Pacific Northwest
Rosario
East Sound, Orcas Island · Washington · NOAA station 9449771 · Tide predictions
48.6467, -122.8700
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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
Se'lhaem Bellingham Bay buoy · 14 mi E · Station 46118
Wind & wave reports →
Nearby tide stations
- Orcas, Orcas Island · 4.9 mi SW
- Shaw Island, Ferry Terminal, Harney Channel · 5.0 mi SW
- Upright Head, Lopez Island · 5.2 mi S
- Tide Point, Cypress Island · 6.9 mi SE
- Echo Bay, Sucia Islands · 7.7 mi N
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 9.5 ft — Thu Dec 16 · 8:18 AM
Lowest predicted low tide: -3.4 ft — Sun Jul 4 · 11:25 AM
Biggest single-day swing: 12.4 ft on Sun Jun 6
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sun Jul 4 | 11:25 AM | -3.4 ft |
| Sun Jun 6 | 12:25 PM | -3.3 ft |
| Sat Jun 5 | 11:40 AM | -3.3 ft |
| Sat Jul 3 | 10:39 AM | -3.3 ft |
| Mon Jul 5 | 12:11 PM | -3.1 ft |
| Mon Jun 7 | 1:11 PM | -3.0 ft |
| Fri Jun 4 | 10:56 AM | -2.9 ft |
| Fri Jul 2 | 9:53 AM | -2.7 ft |
| Sun Aug 1 | 10:22 AM | -2.7 ft |
| Sat May 8 | 12:41 PM | -2.6 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
Rosario, East Sound, Orcas Island is one of NOAA's reference tide stations — its predictions are computed directly from harmonic analysis of water levels observed here, and other nearby stations are calculated from it.
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.