tidealmanac
Sun, Sep 19

Monday, September 20, 2027

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

Tue, Sep 21

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. High4:50 AM14.1 ft4.29 m
  2. Low10:28 AM3.4 ft1.05 m
  3. High4:34 PM17.5 ft5.33 m
  4. Low11:25 PM0.3 ft0.08 m

Range 17.2 ft5.25 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:05 AM
Sunrise
6:45 AM
Solar noon
1:00 PM
Sunset
7:15 PM
Civil dusk
7:55 PM
Daylight
12h 30m

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

Moon

Waning gibbous77% illuminated · day 19 of the cycle

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

This week

Fri, Sep 17H 2:57AM 16.1 ft4.91 mL 9:03AM 0.9 ft0.29 mH 3:06PM 17.3 ft5.29 mL 9:30PM 0.0 ft-0.01 mSat, Sep 18H 3:32AM 15.7 ft4.78 mL 9:30AM 1.6 ft0.50 mH 3:33PM 17.6 ft5.38 mL 10:04PM -0.2 ft-0.07 mSun, Sep 19H 4:09AM 15.0 ft4.57 mL 9:58AM 2.5 ft0.76 mH 4:02PM 17.7 ft5.40 mL 10:42PM -0.1 ft-0.03 mMon, Sep 20H 4:50AM 14.1 ft4.29 mL 10:28AM 3.4 ft1.05 mH 4:34PM 17.5 ft5.33 mL 11:25PM 0.3 ft0.08 mTue, Sep 21H 5:38AM 13.0 ft3.95 mL 11:02AM 4.4 ft1.34 mH 5:14PM 17.0 ft5.18 mWed, Sep 22L 12:19AM 0.8 ft0.24 mH 6:40AM 11.9 ft3.62 mL 11:46AM 5.4 ft1.63 mH 6:05PM 16.2 ft4.94 mThu, Sep 23L 1:28AM 1.3 ft0.40 mH 8:05AM 11.2 ft3.42 mL 12:56PM 6.2 ft1.88 mH 7:18PM 15.4 ft4.69 m