RaceAtlas

Alcatraz Island Tides: Tuesday, December 31, 2030

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

5.8 ft5:06 AM1.4 ft11:47 AM3.9 ft5:39 PM1.6 ft11:05 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.8 ft at 5:06 AM, low 1.4 ft at 11:47 AM. Gate: flood 2.9 kt at 2:13 AM, ebb 1.3 kt at 10:04 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
5:06 AMHigh5.8 ft
11:47 AMLow1.4 ft
5:39 PMHigh3.9 ft
11:05 PMLow1.6 ft
Current · Golden Gate
TimeStateSpeed
2:13 AMmax flood ENE (074°)2.9 kt
6:23 AMslack–
10:04 AMmax ebb SW (235°)1.3 kt
12:22 PMslack–
3:29 PMmax flood ENE (074°)2.0 kt
6:45 PMslack–
9:01 PMmax ebb SW (235°)1.0 kt
11:42 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.