West Coast
Seaplane Harbor
California · NOAA station 9414413 · Tide predictions
37.6367, -122.3830
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48-hour outlook
Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.
Drawn from the high/low predictions — NOAA publishes high/low only for this station.
The next seven days
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H = high tide · L = low tide · highs & lows in local time
On the water nearby
San Francisco Bar, CA (142) buoy · 17 mi NW · Station 46237
Wind & wave reports →
Nearby tide stations
- Point San Bruno · 1.0 mi N
- Oyster Point Marina · 2.0 mi N
- South San Francisco · 2.1 mi N
- Coyote Point Marina · 4.9 mi SE
- Hunters Point · 6.6 mi N
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 8.5 ft — Thu Jan 21 · 10:21 AM
Lowest predicted low tide: -1.8 ft — Sun Jun 6 · 8:24 AM
Biggest single-day swing: 10.1 ft on Thu Jan 21
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sun Jun 6 | 8:24 AM | -1.8 ft |
| Sat Jun 5 | 7:36 AM | -1.7 ft |
| Sun Jul 4 | 7:23 AM | -1.7 ft |
| Mon Jul 5 | 8:09 AM | -1.7 ft |
| Mon Jun 7 | 9:13 AM | -1.7 ft |
| Thu Jan 21 | 5:43 PM | -1.6 ft |
| Fri Jan 22 | 6:27 PM | -1.6 ft |
| Tue Dec 14 | 6:59 PM | -1.5 ft |
| Sat May 8 | 8:34 AM | -1.4 ft |
| Tue Jul 6 | 8:54 AM | -1.4 ft |
189 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.
About this station
NOAA builds the predictions for Seaplane Harbor from the SAN FRANCISCO (Golden Gate) station: high tides adjusted +1.4 ft, 42 min later; low tides adjusted +0.0 ft, 63 min later.
Mixed semidiurnal tides — two unequal highs and two unequal lows a day — with ranges growing as you head north. Harbor entrances feel the swell as much as the tide.