tidealmanac
Fri, Dec 11

Saturday, December 12, 2026

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

Sun, Dec 13

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. Low12:09 AM-1.2 ft-0.37 m
  2. High7:54 AM12.1 ft3.68 m
  3. Low1:42 PM7.8 ft2.37 m
  4. High5:46 PM9.2 ft2.80 m

Range 13.3 ft4.05 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:12 AM
Sunrise
7:48 AM
Solar noon
12:03 PM
Sunset
4:18 PM
Civil dusk
4:54 PM
Daylight
8h 30m

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

Moon

Waxing crescent11% illuminated · day 3 of the cycle

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

This week

Wed, Dec 9H 6:25AM 12.2 ft3.72 mL 11:44AM 8.3 ft2.52 mH 3:43PM 10.1 ft3.08 mL 10:56PM -1.7 ft-0.52 mThu, Dec 10H 6:55AM 12.2 ft3.72 mL 12:23PM 8.2 ft2.50 mH 4:21PM 9.8 ft3.00 mL 11:32PM -1.5 ft-0.47 mFri, Dec 11H 7:24AM 12.1 ft3.70 mL 1:02PM 8.0 ft2.45 mH 5:02PM 9.5 ft2.91 mSat, Dec 12L 12:09AM -1.2 ft-0.37 mH 7:54AM 12.1 ft3.68 mL 1:42PM 7.8 ft2.37 mH 5:46PM 9.2 ft2.80 mSun, Dec 13L 12:48AM -0.8 ft-0.23 mH 8:26AM 12.0 ft3.66 mL 2:27PM 7.4 ft2.24 mH 6:34PM 8.7 ft2.66 mMon, Dec 14L 1:28AM -0.1 ft-0.03 mH 8:59AM 12.0 ft3.65 mL 3:15PM 6.8 ft2.06 mH 7:29PM 8.2 ft2.50 mTue, Dec 15L 2:08AM 0.8 ft0.25 mH 9:32AM 11.9 ft3.64 mL 4:06PM 5.9 ft1.81 mH 8:35PM 7.7 ft2.34 m