tidealmanac
Wed, Sep 16

Thursday, September 17, 2026

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

Fri, Sep 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. High5:28 AM8.1 ft2.46 m
  2. Low10:26 AM4.3 ft1.32 m
  3. High4:40 PM9.8 ft3.00 m
  4. Low11:49 PM1.8 ft0.53 m

Range 8.1 ft2.46 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:51 AM
Sunrise
6:27 AM
Solar noon
12:46 PM
Sunset
7:05 PM
Civil dusk
7:41 PM
Daylight
12h 38m

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

Moon

First quarter34% illuminated · day 5 of the cycle

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

This week

Mon, Sep 14H 3:05AM 10.3 ft3.13 mL 8:49AM 1.5 ft0.46 mH 3:00PM 11.4 ft3.48 mL 9:28PM -0.1 ft-0.03 mTue, 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 m