RaceAtlas

Alcatraz Island Tides: Friday, April 19, 2030

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

6.5 ft12:37 AM-1.3 ft7:14 AM4.9 ft2:12 PM2.0 ft7:05 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.5 ft at 12:37 AM, low -1.3 ft at 7:14 AM. Gate: flood 3.5 kt at 11:12 PM, ebb 2.0 kt at 4:19 AM.
Modelled current at the Golden Gate on a 3.5 kt floodThe Gate at max flood, 3.5 kt
Tide height
TimeHeight
12:37 AMHigh6.5 ft
7:14 AMLow-1.3 ft
2:12 PMHigh4.9 ft
7:05 PMLow2.0 ft
Current · Golden Gate
TimeStateSpeed
1:33 AMslack–
4:19 AMmax ebb SW (235°)2.0 kt
8:28 AMslack–
11:31 AMmax flood ENE (074°)3.2 kt
3:20 PMslack–
5:49 PMmax ebb SW (235°)1.3 kt
8:15 PMslack–
11:12 PMmax flood ENE (074°)3.5 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.