly clear. Mixed swell...WNW 4 ft and S 3 ft. Wind waves around 1 ft.
Saturday
High : 73ºF
Variable winds 5 kt or less. Sunny. Mixed swell...WNW 3 ft and S 3 ft. Wind waves 1 ft or less.
Saturday Night
Low : 66ºF
Variable winds 5 kt or less. A slight chance of showers. Mixed swell...WNW 3 ft and S 3 ft. Wind waves 1 ft or less.
Sunday
High : 75ºF
WNW wind 5 to 10 kt. A chance of showers. Mixed swell...W 2 to 3 ft and S 3 ft. Wind waves around 1 ft.

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

    WednesdayThursdayFriday
    Wind Speed (MPH) 18232219161215181814116
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 18232219161215181814116
    DIR WNWWNWWNWWNWWNWNWWNWWNWWNWNWNWNW

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

    As Of: 1 minute ago

    • 78ºF
    • 80ºF
    • 18mph
    • 0º (WNW)
    • 22mph
    • Sunny
    • 10mi
    • 29.98"
    • 47%
    • 0ºF

    The weather right now in Prisoners Harbor, Santa Cruz Island, CA is Sunny. The current temperature is 78°F, and the expected high and low for today, Wednesday, September 2, 2026, are 79° high temperature and 62°F low temperature. The wind is currently blowing at 18 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 80° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 47 percent, and air pressure at 29.98 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:03pm Wed Sep 2 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

    WHAT: Hazardous sea conditions.

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

    WHEN: Until 3 AM PDT Thursday.

    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.

    &&