tidealmanac
Mon, Apr 19

Tuesday, April 20, 2027

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

Wed, Apr 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. High4:39 AM11.6 ft3.52 m
  2. Low11:24 AM-0.7 ft-0.22 m
  3. High6:13 PM10.8 ft3.30 m
  4. Low11:39 PM4.8 ft1.48 m

Range 12.3 ft3.74 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:40 AM
Sunrise
6:12 AM
Solar noon
1:09 PM
Sunset
8:05 PM
Civil dusk
8:37 PM
Daylight
13h 52m

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

Moon

Full moon99% illuminated · day 14 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Sat, Apr 17H 3:12AM 11.4 ft3.48 mL 9:36AM 3.2 ft0.99 mH 3:16PM 9.1 ft2.78 mL 9:10PM 2.0 ft0.62 mSun, Apr 18H 3:43AM 11.6 ft3.53 mL 10:14AM 1.7 ft0.52 mH 4:22PM 9.8 ft2.97 mL 10:03PM 2.9 ft0.89 mMon, Apr 19H 4:11AM 11.6 ft3.55 mL 10:49AM 0.3 ft0.10 mH 5:20PM 10.3 ft3.15 mL 10:52PM 3.9 ft1.18 mTue, Apr 20H 4:39AM 11.6 ft3.52 mL 11:24AM -0.7 ft-0.22 mH 6:13PM 10.8 ft3.30 mL 11:39PM 4.8 ft1.48 mWed, Apr 21H 5:08AM 11.3 ft3.46 mL 11:58AM -1.4 ft-0.43 mH 7:03PM 11.2 ft3.40 mThu, Apr 22L 12:25AM 5.7 ft1.75 mH 5:38AM 11.0 ft3.35 mL 12:33PM -1.8 ft-0.54 mH 7:49PM 11.3 ft3.45 mFri, Apr 23L 1:12AM 6.5 ft1.97 mH 6:11AM 10.5 ft3.21 mL 1:09PM -1.7 ft-0.53 mH 8:35PM 11.3 ft3.45 m