tidealmanac
Tue, Jan 19

Wednesday, January 20, 2027

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

Thu, Jan 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. Low4:03 AM4.6 ft1.40 m
  2. High9:59 AM14.1 ft4.31 m
  3. Low5:14 PM-1.7 ft-0.51 m
  4. High11:48 PM11.7 ft3.56 m

Range 15.8 ft4.82 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:29 AM
Sunrise
8:13 AM
Solar noon
12:06 PM
Sunset
3:59 PM
Civil dusk
4:43 PM
Daylight
7h 46m

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

Moon

Waxing gibbous95% illuminated · day 12 of the cycle

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

This week

Sun, 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 mThu, Jan 21L 5:04AM 3.9 ft1.19 mH 10:56AM 14.6 ft4.46 mL 6:01PM -2.3 ft-0.70 mFri, Jan 22H 12:30AM 12.3 ft3.76 mL 5:58AM 3.1 ft0.95 mH 11:49AM 14.9 ft4.53 mL 6:45PM -2.5 ft-0.78 mSat, Jan 23H 1:10AM 12.9 ft3.93 mL 6:50AM 2.4 ft0.73 mH 12:40PM 14.7 ft4.49 mL 7:27PM -2.4 ft-0.73 m