tidealmanac
Sun, Sep 20

Monday, September 21, 2026

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

Tue, Sep 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. Low5:02 AM2.4 ft0.72 m
  2. High11:49 AM12.0 ft3.66 m
  3. Low5:10 PM5.9 ft1.81 m
  4. High10:50 PM13.8 ft4.20 m

Range 11.4 ft3.48 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:08 AM
Sunrise
6:48 AM
Solar noon
1:00 PM
Sunset
7:11 PM
Civil dusk
7:52 PM
Daylight
12h 23m

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

Moon

Waxing gibbous75% illuminated · day 9 of the cycle

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

This week

Fri, Sep 18L 1:07AM 2.2 ft0.68 mH 7:42AM 10.8 ft3.30 mL 12:33PM 6.3 ft1.92 mH 6:45PM 14.0 ft4.27 mSat, Sep 19L 2:22AM 2.9 ft0.88 mH 9:25AM 10.5 ft3.20 mL 2:00PM 7.0 ft2.12 mH 8:04PM 13.2 ft4.03 mSun, Sep 20L 3:51AM 2.9 ft0.88 mH 10:58AM 11.1 ft3.37 mL 3:54PM 6.8 ft2.08 mH 9:37PM 13.2 ft4.01 mMon, Sep 21L 5:02AM 2.4 ft0.72 mH 11:49AM 12.0 ft3.66 mL 5:10PM 5.9 ft1.81 mH 10:50PM 13.8 ft4.20 mTue, Sep 22L 5:51AM 1.6 ft0.49 mH 12:22PM 13.1 ft3.98 mL 6:00PM 4.7 ft1.45 mH 11:45PM 14.7 ft4.47 mWed, Sep 23L 6:29AM 0.9 ft0.28 mH 12:49PM 14.2 ft4.32 mL 6:40PM 3.4 ft1.05 mThu, Sep 24H 12:30AM 15.5 ft4.73 mL 7:02AM 0.4 ft0.13 mH 1:15PM 15.3 ft4.67 mL 7:17PM 2.1 ft0.64 m