tidealmanac
Wed, Mar 17

Thursday, March 18, 2027

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

Fri, Mar 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. Low3:58 AM4.3 ft1.31 m
  2. High9:49 AM12.2 ft3.71 m
  3. Low4:49 PM-0.1 ft-0.04 m
  4. High11:26 PM11.4 ft3.47 m

Range 12.3 ft3.76 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:23 AM
Sunrise
6:59 AM
Solar noon
12:59 PM
Sunset
6:58 PM
Civil dusk
7:34 PM
Daylight
11h 59m

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

Moon

Waxing gibbous82% illuminated · day 10 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Mon, Mar 15H 5:36AM 12.6 ft3.84 mL 1:04PM 0.9 ft0.28 mH 7:52PM 9.4 ft2.87 mTue, Mar 16L 12:27AM 5.0 ft1.53 mH 6:52AM 12.1 ft3.69 mL 2:31PM 0.9 ft0.26 mH 9:30PM 9.7 ft2.97 mWed, Mar 17L 2:21AM 5.1 ft1.55 mH 8:24AM 11.9 ft3.64 mL 3:48PM 0.4 ft0.12 mH 10:38PM 10.5 ft3.20 mThu, Mar 18L 3:58AM 4.3 ft1.31 mH 9:49AM 12.2 ft3.71 mL 4:49PM -0.1 ft-0.04 mH 11:26PM 11.4 ft3.47 mFri, Mar 19L 5:05AM 3.1 ft0.94 mH 10:59AM 12.6 ft3.85 mL 5:38PM -0.6 ft-0.17 mSat, Mar 20H 12:05AM 12.3 ft3.74 mL 5:58AM 1.8 ft0.55 mH 11:56AM 13.0 ft3.96 mL 6:21PM -0.7 ft-0.21 mSun, Mar 21H 12:41AM 13.0 ft3.98 mL 6:45AM 0.6 ft0.19 mH 12:47PM 13.2 ft4.02 mL 7:00PM -0.5 ft-0.16 m