tidealmanac
Sun, Oct 18

Monday, October 19, 2026

Massacre Bay, AK · NOAA 9460150 · MLLW · Local time (America/Adak)

Tue, Oct 20

Predicted tide height, every 6 minutes

HighLowNightTwilight
4.9 ft1.5 m1.6 ft0.5 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 10:00 AMSunset 8:25 PM6:37 AM · 0.1 ft6:37 AM · 0.02 m3:17 PM · 2.8 ft3:17 PM · 0.86 m7:45 PM · 2.6 ft7:45 PM · 0.78 m10:40 PM · 2.6 ft10:40 PM · 0.81 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. Low6:37 AM0.1 ft0.02 m
  2. High3:17 PM2.8 ft0.86 m
  3. Low7:45 PM2.6 ft0.78 m
  4. High10:40 PM2.6 ft0.81 m

Range 2.8 ft0.85 m · 4 predicted tides · MLLW

Sun

Civil dawn
9:25 AM
Sunrise
10:00 AM
Solar noon
3:12 PM
Sunset
8:25 PM
Civil dusk
9:00 PM
Daylight
10h 25m

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

Moon

First quarter59% illuminated · day 8 of the cycle

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

This week

Fri, Oct 16L 4:29AM -0.5 ft-0.16 mH 1:13PM 3.1 ft0.95 mL 5:09PM 2.9 ft0.87 mH 8:21PM 3.0 ft0.91 mSat, Oct 17L 5:11AM -0.4 ft-0.11 mH 2:03PM 3.0 ft0.92 mL 5:45PM 2.8 ft0.86 mH 8:57PM 2.9 ft0.90 mSun, Oct 18L 5:54AM -0.2 ft-0.06 mH 2:46PM 2.9 ft0.89 mL 6:36PM 2.7 ft0.83 mH 9:41PM 2.8 ft0.86 mMon, Oct 19L 6:37AM 0.1 ft0.02 mH 3:17PM 2.8 ft0.86 mL 7:45PM 2.6 ft0.78 mH 10:40PM 2.6 ft0.81 mTue, Oct 20L 7:21AM 0.4 ft0.11 mH 3:36PM 2.8 ft0.84 mL 8:57PM 2.3 ft0.69 mWed, Oct 21H 12:11AM 2.4 ft0.73 mL 8:05AM 0.7 ft0.22 mH 3:47PM 2.7 ft0.83 mL 9:52PM 1.9 ft0.57 mThu, Oct 22H 2:15AM 2.2 ft0.67 mL 8:51AM 1.1 ft0.34 mH 3:54PM 2.7 ft0.83 mL 10:35PM 1.4 ft0.42 m