RaceAtlas

Alcatraz Island Tides: Friday, October 10, 2025

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

4.9 ft3:18 AM2.7 ft7:57 AM6.6 ft2:10 PM-0.8 ft9:09 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 2:10 PM, low -0.8 ft at 9:09 PM. Gate: flood 3.2 kt at 12:08 PM, ebb 1.8 kt at 5:57 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
3:18 AMHigh4.9 ft
7:57 AMLow2.7 ft
2:10 PMHigh6.6 ft
9:09 PMLow-0.8 ft
Current · Golden Gate
TimeStateSpeed
12:33 AMmax flood ENE (074°)3.1 kt
4:20 AMslack–
6:43 AMmax ebb SW (235°)1.1 kt
9:02 AMslack–
12:08 PMmax flood ENE (074°)3.2 kt
3:12 PMslack–
5:57 PMmax ebb SW (235°)1.8 kt
10:16 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.