tidealmanac
Wed, Dec 16

Thursday, December 17, 2026

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

Fri, Dec 18

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. High6:06 AM6.7 ft2.04 m
  2. Low12:17 PM2.7 ft0.82 m
  3. High5:57 PM4.9 ft1.50 m
  4. Low11:31 PM2.0 ft0.60 m

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

Sun

Civil dawn
7:04 AM
Sunrise
7:35 AM
Solar noon
12:13 PM
Sunset
4:50 PM
Civil dusk
5:21 PM
Daylight
9h 15m

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

Mon, Dec 14H 4:12AM 5.9 ft1.80 mL 8:54AM 3.9 ft1.19 mH 2:34PM 6.4 ft1.95 mL 9:27PM 0.4 ft0.12 mTue, Dec 15H 4:51AM 6.1 ft1.85 mL 9:57AM 3.7 ft1.13 mH 3:28PM 5.9 ft1.79 mL 10:05PM 0.8 ft0.26 mWed, Dec 16H 5:29AM 6.3 ft1.94 mL 11:06AM 3.3 ft1.01 mH 4:35PM 5.3 ft1.62 mL 10:45PM 1.4 ft0.42 mThu, Dec 17H 6:06AM 6.7 ft2.04 mL 12:17PM 2.7 ft0.82 mH 5:57PM 4.9 ft1.50 mL 11:31PM 2.0 ft0.60 mFri, Dec 18H 6:44AM 7.1 ft2.18 mL 1:21PM 1.9 ft0.57 mH 7:24PM 4.8 ft1.45 mSat, Dec 19L 12:22AM 2.6 ft0.78 mH 7:24AM 7.6 ft2.32 mL 2:18PM 0.9 ft0.28 mH 8:48PM 4.9 ft1.49 mSun, Dec 20L 1:18AM 3.1 ft0.93 mH 8:07AM 8.1 ft2.48 mL 3:10PM 0.0 ft-0.01 mH 10:01PM 5.2 ft1.59 m