tidealmanac
Tue, Sep 29

Wednesday, September 30, 2026

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

Thu, Oct 1

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. High4:38 AM15.2 ft4.62 m
  2. Low10:15 AM3.2 ft0.97 m
  3. High4:19 PM19.0 ft5.79 m
  4. Low11:12 PM-1.0 ft-0.31 m

Range 20.0 ft6.10 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:28 AM
Sunrise
7:08 AM
Solar noon
12:56 PM
Sunset
6:45 PM
Civil dusk
7:25 PM
Daylight
11h 37m

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

Moon

Waning gibbous83% illuminated · day 18 of the cycle

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

This week

Sun, Sep 27H 2:30AM 16.8 ft5.13 mL 8:34AM 0.6 ft0.19 mH 2:38PM 18.5 ft5.63 mL 9:04PM -1.0 ft-0.32 mMon, Sep 28H 3:10AM 16.6 ft5.07 mL 9:06AM 1.3 ft0.39 mH 3:08PM 19.1 ft5.81 mL 9:43PM -1.5 ft-0.45 mTue, Sep 29H 3:52AM 16.1 ft4.90 mL 9:39AM 2.1 ft0.65 mH 3:42PM 19.3 ft5.87 mL 10:25PM -1.5 ft-0.45 mWed, Sep 30H 4:38AM 15.2 ft4.62 mL 10:15AM 3.2 ft0.97 mH 4:19PM 19.0 ft5.79 mL 11:12PM -1.0 ft-0.31 mThu, Oct 1H 5:30AM 14.0 ft4.26 mL 10:55AM 4.3 ft1.30 mH 5:03PM 18.2 ft5.55 mFri, Oct 2L 12:08AM -0.3 ft-0.08 mH 6:33AM 12.8 ft3.90 mL 11:46AM 5.3 ft1.62 mH 5:57PM 17.1 ft5.20 mSat, Oct 3L 1:16AM 0.6 ft0.17 mH 7:56AM 12.0 ft3.67 mL 1:00PM 6.2 ft1.88 mH 7:10PM 15.8 ft4.82 m