RaceAtlas

Alcatraz Island Tides: Thursday, February 18, 2027

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

2.8 ft2:49 AM6.6 ft8:51 AM-1.1 ft3:54 PM5.0 ft10:57 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.6 ft at 8:51 AM, low -1.1 ft at 3:54 PM. Gate: flood 3.2 kt at 8:17 PM, ebb 1.9 kt at 2:33 PM.
Modelled current at the Golden Gate on a 3.2 kt floodThe Gate at max flood, 3.2 kt
Tide height
TimeHeight
2:49 AMLow2.8 ft
8:51 AMHigh6.6 ft
3:54 PMLow-1.1 ft
10:57 PMHigh5.0 ft
Current · Golden Gate
TimeStateSpeed
1:50 AMmax ebb SW (235°)0.8 kt
3:38 AMslack–
6:44 AMmax flood ENE (074°)2.7 kt
10:07 AMslack–
2:33 PMmax ebb SW (235°)1.9 kt
5:04 PMslack–
8:17 PMmax flood ENE (074°)3.2 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.