RaceAtlas

Redwood City Tides: Tuesday, April 21, 2026

Tide heights at Redwood City with the flood, ebb and slack schedule at the Golden Gate.

8.6 ft3:06 AM-1.0 ft10:39 AM6.5 ft5:40 PM3.4 ft10:37 PM0 ft2 ft4 ft6 ft8 ft12 AM6 AM12 PM6 PM12 AM
High 8.6 ft at 3:06 AM, low -1.0 ft at 10:39 AM. Gate: flood 3.0 kt at 12:31 AM, ebb 1.7 kt at 6:21 AM.
Modelled current at the Golden Gate on a 3.0 kt floodThe Gate at max flood, 3.0 kt
Tide height
TimeHeight
3:06 AMHigh8.6 ft
10:39 AMLow-1.0 ft
5:40 PMHigh6.5 ft
10:37 PMLow3.4 ft
Current · Golden Gate
TimeStateSpeed
12:31 AMmax flood ENE (074°)3.0 kt
3:32 AMslack–
6:21 AMmax ebb SW (235°)1.7 kt
10:47 AMslack–
1:58 PMmax flood ENE (074°)2.7 kt
6:14 PMslack–
8:13 PMmax ebb SW (235°)0.7 kt
10:14 PMslack–

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414523 (Redwood City). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.