San Nicolas Island, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Aug 21 		Partly Cloudy
Close Hourly 		70º / 63º 15% NW 19 mph 84%
7am Mostly Cloudy 64º 15% NW 9 mph 90%
8am Mostly Cloudy 65º 15% NW 9 mph 89%
9am Mostly Cloudy 67º 15% NW 8 mph 86%
10am Mostly Cloudy 69º 15% NW 9 mph 86%
11am Mostly Cloudy 71º 3% NW 10 mph 82%
12pm Partly Cloudy 71º 2% NW 10 mph 81%
1pm Partly Cloudy 71º 3% NW 12 mph 81%
2pm Partly Cloudy 69º 5% WNW 15 mph 79%
3pm Partly Cloudy 69º 5% WNW 16 mph 78%
4pm Partly Cloudy 68º 5% WNW 18 mph 79%
5pm Partly Cloudy 67º 6% WNW 19 mph 81%
6pm Partly Cloudy 66º 6% WNW 19 mph 83%
7pm Mostly Sunny/Wind 65º 12% WNW 20 mph 87%
8pm Clear/Wind 64º 7% WNW 20 mph 88%
9pm Mostly Clear/Wind 64º 8% WNW 20 mph 85%
10pm Clear 64º 10% WNW 19 mph 84%
11pm Clear 64º 7% WNW 18 mph 85%
Sat
Aug 22 		Partly Cloudy/Wind
View Hourly 		69º / 62º 20% NW 21 mph 82%
12am Clear 64º 12% WNW 17 mph 84%
1am Partly Cloudy 64º 20% WNW 17 mph 84%
2am Partly Cloudy 64º 23% WNW 17 mph 84%
3am Partly Cloudy 64º 23% NW 18 mph 85%
4am Partly Cloudy 64º 21% NW 18 mph 85%
5am Partly Cloudy 64º 23% NW 17 mph 86%
6am Partly Cloudy 64º 20% NW 17 mph 87%
7am Partly Cloudy 64º 20% NW 16 mph 87%
8am Partly Cloudy 65º 20% NW 15 mph 85%
9am Partly Cloudy 66º 20% NW 14 mph 83%
10am Mostly Sunny 67º 6% NW 15 mph 83%
11am Sunny 68º 5% NW 15 mph 80%
12pm Sunny 68º 5% NW 16 mph 80%
1pm Sunny 68º 9% NW 17 mph 80%
2pm Sunny 69º 9% WNW 18 mph 78%
3pm Sunny 69º 6% WNW 19 mph 79%
4pm Sunny/Wind 68º 6% WNW 21 mph 80%
5pm Sunny/Wind 67º 8% WNW 21 mph 81%
6pm Sunny/Wind 66º 11% WNW 21 mph 83%
7pm Sunny/Wind 65º 7% WNW 22 mph 85%
8pm Clear/Wind 65º 12% WNW 22 mph 86%
9pm Clear/Wind 65º 14% WNW 22 mph 84%
10pm Clear/Wind 64º 13% WNW 22 mph 84%
11pm Clear/Wind 64º 15% WNW 21 mph 84%
Sun
Aug 23 		Partly Cloudy/Wind
View Hourly 		69º / 63º 17% WNW 21 mph 84%
12am Clear/Wind 64º 17% WNW 21 mph 84%
1am Clear 64º 17% WNW 19 mph 85%
2am Clear 64º 17% WNW 19 mph 85%
3am Clear 64º 20% WNW 19 mph 85%
4am Clear 64º 21% WNW 18 mph 86%
5am Mostly Clear 63º 21% WNW 18 mph 87%
6am Clear 63º 18% WNW 18 mph 88%
Mon
Aug 24 		Sunny/Wind 67º / 63º 10% NW 22 mph 87%
Tue
Aug 25 		Sunny/Wind 68º / 64º 6% NW 24 mph 84%
Wed
Aug 26 		Sunny/Wind 69º / 64º 6% NW 20 mph 83%
Thu
Aug 27 		Partly Cloudy 70º / 65º 6% NW 18 mph 83%
Fri
Aug 28 		Partly Cloudy 70º / 64º 6% NW 19 mph 83%

Weather Radar for San Nicolas Island, CA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for San Nicolas Island, CA

Today
High : 69ºF
WNW wind 10 to 15 kt. Patchy fog before 11am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
Low : 63ºF
NW wind around 15 kt. Patchy fog after 11pm. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Saturday
High : 69ºF
NW wind 10 to 15 kt. Patchy fog before 11am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Saturday Night
Low : 63ºF
WNW wind 15 to 20 kt. Patchy fog after 11pm. N swell 0 ft. Wind waves 1 ft or less.
Sunday
High : 70ºF
WNW wind around 15 kt. Patchy fog before 11am. N swell 0 ft. Wind waves 1 ft or less.
Sunday Night
Low : 62ºF
WNW wind around 15 kt. Patchy fog after 11pm. N swell 0 ft. Wind waves 1 ft or less.
Monday
High : 68ºF
NW wind around 15 kt. Patchy fog before 11am. N swell 0 ft. Wind waves 1 ft or less.
Monday Night
Low : 63ºF
WNW wind 15 to 20 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Tuesday
High : 69ºF
NW wind around 15 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

NOAA Buoy Data Near San Nicolas Island, CA See Map

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    Wind Speed Forecast for San Nicolas Island, CA

    FridaySaturdaySunday
    Wind Speed (MPH) 91016201818161519222119
    2pm6pm10pm2am6am10am2pm6pm10pm2am6am10am
    MPH 91016201818161519222119
    DIR NWNWWNWWNWWNWNWNWNWWNWWNWWNWWNW

    Current Weather Conditions In San Nicolas Island, CA

    As Of: 22 minutes ago

    • 64ºF
    • 63ºF
    • 9mph
    • 0º (NW)
    • 9mph
    • Mostly Cloudy
    • 5mi
    • 29.97"
    • 90%
    • 0ºF

    The weather right now in San Nicolas Island, CA is Mostly Cloudy. The current temperature is 64°F, and the expected high and low for today, Friday, August 21, 2026, are 70° high temperature and 63°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the Northwest. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 63° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 90 percent, and air pressure at 29.97 in. Visibility is 5 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:57am Fri Aug 21 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SUNDAY...

    WHAT: Hazardous sea conditions.

    WHERE: Outer waters from Santa Cruz Island to San Clemente
    Island to 60 NM offshore including San Nicolas and Santa
    Barbara Islands.

    WHEN: Until 9 AM PDT Sunday.

    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.

    &&