tidealmanac
Mon, Dec 21

Tuesday, December 22, 2026

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

Wed, Dec 23

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. Low4:01 AM4.3 ft1.32 m
  2. High10:10 AM12.9 ft3.95 m
  3. Low5:13 PM-1.8 ft-0.54 m
  4. High11:57 PM10.1 ft3.08 m

Range 14.7 ft4.49 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:28 AM
Sunrise
8:13 AM
Solar noon
11:50 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

Full moon97% illuminated · day 13 of the cycle

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

This week

Sat, 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 mFri, Dec 25H 1:29AM 10.8 ft3.30 mL 6:42AM 3.6 ft1.09 mH 12:43PM 13.5 ft4.10 mL 7:34PM -2.5 ft-0.78 m