Tidewindow

Seattle (Puget Sound): August 2026 low tide calendar

NOAA 9447130
Computed 2026-08-18 · NOAA station 9447130

August 2026 gives Seattle (Puget Sound) 9 low tides under +1.0 ft, of which 4 are daylight minus tides. The month's best window is Aug 26, 2026 (Wed) — a -0.3 ft low at 10:33 AM, walkable 9:05 AM12:05 PM. 57 · Fair

Day color = best window that day: gold Exceptional · deep green Great · sea-green Good · sand Fair · grey none/night.

Every window in August 2026

Heights in feet MLLW. ✳ = federal holiday. Night lows score 0.

DateLowHeightWindowDaylightScore
Fri6:20 AM0.9 ft5:55 AM6:25 AM0h 11m0 · Skip
Sat7:22 AM0.8 ft6:45 AM8:05 AM1h 20m33 · Skip
Sun8:20 AM0.5 ft7:25 AM9:20 AM1h 55m39 · Skip
Mon9:11 AM0.2 ft7:55 AM10:25 AM2h 30m42 · Fair
Tue9:55 AM-0.1 ft8:30 AM11:20 AM2h 50m51 · Fair
Wed10:33 AM-0.3 ft9:05 AM12:05 PM3h 0m57 · Fair
Thu11:08 AM-0.3 ft9:45 AM12:30 PM2h 45m54 · Fair
Fri11:42 AM-0.0 ft10:35 AM12:55 PM2h 20m49 · Fair
Sat12:17 PM0.6 ft11:40 AM1:00 PM1h 20m33 · Skip
July 2026September 2026

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Predictions are astronomical forecasts, not observations — wind and pressure change actual water levels. Method: hourly NOAA series, linear-interpolated crossings, rounded to 5 minutes. Full details on the methodology page.