RaceAtlas

Alcatraz Island Tides: Thursday, June 4, 2026

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

5.4 ft1:56 AM-0.6 ft9:06 AM4.4 ft4:44 PM3.3 ft9:05 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 1:56 AM, low -0.6 ft at 9:06 AM. Gate: flood 2.4 kt at 1:41 PM, ebb 1.5 kt at 6:26 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
1:56 AMHigh5.4 ft
9:06 AMLow-0.6 ft
4:44 PMHigh4.4 ft
9:05 PMLow3.3 ft
Current · Golden Gate
TimeStateSpeed
12:13 AMmax flood ENE (074°)2.1 kt
3:17 AMslack–
6:26 AMmax ebb SW (235°)1.5 kt
10:10 AMslack–
1:41 PMmax flood ENE (074°)2.4 kt
6:40 PMslack–
8:19 PMmax ebb SW (235°)0.5 kt
10:00 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.