tidealmanac
Sun, Aug 30

Monday, August 31, 2026

Lockheed Shipyard, Harbor Island, WA · NOAA 9447110 · MLLW · Local time (America/Los_Angeles)

Tue, Sep 1

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. Low1:33 AM1.8 ft0.54 m
  2. High7:35 AM10.0 ft3.04 m
  3. Low1:29 PM2.8 ft0.87 m
  4. High7:40 PM11.5 ft3.50 m

Range 9.7 ft2.96 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:54 AM
Sunrise
6:26 AM
Solar noon
1:10 PM
Sunset
7:54 PM
Civil dusk
8:26 PM
Daylight
13h 27m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waning gibbous86% illuminated · day 18 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Fri, Aug 28not loadedSat, Aug 29not loadedSun, Aug 30not loadedMon, Aug 31L 1:33AM 1.8 ft0.54 mH 7:35AM 10.0 ft3.04 mL 1:29PM 2.8 ft0.87 mH 7:40PM 11.5 ft3.50 mTue, Sep 1L 2:14AM 0.8 ft0.24 mH 8:31AM 9.9 ft3.01 mL 2:09PM 4.3 ft1.30 mH 8:08PM 11.3 ft3.46 mWed, Sep 2L 2:59AM 0.0 ft0.01 mH 9:34AM 9.7 ft2.95 mL 2:54PM 5.7 ft1.74 mH 8:41PM 11.1 ft3.37 mThu, Sep 3L 3:50AM -0.4 ft-0.12 mH 10:50AM 9.5 ft2.89 mL 3:48PM 7.0 ft2.14 mH 9:20PM 10.7 ft3.25 m