Alcatraz Island, San Francisco Bay Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at —.
Days 1–4 Weather SummaryMostly dry. Cool air temperatures (max 15°C on Mon morning, min 9°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm air temperatures (max 20°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light. | Days 8–10 Weather SummaryMostly dry. Very mild (max 19°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light. | Days 11–13 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Very mild (max 16°C on Tue afternoon, min 12°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 2:13AM1.54m | 12:30PM2.06m | 3:05AM1.54m | 1:24PM1.91m | 3:57AM1.55m | 2:22PM1.71m | 4:48AM1.57m | 3:27PM1.51m | 5:36AM1.61m | 4:43PM1.32m | 6:20AM1.66m | 6:11PM1.19m | 7:00AM1.71m | 7:40PM1.16m | 7:36AM1.76m | 8:59PM1.19m | 8:09AM1.79m | 10:03PM1.26m | 8:40AM1.82m | 10:57PM1.33m | 9:11AM1.85m | 11:43PM1.38m | 9:44AM1.86m | |||||||||||||
Low Tide | 6:35AM0.96m | 7:38PM-0.43m | 7:38AM0.95m | 8:30PM-0.30m | 8:49AM0.92m | 9:22PM-0.14m | 10:06AM0.85m | 10:15PM0.04m | 11:25AM0.73m | 11:07PM0.22m | 12:37PM0.56m | 00:00AM0.40m | 1:38PM0.39m | 00:52AM0.58m | 2:29PM0.22m | 1:41AM0.73m | 3:12PM0.08m | 2:29AM0.86m | 3:50PM-0.03m | 3:13AM0.95m | 4:25PM-0.10m | 3:55AM1.01m | 4:59PM-0.15m | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 |  | | | | | | | | | | | | | | | | | | | |  | | | | | | |  | | | | |  | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | cloudy | clear | some clouds | cloudy | cloudy | light rain | cloudy | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | |
max°C | 10 | 13 | 14 | 13 | 15 | 15 | 14 | 15 | 15 | 15 | 17 | 17 | 16 | 18 | 20 | 17 | 17 | 19 | 16 | 17 | 19 | 17 | 17 | 17 | 14 | 15 | 15 | 14 | 15 | 16 | 15 | 16 | 16 | 15 | 15 | 16 |
Moonrise | — | — | 7:58 | — | — | — | 9:11 | — | — | 10:20 | — | — | 11:25 | — | — | — | 12:27 | — | — | 1:27 | — | — | 2:26 | — | — | 3:26 | — | — | 4:26 | — | — | 5:27 | — | — | 6:27 | — |
Moonset | — | 10:16 | — | — | 10:56 | — | — | 11:28 | — | — | 11:54 | — | — | 12:18 | — | — | 12:40 | — | — | 1:02 | — | — | 1:25 | — | — | 1:50 | — | — | 2:19 | — | — | 2:54 | — | — | — | 3:36 |
 | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — |
 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:51 | — | — | 4:51 | — | — | 4:51 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 |
Today's sea temperature in Alcatraz Island, San Francisco Bay is 13.3° C (Statistics for 06 Dec 1981-2005 – mean: 12.8 max: 15.5 min: 11.7°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
Nearest