RaceAtlas

Alcatraz Island Tides: Wednesday, December 11, 2019

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

2.7 ft4:12 AM6.3 ft10:20 AM-0.7 ft5:14 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 10:20 AM, low -0.7 ft at 5:14 PM. Gate: flood 2.8 kt at 8:04 AM, ebb 1.8 kt at 2:15 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
4:12 AMLow2.7 ft
10:20 AMHigh6.3 ft
5:14 PMLow-0.7 ft
Current · Golden Gate
TimeStateSpeed
12:50 AMslack–
2:42 AMmax ebb SW (235°)0.8 kt
4:46 AMslack–
8:04 AMmax flood ENE (074°)2.8 kt
11:16 AMslack–
2:15 PMmax ebb SW (235°)1.8 kt
6:22 PMslack–
9:33 PMmax flood ENE (074°)2.7 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.