open water

Alcatraz Island Beach

The infamous and iconic island former prison, visible from Aquatic Park in the middle of San Francisco Bay, Alcatraz Island... Read More

San Francisco, California, USA View on map
Water Temperature: 54.4 ℉
Wave height: 1.5 feet
Wind Speed: 9.8 mph
Wave Period: 2.4 sec
Air Temperature: 50 ℉
Wave Direction: South South West
Wind Direction: South West
Cloud Cover: Sunny/Clear

Swim Forecast

Days High Air Temperature Wind Speed Wind Direction Wave Direction Water High Temperature
Wed 12 March temp 54 ℉ 27 mph temp West South West temp West 55℉
Thu 13 March temp 50 ℉ 18 mph temp South West temp South South West 54℉
Fri 14 March temp 54 ℉ 18 mph temp West temp West 54℉
Sat 15 March temp 55 ℉ 16 mph temp West North West temp West 55℉
Sun 16 March temp 57 ℉ 18 mph temp South South West temp West 54℉

Tide Chart

Tide Time Zone (America/Los_Angeles) Height
High Tide 04:17 AM ( Sat 08 March) 0.4 m ( 1.3 feet)
Low Tide 08:31 AM ( Sat 08 March) 0.1 m ( 0.3 feet)
High Tide 02:09 PM ( Sat 08 March) 0.8 m ( 2.6 feet)
Low Tide 09:39 PM ( Sat 08 March) -1 m ( -3.3 feet)
Tide Time Zone (America/Los_Angeles) Height
13 March 2025
High Tide 04:17 AM (Sat 08 March) 0.4 m()
Low Tide 08:31 AM (Sat 08 March) 0.1 m()
High Tide 02:09 PM (Sat 08 March) 0.8 m()
Low Tide 09:39 PM (Sat 08 March) -1 m()
14 March 2025
High Tide 05:12 AM (Sun 09 March) 0.5 m()
Low Tide 09:44 AM (Sun 09 March) -0 m()
High Tide 03:21 PM (Sun 09 March) 0.8 m()
Low Tide 10:33 PM (Sun 09 March) -1.1 m()
15 March 2025
High Tide 05:54 AM (Mon 10 March) 0.5 m()
Low Tide 10:40 AM (Mon 10 March) -0.1 m()
High Tide 04:25 PM (Mon 10 March) 0.8 m()
Low Tide 11:17 PM (Mon 10 March) -1.1 m()
16 March 2025
High Tide 06:30 AM (Tue 11 March) 0.6 m()
Low Tide 11:25 AM (Tue 11 March) -0.3 m()
High Tide 05:20 PM (Tue 11 March) 0.7 m()
Low Tide 11:54 PM (Tue 11 March) -1 m()
17 March 2025
High Tide 07:01 AM (Wed 12 March) 0.6 m()
Low Tide 12:06 PM (Wed 12 March) -0.4 m()
High Tide 06:09 PM (Wed 12 March) 0.7 m()
13 March 2025
Low Tide 12:26 AM (Thu 13 March) -1 m()
High Tide 07:28 AM (Thu 13 March) 0.6 m()
Low Tide 12:45 PM (Thu 13 March) -0.5 m()
High Tide 06:53 PM (Thu 13 March) 0.7 m()
13 March 2025
Low Tide 12:56 AM (Fri 14 March) -0.9 m()
High Tide 07:52 AM (Fri 14 March) 0.6 m()
Low Tide 01:21 PM (Fri 14 March) -0.6 m()
High Tide 07:36 PM (Fri 14 March) 0.6 m()
13 March 2025
Low Tide 01:25 AM (Sat 15 March) -0.8 m()
High Tide 08:13 AM (Sat 15 March) 0.7 m()
Low Tide 01:56 PM (Sat 15 March) -0.6 m()
High Tide 08:19 PM (Sat 15 March) 0.5 m()
13 March 2025
Low Tide 01:52 AM (Sun 16 March) -0.6 m()
High Tide 08:34 AM (Sun 16 March) 0.7 m()
Low Tide 02:31 PM (Sun 16 March) -0.7 m()
High Tide 09:02 PM (Sun 16 March) 0.4 m()
13 March 2025
Low Tide 02:19 AM (Mon 17 March) -0.5 m()
High Tide 08:56 AM (Mon 17 March) 0.7 m()
Low Tide 03:07 PM (Mon 17 March) -0.7 m()
High Tide 09:47 PM (Mon 17 March) 0.3 m()

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