tidealmanac
Thu, Oct 22

Friday, October 23, 2026

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

Sat, Oct 24

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. Low5:05 AM1.6 ft0.48 m
  2. High11:15 AM12.4 ft3.79 m
  3. Low5:41 PM1.0 ft0.31 m
  4. High11:42 PM11.6 ft3.54 m

Range 11.4 ft3.49 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:05 AM
Sunrise
7:43 AM
Solar noon
12:40 PM
Sunset
5:36 PM
Civil dusk
6:14 PM
Daylight
9h 52m

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

Moon

Waxing gibbous93% illuminated · day 12 of the cycle

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

This week

Tue, Oct 20L 2:52AM 2.1 ft0.65 mH 9:41AM 10.3 ft3.14 mL 3:33PM 4.5 ft1.38 mH 8:58PM 10.2 ft3.10 mWed, Oct 21L 3:45AM 1.9 ft0.57 mH 10:17AM 10.9 ft3.33 mL 4:23PM 3.4 ft1.05 mH 10:03PM 10.6 ft3.23 mThu, Oct 22L 4:27AM 1.7 ft0.51 mH 10:47AM 11.7 ft3.56 mL 5:04PM 2.2 ft0.68 mH 10:55PM 11.1 ft3.39 mFri, Oct 23L 5:05AM 1.6 ft0.48 mH 11:15AM 12.4 ft3.79 mL 5:41PM 1.0 ft0.31 mH 11:42PM 11.6 ft3.54 mSat, Oct 24L 5:41AM 1.7 ft0.50 mH 11:45AM 13.2 ft4.03 mL 6:19PM -0.1 ft-0.04 mSun, Oct 25H 12:26AM 12.0 ft3.67 mL 6:16AM 1.9 ft0.57 mH 12:16PM 13.9 ft4.23 mL 6:57PM -1.1 ft-0.32 mMon, Oct 26H 1:10AM 12.3 ft3.75 mL 6:53AM 2.2 ft0.68 mH 12:49PM 14.4 ft4.39 mL 7:37PM -1.7 ft-0.51 m