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 05:52 AM and sunset is at 08:20 PM.
Days 1–3 Weather SummaryMostly dry. Cool air temperatures (max 16°C on Tue afternoon, min 11°C on Mon night). Mainly fresh winds. | Days 4–6 Weather SummaryMostly dry. Cool air temperatures (max 18°C on Sat afternoon, min 11°C on Fri night). Wind will be generally light. | Days 7–9 Weather SummaryMostly dry. Very mild (max 17°C on Sun afternoon, min 10°C on Sun night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Very mild (max 17°C on Fri afternoon, min 11°C on Wed night). Wind will be generally light. | Days 13–16 Weather SummaryMostly dry. Very mild (max 19°C on Sat afternoon, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tue 9 | ||||||||||||||||||||||||||||||||
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 | 8:19AM1.21m | 8:57PM1.73m | 9:36AM1.19m | 9:31PM1.77m | 10:44AM1.22m | 10:02PM1.80m | 11:44AM1.26m | 10:32PM1.81m | 12:36PM1.30m | 11:01PM1.81m | 1:24PM1.33m | 11:31PM1.80m | 2:07PM1.34m | 00:03AM1.79m | 2:48PM1.34m | 00:38AM1.76m | 3:28PM1.33m | 1:16AM1.72m | 4:06PM1.32m | 1:55AM1.65m | 4:44PM1.33m | 2:39AM1.57m | 5:23PM1.35m | 6:00PM1.41m | 6:36PM1.48m | 5:39AM1.22m | |||||||||||||||||||||
Low Tide | 2:03PM0.29m | 3:28AM0.21m | 2:50PM0.45m | 4:15AM0.05m | 3:35PM0.60m | 4:55AM-0.07m | 4:17PM0.74m | 5:32AM-0.15m | 4:59PM0.85m | 6:07AM-0.20m | 5:39PM0.93m | 6:42AM-0.22m | 6:18PM0.98m | 7:16AM-0.23m | 6:56PM1.01m | 7:52AM-0.22m | 7:35PM1.02m | 8:28AM-0.20m | 8:17PM1.02m | 9:06AM-0.16m | 9:07PM1.01m | 9:47AM-0.11m | 10:09PM0.97m | 10:29AM-0.04m | 11:20PM0.89m | 11:13AM0.07m | 00:31AM0.74m | 12:01PM0.20m | |||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 | |  |  | |  | | |  | | | | | | | | | | | | | | | | |  | | | | | | | | | | | | | | | | | | | | | | |
some clouds | some clouds | some clouds | clear | clear | clear | some clouds | clear | cloudy | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | some clouds | cloudy | some clouds | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 13 | 14 | 12 | 15 | 16 | 13 | 14 | 16 | 13 | 14 | 16 | 13 | 14 | 15 | 13 | 15 | 18 | 15 | 15 | 17 | 14 | 14 | 15 | 12 | 14 | 16 | 14 | 16 | 16 | 13 | 15 | 16 | 14 | 15 | 17 | 15 | 17 | 19 | 16 | 14 | 16 | 13 | 14 | 17 | 13 | 15 | 17 |
Moonrise | — | 3:19 | — | — | 4:19 | — | — | 5:21 | — | — | 6:22 | — | — | 7:24 | — | — | 8:24 | — | — | — | 9:21 | — | — | 10:12 | — | — | 10:57 | — | — | 11:35 | — | — | — | 12:08 | — | — | 12:36 | — | — | 1:01 | — | — | 1:25 | — | — | 1:49 | — |
Moonset | 2:42 | — | — | 3:04 | — | — | 3:28 | — | — | 3:54 | — | — | 4:23 | — | — | 4:57 | — | — | 5:37 | — | — | 6:25 | — | — | 7:18 | — | — | 8:17 | — | — | 9:18 | — | — | 10:20 | — | — | 11:23 | — | — | 12:25 | — | — | 1:29 | — | — | 2:35 | — |
 | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — |
 | — | 8:20 | — | — | 8:21 | — | — | 8:22 | — | — | 8:22 | — | — | 8:22 | — | — | 8:23 | — | — | 8:24 | — | — | 8:24 | — | — | 8:25 | — | — | 8:27 | — | — | 8:27 | — | — | 8:28 | — | — | 8:28 | — | — | 8:29 | — | — | 8:30 | — | — | 8:30 |
Today's sea temperature in Alcatraz Island, San Francisco Bay is 15.4° C (Statistics for 25 May 1981-2005 – mean: 12.1 max: 14.7 min: 10.3°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
Nearest