RaceAtlas

Alcatraz Island Tides: Wednesday, June 30, 2027

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

-0.0 ft3:28 AM3.9 ft10:39 AM3.0 ft2:34 PM6.5 ft8:57 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 8:57 PM, low -0.0 ft at 3:28 AM. Gate: flood 2.7 kt at 6:42 PM, ebb 1.4 kt at 12:15 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
3:28 AMLow-0.0 ft
10:39 AMHigh3.9 ft
2:34 PMLow3.0 ft
8:57 PMHigh6.5 ft
Current · Golden Gate
TimeStateSpeed
12:15 AMmax ebb SW (235°)1.4 kt
4:27 AMslack–
7:55 AMmax flood ENE (074°)2.2 kt
11:42 AMslack–
1:19 PMmax ebb SW (235°)0.6 kt
3:14 PMslack–
6:42 PMmax flood ENE (074°)2.7 kt
10:08 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.