RaceAtlas

Alcatraz Island Tides: Monday, August 19, 2030

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

4.1 ft4:58 AM2.4 ft10:08 AM5.6 ft4:37 PM1.3 ft11:37 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 4:37 PM, low 1.3 ft at 11:37 PM. Gate: flood 2.3 kt at 2:08 PM, ebb 1.0 kt at 8:35 AM.
Modelled current at the Golden Gate on a 2.3 kt floodThe Gate at max flood, 2.3 kt
Tide height
TimeHeight
4:58 AMHigh4.1 ft
10:08 AMLow2.4 ft
4:37 PMHigh5.6 ft
11:37 PMLow1.3 ft
Current · Golden Gate
TimeStateSpeed
2:55 AMmax flood ENE (074°)2.2 kt
6:32 AMslack–
8:35 AMmax ebb SW (235°)1.0 kt
11:04 AMslack–
2:08 PMmax flood ENE (074°)2.3 kt
6:11 PMslack–
8:40 PMmax ebb SW (235°)0.9 kt

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.