tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

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

Mon, Oct 19

Predicted tide height, every 6 minutes

HighLowNightTwilight
4.9 ft1.5 m1.6 ft0.5 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:18 AMSunset 6:26 PM5:05 AM · 0.2 ft5:05 AM · 0.07 m11:28 AM · 2.9 ft11:28 AM · 0.89 m4:18 PM · 1.8 ft4:18 PM · 0.56 m9:22 PM · 3.1 ft9:22 PM · 0.94 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. Low5:05 AM0.2 ft0.07 m
  2. High11:28 AM2.9 ft0.89 m
  3. Low4:18 PM1.8 ft0.56 m
  4. High9:22 PM3.1 ft0.94 m

Range 2.9 ft0.88 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:51 AM
Sunrise
7:18 AM
Solar noon
12:52 PM
Sunset
6:26 PM
Civil dusk
6:53 PM
Daylight
11h 8m

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

Moon

First quarter49% illuminated · day 7 of the cycle

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

This week

Thu, Oct 15L 2:25AM 0.1 ft0.02 mH 8:32AM 2.6 ft0.80 mL 12:57PM 1.7 ft0.51 mH 6:24PM 3.8 ft1.16 mFri, Oct 16L 3:17AM 0.1 ft0.03 mH 9:34AM 2.7 ft0.82 mL 1:52PM 1.8 ft0.55 mH 7:07PM 3.6 ft1.10 mSat, Oct 17L 4:11AM 0.2 ft0.05 mH 10:34AM 2.8 ft0.85 mL 3:00PM 1.9 ft0.57 mH 8:03PM 3.3 ft1.02 mSun, Oct 18L 5:05AM 0.2 ft0.07 mH 11:28AM 2.9 ft0.89 mL 4:18PM 1.8 ft0.56 mH 9:22PM 3.1 ft0.94 mMon, Oct 19L 5:55AM 0.3 ft0.08 mH 12:16PM 3.1 ft0.94 mL 5:33PM 1.7 ft0.51 mH 11:04PM 3.0 ft0.90 mTue, Oct 20L 6:40AM 0.3 ft0.10 mH 12:56PM 3.2 ft0.98 mL 6:38PM 1.4 ft0.43 mWed, Oct 21H 12:20AM 2.9 ft0.89 mL 7:20AM 0.4 ft0.13 mH 1:29PM 3.3 ft1.02 mL 7:36PM 1.1 ft0.35 m