Alcatraz Island, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jan 22
Partly Cloudy 60º / 47º 10% NE 5 mph 89%
Thu
Jan 23
Cloudy
View Hourly
57º / 48º 10% NE 7 mph 83%
12am Partly Cloudy 50º 0% NE 4 mph 89%
1am Partly Cloudy 50º 0% NE 6 mph 90%
2am Mostly Cloudy 49º 0% NE 6 mph 90%
3am Mostly Cloudy 49º 10% NE 6 mph 91%
4am Mostly Cloudy 49º 10% NE 6 mph 92%
5am Mostly Cloudy 49º 10% NE 6 mph 90%
6am Mostly Cloudy 49º 10% ENE 6 mph 90%
7am Cloudy 49º 10% NE 6 mph 92%
8am Cloudy 49º 10% NE 6 mph 92%
9am Cloudy 50º 10% NE 7 mph 90%
10am Cloudy 52º 10% NE 7 mph 87%
11am Cloudy 53º 10% NE 7 mph 83%
12pm Cloudy 54º 0% NE 8 mph 81%
1pm Cloudy 55º 0% NE 8 mph 78%
2pm Cloudy 56º 0% NNE 8 mph 75%
3pm Cloudy 57º 0% NNE 8 mph 74%
4pm Cloudy 57º 10% N 8 mph 75%
5pm Cloudy 55º 10% NNE 7 mph 80%
6pm Mostly Cloudy 54º 10% N 7 mph 84%
7pm Mostly Cloudy 53º 10% N 7 mph 86%
8pm Mostly Cloudy 52º 10% N 7 mph 89%
9pm Mostly Cloudy 52º 10% NNW 4 mph 90%
10pm Mostly Cloudy 51º 10% NW 3 mph 92%
11pm Partly Cloudy 51º 10% WNW 2 mph 94%
Fri
Jan 24
Mostly Cloudy
View Hourly
57º / 49º 10% SW 7 mph 91%
12am Partly Cloudy 50º 10% WNW 2 mph 95%
1am Clear 50º 10% WNW 3 mph 96%
2am Mostly Clear 49º 10% W 2 mph 97%
3am Mostly Clear 49º 10% SW 1 mph 97%
4am Partly Cloudy 49º 20% SSE 1 mph 97%
5am Mostly Cloudy 50º 20% SE 2 mph 95%
6am Mostly Cloudy 50º 20% SSE 2 mph 94%
7am Mostly Cloudy 50º 10% SSE 2 mph 94%
8am Cloudy 50º 10% SSE 3 mph 96%
9am Mostly Cloudy 51º 10% SSE 3 mph 95%
10am Mostly Cloudy 54º 10% SSE 3 mph 90%
11am Mostly Cloudy 55º 10% S 3 mph 88%
12pm Mostly Cloudy 55º 10% SSW 4 mph 89%
1pm Mostly Cloudy 56º 10% SW 6 mph 87%
2pm Mostly Cloudy 56º 10% W 7 mph 86%
3pm Mostly Cloudy 56º 10% W 8 mph 85%
4pm Mostly Cloudy 56º 10% WSW 8 mph 86%
5pm Mostly Cloudy 55º 10% W 8 mph 89%
6pm Mostly Cloudy 54º 10% WSW 7 mph 91%
7pm Mostly Cloudy 54º 10% WSW 6 mph 91%
8pm Cloudy 53º 10% WSW 4 mph 93%
Sat
Jan 25
PM Showers 57º / 51º 40% S 5 mph 89%
Sun
Jan 26
Partly Cloudy 56º / 47º 20% W 12 mph 87%
Mon
Jan 27
Partly Cloudy 55º / 48º 10% WSW 9 mph 84%
Tue
Jan 28
Partly Cloudy 56º / 48º 20% W 9 mph 86%
Wed
Jan 29
Partly Cloudy 57º / 49º 20% WNW 7 mph 84%
Thu
Jan 30
Partly Cloudy 60º / 49º 10% WNW 8 mph 82%
Fri
Jan 31
Partly Cloudy 60º / 48º 10% N 7 mph 81%

Weather Radar Map near Alcatraz Island, CA See Radar

NOAA Weather Marine Forecast for Alcatraz Island, CA

Overnight
Low : 51ºF
NNE wind around 6 kt becoming variable and less than 5 kt. Mostly cloudy.
Thursday
High : 57ºF
NNW wind around 7 kt. Cloudy.
Thursday Night
Low : 52ºF
NW wind around 7 kt becoming W after midnight. Cloudy, then gradually becoming partly cloudy.
Friday
High : 59ºF
Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Patchy fog before 10am.
Friday Night
Low : 55ºF
W wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A slight chance of rain after 10pm.
Saturday
High : 59ºF
Variable winds 5 kt or less. A chance of rain.
Saturday Night
Low : 55ºF
S wind around 6 kt. Rain likely, mainly after 10pm.
Sunday
High : 57ºF
W wind 5 to 7 kt. Rain likely.
Sunday Night
Low : 52ºF
SW wind around 6 kt becoming NW after midnight. A chance of rain.

NOAA Buoy Data Near Alcatraz Island, CA See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Alcatraz Island, CA

    ThursdayFriday
    Wind Speed (MPH) 466887213484
    12am4am8am12pm4pm8pm12am4am8am12pm4pm8pm
    MPH 466887213484
    DIR NENENENENNWNWSSESSESSWWSWWSW

    Current Weather Conditions In Alcatraz Island, CA

    As Of: 50 minutes ago

    • 52ºF
    • 52ºF
    • 0mph
    • 0º ()
    • 0mph
    • Few Clouds
    • 10mi
    • Unl
    • 30.27"
    • 77%
    • 45ºF

    The weather right now in Alcatraz Island, CA is Partly Cloudy. The current temperature is 50°F, and the expected high and low for today, Thursday, January 23, 2020, are 60°F high temperature and 47°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Northeast. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 52°F farenheit. Expected precipitation is 0 percent, with current humidity at 77 percent, and air pressure at 30.27 in. Visibility is 10 nautical miles. There are no current weather alert(s).