tidealmanac
Wed, May 12

Thursday, May 13, 2027

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

Fri, May 14

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. Low12:59 AM3.7 ft1.13 m
  2. High6:42 AM10.9 ft3.33 m
  3. Low1:30 PM0.3 ft0.08 m
  4. High8:18 PM11.2 ft3.41 m

Range 10.9 ft3.33 m · 4 predicted tides · MLLW

Sun

Civil dawn
3:59 AM
Sunrise
4:46 AM
Solar noon
12:47 PM
Sunset
8:47 PM
Civil dusk
9:35 PM
Daylight
16h 1m

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

Moon

First quarter52% illuminated · day 7 of the cycle

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

This week

Mon, May 10H 3:26AM 13.4 ft4.10 mL 10:30AM -1.6 ft-0.50 mH 5:12PM 10.9 ft3.33 mL 10:26PM 3.8 ft1.15 mTue, May 11H 4:20AM 12.7 ft3.87 mL 11:25AM -1.0 ft-0.32 mH 6:13PM 10.8 ft3.29 mL 11:35PM 3.9 ft1.19 mWed, May 12H 5:25AM 11.8 ft3.59 mL 12:26PM -0.4 ft-0.11 mH 7:17PM 10.9 ft3.31 mThu, May 13L 12:59AM 3.7 ft1.13 mH 6:42AM 10.9 ft3.33 mL 1:30PM 0.3 ft0.08 mH 8:18PM 11.2 ft3.41 mFri, May 14L 2:26AM 3.0 ft0.91 mH 8:07AM 10.3 ft3.15 mL 2:34PM 0.8 ft0.26 mH 9:13PM 11.7 ft3.57 mSat, May 15L 3:40AM 1.9 ft0.59 mH 9:30AM 10.2 ft3.10 mL 3:33PM 1.3 ft0.41 mH 10:01PM 12.2 ft3.73 mSun, May 16L 4:40AM 0.8 ft0.24 mH 10:42AM 10.3 ft3.14 mL 4:26PM 1.8 ft0.55 mH 10:45PM 12.7 ft3.88 m