tidealmanac
Wed, Aug 11

Thursday, August 12, 2027

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

Fri, Aug 13

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. Low4:30 AM0.8 ft0.25 m
  2. High11:18 AM9.4 ft2.88 m
  3. Low4:12 PM4.8 ft1.45 m
  4. High10:02 PM11.3 ft3.46 m

Range 10.5 ft3.21 m · 4 predicted tides · MLLW

Sun

Civil dawn
4:32 AM
Sunrise
5:18 AM
Solar noon
1:00 PM
Sunset
8:43 PM
Civil dusk
9:28 PM
Daylight
15h 25m

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

Moon

Waxing gibbous76% illuminated · day 10 of the cycle

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

This week

Mon, Aug 9L 12:47AM 0.9 ft0.28 mH 6:56AM 9.2 ft2.80 mL 12:12PM 3.4 ft1.05 mH 6:37PM 11.8 ft3.60 mTue, Aug 10L 2:02AM 1.2 ft0.35 mH 8:30AM 8.8 ft2.68 mL 1:19PM 4.4 ft1.34 mH 7:40PM 11.4 ft3.47 mWed, Aug 11L 3:22AM 1.1 ft0.34 mH 10:08AM 9.0 ft2.74 mL 2:49PM 4.9 ft1.48 mH 8:53PM 11.2 ft3.42 mThu, Aug 12L 4:30AM 0.8 ft0.25 mH 11:18AM 9.4 ft2.88 mL 4:12PM 4.8 ft1.45 mH 10:02PM 11.3 ft3.46 mFri, Aug 13L 5:23AM 0.4 ft0.13 mH 12:02PM 9.9 ft3.03 mL 5:11PM 4.3 ft1.32 mH 10:58PM 11.6 ft3.55 mSat, Aug 14L 6:05AM 0.0 ft0.00 mH 12:35PM 10.3 ft3.15 mL 5:56PM 3.8 ft1.14 mH 11:43PM 12.0 ft3.65 mSun, Aug 15L 6:40AM -0.3 ft-0.10 mH 1:04PM 10.7 ft3.27 mL 6:34PM 3.2 ft0.96 m