tidealmanac
Mon, Sep 20

Tuesday, September 21, 2027

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

Wed, 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. High4:35 AM8.7 ft2.66 m
  2. Low9:46 AM3.7 ft1.11 m
  3. High4:02 PM11.0 ft3.35 m
  4. Low11:01 PM0.6 ft0.19 m

Range 10.4 ft3.16 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:58 AM
Sunrise
6:34 AM
Solar noon
12:45 PM
Sunset
6:56 PM
Civil dusk
7:32 PM
Daylight
12h 21m

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

Moon

Last quarter68% illuminated · day 20 of the cycle

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

This week

Sat, Sep 18H 2:25AM 10.2 ft3.12 mL 8:12AM 1.5 ft0.46 mH 2:22PM 11.3 ft3.46 mL 8:46PM 0.0 ft-0.01 mSun, Sep 19H 3:03AM 9.9 ft3.01 mL 8:40AM 2.2 ft0.67 mH 2:51PM 11.4 ft3.47 mL 9:24PM 0.0 ft0.00 mMon, Sep 20H 3:45AM 9.3 ft2.85 mL 9:11AM 2.9 ft0.89 mH 3:23PM 11.3 ft3.43 mL 10:08PM 0.2 ft0.07 mTue, Sep 21H 4:35AM 8.7 ft2.66 mL 9:46AM 3.7 ft1.11 mH 4:02PM 11.0 ft3.35 mL 11:01PM 0.6 ft0.19 mWed, Sep 22H 5:39AM 8.1 ft2.47 mL 10:31AM 4.4 ft1.33 mH 4:53PM 10.5 ft3.21 mThu, Sep 23L 12:10AM 1.0 ft0.29 mH 7:05AM 7.8 ft2.37 mL 11:40AM 4.9 ft1.51 mH 6:05PM 10.1 ft3.07 mFri, Sep 24L 1:34AM 1.0 ft0.31 mH 8:40AM 8.0 ft2.44 mL 1:29PM 5.0 ft1.53 mH 7:37PM 9.9 ft3.01 m