Geography of Alcatraz Island
Geography of Alcatraz Island: location, coordinates, elevation, terrain and the places around it.
Geography of Alcatraz Island
Fisherman's Wharf is 1 mi to the south, ZIP Code 94133 is 2 mi to the south, Golden Gate Bridge is 3 mi to the west and ZIP Code 94102 is 3 mi to the south.
Map of Alcatraz Island
Interactive map with nearby places. Switch between street, terrain and satellite views.
Coordinates: 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423)
Quick facts about Alcatraz Island
| Type | Attraction |
|---|---|
| City | San Francisco |
| Country | United States |
| Continent | North America |
| Coordinates | 37°49′36.1″N 122°25′22.8″W (37.8267, -122.423) |
| Known for | the former federal prison in the bay |
| Local time | 5:47 PM (UTC-07:00) |
| Best months | May, June, July, August, September and October |
| Climate | Temperate |
Summary
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
Right now it is 62°F (16°C) in Alcatraz Island with overcast. It feels like 59°F. Today runs from 57°F to 69°F. Chance of precipitation is 2%. Sightseeing conditions score 9.2/10 - excellent - go now.
The best time to visit Alcatraz Island is May, June, July, August, September and October. The climate is temperate. January, February and December tend to be the least comfortable months. October is the warmest month with average highs near 71°F, while January is the coldest with lows near 46°F.
The closest major airport is San Francisco International Airport (SFO), about 14 mi away. Nearby highlights include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park and Julia Pfeiffer Burns State Park.
In plain terms. Today is about average for August. The forecast high of 69°F is in line with the 69°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Alcatraz Island today at 9.2/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Climate in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 58° | 46° | 3,3 in | ★★★☆☆ |
| February | 59° | 47° | 5,6 in | ★★★☆☆ |
| March | 64° | 50° | 3,0 in | ★★★★☆ |
| April | 63° | 50° | 2,0 in | ★★★★☆ |
| May | 65° | 52° | 0,6 in | ★★★★★ |
| June | 66° | 54° | 0,0 in | ★★★★★ |
| July | 65° | 55° | 0,1 in | ★★★★★ |
| August | 69° | 57° | 0,0 in | ★★★★★ |
| September | 69° | 58° | 0,2 in | ★★★★★ |
| October | 71° | 55° | 0,7 in | ★★★★★ |
| November | 62° | 50° | 4,1 in | ★★★☆☆ |
| December | 57° | 47° | 5,8 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Explore Alcatraz Island
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Frequently asked questions
Where is Alcatraz Island?
Alcatraz Island is a tourist attraction in San Francisco. Its coordinates are 37.8267, -122.423. It lies in North America.
What is the weather like in Alcatraz Island right now?
It is currently 62°F (16°C) with overcast. Humidity is 91% and wind is 14 mph.
When is the best time to visit Alcatraz Island?
May, June, July, August, September and October offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Alcatraz Island in?
Alcatraz Island observes America/Los_Angeles (UTC-07:00). The local time is 5:47 PM.
What is the nearest airport to Alcatraz Island?
The closest airports are San Francisco International Airport (SFO), 14 mi away.
What are the top things to do in Alcatraz Island?
Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, Julia Pfeiffer Burns State Park, Emerald Bay State Park and Lake Tahoe.
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| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| Map tiles | OpenStreetMap contributors, CARTO and Esri. |
| Elevation | Open-Meteo digital elevation model where the dataset has no value. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 5:47 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
