RaceAtlas

Half Moon Bay Tides: Tuesday, December 15, 2026

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

4.4 ft3:33 AM3.1 ft8:42 AM4.3 ft1:43 PM0.7 ft8:52 PM2 ft4 ft12 AM6 AM12 PM6 PM12 AM
High 4.4 ft at 3:33 AM, low 0.7 ft at 8:52 PM. Gate: flood 2.5 kt at 1:20 AM, ebb 1.1 kt at 7:44 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
3:33 AMHigh4.4 ft
8:42 AMLow3.1 ft
1:43 PMHigh4.3 ft
8:52 PMLow0.7 ft
Current · Golden Gate
TimeStateSpeed
1:20 AMmax flood ENE (074°)2.5 kt
6:22 AMslack–
8:32 AMmax ebb SW (235°)0.7 kt
10:51 AMslack–
1:28 PMmax flood ENE (074°)1.6 kt
4:59 PMslack–
7:44 PMmax ebb SW (235°)1.1 kt
10:25 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.