tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

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

Mon, Oct 19

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. Low12:28 AM2.1 ft0.65 m
  2. High7:45 AM9.7 ft2.97 m
  3. Low12:28 PM5.8 ft1.76 m
  4. High6:09 PM10.5 ft3.20 m

Range 8.4 ft2.55 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:49 AM
Sunrise
7:26 AM
Solar noon
12:36 PM
Sunset
5:46 PM
Civil dusk
6:23 PM
Daylight
10h 20m

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

Moon

First quarter49% illuminated · day 7 of the cycle

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

This week

Thu, Oct 15H 4:25AM 10.9 ft3.32 mL 9:36AM 4.5 ft1.36 mH 3:29PM 12.4 ft3.78 mL 10:33PM 0.9 ft0.29 mFri, Oct 16H 5:16AM 10.3 ft3.15 mL 10:14AM 5.0 ft1.54 mH 4:06PM 11.8 ft3.59 mL 11:24PM 1.6 ft0.49 mSat, Oct 17H 6:22AM 9.9 ft3.01 mL 11:04AM 5.5 ft1.68 mH 4:56PM 11.1 ft3.38 mSun, Oct 18L 12:28AM 2.1 ft0.65 mH 7:45AM 9.7 ft2.97 mL 12:28PM 5.8 ft1.76 mH 6:09PM 10.5 ft3.20 mMon, Oct 19L 1:45AM 2.3 ft0.71 mH 9:00AM 10.0 ft3.04 mL 2:20PM 5.5 ft1.67 mH 7:44PM 10.2 ft3.11 mTue, Oct 20L 2:56AM 2.2 ft0.68 mH 9:50AM 10.5 ft3.20 mL 3:37PM 4.6 ft1.41 mH 9:07PM 10.4 ft3.16 mWed, Oct 21L 3:49AM 2.0 ft0.60 mH 10:26AM 11.1 ft3.39 mL 4:27PM 3.5 ft1.08 mH 10:12PM 10.8 ft3.29 m