tidealmanac
Tue, Oct 20

Wednesday, October 21, 2026

Security Cove, AK · NOAA 9450055 · MLLW · Local time (America/Sitka)

Thu, Oct 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. Low3:33 AM1.9 ft0.57 m
  2. High10:16 AM9.3 ft2.84 m
  3. Low4:11 PM3.4 ft1.05 m
  4. High10:02 PM9.0 ft2.74 m

Range 7.4 ft2.27 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:55 AM
Sunrise
7:32 AM
Solar noon
12:36 PM
Sunset
5:41 PM
Civil dusk
6:17 PM
Daylight
10h 9m

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

Moon

Waxing gibbous79% illuminated · day 10 of the cycle

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

This week

Sun, Oct 18L 12:12AM 2.0 ft0.62 mH 7:35AM 7.9 ft2.42 mL 12:12PM 5.7 ft1.73 mH 5:59PM 8.7 ft2.65 mMon, Oct 19L 1:29AM 2.2 ft0.68 mH 8:50AM 8.2 ft2.50 mL 2:04PM 5.4 ft1.64 mH 7:34PM 8.4 ft2.56 mTue, Oct 20L 2:40AM 2.1 ft0.65 mH 9:40AM 8.7 ft2.65 mL 3:21PM 4.5 ft1.38 mH 8:57PM 8.6 ft2.61 mWed, Oct 21L 3:33AM 1.9 ft0.57 mH 10:16AM 9.3 ft2.84 mL 4:11PM 3.4 ft1.05 mH 10:02PM 9.0 ft2.74 mThu, Oct 22L 4:15AM 1.7 ft0.51 mH 10:46AM 10.1 ft3.07 mL 4:52PM 2.2 ft0.68 mH 10:54PM 9.5 ft2.90 mFri, Oct 23L 4:53AM 1.6 ft0.48 mH 11:14AM 10.8 ft3.30 mL 5:29PM 1.0 ft0.31 mH 11:41PM 10.0 ft3.05 mSat, Oct 24L 5:29AM 1.7 ft0.50 mH 11:44AM 11.6 ft3.54 mL 6:07PM -0.1 ft-0.04 m