tidealmanac
Fri, Nov 20

Saturday, November 21, 2026

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

Sun, Nov 22

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. Low3:10 AM2.9 ft0.89 m
  2. High9:21 AM13.0 ft3.97 m
  3. Low4:13 PM0.4 ft0.13 m
  4. High10:23 PM11.0 ft3.36 m

Range 12.6 ft3.84 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:01 AM
Sunrise
7:45 AM
Solar noon
11:41 AM
Sunset
3:37 PM
Civil dusk
4:21 PM
Daylight
7h 51m

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

Moon

Waxing gibbous90% illuminated · day 11 of the cycle

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

This week

Wed, Nov 18L 12:32AM 2.2 ft0.68 mH 7:24AM 10.9 ft3.32 mL 1:43PM 4.2 ft1.27 mH 7:05PM 9.7 ft2.97 mThu, Nov 19L 1:30AM 2.5 ft0.76 mH 8:06AM 11.5 ft3.51 mL 2:41PM 3.0 ft0.92 mH 8:22PM 10.0 ft3.03 mFri, Nov 20L 2:22AM 2.7 ft0.82 mH 8:44AM 12.2 ft3.73 mL 3:29PM 1.7 ft0.52 mH 9:27PM 10.4 ft3.18 mSat, Nov 21L 3:10AM 2.9 ft0.89 mH 9:21AM 13.0 ft3.97 mL 4:13PM 0.4 ft0.13 mH 10:23PM 11.0 ft3.36 mSun, Nov 22L 3:55AM 3.1 ft0.95 mH 9:58AM 13.8 ft4.21 mL 4:55PM -0.7 ft-0.22 mH 11:14PM 11.6 ft3.53 mMon, Nov 23L 4:40AM 3.3 ft1.01 mH 10:38AM 14.5 ft4.41 mL 5:38PM -1.6 ft-0.50 mTue, Nov 24H 12:02AM 12.0 ft3.66 mL 5:25AM 3.5 ft1.06 mH 11:20AM 14.9 ft4.55 mL 6:23PM -2.2 ft-0.68 m