Pacific Northwest
Lockheed Shipyard
Harbor Island · Washington · NOAA station 9447110 · Tide predictions
47.5850, -122.3620
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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
New Dungeness buoy · 64 mi NW · Station 46088
Wind & wave reports →
Nearby tide stations
- SEATTLE (Madison St.), Elliott Bay · 1.6 mi NE
- Duwamish Waterway, Eighth Ave. South · 3.9 mi SE
- Point Vashon, Vashon Island · 6.9 mi SW
- Port Blakely · 6.9 mi W
- Meadow Point, Shilshole Bay · 7.4 mi N
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 13.1 ft — Mon Jan 25 · 7:15 AM
Lowest predicted low tide: -3.9 ft — Sun Jul 4 · 11:35 AM
Biggest single-day swing: 16.1 ft on Sun Jun 6
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sun Jul 4 | 11:35 AM | -3.9 ft |
| Sun Jun 6 | 12:37 PM | -3.9 ft |
| Sat Jun 5 | 11:50 AM | -3.8 ft |
| Mon Jul 5 | 12:23 PM | -3.7 ft |
| Sat Jul 3 | 10:47 AM | -3.6 ft |
| Mon Jun 7 | 1:26 PM | -3.5 ft |
| Fri Jun 4 | 11:06 AM | -3.3 ft |
| Sat May 8 | 12:54 PM | -3.2 ft |
| Sun Aug 1 | 10:32 AM | -3.1 ft |
| Mon Aug 2 | 11:20 AM | -3.1 ft |
193 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 Lockheed Shipyard, Harbor Island from the SEATTLE (Madison St.), Elliott Bay station: high tides about the same height, 1 min earlier; low tides about the same height, 1 min earlier.
Puget Sound and the Columbia estuary amplify mixed tides far inland — ranges past 10 ft in the South Sound — with river flow stacked on top.