tidealmanac
Sat, Feb 20

Sunday, February 21, 2027

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

Mon, Feb 22

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. High12:41 AM13.2 ft4.03 m
  2. Low6:39 AM1.0 ft0.30 m
  3. High12:33 PM14.0 ft4.27 m
  4. Low7:02 PM-1.6 ft-0.48 m

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

Sun

Civil dawn
6:30 AM
Sunrise
7:09 AM
Solar noon
12:09 PM
Sunset
5:09 PM
Civil dusk
5:48 PM
Daylight
10h 0m

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

Moon

Full moon100% illuminated · day 15 of the cycle

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

This week

Thu, Feb 18L 4:02AM 4.1 ft1.25 mH 9:54AM 13.4 ft4.09 mL 4:59PM -1.3 ft-0.40 mH 11:27PM 11.8 ft3.59 mFri, Feb 19L 5:01AM 3.0 ft0.92 mH 10:52AM 13.9 ft4.24 mL 5:43PM -1.8 ft-0.55 mSat, Feb 20H 12:05AM 12.6 ft3.83 mL 5:52AM 1.9 ft0.58 mH 11:44AM 14.1 ft4.30 mL 6:24PM -1.9 ft-0.57 mSun, Feb 21H 12:41AM 13.2 ft4.03 mL 6:39AM 1.0 ft0.30 mH 12:33PM 14.0 ft4.27 mL 7:02PM -1.6 ft-0.48 mMon, Feb 22H 1:16AM 13.7 ft4.17 mL 7:24AM 0.3 ft0.10 mH 1:19PM 13.5 ft4.13 mL 7:39PM -0.9 ft-0.28 mTue, Feb 23H 1:50AM 13.9 ft4.23 mL 8:08AM 0.0 ft0.00 mH 2:05PM 12.8 ft3.91 mL 8:14PM 0.1 ft0.02 mWed, Feb 24H 2:24AM 13.8 ft4.20 mL 8:52AM 0.0 ft0.01 mH 2:51PM 11.9 ft3.63 mL 8:48PM 1.2 ft0.37 m