tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

Port Houghton, Robert Islands, AK · NOAA TWC1673 · MLLW · Local time (America/Juneau)

Mon, Oct 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. Low12:14 AM3.7 ft1.13 m
  2. High7:29 AM10.2 ft3.11 m
  3. Low12:53 PM7.9 ft2.40 m
  4. High6:32 PM11.6 ft3.54 m

Range 7.9 ft2.41 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:54 AM
Sunrise
7:33 AM
Solar noon
12:39 PM
Sunset
5:45 PM
Civil dusk
6:24 PM
Daylight
10h 11m

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

Moon

First quarter49% illuminated · day 7 of the cycle

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

This week

Thu, Oct 15H 4:13AM 12.8 ft3.91 mL 9:54AM 5.2 ft1.57 mH 3:45PM 14.9 ft4.55 mL 10:27PM 1.4 ft0.43 mFri, Oct 16H 4:57AM 11.7 ft3.56 mL 10:33AM 6.3 ft1.93 mH 4:25PM 13.7 ft4.19 mL 11:12PM 2.7 ft0.81 mSat, Oct 17H 5:57AM 10.7 ft3.25 mL 11:25AM 7.3 ft2.24 mH 5:17PM 12.5 ft3.82 mSun, Oct 18L 12:14AM 3.7 ft1.13 mH 7:29AM 10.2 ft3.11 mL 12:53PM 7.9 ft2.40 mH 6:32PM 11.6 ft3.54 mMon, Oct 19L 1:36AM 4.2 ft1.27 mH 9:00AM 10.7 ft3.25 mL 2:35PM 7.4 ft2.26 mH 8:05PM 11.4 ft3.46 mTue, Oct 20L 2:58AM 3.9 ft1.18 mH 9:56AM 11.7 ft3.55 mL 3:46PM 6.1 ft1.86 mH 9:23PM 11.9 ft3.63 mWed, Oct 21L 3:57AM 3.1 ft0.96 mH 10:35AM 12.9 ft3.92 mL 4:36PM 4.4 ft1.33 mH 10:23PM 12.8 ft3.91 m