RaceAtlas

Alcatraz Island Tides: Friday, September 10, 2027

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

0.5 ft3:00 AM4.7 ft10:17 AM3.1 ft3:02 PM5.5 ft8:38 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 8:38 PM, low 0.5 ft at 3:00 AM. Gate: flood 2.5 kt at 7:32 AM, ebb 0.9 kt at 1:41 AM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:00 AMLow0.5 ft
10:17 AMHigh4.7 ft
3:02 PMLow3.1 ft
8:38 PMHigh5.5 ft
Current · Golden Gate
TimeStateSpeed
1:41 AMmax ebb SW (235°)0.9 kt
3:44 AMslack–
7:32 AMmax flood ENE (074°)2.5 kt
11:13 AMslack–
1:22 PMmax ebb SW (235°)0.6 kt
3:13 PMslack–
6:27 PMmax flood ENE (074°)1.7 kt
10:06 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.