tidealmanac
Sun, Dec 20

Monday, December 21, 2026

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

Tue, Dec 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. Low3:03 AM4.3 ft1.31 m
  2. High9:19 AM12.3 ft3.76 m
  3. Low4:24 PM-0.9 ft-0.27 m
  4. High11:06 PM9.5 ft2.89 m

Range 13.2 ft4.03 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:28 AM
Sunrise
8:13 AM
Solar noon
11:49 AM
Sunset
3:26 PM
Civil dusk
4:11 PM
Daylight
7h 13m

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

Moon

Waxing gibbous93% illuminated · day 12 of the cycle

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

This week

Fri, Dec 18H 6:51AM 10.5 ft3.19 mL 1:40PM 2.6 ft0.78 mH 7:39PM 7.8 ft2.38 mSat, Dec 19L 12:59AM 3.6 ft1.10 mH 7:39AM 11.0 ft3.36 mL 2:40PM 1.4 ft0.43 mH 9:01PM 8.2 ft2.50 mSun, Dec 20L 2:02AM 4.1 ft1.24 mH 8:28AM 11.7 ft3.56 mL 3:34PM 0.2 ft0.06 mH 10:10PM 8.8 ft2.69 mMon, Dec 21L 3:03AM 4.3 ft1.31 mH 9:19AM 12.3 ft3.76 mL 4:24PM -0.9 ft-0.27 mH 11:06PM 9.5 ft2.89 mTue, Dec 22L 4:01AM 4.3 ft1.32 mH 10:10AM 12.9 ft3.95 mL 5:13PM -1.8 ft-0.54 mH 11:57PM 10.1 ft3.08 mWed, Dec 23L 4:56AM 4.1 ft1.26 mH 11:01AM 13.4 ft4.08 mL 6:01PM -2.4 ft-0.72 mThu, Dec 24H 12:44AM 10.5 ft3.21 mL 5:49AM 3.9 ft1.18 mH 11:52AM 13.6 ft4.14 mL 6:48PM -2.6 ft-0.81 m