RaceAtlas

Alcatraz Island Tides: Thursday, December 4, 2031

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

4.7 ft3:53 AM3.0 ft9:05 AM4.8 ft2:21 PM0.4 ft9:07 PM0 ft2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.8 ft at 2:21 PM, low 0.4 ft at 9:07 PM. Gate: flood 2.5 kt at 1:13 AM, ebb 1.1 kt at 7:04 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:53 AMHigh4.7 ft
9:05 AMLow3.0 ft
2:21 PMHigh4.8 ft
9:07 PMLow0.4 ft
Current · Golden Gate
TimeStateSpeed
1:13 AMmax flood ENE (074°)2.5 kt
5:42 AMslack–
7:40 AMmax ebb SW (235°)0.7 kt
9:55 AMslack–
12:37 PMmax flood ENE (074°)1.7 kt
4:13 PMslack–
7:04 PMmax ebb SW (235°)1.1 kt
10:12 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.