tidealmanac
Mon, Oct 19

Tuesday, October 20, 2026

Eureka, CA · NOAA 9418801 · MLLW · Local time (America/Los_Angeles)

Wed, Oct 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. Low2:03 AM1.0 ft0.30 m
  2. High9:23 AM5.6 ft1.71 m
  3. Low2:38 PM3.4 ft1.03 m
  4. High8:21 PM5.7 ft1.73 m

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

Sun

Civil dawn
7:05 AM
Sunrise
7:33 AM
Solar noon
1:02 PM
Sunset
6:30 PM
Civil dusk
6:58 PM
Daylight
10h 57m

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 17H 6:38AM 5.0 ft1.53 mL 10:37AM 4.2 ft1.28 mH 4:40PM 6.2 ft1.88 mSun, Oct 18L 12:03AM 0.8 ft0.26 mH 7:47AM 5.1 ft1.55 mL 12:02PM 4.2 ft1.28 mH 5:51PM 5.8 ft1.78 mMon, Oct 19L 1:06AM 1.0 ft0.29 mH 8:43AM 5.3 ft1.61 mL 1:29PM 3.9 ft1.19 mH 7:09PM 5.7 ft1.73 mTue, Oct 20L 2:03AM 1.0 ft0.30 mH 9:23AM 5.6 ft1.71 mL 2:38PM 3.4 ft1.03 mH 8:21PM 5.7 ft1.73 mWed, Oct 21L 2:51AM 1.0 ft0.30 mH 9:55AM 6.0 ft1.83 mL 3:31PM 2.7 ft0.81 mH 9:25PM 5.8 ft1.76 mThu, Oct 22L 3:34AM 1.0 ft0.32 mH 10:24AM 6.5 ft1.97 mL 4:16PM 1.9 ft0.57 mH 10:23PM 5.9 ft1.81 mFri, Oct 23L 4:12AM 1.2 ft0.37 mH 10:52AM 7.0 ft2.12 mL 4:57PM 1.0 ft0.30 mH 11:17PM 6.1 ft1.86 m