tidealmanac
Thu, Sep 17

Friday, September 18, 2026

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

Sat, Sep 19

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

Tides

  1. High1:43 AM3.9 ft1.20 m
  2. Low7:55 AM1.3 ft0.38 m
  3. High2:17 PM4.8 ft1.45 m
  4. Low8:55 PM1.5 ft0.47 m

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

Sun

Civil dawn
6:47 AM
Sunrise
7:11 AM
Solar noon
1:19 PM
Sunset
7:28 PM
Civil dusk
7:52 PM
Daylight
12h 17m

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

Moon

First quarter44% illuminated · day 6 of the cycle

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

This week

Tue, Sep 15L 5:19AM 0.6 ft0.19 mH 11:47AM 5.4 ft1.64 mL 6:07PM 1.0 ft0.30 mWed, Sep 16H 12:06AM 4.4 ft1.35 mL 6:07AM 0.9 ft0.27 mH 12:33PM 5.1 ft1.56 mL 7:02PM 1.3 ft0.39 mThu, Sep 17H 12:52AM 4.2 ft1.27 mL 6:59AM 1.1 ft0.34 mH 1:22PM 4.9 ft1.50 mL 7:59PM 1.5 ft0.44 mFri, 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 m