tidealmanac
Wed, Oct 21

Thursday, October 22, 2026

Castle Islands, Duncan Canal, AK · NOAA 9451321 · MLLW · Local time (America/Sitka)

Fri, Oct 23

Predicted tide height, every 6 minutes

HighLowNightTwilight
16.4 ft5.0 m9.0 ft2.8 m1.6 ft0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:39 AMSunset 5:35 PM4:51 AM · 2.4 ft4:51 AM · 0.72 m11:15 AM · 14.5 ft11:15 AM · 4.42 m5:23 PM · 2.6 ft5:23 PM · 0.81 m11:31 PM · 14.1 ft11:31 PM · 4.31 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. Low4:51 AM2.4 ft0.72 m
  2. High11:15 AM14.5 ft4.42 m
  3. Low5:23 PM2.6 ft0.81 m
  4. High11:31 PM14.1 ft4.31 m

Range 12.1 ft3.70 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:00 AM
Sunrise
7:39 AM
Solar noon
12:37 PM
Sunset
5:35 PM
Civil dusk
6:14 PM
Daylight
9h 56m

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

Moon

Waxing gibbous87% illuminated · day 11 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Mon, Oct 19L 1:28AM 3.8 ft1.16 mH 8:54AM 11.1 ft3.37 mL 1:52PM 7.3 ft2.22 mH 8:39PM 11.5 ft3.50 mTue, Oct 20L 2:55AM 3.8 ft1.14 mH 9:53AM 12.0 ft3.65 mL 3:42PM 6.3 ft1.91 mH 9:48PM 12.1 ft3.69 mWed, Oct 21L 4:04AM 3.1 ft0.95 mH 10:37AM 13.2 ft4.02 mL 4:42PM 4.6 ft1.39 mH 10:43PM 13.1 ft3.99 mThu, Oct 22L 4:51AM 2.4 ft0.72 mH 11:15AM 14.5 ft4.42 mL 5:23PM 2.6 ft0.81 mH 11:31PM 14.1 ft4.31 mFri, Oct 23L 5:29AM 1.7 ft0.51 mH 11:51AM 15.8 ft4.81 mL 5:59PM 0.7 ft0.23 mSat, Oct 24H 12:15AM 15.1 ft4.61 mL 6:04AM 1.1 ft0.35 mH 12:26PM 17.0 ft5.17 mL 6:35PM -1.0 ft-0.30 mSun, Oct 25H 12:57AM 16.0 ft4.86 mL 6:39AM 0.9 ft0.27 mH 1:00PM 18.0 ft5.47 mL 7:11PM -2.4 ft-0.72 m