RaceAtlas

Alcatraz Island Tides: Thursday, June 25, 2026

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

0.1 ft3:54 AM4.0 ft10:52 AM2.9 ft3:01 PM6.0 ft9:18 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 9:18 PM, low 0.1 ft at 3:54 AM. Gate: flood 2.5 kt at 8:07 AM, ebb 1.4 kt at 2:16 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:54 AMLow0.1 ft
10:52 AMHigh4.0 ft
3:01 PMLow2.9 ft
9:18 PMHigh6.0 ft
Current · Golden Gate
TimeStateSpeed
2:16 AMmax ebb SW (235°)1.4 kt
4:39 AMslack–
8:07 AMmax flood ENE (074°)2.5 kt
11:31 AMslack–
1:32 PMmax ebb SW (235°)0.7 kt
3:39 PMslack–
7:00 PMmax flood ENE (074°)2.3 kt
10:37 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.