tidealmanac
Wed, Dec 30

Thursday, December 31, 2026

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

Fri, Jan 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. Low3:55 AM4.5 ft1.36 m
  2. High10:36 AM12.1 ft3.69 m
  3. Low5:49 PM1.8 ft0.54 m

Range 10.4 ft3.16 m · 3 predicted tides · MLLW

Sun

Civil dawn
7:22 AM
Sunrise
7:58 AM
Solar noon
12:12 PM
Sunset
4:27 PM
Civil dusk
5:03 PM
Daylight
8h 29m

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

Moon

Last quarter49% illuminated · day 22 of the cycle

Near quarter moon: neap tides, a smaller range than average. Approximate phase, computed here.

This week

Mon, Dec 28L 1:21AM -1.3 ft-0.40 mH 8:41AM 12.9 ft3.94 mL 2:49PM 5.6 ft1.70 mH 7:43PM 9.1 ft2.78 mTue, Dec 29L 2:09AM 0.4 ft0.13 mH 9:19AM 12.8 ft3.89 mL 3:53PM 4.4 ft1.34 mH 9:04PM 8.3 ft2.52 mWed, Dec 30L 2:59AM 2.4 ft0.73 mH 9:57AM 12.5 ft3.81 mL 4:56PM 3.2 ft0.96 mH 10:45PM 7.8 ft2.39 mThu, Dec 31L 3:55AM 4.5 ft1.36 mH 10:36AM 12.1 ft3.69 mL 5:49PM 1.8 ft0.54 mFri, Jan 1H 12:44AM 8.3 ft2.53 mL 5:03AM 6.4 ft1.94 mH 11:13AM 11.7 ft3.58 mL 6:42PM 0.8 ft0.24 mSat, Jan 2H 2:26AM 9.4 ft2.85 mL 6:33AM 7.7 ft2.35 mH 11:56AM 11.2 ft3.43 mL 7:29PM 0.0 ft0.00 mSun, Jan 3H 3:36AM 10.5 ft3.19 mL 8:08AM 8.3 ft2.53 mH 12:41PM 10.8 ft3.29 mL 8:12PM -0.5 ft-0.17 m