RaceAtlas

Alcatraz Island Tides: Thursday, June 17, 2027

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

-0.8 ft5:39 AM4.5 ft12:56 PM3.1 ft5:05 PM6.2 ft11:05 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 11:05 PM, low -0.8 ft at 5:39 AM. Gate: flood 3.0 kt at 10:02 AM, ebb 1.6 kt at 4:19 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
5:39 AMLow-0.8 ft
12:56 PMHigh4.5 ft
5:05 PMLow3.1 ft
11:05 PMHigh6.2 ft
Current · Golden Gate
TimeStateSpeed
4:19 AMmax ebb SW (235°)1.6 kt
6:43 AMslack–
10:02 AMmax flood ENE (074°)3.0 kt
1:36 PMslack–
3:58 PMmax ebb SW (235°)1.0 kt
6:02 PMslack–
9:09 PMmax flood ENE (074°)2.6 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.