RaceAtlas

Alcatraz Island Tides: Thursday, February 17, 2028

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

5.9 ft4:35 AM0.4 ft11:57 AM3.9 ft7:13 PM3.1 ft11:21 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.9 ft at 4:35 AM, low 0.4 ft at 11:57 AM. Gate: flood 2.7 kt at 2:00 AM, ebb 1.0 kt at 8:16 AM.
Modelled current at the Golden Gate on a 2.7 kt floodThe Gate at max flood, 2.7 kt
Tide height
TimeHeight
4:35 AMHigh5.9 ft
11:57 AMLow0.4 ft
7:13 PMHigh3.9 ft
11:21 PMLow3.1 ft
Current · Golden Gate
TimeStateSpeed
2:00 AMmax flood ENE (074°)2.7 kt
5:46 AMslack–
8:16 AMmax ebb SW (235°)1.0 kt
12:33 PMslack–
4:10 PMmax flood ENE (074°)2.1 kt
7:37 PMslack–
9:44 PMmax ebb SW (235°)0.8 kt
11:51 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.