RaceAtlas

Alcatraz Island Tides: Friday, May 30, 2025

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

6.3 ft1:56 AM-1.4 ft9:06 AM4.8 ft4:37 PM3.1 ft9:10 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 1:56 AM, low -1.4 ft at 9:06 AM. Gate: flood 2.9 kt at 1:36 PM, ebb 1.6 kt at 6:57 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:56 AMHigh6.3 ft
9:06 AMLow-1.4 ft
4:37 PMHigh4.8 ft
9:10 PMLow3.1 ft
Current · Golden Gate
TimeStateSpeed
3:13 AMslack–
6:57 AMmax ebb SW (235°)1.6 kt
10:20 AMslack–
1:36 PMmax flood ENE (074°)2.9 kt
5:39 PMslack–
7:58 PMmax ebb SW (235°)0.9 kt
9:58 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.