tidealmanac
Mon, Dec 14

Tuesday, December 15, 2026

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

Wed, Dec 16

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. High4:51 AM11.3 ft3.46 m
  2. Low10:29 AM4.6 ft1.40 m
  3. High3:58 PM10.9 ft3.31 m
  4. Low10:40 PM1.6 ft0.48 m

Range 9.8 ft2.98 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:25 AM
Sunrise
8:10 AM
Solar noon
11:45 AM
Sunset
3:21 PM
Civil dusk
4:06 PM
Daylight
7h 10m

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

Moon

First quarter38% illuminated · day 6 of the cycle

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

This week

Sat, 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 mTue, Dec 15H 4:51AM 11.3 ft3.46 mL 10:29AM 4.6 ft1.40 mH 3:58PM 10.9 ft3.31 mL 10:40PM 1.6 ft0.48 mWed, Dec 16H 5:33AM 11.5 ft3.51 mL 11:34AM 4.3 ft1.30 mH 5:02PM 10.2 ft3.10 mL 11:24PM 2.3 ft0.70 mThu, Dec 17H 6:16AM 11.8 ft3.60 mL 12:47PM 3.6 ft1.10 mH 6:21PM 9.7 ft2.95 mFri, Dec 18L 12:15AM 3.0 ft0.92 mH 7:01AM 12.3 ft3.74 mL 1:56PM 2.7 ft0.81 mH 7:49PM 9.6 ft2.93 m