RaceAtlas

Alcatraz Island Tides: Friday, December 31, 2027

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

4.8 ft2:37 AM3.0 ft7:28 AM5.4 ft1:03 PM-0.0 ft7:50 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 1:03 PM, low -0.0 ft at 7:50 PM. Gate: flood 2.9 kt at 12:12 AM, ebb 1.4 kt at 5:46 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
2:37 AMHigh4.8 ft
7:28 AMLow3.0 ft
1:03 PMHigh5.4 ft
7:50 PMLow-0.0 ft
Current · Golden Gate
TimeStateSpeed
12:12 AMmax flood ENE (074°)2.9 kt
4:27 AMslack–
6:46 AMmax ebb SW (235°)0.8 kt
8:43 AMslack–
11:30 AMmax flood ENE (074°)2.0 kt
2:45 PMslack–
5:46 PMmax ebb SW (235°)1.4 kt
8:58 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.