tidealmanac
Mon, May 10

Tuesday, May 11, 2027

Copper Harbor, AK · NOAA 9450369 · MLLW · Local time (America/Sitka)

Wed, May 12

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. High4:20 AM12.7 ft3.87 m
  2. Low11:25 AM-1.0 ft-0.32 m
  3. High6:13 PM10.8 ft3.29 m
  4. Low11:35 PM3.9 ft1.19 m

Range 13.7 ft4.19 m · 4 predicted tides · MLLW

Sun

Civil dawn
4:04 AM
Sunrise
4:50 AM
Solar noon
12:47 PM
Sunset
8:44 PM
Civil dusk
9:30 PM
Daylight
15h 54m

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

Moon

First quarter31% illuminated · day 5 of the cycle

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

This week

Sat, May 8H 1:55AM 14.1 ft4.30 mL 8:53AM -2.2 ft-0.69 mH 3:24PM 11.4 ft3.49 mL 8:41PM 3.2 ft0.98 mSun, May 9H 2:38AM 13.9 ft4.24 mL 9:40AM -2.1 ft-0.63 mH 4:15PM 11.2 ft3.41 mL 9:30PM 3.5 ft1.07 mMon, May 10H 3:26AM 13.4 ft4.10 mL 10:30AM -1.6 ft-0.50 mH 5:12PM 10.9 ft3.33 mL 10:26PM 3.8 ft1.15 mTue, May 11H 4:20AM 12.7 ft3.87 mL 11:25AM -1.0 ft-0.32 mH 6:13PM 10.8 ft3.29 mL 11:35PM 3.9 ft1.19 mWed, May 12H 5:25AM 11.8 ft3.59 mL 12:26PM -0.4 ft-0.11 mH 7:17PM 10.9 ft3.31 mThu, May 13L 12:59AM 3.7 ft1.13 mH 6:42AM 10.9 ft3.33 mL 1:30PM 0.3 ft0.08 mH 8:18PM 11.2 ft3.41 mFri, May 14L 2:26AM 3.0 ft0.91 mH 8:07AM 10.3 ft3.15 mL 2:34PM 0.8 ft0.26 mH 9:13PM 11.7 ft3.57 m