RaceAtlas

Alcatraz Island Tides: Wednesday, December 30, 2020

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

4.7 ft12:49 AM3.2 ft5:08 AM6.3 ft11:04 AM-0.8 ft6:04 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 11:04 AM, low -0.8 ft at 6:04 PM. Gate: flood 2.6 kt at 8:57 AM, ebb 1.7 kt at 3:08 PM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
12:49 AMHigh4.7 ft
5:08 AMLow3.2 ft
11:04 AMHigh6.3 ft
6:04 PMLow-0.8 ft
Current · Golden Gate
TimeStateSpeed
2:05 AMslack–
3:48 AMmax ebb SW (235°)0.6 kt
5:46 AMslack–
8:57 AMmax flood ENE (074°)2.6 kt
12:05 PMslack–
3:08 PMmax ebb SW (235°)1.7 kt
7:14 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.