RaceAtlas

Half Moon Bay Tides: Thursday, August 20, 2026

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

3.4 ft6:44 AM3.1 ft10:16 AM5.2 ft5:02 PM4 ft12 AM6 AM12 PM6 PM12 AM
High 5.2 ft at 5:02 PM, low 3.1 ft at 10:16 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
6:44 AMHigh3.4 ft
10:16 AMLow3.1 ft
5:02 PMHigh5.2 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 9414131 (Half Moon Bay). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.