tidealmanac
Wed, Dec 30

Thursday, December 31, 2026

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

Fri, Jan 1

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. Low12:45 AM2.7 ft0.83 m
  2. High7:19 AM16.5 ft5.04 m
  3. Low2:13 PM2.8 ft0.86 m
  4. High8:01 PM11.7 ft3.56 m

Range 13.8 ft4.22 m · 4 predicted tides · MLLW

Sun

Civil dawn
8:06 AM
Sunrise
8:59 AM
Solar noon
12:09 PM
Sunset
3:19 PM
Civil dusk
4:12 PM
Daylight
6h 19m

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

Moon

Last quarter49% illuminated · day 22 of the cycle

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

This week

Mon, Dec 28H 4:49AM 16.9 ft5.16 mL 10:45AM 3.4 ft1.04 mH 4:30PM 17.1 ft5.21 mL 11:09PM -0.4 ft-0.13 mTue, Dec 29H 5:37AM 16.8 ft5.13 mL 11:48AM 3.3 ft1.01 mH 5:30PM 14.9 ft4.55 mL 11:55PM 1.1 ft0.34 mWed, Dec 30H 6:26AM 16.7 ft5.08 mL 12:58PM 3.2 ft0.97 mH 6:40PM 13.0 ft3.96 mThu, Dec 31L 12:45AM 2.7 ft0.83 mH 7:19AM 16.5 ft5.04 mL 2:13PM 2.8 ft0.86 mH 8:01PM 11.7 ft3.56 mFri, Jan 1L 1:37AM 4.2 ft1.28 mH 8:10AM 16.6 ft5.07 mL 3:24PM 2.2 ft0.67 mH 9:32PM 11.3 ft3.46 mSat, Jan 2L 2:43AM 5.3 ft1.63 mH 9:06AM 16.6 ft5.07 mL 4:29PM 1.5 ft0.47 mH 10:54PM 11.9 ft3.61 mSun, Jan 3L 3:51AM 6.0 ft1.83 mH 10:01AM 16.8 ft5.13 mL 5:22PM 0.9 ft0.27 mH 11:54PM 12.7 ft3.87 m