RaceAtlas

Alcatraz Island Tides: Thursday, March 18, 2021

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

5.2 ft3:09 AM0.8 ft9:48 AM3.9 ft4:35 PM2.5 ft9:26 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 3:09 AM, low 0.8 ft at 9:48 AM. Gate: flood 2.4 kt at 1:01 AM, ebb 1.1 kt at 7:20 AM.
Modelled current at the Golden Gate on a 2.4 kt floodThe Gate at max flood, 2.4 kt
Tide height
TimeHeight
3:09 AMHigh5.2 ft
9:48 AMLow0.8 ft
4:35 PMHigh3.9 ft
9:26 PMLow2.5 ft
Current · Golden Gate
TimeStateSpeed
1:01 AMmax flood ENE (074°)2.4 kt
4:35 AMslack–
7:20 AMmax ebb SW (235°)1.1 kt
11:02 AMslack–
2:33 PMmax flood ENE (074°)2.0 kt
6:45 PMslack–
8:27 PMmax ebb SW (235°)0.7 kt
10:24 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.