tidealmanac
Fri, Sep 17

Saturday, September 18, 2027

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

Sun, Sep 19

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. High3:32 AM15.7 ft4.78 m
  2. Low9:30 AM1.6 ft0.50 m
  3. High3:33 PM17.6 ft5.38 m
  4. Low10:04 PM-0.2 ft-0.07 m

Range 17.9 ft5.44 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:00 AM
Sunrise
6:41 AM
Solar noon
1:01 PM
Sunset
7:21 PM
Civil dusk
8:01 PM
Daylight
12h 40m

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

Moon

Waning gibbous92% illuminated · day 17 of the cycle

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

This week

Wed, Sep 15H 1:48AM 16.2 ft4.94 mL 8:09AM 0.2 ft0.07 mH 2:16PM 16.2 ft4.93 mL 8:25PM 1.0 ft0.31 mThu, Sep 16H 2:23AM 16.3 ft4.96 mL 8:36AM 0.5 ft0.14 mH 2:41PM 16.8 ft5.13 mL 8:57PM 0.4 ft0.12 mFri, 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 m