tidealmanac
Sat, Sep 19

Sunday, September 20, 2026

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

Mon, Sep 21

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. Low2:35 AM2.2 ft0.67 m
  2. High9:55 AM7.7 ft2.35 m
  3. Low2:38 PM5.4 ft1.66 m
  4. High8:24 PM8.7 ft2.66 m

Range 6.5 ft1.99 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:57 AM
Sunrise
6:33 AM
Solar noon
12:45 PM
Sunset
6:57 PM
Civil dusk
7:34 PM
Daylight
12h 25m

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

Moon

First quarter65% illuminated · day 8 of the cycle

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

This week

Thu, Sep 17H 5:28AM 8.1 ft2.46 mL 10:26AM 4.3 ft1.32 mH 4:40PM 9.8 ft3.00 mL 11:49PM 1.8 ft0.53 mFri, 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 m