tidealmanac
Sun, Dec 20

Monday, December 21, 2026

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

Tue, Dec 22

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. Low2:17 AM3.4 ft1.04 m
  2. High8:53 AM8.6 ft2.62 m
  3. Low4:00 PM-0.9 ft-0.26 m
  4. High11:03 PM5.6 ft1.71 m

Range 9.5 ft2.88 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:06 AM
Sunrise
7:37 AM
Solar noon
12:14 PM
Sunset
4:52 PM
Civil dusk
5:23 PM
Daylight
9h 14m

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

Moon

Waxing gibbous93% illuminated · day 12 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Fri, 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 mMon, Dec 21L 2:17AM 3.4 ft1.04 mH 8:53AM 8.6 ft2.62 mL 4:00PM -0.9 ft-0.26 mH 11:03PM 5.6 ft1.71 mTue, Dec 22L 3:14AM 3.6 ft1.09 mH 9:42AM 9.0 ft2.74 mL 4:48PM -1.5 ft-0.46 mH 11:57PM 5.9 ft1.81 mWed, Dec 23L 4:10AM 3.6 ft1.10 mH 10:32AM 9.3 ft2.82 mL 5:36PM -1.9 ft-0.59 mThu, Dec 24H 12:46AM 6.2 ft1.89 mL 5:05AM 3.5 ft1.07 mH 11:23AM 9.3 ft2.85 mL 6:23PM -2.1 ft-0.64 m