RaceAtlas

Alcatraz Island Tides: Thursday, October 2, 2025

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

0.3 ft2:40 AM4.7 ft9:58 AM2.9 ft2:59 PM5.3 ft8:34 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 8:34 PM, low 0.3 ft at 2:40 AM. Gate: flood 2.2 kt at 7:23 AM, ebb 0.7 kt at 1:29 PM.
Modelled current at the Golden Gate on a 2.2 kt floodThe Gate at max flood, 2.2 kt
Tide height
TimeHeight
2:40 AMLow0.3 ft
9:58 AMHigh4.7 ft
2:59 PMLow2.9 ft
8:34 PMHigh5.3 ft
Current · Golden Gate
TimeStateSpeed
3:16 AMslack–
7:23 AMmax flood ENE (074°)2.2 kt
11:25 AMslack–
1:29 PMmax ebb SW (235°)0.7 kt
3:27 PMslack–
6:19 PMmax flood ENE (074°)1.8 kt
9:54 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.