RaceAtlas

Alcatraz Island Tides: Friday, January 30, 2026

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

3.2 ft2:43 AM6.8 ft8:48 AM-1.2 ft4:03 PM4.9 ft11:16 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.8 ft at 8:48 AM, low -1.2 ft at 4:03 PM. Gate: flood 3.0 kt at 8:27 PM, ebb 1.9 kt at 2:52 PM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:43 AMLow3.2 ft
8:48 AMHigh6.8 ft
4:03 PMLow-1.2 ft
11:16 PMHigh4.9 ft
Current · Golden Gate
TimeStateSpeed
1:38 AMmax ebb SW (235°)0.7 kt
3:26 AMslack–
6:38 AMmax flood ENE (074°)2.7 kt
10:05 AMslack–
2:52 PMmax ebb SW (235°)1.9 kt
5:15 PMslack–
8:27 PMmax flood ENE (074°)3.0 kt

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.