tidealmanac
Tue, Oct 20

Wednesday, October 21, 2026

Composite Island, AK · NOAA 9452682 · MLLW · Local time (America/Juneau)

Thu, Oct 22

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. Low4:52 AM2.4 ft0.72 m
  2. High11:23 AM13.8 ft4.22 m
  3. Low5:28 PM4.2 ft1.29 m
  4. High11:11 PM13.6 ft4.14 m

Range 11.5 ft3.50 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:15 AM
Sunrise
7:57 AM
Solar noon
12:51 PM
Sunset
5:45 PM
Civil dusk
6:27 PM
Daylight
9h 49m

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

Moon

Waxing gibbous79% illuminated · day 10 of the cycle

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

This week

Sun, Oct 18L 1:31AM 2.6 ft0.80 mH 8:33AM 11.4 ft3.47 mL 1:33PM 7.1 ft2.16 mH 7:14PM 13.1 ft3.99 mMon, Oct 19L 2:47AM 2.9 ft0.88 mH 9:53AM 11.8 ft3.60 mL 3:18PM 6.7 ft2.05 mH 8:46PM 12.6 ft3.85 mTue, Oct 20L 3:58AM 2.7 ft0.83 mH 10:46AM 12.7 ft3.87 mL 4:35PM 5.7 ft1.72 mH 10:08PM 12.9 ft3.93 mWed, Oct 21L 4:52AM 2.4 ft0.72 mH 11:23AM 13.8 ft4.22 mL 5:28PM 4.2 ft1.29 mH 11:11PM 13.6 ft4.14 mThu, Oct 22L 5:35AM 2.0 ft0.61 mH 11:54AM 15.1 ft4.61 mL 6:10PM 2.7 ft0.81 mFri, Oct 23H 12:02AM 14.4 ft4.39 mL 6:13AM 1.8 ft0.55 mH 12:24PM 16.5 ft5.03 mL 6:48PM 1.1 ft0.33 mSat, Oct 24H 12:49AM 15.2 ft4.65 mL 6:48AM 1.8 ft0.55 mH 12:54PM 17.9 ft5.45 mL 7:26PM -0.4 ft-0.11 m