tidealmanac
Wed, Oct 21

Thursday, October 22, 2026

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

Fri, Oct 23

Predicted tide height, every 6 minutes

HighLowNightTwilight
4.9 ft1.5 m2.5 ft0.8 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:22 AMSunset 6:21 PM1:17 AM · 2.9 ft1:17 AM · 0.90 m7:56 AM · 0.5 ft7:56 AM · 0.16 m1:56 PM · 3.5 ft1:56 PM · 1.05 m8:27 PM · 0.9 ft8:27 PM · 0.27 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. High1:17 AM2.9 ft0.90 m
  2. Low7:56 AM0.5 ft0.16 m
  3. High1:56 PM3.5 ft1.05 m
  4. Low8:27 PM0.9 ft0.27 m

Range 2.9 ft0.89 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:55 AM
Sunrise
7:22 AM
Solar noon
12:51 PM
Sunset
6:21 PM
Civil dusk
6:47 PM
Daylight
10h 59m

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

Moon

Waxing gibbous87% illuminated · day 11 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Mon, 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 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 m