tidealmanac
Wed, Dec 16

Thursday, December 17, 2026

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

Fri, Dec 18

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. High6:06 AM10.0 ft3.05 m
  2. Low12:31 PM3.5 ft1.07 m
  3. High6:11 PM7.9 ft2.40 m
  4. Low11:59 PM2.9 ft0.89 m

Range 7.1 ft2.16 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:25 AM
Sunrise
8:10 AM
Solar noon
11:47 AM
Sunset
3:25 PM
Civil dusk
4:10 PM
Daylight
7h 15m

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

Moon

First quarter59% illuminated · day 8 of the cycle

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

This week

Mon, Dec 14H 4:01AM 9.5 ft2.90 mL 9:18AM 4.6 ft1.41 mH 2:58PM 9.8 ft2.98 mL 9:45PM 0.9 ft0.26 mTue, Dec 15H 4:41AM 9.5 ft2.91 mL 10:13AM 4.5 ft1.37 mH 3:48PM 9.1 ft2.76 mL 10:24PM 1.5 ft0.45 mWed, Dec 16H 5:23AM 9.7 ft2.96 mL 11:18AM 4.2 ft1.27 mH 4:52PM 8.4 ft2.55 mL 11:08PM 2.2 ft0.67 mThu, Dec 17H 6:06AM 10.0 ft3.05 mL 12:31PM 3.5 ft1.07 mH 6:11PM 7.9 ft2.40 mL 11:59PM 2.9 ft0.89 mFri, 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 m