RaceAtlas

Alcatraz Island Tides: Thursday, January 8, 2026

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

5.4 ft3:45 AM2.1 ft9:33 AM4.6 ft3:05 PM0.7 ft9:20 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 3:45 AM, low 0.7 ft at 9:20 PM. Gate: flood 3.2 kt at 1:00 AM, ebb 1.3 kt at 8:05 AM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
3:45 AMHigh5.4 ft
9:33 AMLow2.1 ft
3:05 PMHigh4.6 ft
9:20 PMLow0.7 ft
Current · Golden Gate
TimeStateSpeed
1:00 AMmax flood ENE (074°)3.2 kt
5:07 AMslack–
8:05 AMmax ebb SW (235°)1.3 kt
10:34 AMslack–
1:21 PMmax flood ENE (074°)2.0 kt
4:47 PMslack–
7:26 PMmax ebb SW (235°)1.3 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.