tidealmanac
Mon, Aug 16

Tuesday, August 17, 2027

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

Wed, Aug 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. High12:58 AM12.3 ft3.75 m
  2. Low7:39 AM-0.6 ft-0.20 m
  3. High1:55 PM11.4 ft3.48 m
  4. Low7:43 PM2.1 ft0.63 m

Range 13.0 ft3.95 m · 4 predicted tides · MLLW

Sun

Civil dawn
4:44 AM
Sunrise
5:28 AM
Solar noon
12:59 PM
Sunset
8:31 PM
Civil dusk
9:15 PM
Daylight
15h 4m

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

Moon

Full moon100% illuminated · day 15 of the cycle

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

This week

Sat, 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 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 m