tidealmanac
Sat, Jan 16

Sunday, January 17, 2027

Sumner Island, AK · NOAA 9451163 · MLLW · Local time (America/Sitka)

Mon, Jan 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. Low12:05 AM4.4 ft1.33 m
  2. High6:42 AM12.7 ft3.88 m
  3. Low2:17 PM1.2 ft0.37 m
  4. High8:48 PM9.4 ft2.86 m

Range 11.5 ft3.51 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:32 AM
Sunrise
8:17 AM
Solar noon
12:05 PM
Sunset
3:53 PM
Civil dusk
4:38 PM
Daylight
7h 36m

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

Moon

Waxing gibbous74% illuminated · day 9 of the cycle

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

This week

Thu, Jan 14H 4:17AM 12.2 ft3.72 mL 10:44AM 2.8 ft0.86 mH 4:22PM 10.1 ft3.07 mL 10:21PM 2.5 ft0.75 mFri, Jan 15H 4:56AM 12.3 ft3.76 mL 11:47AM 2.5 ft0.76 mH 5:34PM 9.4 ft2.87 mL 11:04PM 3.4 ft1.05 mSat, Jan 16H 5:44AM 12.5 ft3.81 mL 1:01PM 2.0 ft0.61 mH 7:07PM 9.1 ft2.77 mSun, Jan 17L 12:05AM 4.4 ft1.33 mH 6:42AM 12.7 ft3.88 mL 2:17PM 1.2 ft0.37 mH 8:48PM 9.4 ft2.86 mMon, Jan 18L 1:27AM 4.9 ft1.51 mH 7:48AM 13.1 ft3.98 mL 3:25PM 0.2 ft0.07 mH 10:06PM 10.1 ft3.07 mTue, Jan 19L 2:52AM 5.0 ft1.52 mH 8:56AM 13.6 ft4.14 mL 4:23PM -0.8 ft-0.24 mH 11:02PM 10.9 ft3.32 mWed, Jan 20L 4:03AM 4.6 ft1.40 mH 9:59AM 14.1 ft4.31 mL 5:14PM -1.7 ft-0.51 mH 11:48PM 11.7 ft3.56 m