tidealmanac
Fri, Sep 11

Saturday, September 12, 2026

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

Sun, Sep 13

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. High1:51 AM13.1 ft4.00 m
  2. Low8:00 AM-0.1 ft-0.04 m
  3. High2:10 PM13.5 ft4.11 m
  4. Low8:27 PM-0.2 ft-0.06 m

Range 13.7 ft4.17 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:39 AM
Sunrise
6:17 AM
Solar noon
12:47 PM
Sunset
7:17 PM
Civil dusk
7:55 PM
Daylight
13h 1m

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

Moon

New moon1% illuminated · day 0 of the cycle

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

This week

Wed, Sep 9L 6:08AM -0.9 ft-0.28 mH 12:33PM 12.2 ft3.73 mL 6:21PM 1.8 ft0.54 mThu, Sep 10H 12:20AM 13.3 ft4.07 mL 6:48AM -1.0 ft-0.29 mH 1:07PM 12.8 ft3.92 mL 7:06PM 0.8 ft0.26 mFri, Sep 11H 1:07AM 13.4 ft4.08 mL 7:25AM -0.7 ft-0.21 mH 1:39PM 13.3 ft4.04 mL 7:47PM 0.2 ft0.05 mSat, Sep 12H 1:51AM 13.1 ft4.00 mL 8:00AM -0.1 ft-0.04 mH 2:10PM 13.5 ft4.11 mL 8:27PM -0.2 ft-0.06 mSun, Sep 13H 2:33AM 12.7 ft3.87 mL 8:33AM 0.7 ft0.21 mH 2:40PM 13.4 ft4.10 mL 9:05PM -0.3 ft-0.08 mMon, Sep 14H 3:15AM 12.1 ft3.68 mL 9:05AM 1.6 ft0.49 mH 3:10PM 13.2 ft4.03 mL 9:44PM 0.0 ft0.00 mTue, Sep 15H 3:58AM 11.4 ft3.47 mL 9:36AM 2.6 ft0.79 mH 3:40PM 12.8 ft3.90 mL 10:24PM 0.5 ft0.16 m