RaceAtlas

Alcatraz Island Tides: Saturday, May 31, 2025

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

5.8 ft2:50 AM-0.9 ft9:59 AM4.8 ft5:30 PM3.0 ft10:25 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 2:50 AM, low -0.9 ft at 9:59 AM. Gate: flood 2.9 kt at 2:27 PM, ebb 1.4 kt at 7:46 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
2:50 AMHigh5.8 ft
9:59 AMLow-0.9 ft
5:30 PMHigh4.8 ft
10:25 PMLow3.0 ft
Current · Golden Gate
TimeStateSpeed
12:54 AMmax flood ENE (074°)2.5 kt
4:11 AMslack–
7:46 AMmax ebb SW (235°)1.4 kt
11:05 AMslack–
2:27 PMmax flood ENE (074°)2.9 kt
6:37 PMslack–
8:59 PMmax ebb SW (235°)0.9 kt
11:04 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.