tidealmanac
Wed, Sep 30

Thursday, October 1, 2026

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

Fri, Oct 2

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. High4:28 AM10.9 ft3.33 m
  2. Low9:51 AM3.6 ft1.09 m
  3. High3:52 PM13.3 ft4.05 m
  4. Low11:02 PM-0.2 ft-0.06 m

Range 13.5 ft4.11 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:20 AM
Sunrise
6:58 AM
Solar noon
12:45 PM
Sunset
6:32 PM
Civil dusk
7:10 PM
Daylight
11h 35m

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

Moon

Waning gibbous74% illuminated · day 19 of the cycle

Near quarter moon: neap tides, a smaller range than average. Approximate phase, computed here.

This week

Mon, Sep 28H 2:03AM 12.4 ft3.79 mL 7:59AM 1.3 ft0.39 mH 1:59PM 13.8 ft4.21 mL 8:37PM -1.0 ft-0.31 mTue, Sep 29H 2:47AM 12.1 ft3.69 mL 8:33AM 2.0 ft0.60 mH 2:32PM 13.9 ft4.24 mL 9:19PM -1.0 ft-0.32 mWed, Sep 30H 3:34AM 11.6 ft3.53 mL 9:10AM 2.8 ft0.84 mH 3:09PM 13.7 ft4.19 mL 10:07PM -0.7 ft-0.23 mThu, Oct 1H 4:28AM 10.9 ft3.33 mL 9:51AM 3.6 ft1.09 mH 3:52PM 13.3 ft4.05 mL 11:02PM -0.2 ft-0.06 mFri, Oct 2H 5:34AM 10.3 ft3.13 mL 10:41AM 4.4 ft1.33 mH 4:46PM 12.6 ft3.85 mSat, Oct 3L 12:10AM 0.4 ft0.12 mH 6:58AM 9.9 ft3.01 mL 11:55AM 5.0 ft1.52 mH 5:59PM 11.9 ft3.63 mSun, 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 m