tidealmanac
Fri, Sep 18

Saturday, September 19, 2026

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

Sun, Sep 20

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. Low2:22 AM2.9 ft0.88 m
  2. High9:25 AM10.5 ft3.20 m
  3. Low2:00 PM7.0 ft2.12 m
  4. High8:04 PM13.2 ft4.03 m

Range 10.3 ft3.15 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:03 AM
Sunrise
6:43 AM
Solar noon
1:00 PM
Sunset
7:17 PM
Civil dusk
7:58 PM
Daylight
12h 34m

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

Moon

First quarter54% illuminated · day 7 of the cycle

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

This week

Wed, Sep 16H 5:38AM 13.2 ft4.02 mL 11:11AM 4.1 ft1.25 mH 5:14PM 16.2 ft4.92 mThu, Sep 17L 12:11AM 1.3 ft0.39 mH 6:30AM 11.9 ft3.62 mL 11:46AM 5.3 ft1.61 mH 5:53PM 15.1 ft4.59 mFri, 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 m