tidealmanac
Sun, Oct 18

Monday, October 19, 2026

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

Tue, Oct 20

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. Low1:06 AM1.0 ft0.29 m
  2. High8:43 AM5.3 ft1.61 m
  3. Low1:29 PM3.9 ft1.19 m
  4. High7:09 PM5.7 ft1.73 m

Range 4.7 ft1.44 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:04 AM
Sunrise
7:32 AM
Solar noon
1:02 PM
Sunset
6:32 PM
Civil dusk
6:59 PM
Daylight
11h 0m

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 16H 5:30AM 5.2 ft1.57 mL 9:37AM 4.0 ft1.22 mH 3:45PM 6.6 ft2.00 mL 11:04PM 0.6 ft0.18 mSat, 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 m