RaceAtlas

Alcatraz Island Tides: Saturday, April 10, 2027

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

6.0 ft1:56 AM-0.8 ft8:50 AM4.2 ft4:11 PM2.8 ft8:28 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.0 ft at 1:56 AM, low -0.8 ft at 8:50 AM. Gate: flood 2.7 kt at 1:12 PM, ebb 1.8 kt at 5:40 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
1:56 AMHigh6.0 ft
8:50 AMLow-0.8 ft
4:11 PMHigh4.2 ft
8:28 PMLow2.8 ft
Current · Golden Gate
TimeStateSpeed
2:58 AMslack–
5:40 AMmax ebb SW (235°)1.8 kt
9:56 AMslack–
1:12 PMmax flood ENE (074°)2.7 kt
5:25 PMslack–
7:33 PMmax ebb SW (235°)0.8 kt
9:34 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.