tidealmanac
Thu, Sep 17

Friday, September 18, 2026

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

Sat, Sep 19

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. High6:42 AM7.5 ft2.29 m
  2. Low11:11 AM5.1 ft1.54 m
  3. High5:31 PM9.2 ft2.81 m

Range 4.2 ft1.27 m · 3 predicted tides · MLLW

Sun

Civil dawn
5:53 AM
Sunrise
6:29 AM
Solar noon
12:46 PM
Sunset
7:03 PM
Civil dusk
7:39 PM
Daylight
12h 34m

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

Moon

First quarter44% illuminated · day 6 of the cycle

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

This week

Tue, Sep 15H 3:48AM 9.6 ft2.92 mL 9:20AM 2.5 ft0.76 mH 3:30PM 11.0 ft3.35 mL 10:08PM 0.4 ft0.13 mWed, Sep 16H 4:34AM 8.8 ft2.69 mL 9:51AM 3.5 ft1.06 mH 4:02PM 10.5 ft3.19 mL 10:53PM 1.1 ft0.33 mThu, 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 m