tidealmanac
Mon, Oct 19

Tuesday, October 20, 2026

St. Augustine Beach, FL · NOAA 8720587 · MLLW · Local time (America/New_York)

Wed, Oct 21

Predicted tide height, every 6 minutes

HighLowNightTwilight
6.6 ft2.0 m3.3 ft1.0 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:30 AMSunset 6:50 PM3:58 AM · 4.2 ft3:58 AM · 1.27 m10:01 AM · 1.4 ft10:01 AM · 0.42 m4:24 PM · 4.8 ft4:24 PM · 1.46 m10:40 PM · 1.3 ft10:40 PM · 0.38 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. High3:58 AM4.2 ft1.27 m
  2. Low10:01 AM1.4 ft0.42 m
  3. High4:24 PM4.8 ft1.46 m
  4. Low10:40 PM1.3 ft0.38 m

Range 3.5 ft1.07 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:06 AM
Sunrise
7:30 AM
Solar noon
1:10 PM
Sunset
6:50 PM
Civil dusk
7:14 PM
Daylight
11h 20m

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

Moon

Waxing gibbous70% illuminated · day 9 of the cycle

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

This week

Sat, Oct 17H 1:06AM 4.0 ft1.23 mL 7:12AM 1.5 ft0.45 mH 1:33PM 4.8 ft1.48 mL 8:14PM 1.6 ft0.49 mSun, Oct 18H 2:00AM 4.0 ft1.20 mL 8:11AM 1.5 ft0.46 mH 2:29PM 4.7 ft1.44 mL 9:06PM 1.6 ft0.48 mMon, Oct 19H 2:59AM 4.0 ft1.22 mL 9:07AM 1.5 ft0.45 mH 3:28PM 4.7 ft1.44 mL 9:54PM 1.4 ft0.44 mTue, Oct 20H 3:58AM 4.2 ft1.27 mL 10:01AM 1.4 ft0.42 mH 4:24PM 4.8 ft1.46 mL 10:40PM 1.3 ft0.38 mWed, Oct 21H 4:52AM 4.5 ft1.36 mL 10:53AM 1.2 ft0.37 mH 5:14PM 4.9 ft1.49 mL 11:23PM 1.0 ft0.31 mThu, Oct 22H 5:39AM 4.9 ft1.48 mL 11:43AM 1.0 ft0.31 mH 6:01PM 5.0 ft1.53 mFri, Oct 23L 12:05AM 0.7 ft0.23 mH 6:23AM 5.3 ft1.61 mL 12:32PM 0.8 ft0.23 mH 6:45PM 5.2 ft1.57 m