RaceAtlas

Alcatraz Island Tides: Friday, December 4, 2026

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

1.8 ft1:24 AM6.1 ft8:04 AM0.2 ft2:55 PM4.2 ft9:27 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.1 ft at 8:04 AM, low 0.2 ft at 2:55 PM. Gate: flood 2.9 kt at 5:27 AM, ebb 1.7 kt at 1:11 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:24 AMLow1.8 ft
8:04 AMHigh6.1 ft
2:55 PMLow0.2 ft
9:27 PMHigh4.2 ft
Current · Golden Gate
TimeStateSpeed
1:55 AMslack–
5:27 AMmax flood ENE (074°)2.9 kt
9:09 AMslack–
1:11 PMmax ebb SW (235°)1.7 kt
3:42 PMslack–
6:56 PMmax flood ENE (074°)2.5 kt
10:21 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.