tidealmanac
Thu, Dec 17

Friday, December 18, 2026

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

Sat, Dec 19

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

Tides

  1. High2:18 AM4.4 ft1.34 m
  2. Low8:33 AM0.8 ft0.26 m
  3. High2:36 PM4.0 ft1.21 m
  4. Low8:45 PM0.3 ft0.08 m

Range 4.2 ft1.27 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:48 AM
Sunrise
7:15 AM
Solar noon
12:21 PM
Sunset
5:28 PM
Civil dusk
5:55 PM
Daylight
10h 14m

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

Moon

First quarter69% illuminated · day 9 of the cycle

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

This week

Tue, Dec 15L 5:43AM 1.0 ft0.30 mH 11:59AM 4.4 ft1.34 mL 6:29PM 0.7 ft0.21 mWed, Dec 16H 12:30AM 4.0 ft1.22 mL 6:39AM 1.0 ft0.31 mH 12:45PM 4.2 ft1.28 mL 7:13PM 0.6 ft0.18 mThu, Dec 17H 1:22AM 4.2 ft1.27 mL 7:36AM 1.0 ft0.29 mH 1:37PM 4.1 ft1.24 mL 7:58PM 0.4 ft0.13 mFri, Dec 18H 2:18AM 4.4 ft1.34 mL 8:33AM 0.8 ft0.26 mH 2:36PM 4.0 ft1.21 mL 8:45PM 0.3 ft0.08 mSat, Dec 19H 3:16AM 4.7 ft1.45 mL 9:31AM 0.7 ft0.20 mH 3:37PM 4.0 ft1.21 mL 9:36PM 0.0 ft0.01 mSun, Dec 20H 4:12AM 5.1 ft1.57 mL 10:30AM 0.4 ft0.13 mH 4:36PM 4.1 ft1.24 mL 10:29PM -0.2 ft-0.07 mMon, Dec 21H 5:08AM 5.5 ft1.69 mL 11:28AM 0.2 ft0.05 mH 5:31PM 4.2 ft1.29 mL 11:24PM -0.5 ft-0.15 m