RaceAtlas

Alcatraz Island Tides: Monday, December 16, 2030

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

5.0 ft4:21 AM2.6 ft10:02 AM4.3 ft3:21 PM0.8 ft9:43 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 5.0 ft at 4:21 AM, low 0.8 ft at 9:43 PM. Gate: flood 2.8 kt at 1:17 AM, ebb 1.0 kt at 7:59 PM.
Modelled current at the Golden Gate on a 2.8 kt floodThe Gate at max flood, 2.8 kt
Tide height
TimeHeight
4:21 AMHigh5.0 ft
10:02 AMLow2.6 ft
3:21 PMHigh4.3 ft
9:43 PMLow0.8 ft
Current · Golden Gate
TimeStateSpeed
1:17 AMmax flood ENE (074°)2.8 kt
5:49 AMslack–
8:10 AMmax ebb SW (235°)0.9 kt
10:55 AMslack–
1:34 PMmax flood ENE (074°)1.7 kt
5:15 PMslack–
7:59 PMmax ebb SW (235°)1.0 kt
10:34 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.