RaceAtlas

Alcatraz Island Tides: Tuesday, September 17, 2030

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

4.2 ft4:43 AM2.9 ft9:31 AM5.5 ft3:38 PM0.9 ft10:38 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 3:38 PM, low 0.9 ft at 10:38 PM. Gate: flood 2.3 kt at 2:31 AM, ebb 0.9 kt at 7:46 PM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
4:43 AMHigh4.2 ft
9:31 AMLow2.9 ft
3:38 PMHigh5.5 ft
10:38 PMLow0.9 ft
Current · Golden Gate
TimeStateSpeed
2:31 AMmax flood ENE (074°)2.3 kt
6:20 AMslack–
8:16 AMmax ebb SW (235°)0.8 kt
10:31 AMslack–
1:30 PMmax flood ENE (074°)2.1 kt
5:09 PMslack–
7:46 PMmax ebb SW (235°)0.9 kt
11:45 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.