RaceAtlas

Alcatraz Island Tides: Sunday, July 4, 2021

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

0.9 ft3:13 AM3.8 ft9:41 AM2.4 ft2:19 PM5.8 ft8:48 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 8:48 PM, low 0.9 ft at 3:13 AM. Gate: flood 2.1 kt at 7:23 AM, ebb 1.2 kt at 1:32 AM.
Modelled current at the Golden Gate on a 2.1 kt floodThe Gate at max flood, 2.1 kt
Tide height
TimeHeight
3:13 AMLow0.9 ft
9:41 AMHigh3.8 ft
2:19 PMLow2.4 ft
8:48 PMHigh5.8 ft
Current · Golden Gate
TimeStateSpeed
1:32 AMmax ebb SW (235°)1.2 kt
3:57 AMslack–
7:23 AMmax flood ENE (074°)2.1 kt
10:43 AMslack–
12:26 PMmax ebb SW (235°)0.6 kt
2:41 PMslack–
6:17 PMmax flood ENE (074°)2.1 kt
10:13 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.