tidealmanac
Thu, Dec 24

Friday, December 25, 2026

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

Sat, Dec 26

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. High1:39 AM12.6 ft3.85 m
  2. Low6:58 AM3.7 ft1.12 m
  3. High12:53 PM15.3 ft4.65 m
  4. Low7:50 PM-2.5 ft-0.75 m

Range 17.7 ft5.40 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:30 AM
Sunrise
8:16 AM
Solar noon
11:50 AM
Sunset
3:24 PM
Civil dusk
4:10 PM
Daylight
7h 8m

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

Moon

Full moon98% illuminated · day 16 of the cycle

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

This week

Tue, Dec 22L 4:17AM 4.4 ft1.35 mH 10:20AM 14.8 ft4.50 mL 5:29PM -1.7 ft-0.51 mWed, Dec 23H 12:07AM 11.9 ft3.63 mL 5:12AM 4.2 ft1.29 mH 11:11AM 15.2 ft4.63 mL 6:17PM -2.3 ft-0.69 mThu, Dec 24H 12:54AM 12.3 ft3.76 mL 6:05AM 4.0 ft1.21 mH 12:02PM 15.4 ft4.70 mL 7:04PM -2.5 ft-0.78 mFri, Dec 25H 1:39AM 12.6 ft3.85 mL 6:58AM 3.7 ft1.12 mH 12:53PM 15.3 ft4.65 mL 7:50PM -2.5 ft-0.75 mSat, Dec 26H 2:25AM 12.8 ft3.90 mL 7:51AM 3.4 ft1.03 mH 1:43PM 14.7 ft4.49 mL 8:36PM -2.0 ft-0.61 mSun, Dec 27H 3:10AM 12.9 ft3.92 mL 8:46AM 3.2 ft0.97 mH 2:36PM 13.8 ft4.22 mL 9:20PM -1.2 ft-0.36 mMon, Dec 28H 3:57AM 12.9 ft3.93 mL 9:44AM 3.1 ft0.93 mH 3:31PM 12.7 ft3.87 mL 10:05PM -0.1 ft-0.04 m