tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

Arcata Wharf, CA · NOAA 9418851 · MLLW · Local time (America/Los_Angeles)

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. Low12:44 AM0.9 ft0.28 m
  2. High8:09 AM4.9 ft1.49 m
  3. Low12:43 PM4.2 ft1.27 m
  4. High6:13 PM5.6 ft1.71 m

Range 4.7 ft1.43 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:03 AM
Sunrise
7:31 AM
Solar noon
1:02 PM
Sunset
6:33 PM
Civil dusk
7:00 PM
Daylight
11h 2m

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 4:53AM 5.2 ft1.58 mL 9:35AM 3.7 ft1.13 mH 3:25PM 6.6 ft2.02 mL 10:52PM 0.4 ft0.12 mFri, Oct 16H 5:52AM 5.0 ft1.51 mL 10:18AM 4.0 ft1.22 mH 4:07PM 6.3 ft1.91 mL 11:45PM 0.7 ft0.21 mSat, Oct 17H 7:00AM 4.8 ft1.48 mL 11:18AM 4.2 ft1.27 mH 5:02PM 5.9 ft1.80 mSun, Oct 18L 12:44AM 0.9 ft0.28 mH 8:09AM 4.9 ft1.49 mL 12:43PM 4.2 ft1.27 mH 6:13PM 5.6 ft1.71 mMon, Oct 19L 1:47AM 1.0 ft0.31 mH 9:05AM 5.1 ft1.55 mL 2:10PM 3.9 ft1.19 mH 7:31PM 5.5 ft1.66 mTue, Oct 20L 2:44AM 1.0 ft0.32 mH 9:45AM 5.4 ft1.64 mL 3:19PM 3.4 ft1.03 mH 8:43PM 5.4 ft1.66 mWed, Oct 21L 3:32AM 1.1 ft0.32 mH 10:17AM 5.8 ft1.75 mL 4:12PM 2.7 ft0.82 mH 9:47PM 5.6 ft1.69 m