tidealmanac
Tue, Sep 22

Wednesday, September 23, 2026

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

Thu, Sep 24

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. High2:52 AM8.8 ft2.67 m
  2. Low9:17 AM1.1 ft0.32 m
  3. High4:27 PM10.7 ft3.27 m
  4. Low10:28 PM4.8 ft1.46 m

Range 9.7 ft2.94 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:26 AM
Sunrise
6:57 AM
Solar noon
1:02 PM
Sunset
7:07 PM
Civil dusk
7:38 PM
Daylight
12h 10m

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

Moon

Waxing gibbous90% illuminated · day 11 of the cycle

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

This week

Sun, Sep 20L 6:28AM 1.4 ft0.42 mH 3:05PM 10.1 ft3.08 mL 9:14PM 6.9 ft2.11 mMon, Sep 21H 12:45AM 8.0 ft2.44 mL 7:34AM 1.3 ft0.41 mH 3:42PM 10.4 ft3.16 mL 9:45PM 6.3 ft1.92 mTue, Sep 22H 1:56AM 8.3 ft2.54 mL 8:30AM 1.2 ft0.36 mH 4:08PM 10.5 ft3.21 mL 10:08PM 5.6 ft1.71 mWed, Sep 23H 2:52AM 8.8 ft2.67 mL 9:17AM 1.1 ft0.32 mH 4:27PM 10.7 ft3.27 mL 10:28PM 4.8 ft1.46 mThu, Sep 24H 3:41AM 9.3 ft2.82 mL 9:58AM 1.1 ft0.34 mH 4:45PM 10.9 ft3.32 mL 10:50PM 3.8 ft1.15 mFri, Sep 25H 4:26AM 9.7 ft2.97 mL 10:36AM 1.5 ft0.45 mH 5:03PM 11.1 ft3.38 mL 11:16PM 2.6 ft0.79 mSat, Sep 26H 5:11AM 10.2 ft3.10 mL 11:13AM 2.1 ft0.64 mH 5:24PM 11.3 ft3.43 mL 11:46PM 1.3 ft0.41 m