tidealmanac
Sat, Aug 21

Sunday, August 22, 2027

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

Mon, Aug 23

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. High4:06 AM10.9 ft3.31 m
  2. Low9:57 AM1.9 ft0.58 m
  3. High4:14 PM12.4 ft3.78 m
  4. Low10:49 PM1.1 ft0.35 m

Range 11.3 ft3.43 m · 4 predicted tides · MLLW

Sun

Civil dawn
4:56 AM
Sunrise
5:37 AM
Solar noon
12:54 PM
Sunset
8:11 PM
Civil dusk
8:51 PM
Daylight
14h 34m

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

Moon

Waning gibbous72% illuminated · day 20 of the cycle

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

This week

Thu, Aug 19H 2:14AM 12.3 ft3.74 mL 8:37AM -0.1 ft-0.04 mH 2:53PM 12.1 ft3.70 mL 8:53PM 1.4 ft0.43 mFri, Aug 20H 2:49AM 11.9 ft3.63 mL 9:03AM 0.4 ft0.12 mH 3:18PM 12.3 ft3.75 mL 9:28PM 1.2 ft0.36 mSat, Aug 21H 3:25AM 11.5 ft3.49 mL 9:30AM 1.1 ft0.34 mH 3:45PM 12.4 ft3.77 mL 10:06PM 1.1 ft0.34 mSun, Aug 22H 4:06AM 10.9 ft3.31 mL 9:57AM 1.9 ft0.58 mH 4:14PM 12.4 ft3.78 mL 10:49PM 1.1 ft0.35 mMon, Aug 23H 4:53AM 10.2 ft3.10 mL 10:28AM 2.8 ft0.84 mH 4:49PM 12.3 ft3.76 mL 11:42PM 1.3 ft0.39 mTue, Aug 24H 5:54AM 9.5 ft2.90 mL 11:06AM 3.6 ft1.11 mH 5:35PM 12.2 ft3.71 mWed, Aug 25L 12:50AM 1.4 ft0.42 mH 7:18AM 9.0 ft2.75 mL 12:01PM 4.4 ft1.35 mH 6:38PM 12.0 ft3.66 m