tidealmanac
Wed, Sep 16

Thursday, September 17, 2026

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

Fri, Sep 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. High5:48 AM5.0 ft1.51 m
  2. Low10:09 AM3.7 ft1.11 m
  3. High4:36 PM6.6 ft2.02 m
  4. Low11:49 PM1.0 ft0.29 m

Range 5.7 ft1.73 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:31 AM
Sunrise
6:59 AM
Solar noon
1:11 PM
Sunset
7:24 PM
Civil dusk
7:51 PM
Daylight
12h 25m

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

Moon

First quarter34% illuminated · day 5 of the cycle

Near quarter moon: neap tides, a smaller range than average. Approximate phase, computed here.

This week

Mon, Sep 14H 2:56AM 6.3 ft1.91 mL 8:19AM 1.8 ft0.56 mH 2:47PM 7.4 ft2.26 mL 9:10PM 0.3 ft0.09 mTue, Sep 15H 3:47AM 5.8 ft1.76 mL 8:53AM 2.5 ft0.77 mH 3:19PM 7.2 ft2.21 mL 9:57PM 0.5 ft0.14 mWed, Sep 16H 4:43AM 5.3 ft1.63 mL 9:28AM 3.1 ft0.96 mH 3:54PM 7.0 ft2.12 mL 10:49PM 0.7 ft0.22 mThu, Sep 17H 5:48AM 5.0 ft1.51 mL 10:09AM 3.7 ft1.11 mH 4:36PM 6.6 ft2.02 mL 11:49PM 1.0 ft0.29 mFri, Sep 18H 7:08AM 4.8 ft1.45 mL 11:04AM 4.0 ft1.23 mH 5:32PM 6.3 ft1.93 mSat, Sep 19L 12:57AM 1.1 ft0.33 mH 8:40AM 4.8 ft1.46 mL 12:28PM 4.2 ft1.27 mH 6:42PM 6.2 ft1.88 mSun, Sep 20L 2:05AM 1.0 ft0.31 mH 9:47AM 5.0 ft1.53 mL 1:56PM 4.0 ft1.23 mH 7:55PM 6.1 ft1.87 m