tidealmanac
Thu, Sep 9

Friday, September 10, 2027

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

Sat, Sep 11

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. Low3:59 AM1.5 ft0.47 m
  2. High10:47 AM9.8 ft2.97 m
  3. Low4:04 PM4.8 ft1.45 m
  4. High9:43 PM10.8 ft3.30 m

Range 9.3 ft2.83 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:37 AM
Sunrise
6:15 AM
Solar noon
12:52 PM
Sunset
7:29 PM
Civil dusk
8:08 PM
Daylight
13h 14m

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

Moon

Waxing gibbous71% illuminated · day 9 of the cycle

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

This week

Tue, Sep 7L 12:04AM 0.9 ft0.29 mH 6:33AM 9.5 ft2.89 mL 11:36AM 4.4 ft1.34 mH 5:47PM 11.5 ft3.49 mWed, Sep 8L 1:18AM 1.6 ft0.47 mH 8:07AM 9.1 ft2.78 mL 12:50PM 5.1 ft1.55 mH 6:58PM 10.8 ft3.31 mThu, Sep 9L 2:45AM 1.8 ft0.54 mH 9:44AM 9.3 ft2.83 mL 2:40PM 5.2 ft1.59 mH 8:26PM 10.6 ft3.24 mFri, Sep 10L 3:59AM 1.5 ft0.47 mH 10:47AM 9.8 ft2.97 mL 4:04PM 4.8 ft1.45 mH 9:43PM 10.8 ft3.30 mSat, Sep 11L 4:52AM 1.1 ft0.35 mH 11:26AM 10.2 ft3.12 mL 4:58PM 4.0 ft1.23 mH 10:41PM 11.2 ft3.42 mSun, Sep 12L 5:32AM 0.7 ft0.23 mH 11:56AM 10.7 ft3.27 mL 5:38PM 3.2 ft0.98 mH 11:26PM 11.6 ft3.53 mMon, Sep 13L 6:05AM 0.4 ft0.14 mH 12:21PM 11.2 ft3.42 mL 6:13PM 2.4 ft0.74 m