RaceAtlas

Alcatraz Island Tides: Wednesday, July 31, 2030

Tide heights at Alcatraz Island with the flood, ebb and slack schedule at the Golden Gate.

6.1 ft12:19 AM-0.3 ft6:58 AM5.1 ft1:56 PM2.3 ft7:01 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 12:19 AM, low -0.3 ft at 6:58 AM. Gate: flood 3.1 kt at 11:00 AM, ebb 1.7 kt at 4:33 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
12:19 AMHigh6.1 ft
6:58 AMLow-0.3 ft
1:56 PMHigh5.1 ft
7:01 PMLow2.3 ft
Current · Golden Gate
TimeStateSpeed
1:33 AMslack–
4:33 AMmax ebb SW (235°)1.7 kt
7:56 AMslack–
11:00 AMmax flood ENE (074°)3.1 kt
3:05 PMslack–
5:31 PMmax ebb SW (235°)1.1 kt
8:08 PMslack–
10:57 PMmax flood ENE (074°)2.6 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414792 (Alcatraz Island). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.