tidealmanac
Mon, Oct 19

Tuesday, October 20, 2026

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

Wed, Oct 21

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. High12:12 AM7.5 ft2.28 m
  2. Low6:37 AM2.0 ft0.62 m
  3. High2:20 PM10.6 ft3.23 m
  4. Low8:59 PM5.5 ft1.66 m

Range 8.6 ft2.61 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:04 AM
Sunrise
7:35 AM
Solar noon
12:54 PM
Sunset
6:14 PM
Civil dusk
6:45 PM
Daylight
10h 39m

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

Moon

Waxing gibbous70% illuminated · day 9 of the cycle

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

This week

Sat, Oct 17L 3:33AM 0.5 ft0.14 mH 11:38AM 10.4 ft3.17 mL 6:30PM 7.7 ft2.34 mH 9:18PM 8.0 ft2.43 mSun, Oct 18L 4:29AM 1.1 ft0.34 mH 12:46PM 10.3 ft3.15 mL 7:52PM 7.1 ft2.16 mH 10:42PM 7.6 ft2.30 mMon, Oct 19L 5:32AM 1.6 ft0.50 mH 1:41PM 10.4 ft3.18 mL 8:33PM 6.3 ft1.93 mTue, Oct 20H 12:12AM 7.5 ft2.28 mL 6:37AM 2.0 ft0.62 mH 2:20PM 10.6 ft3.23 mL 8:59PM 5.5 ft1.66 mWed, Oct 21H 1:31AM 7.8 ft2.37 mL 7:36AM 2.3 ft0.71 mH 2:48PM 10.8 ft3.29 mL 9:21PM 4.4 ft1.34 mThu, Oct 22H 2:36AM 8.3 ft2.54 mL 8:29AM 2.7 ft0.82 mH 3:12PM 11.0 ft3.35 mL 9:43PM 3.1 ft0.96 mFri, Oct 23H 3:32AM 9.1 ft2.76 mL 9:17AM 3.2 ft0.98 mH 3:34PM 11.2 ft3.41 mL 10:09PM 1.7 ft0.53 m