Alcatraz Island, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jan 13 		Partly Cloudy
Close Hourly 		-º / 44º 3% ESE 3 mph 64%
7pm Mostly Clear 54º 1% NW 1 mph 45%
8pm Partly Cloudy 52º 1% W 1 mph 50%
9pm Partly Cloudy 51º 1% W 1 mph 55%
10pm Partly Cloudy 50º 1% WSW 2 mph 63%
11pm Partly Cloudy 49º 1% S 1 mph 69%
Tue
Jan 14 		Sunny
View Hourly 		61º / 44º 2% NNE 6 mph 55%
12am Partly Cloudy 48º 2% SSE 1 mph 71%
1am Mostly Clear 47º 2% SE 1 mph 76%
2am Mostly Clear 47º 4% ESE 1 mph 73%
3am Clear 47º 4% ENE 2 mph 76%
4am Mostly Clear 46º 3% ENE 3 mph 75%
5am Mostly Clear 46º 3% ENE 3 mph 74%
6am Mostly Clear 45º 3% NE 3 mph 74%
7am Clear 45º 2% NE 4 mph 74%
8am Sunny 45º 2% NE 5 mph 74%
9am Sunny 49º 1% NE 5 mph 65%
10am Mostly Sunny 52º 0% NE 5 mph 57%
11am Mostly Sunny 54º 0% NE 5 mph 50%
12pm Sunny 56º 0% NE 5 mph 47%
1pm Sunny 57º 0% NNE 6 mph 45%
2pm Sunny 58º 0% N 5 mph 44%
3pm Sunny 59º 0% N 5 mph 43%
4pm Sunny 59º 1% NNW 6 mph 45%
5pm Sunny 57º 2% NW 5 mph 52%
6pm Clear 55º 3% NW 5 mph 58%
7pm Clear 53º 4% NNW 4 mph 62%
8pm Clear 52º 4% NNW 3 mph 68%
9pm Clear 50º 4% N 2 mph 72%
10pm Clear 49º 5% NNE 2 mph 74%
11pm Clear 48º 5% NE 2 mph 76%
Wed
Jan 15 		Sunny
View Hourly 		62º / 44º 4% NE 7 mph 57%
12am Clear 48º 5% NE 2 mph 76%
1am Mostly Clear 47º 5% NE 3 mph 78%
2am Mostly Clear 46º 5% NE 3 mph 77%
3am Mostly Clear 46º 6% NE 4 mph 78%
4am Mostly Clear 46º 5% NE 4 mph 78%
5am Mostly Clear 45º 5% NE 4 mph 78%
6am Mostly Clear 45º 5% NE 5 mph 76%
7am Mostly Clear 45º 4% NE 5 mph 76%
8am Sunny 45º 4% NE 5 mph 76%
9am Sunny 48º 3% NE 5 mph 71%
10am Sunny 51º 2% NE 6 mph 63%
11am Sunny 54º 1% NE 7 mph 57%
12pm Sunny 56º 1% NE 6 mph 52%
1pm Sunny 58º 1% NE 7 mph 50%
2pm Sunny 60º 1% NNE 6 mph 47%
3pm Sunny 60º 1% NNE 7 mph 45%
4pm Sunny 60º 1% NNE 7 mph 45%
5pm Sunny 58º 0% NNE 6 mph 49%
6pm Clear 56º 1% NNE 6 mph 52%
Thu
Jan 16 		Sunny 62º / 46º 4% N 5 mph 59%
Fri
Jan 17 		AM Fog/PM Sun 57º / 45º 8% SW 8 mph 73%
Sat
Jan 18 		AM Fog/PM Sun 57º / 43º 7% NNW 7 mph 68%
Sun
Jan 19 		Partly Cloudy 56º / 42º 3% NNE 9 mph 46%
Mon
Jan 20 		Partly Cloudy 59º / 42º 2% NNE 8 mph 46%

Weather Radar for Alcatraz Island, CA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Alcatraz Island, CA

Tonight
Low : 48ºF
Variable winds 5 kt or less. Clear.
Tuesday
High : 56ºF
NNE wind around 6 kt becoming NNW in the afternoon. Sunny.
Tuesday Night
Low : 47ºF
Variable winds 5 kt or less. Mostly clear.
Wednesday
High : 57ºF
NE wind around 7 kt. Sunny.
Wednesday Night
Low : 47ºF
Variable winds 5 kt or less. Clear.
Thursday
High : 56ºF
Variable winds 5 kt or less. Sunny.
Thursday Night
Low : 48ºF
Variable winds 5 kt or less. Mostly clear.
Friday
High : 53ºF
Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Mostly sunny.
Friday Night
Low : 47ºF
W wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy.

NOAA Buoy Data Near Alcatraz Island, CA See Map

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    Wind Speed Forecast for Alcatraz Island, CA

    MondayTuesdayWednesday
    Wind Speed (MPH) 112455424577
    7pm11pm3am7am11am3pm7pm11pm3am7am11am3pm
    MPH 112455424577
    DIR NWSENENENENNNWNENENENENNE

    Current Weather Conditions In Alcatraz Island, CA

    As Of: 36 minutes ago

    • 54ºF
    • 54ºF
    • 1mph
    • 0º (NW)
    • 1mph
    • Mostly Clear
    • 8mi
    • 30.32"
    • 45%
    • 0ºF

    The weather right now in Alcatraz Island, CA is Mostly Clear. The current temperature is 54°F, and the expected high and low for today, Monday, January 13, 2025, are -° high temperature and 44°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the Northwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 54° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 45 percent, and air pressure at 30.32 in. Visibility is 8 nautical miles. There are no current weather alert(s).