tidealmanac
Sun, Sep 20

Monday, September 21, 2026

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

Tue, Sep 22

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

Tides

  1. High4:41 AM4.0 ft1.22 m
  2. Low10:37 AM1.2 ft0.36 m
  3. High5:11 PM4.9 ft1.49 m
  4. Low11:26 PM1.3 ft0.40 m

Range 3.7 ft1.13 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:49 AM
Sunrise
7:13 AM
Solar noon
1:18 PM
Sunset
7:24 PM
Civil dusk
7:48 PM
Daylight
12h 11m

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

Moon

Waxing gibbous75% illuminated · day 9 of the cycle

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

This week

Fri, Sep 18H 1:43AM 3.9 ft1.20 mL 7:55AM 1.3 ft0.38 mH 2:17PM 4.8 ft1.45 mL 8:55PM 1.5 ft0.47 mSat, Sep 19H 2:41AM 3.8 ft1.17 mL 8:51AM 1.3 ft0.40 mH 3:18PM 4.7 ft1.43 mL 9:48PM 1.6 ft0.47 mSun, Sep 20H 3:43AM 3.9 ft1.18 mL 9:45AM 1.3 ft0.39 mH 4:17PM 4.7 ft1.45 mL 10:39PM 1.5 ft0.45 mMon, Sep 21H 4:41AM 4.0 ft1.22 mL 10:37AM 1.2 ft0.36 mH 5:11PM 4.9 ft1.49 mL 11:26PM 1.3 ft0.40 mTue, Sep 22H 5:32AM 4.3 ft1.30 mL 11:28AM 1.0 ft0.32 mH 5:58PM 5.1 ft1.54 mWed, Sep 23L 12:11AM 1.1 ft0.33 mH 6:17AM 4.6 ft1.39 mL 12:17PM 0.9 ft0.26 mH 6:41PM 5.2 ft1.60 mThu, Sep 24L 12:51AM 0.8 ft0.26 mH 6:59AM 4.9 ft1.50 mL 1:02PM 0.7 ft0.21 mH 7:21PM 5.4 ft1.64 m