RaceAtlas

Alcatraz Island Tides: Monday, June 21, 2021

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

-0.1 ft3:38 AM4.2 ft10:18 AM2.0 ft3:01 PM6.7 ft9:33 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.7 ft at 9:33 PM, low -0.1 ft at 3:38 AM. Gate: flood 3.1 kt at 7:16 PM, ebb 1.6 kt at 12:54 AM.
Modelled current at the Golden Gate on a 3.1 kt floodThe Gate at max flood, 3.1 kt
Tide height
TimeHeight
3:38 AMLow-0.1 ft
10:18 AMHigh4.2 ft
3:01 PMLow2.0 ft
9:33 PMHigh6.7 ft
Current · Golden Gate
TimeStateSpeed
12:54 AMmax ebb SW (235°)1.6 kt
4:45 AMslack–
7:57 AMmax flood ENE (074°)2.6 kt
11:33 AMslack–
1:45 PMmax ebb SW (235°)1.0 kt
4:05 PMslack–
7:16 PMmax flood ENE (074°)3.1 kt
10:39 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.