RaceAtlas

Alcatraz Island Tides: Friday, December 20, 2030

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

2.2 ft12:27 AM6.2 ft7:10 AM0.1 ft2:10 PM4.1 ft8:59 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.2 ft at 7:10 AM, low 0.1 ft at 2:10 PM. Gate: flood 2.9 kt at 4:42 AM, ebb 1.5 kt at 11:08 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
12:27 AMLow2.2 ft
7:10 AMHigh6.2 ft
2:10 PMLow0.1 ft
8:59 PMHigh4.1 ft
Current · Golden Gate
TimeStateSpeed
1:17 AMslack–
4:42 AMmax flood ENE (074°)2.9 kt
8:18 AMslack–
11:08 AMmax ebb SW (235°)1.5 kt
3:09 PMslack–
6:24 PMmax flood ENE (074°)2.3 kt
10:11 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.