tidealmanac
Mon, Aug 16

Tuesday, August 17, 2027

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

Wed, Aug 18

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. High2:07 AM16.7 ft5.09 m
  2. Low8:46 AM-0.9 ft-0.27 m
  3. High2:59 PM15.0 ft4.57 m
  4. Low8:50 PM2.4 ft0.72 m

Range 17.6 ft5.36 m · 4 predicted tides · MLLW

Sun

Civil dawn
4:41 AM
Sunrise
5:29 AM
Solar noon
1:11 PM
Sunset
8:52 PM
Civil dusk
9:40 PM
Daylight
15h 23m

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

Moon

Full moon100% illuminated · day 15 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Sat, Aug 14H 12:07AM 15.5 ft4.73 mL 7:12AM 0.1 ft0.03 mH 1:38PM 13.1 ft4.00 mL 7:03PM 4.6 ft1.39 mSun, Aug 15H 12:52AM 16.1 ft4.91 mL 7:47AM -0.4 ft-0.12 mH 2:07PM 13.8 ft4.21 mL 7:41PM 3.8 ft1.15 mMon, Aug 16H 1:31AM 16.5 ft5.04 mL 8:17AM -0.7 ft-0.22 mH 2:34PM 14.4 ft4.40 mL 8:16PM 3.0 ft0.92 mTue, Aug 17H 2:07AM 16.7 ft5.09 mL 8:46AM -0.9 ft-0.27 mH 2:59PM 15.0 ft4.57 mL 8:50PM 2.4 ft0.72 mWed, Aug 18H 2:41AM 16.6 ft5.07 mL 9:13AM -0.8 ft-0.24 mH 3:25PM 15.5 ft4.72 mL 9:23PM 1.8 ft0.55 mThu, Aug 19H 3:14AM 16.2 ft4.95 mL 9:40AM -0.4 ft-0.13 mH 3:50PM 15.9 ft4.85 mL 9:56PM 1.4 ft0.43 mFri, Aug 20H 3:48AM 15.6 ft4.76 mL 10:06AM 0.2 ft0.07 mH 4:16PM 16.2 ft4.93 mL 10:31PM 1.2 ft0.36 m