tidealmanac
Sat, Dec 19

Sunday, December 20, 2026

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

Mon, Dec 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. Low3:22 AM5.0 ft1.51 m
  2. High9:42 AM17.9 ft5.45 m
  3. Low4:53 PM0.3 ft0.10 m
  4. High11:13 PM13.0 ft3.96 m

Range 17.6 ft5.35 m · 4 predicted tides · MLLW

Sun

Civil dawn
8:03 AM
Sunrise
8:57 AM
Solar noon
12:04 PM
Sunset
3:10 PM
Civil dusk
4:04 PM
Daylight
6h 13m

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

Moon

Waxing gibbous86% illuminated · day 11 of the cycle

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

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