RaceAtlas

Half Moon Bay Tides: Tuesday, August 19, 2025

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

-0.6 ft2:44 AM4.1 ft9:45 AM3.1 ft1:54 PM6.3 ft8:03 PM0 ft2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 6.3 ft at 8:03 PM, low -0.6 ft at 2:44 AM. Gate: flood 2.6 kt at 7:54 AM, ebb 1.4 kt at 2:23 AM.
Modelled current at the Golden Gate on a 2.6 kt floodThe Gate at max flood, 2.6 kt
Tide height
TimeHeight
2:44 AMLow-0.6 ft
9:45 AMHigh4.1 ft
1:54 PMLow3.1 ft
8:03 PMHigh6.3 ft
Current · Golden Gate
TimeStateSpeed
2:23 AMmax ebb SW (235°)1.4 kt
4:36 AMslack–
7:54 AMmax flood ENE (074°)2.6 kt
11:35 AMslack–
1:48 PMmax ebb SW (235°)0.7 kt
3:42 PMslack–
6:55 PMmax flood ENE (074°)2.5 kt
10:36 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.