tidealmanac
Sun, Sep 20

Monday, September 21, 2026

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

Tue, Sep 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. Low3:44 AM1.8 ft0.54 m
  2. High10:43 AM8.2 ft2.51 m
  3. Low3:54 PM4.8 ft1.45 m
  4. High9:40 PM9.1 ft2.77 m

Range 7.3 ft2.22 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:58 AM
Sunrise
6:34 AM
Solar noon
12:45 PM
Sunset
6:55 PM
Civil dusk
7:31 PM
Daylight
12h 20m

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

Moon

Waxing gibbous75% illuminated · day 9 of the cycle

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

This week

Fri, Sep 18H 6:42AM 7.5 ft2.29 mL 11:11AM 5.1 ft1.54 mH 5:31PM 9.2 ft2.81 mSat, Sep 19L 1:06AM 2.2 ft0.67 mH 8:26AM 7.4 ft2.24 mL 12:35PM 5.6 ft1.69 mH 6:49PM 8.8 ft2.67 mSun, Sep 20L 2:35AM 2.2 ft0.67 mH 9:55AM 7.7 ft2.35 mL 2:38PM 5.4 ft1.66 mH 8:24PM 8.7 ft2.66 mMon, Sep 21L 3:44AM 1.8 ft0.54 mH 10:43AM 8.2 ft2.51 mL 3:54PM 4.8 ft1.45 mH 9:40PM 9.1 ft2.77 mTue, Sep 22L 4:32AM 1.2 ft0.38 mH 11:16AM 8.8 ft2.68 mL 4:43PM 3.9 ft1.18 mH 10:35PM 9.6 ft2.92 mWed, Sep 23L 5:10AM 0.8 ft0.23 mH 11:43AM 9.4 ft2.88 mL 5:22PM 2.9 ft0.88 mH 11:21PM 10.1 ft3.07 mThu, Sep 24L 5:43AM 0.4 ft0.13 mH 12:08PM 10.1 ft3.08 mL 5:57PM 1.9 ft0.57 m