RaceAtlas

Half Moon Bay Tides: Wednesday, January 21, 2026

Tide heights at Half Moon Bay with the flood, ebb and slack schedule at the Golden Gate.

4.7 ft12:40 AM2.5 ft5:43 AM5.6 ft11:30 AM-0.1 ft6:27 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.6 ft at 11:30 AM, low -0.1 ft at 6:27 PM. Gate: flood 3.3 kt at 11:28 PM, ebb 1.8 kt at 5:06 PM.
Modelled current at the Golden Gate on a 3.3 kt floodThe Gate at max flood, 3.3 kt
Tide height
TimeHeight
12:40 AMHigh4.7 ft
5:43 AMLow2.5 ft
11:30 AMHigh5.6 ft
6:27 PMLow-0.1 ft
Current · Golden Gate
TimeStateSpeed
3:14 AMslack–
5:48 AMmax ebb SW (235°)1.0 kt
8:05 AMslack–
10:55 AMmax flood ENE (074°)2.5 kt
2:02 PMslack–
5:06 PMmax ebb SW (235°)1.8 kt
8:14 PMslack–
11:28 PMmax flood ENE (074°)3.3 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414131 (Half Moon Bay). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.