tidealmanac
Wed, Oct 28

Thursday, October 29, 2026

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

Fri, Oct 30

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. High3:32 AM11.8 ft3.60 m
  2. Low8:55 AM3.7 ft1.13 m
  3. High2:48 PM14.2 ft4.34 m
  4. Low9:55 PM-1.4 ft-0.41 m

Range 15.6 ft4.75 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:17 AM
Sunrise
7:56 AM
Solar noon
12:39 PM
Sunset
5:22 PM
Civil dusk
6:01 PM
Daylight
9h 25m

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

Moon

Waning gibbous87% illuminated · day 18 of the cycle

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

This week

Mon, 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 mTue, Oct 27H 1:55AM 12.4 ft3.77 mL 7:31AM 2.7 ft0.81 mH 1:25PM 14.7 ft4.47 mL 8:20PM -1.9 ft-0.59 mWed, Oct 28H 2:42AM 12.2 ft3.72 mL 8:11AM 3.2 ft0.96 mH 2:04PM 14.6 ft4.46 mL 9:06PM -1.8 ft-0.55 mThu, Oct 29H 3:32AM 11.8 ft3.60 mL 8:55AM 3.7 ft1.13 mH 2:48PM 14.2 ft4.34 mL 9:55PM -1.4 ft-0.41 mFri, Oct 30H 4:28AM 11.4 ft3.46 mL 9:45AM 4.2 ft1.29 mH 3:37PM 13.5 ft4.12 mL 10:51PM -0.7 ft-0.20 mSat, Oct 31H 5:33AM 11.0 ft3.34 mL 10:47AM 4.7 ft1.43 mH 4:37PM 12.6 ft3.84 mL 11:55PM 0.1 ft0.03 mSun, Nov 1H 5:47AM 10.8 ft3.29 mL 11:10AM 4.9 ft1.49 mH 4:53PM 11.7 ft3.55 m