RaceAtlas

San Mateo Bridge Tides: Thursday, August 20, 2026

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

1.3 ft1:23 AM5.4 ft7:54 AM3.6 ft12:40 PM7.2 ft6:41 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 7.2 ft at 6:41 PM, low 1.3 ft at 1:23 AM. Gate: flood 1.9 kt at 5:24 AM, ebb 0.6 kt at 9:58 PM.
Modelled current at the Golden Gate on a 1.9 kt floodThe Gate at max flood, 1.9 kt
Tide height
TimeHeight
1:23 AMLow1.3 ft
7:54 AMHigh5.4 ft
12:40 PMLow3.6 ft
6:41 PMHigh7.2 ft
Current · Golden Gate
TimeStateSpeed
1:16 AMslack–
5:24 AMmax flood ENE (074°)1.9 kt
8:49 AMslack–
10:36 AMmax ebb SW (235°)0.6 kt
12:32 PMslack–
3:38 PMmax flood ENE (074°)1.8 kt
7:39 PMslack–
9:58 PMmax ebb SW (235°)0.6 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.