RaceAtlas

Alcatraz Island Tides: Tuesday, April 30, 2030

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

0.0 ft5:21 AM4.5 ft11:52 AM1.7 ft5:00 PM5.7 ft11:18 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.7 ft at 11:18 PM, low 0.0 ft at 5:21 AM. Gate: flood 3.0 kt at 9:33 AM, ebb 1.8 kt at 3:57 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
5:21 AMLow0.0 ft
11:52 AMHigh4.5 ft
5:00 PMLow1.7 ft
11:18 PMHigh5.7 ft
Current · Golden Gate
TimeStateSpeed
12:02 AMslack–
3:57 AMmax ebb SW (235°)1.8 kt
6:21 AMslack–
9:33 AMmax flood ENE (074°)3.0 kt
12:53 PMslack–
3:28 PMmax ebb SW (235°)1.2 kt
5:51 PMslack–
9:09 PMmax flood ENE (074°)2.8 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.