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 07:18 AM and sunset is at 07:17 PM.
Days 1–3 Weather SummaryMostly dry. Warm air temperatures (max 28°C on Tue afternoon, min 18°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm air temperatures (max 26°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light. | Days 7–9 Weather SummarySome drizzle, heaviest during Tue night. Very mild (max 16°C on Tue afternoon, min 7°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the WNW by Wed afternoon). | Days 10–12 Weather SummaryMostly dry. Warm (max 21°C on Sat afternoon, min 7°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||||||||||||||||||||||
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wed 1 | ||||||||||||||||||||||||||||||||
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 | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 11:16AM1.69m | 00:13AM1.59m | 12:04PM1.66m | 00:39AM1.69m | 12:53PM1.62m | 1:07AM1.77m | 1:47PM1.54m | 1:38AM1.84m | 2:44PM1.44m | 2:13AM1.88m | 3:50PM1.33m | 2:54AM1.88m | 5:09PM1.25m | 6:39PM1.23m | 8:03PM1.28m | 6:02AM1.69m | 9:05PM1.36m | 7:23AM1.65m | 9:52PM1.45m | 8:38AM1.64m | 10:31PM1.53m | 9:42AM1.64m | 11:06PM1.60m | 10:40AM1.62m | 11:37PM1.66m | 11:32AM1.58m | |||||||||||||||||||||
Low Tide | 5:15AM0.49m | 5:35PM-0.02m | 5:53AM0.33m | 6:07PM0.06m | 6:33AM0.16m | 6:40PM0.19m | 7:16AM0.02m | 7:14PM0.35m | 8:02AM-0.08m | 7:52PM0.53m | 8:53AM-0.13m | 8:33PM0.70m | 9:51AM-0.14m | 9:23PM0.86m | 10:58AM-0.11m | 10:34PM0.97m | 12:15PM-0.09m | 00:11AM1.00m | 1:32PM-0.09m | 1:43AM0.92m | 2:37PM-0.10m | 2:53AM0.76m | 3:31PM-0.10m | 3:50AM0.59m | 4:15PM-0.07m | 4:40AM0.41m | 4:54PM0.00m | 5:24AM0.26m | |||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 | |  | | | | | | | | |  |  | | | | | | |  | | | |  | | | | | | | | | | | | | | | | | |  | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | cloudy | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 21 | 28 | 24 | 22 | 26 | 24 | 21 | 27 | 24 | 23 | 26 | 18 | 15 | 18 | 13 | 15 | 18 | 16 | 14 | 14 | 12 | 15 | 16 | 13 | 10 | 15 | 10 | 10 | 16 | 14 | 14 | 20 | 17 | 16 | 21 | 16 | 14 | 16 | 16 | 18 | 23 | 20 | 19 | 23 | 18 | 15 | 16 |
Moonrise | 6:35 | — | — | 7:00 | — | — | 7:25 | — | — | 7:52 | — | — | 8:23 | — | — | 8:59 | — | — | 9:44 | — | — | 10:38 | — | — | 11:41 | — | — | 12:51 | — | — | 2:03 | — | — | — | 3:14 | — | — | 4:22 | — | — | 5:27 | — | — | 6:31 | — | — | 7:33 |
Moonset | — | 6:11 | — | — | 7:19 | — | — | 8:29 | — | — | — | 9:42 | — | — | 10:58 | — | — | — | 12:14 | — | — | 1:27 | — | — | 2:33 | — | — | 3:29 | — | — | 4:14 | — | — | 4:50 | — | — | 5:20 | — | — | 5:46 | — | — | 6:10 | — | — | 6:32 | — |
 | 7:18 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — |
 | — | 7:17 | — | — | 7:19 | — | — | 7:20 | — | — | 7:21 | — | — | 7:22 | — | — | 7:22 | — | — | 7:23 | — | — | 7:23 | — | — | 7:24 | — | — | 7:25 | — | — | 7:27 | — | — | 7:28 | — | — | 7:29 | — | — | 7:30 | — | — | 7:30 | — | — | 7:31 |
Today's sea temperature in Alcatraz Island, San Francisco Bay is 14.9° C (Statistics for 17 Mar 1981-2005 – mean: 12.1 max: 13.6 min: 10.7°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
Nearest