RaceAtlas

Alcatraz Island Tides: Wednesday, December 18, 2030

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

5.5 ft5:42 AM1.6 ft12:19 PM3.7 ft6:10 PM1.8 ft11:28 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 5:42 AM, low 1.6 ft at 12:19 PM. Gate: flood 2.9 kt at 2:51 AM, ebb 1.2 kt at 9:43 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
5:42 AMHigh5.5 ft
12:19 PMLow1.6 ft
6:10 PMHigh3.7 ft
11:28 PMLow1.8 ft
Current · Golden Gate
TimeStateSpeed
2:51 AMmax flood ENE (074°)2.9 kt
6:54 AMslack–
9:43 AMmax ebb SW (235°)1.2 kt
1:01 PMslack–
3:57 PMmax flood ENE (074°)1.7 kt
7:57 PMslack–
10:08 PMmax ebb SW (235°)0.8 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.