RaceAtlas

Half Moon Bay Tides: Wednesday, August 20, 2025

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

-0.7 ft3:36 AM4.4 ft10:24 AM2.8 ft3:02 PM6.4 ft9:02 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.4 ft at 9:02 PM, low -0.7 ft at 3:36 AM. Gate: flood 2.9 kt at 8:47 AM, ebb 1.7 kt at 3:17 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
3:36 AMLow-0.7 ft
10:24 AMHigh4.4 ft
3:02 PMLow2.8 ft
9:02 PMHigh6.4 ft
Current · Golden Gate
TimeStateSpeed
3:17 AMmax ebb SW (235°)1.7 kt
5:31 AMslack–
8:47 AMmax flood ENE (074°)2.9 kt
12:26 PMslack–
3:01 PMmax ebb SW (235°)0.9 kt
4:52 PMslack–
8:04 PMmax flood ENE (074°)2.6 kt
11:32 PMslack–

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.