tidealmanac
Thu, Oct 15

Friday, October 16, 2026

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

Sat, Oct 17

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. High5:07 AM10.1 ft3.08 m
  2. Low10:10 AM4.9 ft1.51 m
  3. High3:57 PM11.6 ft3.53 m
  4. Low11:20 PM1.5 ft0.46 m

Range 10.1 ft3.06 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:50 AM
Sunrise
7:29 AM
Solar noon
12:41 PM
Sunset
5:53 PM
Civil dusk
6:31 PM
Daylight
10h 25m

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

Moon

Waxing crescent28% illuminated · day 5 of the cycle

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

This week

Tue, Oct 13H 2:52AM 11.7 ft3.58 mL 8:27AM 3.0 ft0.92 mH 2:18PM 13.2 ft4.03 mL 9:10PM -0.4 ft-0.12 mWed, Oct 14H 3:32AM 11.3 ft3.43 mL 8:59AM 3.7 ft1.14 mH 2:47PM 12.8 ft3.90 mL 9:48PM 0.2 ft0.05 mThu, Oct 15H 4:16AM 10.7 ft3.26 mL 9:32AM 4.4 ft1.33 mH 3:20PM 12.2 ft3.72 mL 10:29PM 0.8 ft0.26 mFri, Oct 16H 5:07AM 10.1 ft3.08 mL 10:10AM 4.9 ft1.51 mH 3:57PM 11.6 ft3.53 mL 11:20PM 1.5 ft0.46 mSat, Oct 17H 6:13AM 9.7 ft2.95 mL 11:00AM 5.4 ft1.65 mH 4:47PM 10.9 ft3.32 mSun, Oct 18L 12:24AM 2.0 ft0.62 mH 7:36AM 9.5 ft2.91 mL 12:24PM 5.7 ft1.73 mH 6:00PM 10.3 ft3.14 mMon, Oct 19L 1:41AM 2.2 ft0.68 mH 8:51AM 9.8 ft2.98 mL 2:16PM 5.4 ft1.64 mH 7:35PM 10.0 ft3.05 m