tidealmanac
Sat, Sep 19

Sunday, September 20, 2026

Holtz Bay, AK · NOAA TWC2317 · MLLW · Local time (America/Adak)

Mon, Sep 21

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. Low7:58 AM-0.2 ft-0.07 m
  2. High10:31 PM3.2 ft0.98 m

Range 3.5 ft1.06 m · 2 predicted tides · MLLW

Sun

Civil dawn
8:35 AM
Sunrise
9:09 AM
Solar noon
3:21 PM
Sunset
9:33 PM
Civil dusk
10:07 PM
Daylight
12h 23m

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

Moon

First quarter65% illuminated · day 8 of the cycle

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

This week

Thu, Sep 17L 5:30AM -0.5 ft-0.16 mH 12:17PM 3.0 ft0.91 mL 5:13PM 2.7 ft0.82 mH 8:38PM 3.3 ft1.01 mFri, Sep 18L 6:17AM -0.5 ft-0.14 mH 1:30PM 2.9 ft0.88 mL 5:34PM 2.8 ft0.85 mH 9:10PM 3.3 ft1.01 mSat, Sep 19L 7:06AM -0.4 ft-0.11 mH 3:02PM 2.8 ft0.86 mL 5:43PM 2.8 ft0.86 mH 9:47PM 3.3 ft1.01 mSun, Sep 20L 7:58AM -0.2 ft-0.07 mH 10:31PM 3.2 ft0.98 mMon, Sep 21L 8:52AM -0.1 ft-0.03 mH 5:17PM 2.8 ft0.84 mL 7:34PM 2.8 ft0.84 mH 11:27PM 3.1 ft0.94 mTue, Sep 22L 9:45AM 0.1 ft0.03 mH 5:10PM 2.7 ft0.82 mL 9:41PM 2.6 ft0.79 mWed, Sep 23H 12:45AM 2.9 ft0.87 mL 10:35AM 0.3 ft0.10 mH 5:11PM 2.6 ft0.81 mL 11:05PM 2.3 ft0.69 m