RaceAtlas

Alcatraz Island Tides: Wednesday, October 15, 2025

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

0.0 ft1:47 AM5.1 ft9:04 AM2.7 ft2:19 PM5.2 ft7:51 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 7:51 PM, low 0.0 ft at 1:47 AM. Gate: flood 2.6 kt at 6:05 AM, ebb 1.1 kt at 12:18 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
1:47 AMLow0.0 ft
9:04 AMHigh5.1 ft
2:19 PMLow2.7 ft
7:51 PMHigh5.2 ft
Current · Golden Gate
TimeStateSpeed
12:18 AMmax ebb SW (235°)1.1 kt
2:29 AMslack–
6:05 AMmax flood ENE (074°)2.6 kt
9:57 AMslack–
12:28 PMmax ebb SW (235°)0.9 kt
2:28 PMslack–
5:36 PMmax flood ENE (074°)1.9 kt
9:15 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.