RaceAtlas

Alcatraz Island Tides: Thursday, April 30, 2020

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

4.9 ft5:02 AM-0.2 ft12:15 PM4.4 ft8:03 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.9 ft at 5:02 AM, low -0.2 ft at 12:15 PM. Gate: flood 2.4 kt at 4:50 PM, ebb 1.2 kt at 9:30 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
5:02 AMHigh4.9 ft
12:15 PMLow-0.2 ft
8:03 PMHigh4.4 ft
Current · Golden Gate
TimeStateSpeed
12:11 AMslack–
3:10 AMmax flood ENE (074°)2.0 kt
6:25 AMslack–
9:30 AMmax ebb SW (235°)1.2 kt
1:16 PMslack–
4:50 PMmax flood ENE (074°)2.4 kt
9:29 PMslack–
11:31 PMmax ebb SW (235°)0.7 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.