tidealmanac
Tue, Oct 6

Wednesday, October 7, 2026

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

Thu, Oct 8

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. Low4:52 AM0.3 ft0.11 m
  2. High11:14 AM12.1 ft3.69 m
  3. Low5:22 PM1.8 ft0.56 m
  4. High11:15 PM12.1 ft3.69 m

Range 11.8 ft3.59 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:32 AM
Sunrise
7:10 AM
Solar noon
12:43 PM
Sunset
6:16 PM
Civil dusk
6:54 PM
Daylight
11h 6m

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

Moon

Waning crescent15% illuminated · day 25 of the cycle

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

This week

Sun, Oct 4L 1:33AM 0.8 ft0.24 mH 8:30AM 10.0 ft3.06 mL 1:44PM 5.0 ft1.54 mH 7:31PM 11.4 ft3.48 mMon, Oct 5L 2:54AM 0.8 ft0.23 mH 9:42AM 10.6 ft3.24 mL 3:22PM 4.3 ft1.30 mH 9:02PM 11.5 ft3.49 mTue, Oct 6L 4:00AM 0.5 ft0.16 mH 10:33AM 11.4 ft3.47 mL 4:30PM 3.1 ft0.94 mH 10:16PM 11.8 ft3.59 mWed, Oct 7L 4:52AM 0.3 ft0.11 mH 11:14AM 12.1 ft3.69 mL 5:22PM 1.8 ft0.56 mH 11:15PM 12.1 ft3.69 mThu, Oct 8L 5:35AM 0.4 ft0.11 mH 11:48AM 12.8 ft3.89 mL 6:06PM 0.7 ft0.22 mFri, Oct 9H 12:05AM 12.3 ft3.76 mL 6:14AM 0.6 ft0.18 mH 12:21PM 13.3 ft4.04 mL 6:46PM -0.1 ft-0.04 mSat, Oct 10H 12:50AM 12.4 ft3.78 mL 6:49AM 1.0 ft0.32 mH 12:51PM 13.6 ft4.13 mL 7:24PM -0.7 ft-0.20 m