RaceAtlas

San Mateo Bridge Tides: Monday, December 21, 2026

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

3.1 ft3:11 AM8.6 ft9:03 AM-0.9 ft4:38 PM6.2 ft11:18 PM0 ft2 ft4 ft6 ft8 ft12 AM6 AM12 PM6 PM12 AM
High 8.6 ft at 9:03 AM, low -0.9 ft at 4:38 PM. Gate: flood 2.9 kt at 6:11 AM, ebb 1.7 kt at 12:27 PM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
3:11 AMLow3.1 ft
9:03 AMHigh8.6 ft
4:38 PMLow-0.9 ft
11:18 PMHigh6.2 ft
Current · Golden Gate
TimeStateSpeed
12:44 AMmax ebb SW (235°)0.7 kt
2:50 AMslack–
6:11 AMmax flood ENE (074°)2.9 kt
9:33 AMslack–
12:27 PMmax ebb SW (235°)1.7 kt
4:43 PMslack–
8:03 PMmax flood ENE (074°)2.7 kt
11:49 PMslack–

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.