RaceAtlas

Alcatraz Island Tides: Wednesday, February 17, 2027

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

3.2 ft1:45 AM6.4 ft7:49 AM-0.9 ft3:06 PM4.7 ft10:20 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 7:49 AM, low -0.9 ft at 3:06 PM. Gate: flood 2.9 kt at 7:35 PM, ebb 1.6 kt at 1:49 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
1:45 AMLow3.2 ft
7:49 AMHigh6.4 ft
3:06 PMLow-0.9 ft
10:20 PMHigh4.7 ft
Current · Golden Gate
TimeStateSpeed
12:34 AMmax ebb SW (235°)0.6 kt
2:26 AMslack–
5:36 AMmax flood ENE (074°)2.5 kt
9:07 AMslack–
1:49 PMmax ebb SW (235°)1.6 kt
4:15 PMslack–
7:35 PMmax flood ENE (074°)2.9 kt
11:28 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.