tidealmanac
Fri, Oct 23

Saturday, October 24, 2026

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

Sun, Oct 25

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 7:24 AMSunset 6:18 PM2:53 AM · 2.9 ft2:53 AM · 0.88 m9:01 AM · 0.8 ft9:01 AM · 0.25 m2:38 PM · 3.8 ft2:38 PM · 1.16 m10:04 PM · 0.4 ft10:04 PM · 0.11 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. High2:53 AM2.9 ft0.88 m
  2. Low9:01 AM0.8 ft0.25 m
  3. High2:38 PM3.8 ft1.16 m
  4. Low10:04 PM0.4 ft0.11 m

Range 3.4 ft1.04 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:57 AM
Sunrise
7:24 AM
Solar noon
12:51 PM
Sunset
6:18 PM
Civil dusk
6:45 PM
Daylight
10h 54m

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

Moon

Full moon98% illuminated · day 13 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Wed, 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 mThu, Oct 22H 1:17AM 2.9 ft0.90 mL 7:56AM 0.5 ft0.16 mH 1:56PM 3.5 ft1.05 mL 8:27PM 0.9 ft0.27 mFri, Oct 23H 2:07AM 2.9 ft0.90 mL 8:29AM 0.7 ft0.20 mH 2:18PM 3.6 ft1.10 mL 9:16PM 0.6 ft0.19 mSat, Oct 24H 2:53AM 2.9 ft0.88 mL 9:01AM 0.8 ft0.25 mH 2:38PM 3.8 ft1.16 mL 10:04PM 0.4 ft0.11 mSun, Oct 25H 3:39AM 2.8 ft0.86 mL 9:32AM 1.0 ft0.29 mH 3:02PM 4.0 ft1.23 mL 10:51PM 0.1 ft0.04 mMon, Oct 26H 4:29AM 2.7 ft0.82 mL 10:05AM 1.1 ft0.33 mH 3:33PM 4.3 ft1.30 mL 11:40PM 0.0 ft-0.01 mTue, Oct 27H 5:24AM 2.6 ft0.79 mL 10:42AM 1.2 ft0.37 mH 4:10PM 4.4 ft1.35 m