RaceAtlas

Alcatraz Island Tides: Monday, August 30, 2027

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

-0.8 ft5:08 AM5.3 ft12:01 PM1.9 ft5:07 PM6.7 ft11:17 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 11:17 PM, low -0.8 ft at 5:08 AM. Gate: flood 3.4 kt at 9:28 AM, ebb 1.9 kt at 3:37 AM.
Modelled current at the Golden Gate on a 3.4 kt floodThe Gate at max flood, 3.4 kt
Tide height
TimeHeight
5:08 AMLow-0.8 ft
12:01 PMHigh5.3 ft
5:07 PMLow1.9 ft
11:17 PMHigh6.7 ft
Current · Golden Gate
TimeStateSpeed
3:37 AMmax ebb SW (235°)1.9 kt
6:17 AMslack–
9:28 AMmax flood ENE (074°)3.4 kt
1:16 PMslack–
4:09 PMmax ebb SW (235°)1.3 kt
6:20 PMslack–
9:19 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.