Alcatraz Island, San Francisco Bay tide table for the next 7 days
Issued (local time): 3 pm Saturday 14 Dec 2019
Alcatraz Island, San Francisco Bay tide table for the next 7 days |
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Days 0–3 Weather Summary: Some drizzle, heaviest during Sat night. Cool air temperatures (max 12°C on Sat afternoon, min 7°C on Mon night). Winds decreasing (fresh winds from the WNW on Sat night, light winds from the NNE by Sun night). | Days 4–6 Weather Summary: Light rain (total 8mm), mostly falling on Tue night. Cool air temperatures (max 13°C on Tue afternoon, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||
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| Sat | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Fri | ||||||||||||
| Time of Day |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
| Wave Height Map See all maps |
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High Tide height (m) |
2:49AM
1.48 |
1:10PM
1.85 |
3:39AM
1.51 |
2:04PM
1.74 |
4:29AM
1.57 |
3:07PM
1.61 |
5:19AM
1.64 |
4:22PM
1.46 |
6:08AM
1.73 |
5:47PM
1.35 |
6:54AM
1.83 |
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Low Tide height (m) |
7:19PM
-0.32 |
7:16AM
0.94 |
8:06PM
-0.27 |
8:18AM
0.94 |
8:57PM
-0.19 |
9:30AM
0.89 |
9:51PM
-0.06 |
10:50AM
0.78 |
10:48PM
0.08 |
12:07PM
0.60 |
11:47PM
0.23 |
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Swell (m) direction |
W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW |
| Wave Height (m) | 2.2 | 2.3 | 2.2 | 2.1 | 1.9 | 1.5 | 1.4 | 1.4 | 1.3 | 1.4 | 2.4 | 2.5 | 3.0 | 2.4 | 1.7 | 1.6 | 2.0 | 2.3 |
| Period (s) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 15 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 12 | 18 |
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Wind (km/h) |
WNW |
WNW |
NNW |
NW |
NNE |
ENE |
NE |
ENE |
NE |
NE |
E |
SE |
SW |
SSE |
SE |
W |
ESE |
E |
| Today's sea temperature in Alcatraz Island, San Francisco Bay is 14.1 °C (Statistics for 14 Dec 1981-2005 – mean: 12.5 max: 15.3 min: 11.3 °C) | ||||||||||||||||||
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| Summary |
some clouds |
rain shwrs |
clear | clear |
some clouds |
clear | clear |
some clouds |
some clouds |
some clouds |
rain shwrs |
some clouds |
some clouds |
some clouds |
some clouds |
some clouds |
some clouds |
clear |
| Rain mm | - | 1 | - | - | - | - | - | - | - | - | 8 | - | - | - | - | - | - | - |
| High °C | 12 | 11 | 11 | 12 | 10 | 11 | 12 | 9 | 12 | 13 | 12 | 11 | 12 | 11 | 13 | 13 | 12 | 12 |
| Low °C | 11 | 9 | 9 | 12 | 8 | 9 | 10 | 7 | 8 | 11 | 8 | 10 | 11 | 10 | 11 | 13 | 10 | 10 |
| Chill °C | 9 | 8 | 10 | 11 | 8 | 9 | 11 | 7 | 10 | 12 | 10 | 9 | 12 | 11 | 13 | 13 | 11 | 12 |
| Sunrise | - | - | 7:16 | - | - | 7:18 | - | - | 7:18 | - | - | 7:18 | - | - | 7:20 | - | - | 7:20 |
| Sunset | 4:51 | - | - | 4:51 | - | - | 4:52 | - | - | 4:52 | - | - | 4:52 | - | - | 4:52 | - | - |
Tide datum: -.