RaceAtlas

Half Moon Bay Tides: Monday, August 17, 2026

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

4.4 ft2:25 AM1.6 ft8:14 AM5.5 ft2:41 PM1.2 ft9:31 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.5 ft at 2:41 PM, low 1.2 ft at 9:31 PM. Gate: flood 3.0 kt at 1:28 PM, ebb 1.3 kt at 7:45 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
2:25 AMHigh4.4 ft
8:14 AMLow1.6 ft
2:41 PMHigh5.5 ft
9:31 PMLow1.2 ft
Current · Golden Gate
TimeStateSpeed
1:44 AMmax flood ENE (074°)2.4 kt
5:13 AMslack–
7:45 AMmax ebb SW (235°)1.3 kt
10:18 AMslack–
1:28 PMmax flood ENE (074°)3.0 kt
5:14 PMslack–
8:03 PMmax ebb SW (235°)1.3 kt
11:30 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.