tidealmanac
Sat, Sep 19

Sunday, September 20, 2026

Rio Vista, CA · NOAA 9415316 · MLLW · Local time (America/Los_Angeles)

Mon, Sep 21

No NOAA sampled curve is loaded for this day; the predicted highs and lows are listed below. Nothing is interpolated.

Tides

  1. Low6:52 AM0.3 ft0.10 m
  2. High12:58 PM3.0 ft0.93 m
  3. Low5:53 PM1.9 ft0.57 m
  4. High11:49 PM3.4 ft1.05 m

Range 3.1 ft0.96 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:26 AM
Sunrise
6:52 AM
Solar noon
1:00 PM
Sunset
7:08 PM
Civil dusk
7:35 PM
Daylight
12h 16m

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

Moon

First quarter65% illuminated · day 8 of the cycle

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

This week

Thu, Sep 17L 3:56AM 0.5 ft0.17 mH 9:51AM 2.7 ft0.81 mL 2:18PM 1.7 ft0.53 mH 8:07PM 3.8 ft1.16 mFri, Sep 18L 4:59AM 0.5 ft0.14 mH 11:02AM 2.7 ft0.83 mL 3:21PM 1.9 ft0.58 mH 9:06PM 3.6 ft1.11 mSat, Sep 19L 5:59AM 0.4 ft0.12 mH 12:05PM 2.9 ft0.87 mL 4:37PM 2.0 ft0.60 mH 10:27PM 3.5 ft1.07 mSun, Sep 20L 6:52AM 0.3 ft0.10 mH 12:58PM 3.0 ft0.93 mL 5:53PM 1.9 ft0.57 mH 11:49PM 3.4 ft1.05 mMon, Sep 21L 7:39AM 0.3 ft0.09 mH 1:42PM 3.2 ft0.97 mL 6:59PM 1.7 ft0.52 mTue, Sep 22H 12:52AM 3.5 ft1.05 mL 8:20AM 0.3 ft0.09 mH 2:19PM 3.3 ft1.01 mL 7:55PM 1.5 ft0.46 mWed, Sep 23H 1:43AM 3.5 ft1.06 mL 8:56AM 0.4 ft0.11 mH 2:49PM 3.4 ft1.03 mL 8:45PM 1.3 ft0.39 m