tidealmanac
Tue, Aug 17

Wednesday, August 18, 2027

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

Thu, Aug 19

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. High1:32 AM12.3 ft3.74 m
  2. Low8:06 AM-0.5 ft-0.16 m
  3. High2:20 PM11.7 ft3.56 m
  4. Low8:16 PM1.6 ft0.50 m

Range 12.8 ft3.90 m · 4 predicted tides · MLLW

Sun

Civil dawn
4:46 AM
Sunrise
5:30 AM
Solar noon
12:59 PM
Sunset
8:29 PM
Civil dusk
9:12 PM
Daylight
14h 59m

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

Moon

Full moon98% illuminated · day 16 of the cycle

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

This week

Sun, Aug 15L 6:40AM -0.3 ft-0.10 mH 1:04PM 10.7 ft3.27 mL 6:34PM 3.2 ft0.96 mMon, Aug 16H 12:22AM 12.2 ft3.72 mL 7:11AM -0.6 ft-0.17 mH 1:30PM 11.1 ft3.38 mL 7:09PM 2.6 ft0.79 mTue, Aug 17H 12:58AM 12.3 ft3.75 mL 7:39AM -0.6 ft-0.20 mH 1:55PM 11.4 ft3.48 mL 7:43PM 2.1 ft0.63 mWed, Aug 18H 1:32AM 12.3 ft3.74 mL 8:06AM -0.5 ft-0.16 mH 2:20PM 11.7 ft3.56 mL 8:16PM 1.6 ft0.50 mThu, Aug 19H 2:05AM 12.1 ft3.68 mL 8:33AM -0.2 ft-0.07 mH 2:44PM 11.9 ft3.64 mL 8:49PM 1.3 ft0.40 mFri, Aug 20H 2:40AM 11.7 ft3.57 mL 8:59AM 0.3 ft0.09 mH 3:09PM 12.1 ft3.69 mL 9:24PM 1.1 ft0.34 mSat, Aug 21H 3:16AM 11.3 ft3.43 mL 9:26AM 1.0 ft0.30 mH 3:36PM 12.2 ft3.71 mL 10:02PM 1.0 ft0.31 m