RaceAtlas

Alcatraz Island Tides: Thursday, June 11, 2026

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

0.1 ft3:20 AM3.9 ft10:00 AM2.2 ft2:35 PM6.4 ft9:05 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 9:05 PM, low 0.1 ft at 3:20 AM. Gate: flood 2.9 kt at 6:47 PM, ebb 1.5 kt at 12:35 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
3:20 AMLow0.1 ft
10:00 AMHigh3.9 ft
2:35 PMLow2.2 ft
9:05 PMHigh6.4 ft
Current · Golden Gate
TimeStateSpeed
12:35 AMmax ebb SW (235°)1.5 kt
4:23 AMslack–
7:34 AMmax flood ENE (074°)2.3 kt
11:16 AMslack–
1:10 PMmax ebb SW (235°)0.8 kt
3:24 PMslack–
6:47 PMmax flood ENE (074°)2.9 kt
10:15 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.