tidealmanac
Thu, Dec 10

Friday, December 11, 2026

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

Sat, Dec 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. High2:18 AM11.6 ft3.54 m
  2. Low7:29 AM4.7 ft1.44 m
  3. High1:13 PM13.2 ft4.02 m
  4. Low8:14 PM-0.2 ft-0.07 m

Range 13.4 ft4.09 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:21 AM
Sunrise
8:06 AM
Solar noon
11:44 AM
Sunset
3:21 PM
Civil dusk
4:06 PM
Daylight
7h 15m

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

Moon

Waxing crescent5% illuminated · day 2 of the cycle

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

This week

Tue, Dec 8H 12:31AM 11.6 ft3.52 mL 5:37AM 4.6 ft1.40 mH 11:28AM 13.6 ft4.16 mL 6:30PM -0.6 ft-0.18 mWed, Dec 9H 1:08AM 11.7 ft3.56 mL 6:15AM 4.7 ft1.42 mH 12:03PM 13.6 ft4.14 mL 7:04PM -0.6 ft-0.17 mThu, Dec 10H 1:43AM 11.7 ft3.57 mL 6:52AM 4.7 ft1.43 mH 12:38PM 13.4 ft4.10 mL 7:39PM -0.4 ft-0.14 mFri, Dec 11H 2:18AM 11.6 ft3.54 mL 7:29AM 4.7 ft1.44 mH 1:13PM 13.2 ft4.02 mL 8:14PM -0.2 ft-0.07 mSat, Dec 12H 2:55AM 11.5 ft3.50 mL 8:07AM 4.7 ft1.44 mH 1:48PM 12.8 ft3.90 mL 8:49PM 0.0 ft0.01 mSun, Dec 13H 3:32AM 11.4 ft3.47 mL 8:48AM 4.8 ft1.45 mH 2:26PM 12.2 ft3.73 mL 9:24PM 0.4 ft0.14 mMon, Dec 14H 4:11AM 11.3 ft3.45 mL 9:34AM 4.7 ft1.44 mH 3:08PM 11.6 ft3.53 mL 10:01PM 1.0 ft0.29 m