tidealmanac
Mon, Dec 14

Tuesday, December 15, 2026

Upper Guadalupe Slough, CA · NOAA 9414549 · MLLW · Local time (America/Los_Angeles)

Wed, Dec 16

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. High5:33 AM7.9 ft2.42 m
  2. Low11:52 AM3.4 ft1.04 m
  3. High4:04 PM7.4 ft2.25 m
  4. Low11:42 PM0.6 ft0.18 m

Range 7.3 ft2.24 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:46 AM
Sunrise
7:15 AM
Solar noon
12:03 PM
Sunset
4:51 PM
Civil dusk
5:20 PM
Daylight
9h 36m

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

Moon

First quarter38% illuminated · day 6 of the cycle

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

This week

Sat, Dec 12H 3:46AM 7.6 ft2.33 mL 9:00AM 3.9 ft1.18 mH 1:42PM 9.3 ft2.83 mL 9:44PM -0.4 ft-0.13 mSun, Dec 13H 4:21AM 7.6 ft2.32 mL 9:47AM 3.8 ft1.16 mH 2:23PM 8.8 ft2.67 mL 10:21PM -0.2 ft-0.05 mMon, Dec 14H 4:57AM 7.7 ft2.35 mL 10:44AM 3.7 ft1.12 mH 3:09PM 8.1 ft2.47 mL 11:00PM 0.2 ft0.05 mTue, Dec 15H 5:33AM 7.9 ft2.42 mL 11:52AM 3.4 ft1.04 mH 4:04PM 7.4 ft2.25 mL 11:42PM 0.6 ft0.18 mWed, Dec 16H 6:09AM 8.3 ft2.53 mL 1:04PM 2.9 ft0.90 mH 5:14PM 6.7 ft2.03 mThu, Dec 17L 12:27AM 1.1 ft0.35 mH 6:45AM 8.8 ft2.67 mL 2:10PM 2.3 ft0.69 mH 6:43PM 6.2 ft1.88 mFri, Dec 18L 1:17AM 1.7 ft0.53 mH 7:21AM 9.3 ft2.84 mL 3:06PM 1.4 ft0.44 mH 8:18PM 6.1 ft1.87 m