RaceAtlas

Alcatraz Island Tides: Sunday, May 10, 2026

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

2.8 ft1:16 AM4.2 ft6:16 AM0.3 ft1:04 PM4.7 ft8:21 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.7 ft at 8:21 PM, low 0.3 ft at 1:04 PM. Gate: flood 2.4 kt at 5:15 PM, ebb 0.9 kt at 10:43 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
1:16 AMLow2.8 ft
6:16 AMHigh4.2 ft
1:04 PMLow0.3 ft
8:21 PMHigh4.7 ft
Current · Golden Gate
TimeStateSpeed
1:39 AMslack–
4:22 AMmax flood ENE (074°)1.4 kt
8:00 AMslack–
10:43 AMmax ebb SW (235°)0.9 kt
1:26 PMslack–
5:15 PMmax flood ENE (074°)2.4 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.