RaceAtlas

San Mateo Bridge Tides: Tuesday, July 21, 2026

Tide heights at San Mateo Bridge with the flood, ebb and slack schedule at the Golden Gate.

1.4 ft1:01 AM5.5 ft6:55 AM2.2 ft12:24 PM7.6 ft6:55 PM2 ft4 ft6 ft8 ft12 AM6 AM12 PM6 PM12 AM
High 7.6 ft at 6:55 PM, low 1.4 ft at 1:01 AM. Gate: flood 2.5 kt at 3:37 PM, ebb 1.0 kt at 11:33 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
1:01 AMLow1.4 ft
6:55 AMHigh5.5 ft
12:24 PMLow2.2 ft
6:55 PMHigh7.6 ft
Current · Golden Gate
TimeStateSpeed
1:04 AMslack–
4:26 AMmax flood ENE (074°)1.9 kt
7:47 AMslack–
9:54 AMmax ebb SW (235°)0.8 kt
12:15 PMslack–
3:37 PMmax flood ENE (074°)2.5 kt
7:39 PMslack–
11:33 PMmax ebb SW (235°)1.0 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414458 (San Mateo Bridge). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.