tidealmanac
Mon, Oct 19

Tuesday, October 20, 2026

Castle Bay, Northwest Arm, AK · NOAA 9458907 · MLLW · Local time (America/Anchorage)

Wed, Oct 21

Predicted tide height, every 6 minutes

HighLowNightTwilight
8.2 ft2.5 m4.1 ft1.3 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 9:15 AMSunset 7:22 PM4:47 AM · 1.8 ft4:47 AM · 0.55 m11:37 AM · 6.7 ft11:37 AM · 2.03 m5:23 PM · 4.3 ft5:23 PM · 1.32 m10:52 PM · 6.8 ft10:52 PM · 2.08 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. Low4:47 AM1.8 ft0.55 m
  2. High11:37 AM6.7 ft2.03 m
  3. Low5:23 PM4.3 ft1.32 m
  4. High10:52 PM6.8 ft2.08 m

Range 5.0 ft1.53 m · 4 predicted tides · MLLW

Sun

Civil dawn
8:37 AM
Sunrise
9:15 AM
Solar noon
2:18 PM
Sunset
7:22 PM
Civil dusk
8:00 PM
Daylight
10h 7m

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

Moon

Waxing gibbous70% illuminated · day 9 of the cycle

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

This week

Sat, Oct 17L 1:26AM 1.2 ft0.35 mH 8:15AM 5.9 ft1.78 mL 12:23PM 4.9 ft1.49 mH 6:49PM 7.5 ft2.29 mSun, Oct 18L 2:32AM 1.6 ft0.49 mH 9:37AM 5.8 ft1.77 mL 2:02PM 5.2 ft1.59 mH 8:00PM 7.0 ft2.12 mMon, Oct 19L 3:44AM 1.8 ft0.55 mH 10:47AM 6.1 ft1.87 mL 4:05PM 5.0 ft1.53 mH 9:33PM 6.7 ft2.05 mTue, Oct 20L 4:47AM 1.8 ft0.55 mH 11:37AM 6.7 ft2.03 mL 5:23PM 4.3 ft1.32 mH 10:52PM 6.8 ft2.08 mWed, Oct 21L 5:40AM 1.7 ft0.52 mH 12:14PM 7.3 ft2.22 mL 6:19PM 3.3 ft1.02 mH 11:58PM 7.1 ft2.18 mThu, Oct 22L 6:25AM 1.6 ft0.50 mH 12:46PM 8.0 ft2.44 mL 7:03PM 2.2 ft0.68 mFri, Oct 23H 12:54AM 7.6 ft2.31 mL 7:04AM 1.6 ft0.50 mH 1:16PM 8.7 ft2.66 mL 7:42PM 1.1 ft0.33 m