tidealmanac
Sun, Sep 19

Monday, September 20, 2027

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

Tue, Sep 21

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. High3:55 AM11.2 ft3.40 m
  2. Low9:27 AM3.0 ft0.92 m
  3. High3:33 PM13.1 ft3.98 m
  4. Low10:24 PM0.3 ft0.10 m

Range 12.7 ft3.88 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:55 AM
Sunrise
6:31 AM
Solar noon
12:44 PM
Sunset
6:57 PM
Civil dusk
7:34 PM
Daylight
12h 26m

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

Moon

Waning gibbous77% illuminated · day 19 of the cycle

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

This week

Fri, Sep 17H 1:59AM 12.3 ft3.74 mL 8:00AM 1.1 ft0.32 mH 2:07PM 13.0 ft3.96 mL 8:27PM 0.2 ft0.07 mSat, Sep 18H 2:35AM 12.0 ft3.67 mL 8:28AM 1.6 ft0.49 mH 2:32PM 13.1 ft4.01 mL 9:02PM 0.1 ft0.02 mSun, Sep 19H 3:13AM 11.7 ft3.56 mL 8:56AM 2.3 ft0.70 mH 3:01PM 13.2 ft4.02 mL 9:40PM 0.1 ft0.03 mMon, Sep 20H 3:55AM 11.2 ft3.40 mL 9:27AM 3.0 ft0.92 mH 3:33PM 13.1 ft3.98 mL 10:24PM 0.3 ft0.10 mTue, Sep 21H 4:45AM 10.5 ft3.21 mL 10:02AM 3.8 ft1.14 mH 4:12PM 12.8 ft3.90 mL 11:17PM 0.7 ft0.22 mWed, Sep 22H 5:49AM 9.9 ft3.02 mL 10:47AM 4.5 ft1.36 mH 5:03PM 12.4 ft3.77 mThu, Sep 23L 12:26AM 1.1 ft0.32 mH 7:15AM 9.6 ft2.92 mL 11:56AM 5.0 ft1.54 mH 6:15PM 11.9 ft3.62 m