tidealmanac
Thu, Sep 16

Friday, September 17, 2027

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

Sat, Sep 18

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. High1:59 AM12.3 ft3.74 m
  2. Low8:00 AM1.1 ft0.32 m
  3. High2:07 PM13.0 ft3.96 m
  4. Low8:27 PM0.2 ft0.07 m

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

Sun

Civil dawn
5:49 AM
Sunrise
6:25 AM
Solar noon
12:45 PM
Sunset
7:05 PM
Civil dusk
7:42 PM
Daylight
12h 40m

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

Moon

Full moon97% illuminated · day 16 of the cycle

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

This week

Tue, Sep 14H 12:13AM 12.1 ft3.69 mL 6:38AM 0.4 ft0.12 mH 12:55PM 11.9 ft3.63 mL 6:50PM 1.8 ft0.54 mWed, Sep 15H 12:49AM 12.3 ft3.74 mL 7:06AM 0.4 ft0.13 mH 1:18PM 12.3 ft3.76 mL 7:22PM 1.1 ft0.34 mThu, Sep 16H 1:24AM 12.3 ft3.76 mL 7:33AM 0.7 ft0.20 mH 1:42PM 12.7 ft3.87 mL 7:54PM 0.6 ft0.19 mFri, 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 m