RaceAtlas

Alcatraz Island Tides: Thursday, October 9, 2025

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

5.2 ft2:13 AM2.1 ft7:12 AM6.7 ft1:27 PM-0.8 ft8:12 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 1:27 PM, low -0.8 ft at 8:12 PM. Gate: flood 3.4 kt at 11:21 AM, ebb 1.9 kt at 5:13 PM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
2:13 AMHigh5.2 ft
7:12 AMLow2.1 ft
1:27 PMHigh6.7 ft
8:12 PMLow-0.8 ft
Current · Golden Gate
TimeStateSpeed
3:21 AMslack–
5:47 AMmax ebb SW (235°)1.3 kt
8:18 AMslack–
11:21 AMmax flood ENE (074°)3.4 kt
2:28 PMslack–
5:13 PMmax ebb SW (235°)1.9 kt
9:24 PMslack–

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.