RaceAtlas

Alcatraz Island Tides: Sunday, April 30, 2023

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

2.1 ft3:15 AM4.2 ft8:38 AM0.6 ft3:06 PM4.8 ft10:01 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.8 ft at 10:01 PM, low 0.6 ft at 3:06 PM. Gate: flood 2.4 kt at 7:31 PM, ebb 0.8 kt at 12:45 PM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
3:15 AMLow2.1 ft
8:38 AMHigh4.2 ft
3:06 PMLow0.6 ft
10:01 PMHigh4.8 ft
Current · Golden Gate
TimeStateSpeed
1:27 AMmax ebb SW (235°)0.8 kt
3:42 AMslack–
7:01 AMmax flood ENE (074°)1.4 kt
10:25 AMslack–
12:45 PMmax ebb SW (235°)0.8 kt
3:35 PMslack–
7:31 PMmax flood ENE (074°)2.4 kt
11:18 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.