tidealmanac
Wed, Aug 18

Thursday, August 19, 2027

St. Marks, St. Marks River, FL · NOAA 8728142 · MLLW · Local time (America/New_York)

Fri, Aug 20

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. High4:40 AM3.4 ft1.05 m
  2. Low11:03 AM0.8 ft0.23 m
  3. High4:39 PM3.6 ft1.11 m
  4. Low11:23 PM0.4 ft0.12 m

Range 3.2 ft0.99 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:41 AM
Sunrise
7:06 AM
Solar noon
1:41 PM
Sunset
8:15 PM
Civil dusk
8:40 PM
Daylight
13h 9m

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

Moon

Waning gibbous95% illuminated · day 17 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Mon, Aug 16H 3:31AM 3.0 ft0.93 mL 9:21AM 1.3 ft0.40 mH 3:03PM 3.6 ft1.10 mL 10:15PM 0.1 ft0.04 mTue, Aug 17H 3:56AM 3.2 ft0.98 mL 9:57AM 1.1 ft0.34 mH 3:35PM 3.7 ft1.12 mL 10:38PM 0.2 ft0.06 mWed, Aug 18H 4:18AM 3.3 ft1.02 mL 10:30AM 0.9 ft0.28 mH 4:06PM 3.7 ft1.12 mL 11:00PM 0.3 ft0.08 mThu, Aug 19H 4:40AM 3.4 ft1.05 mL 11:03AM 0.8 ft0.23 mH 4:39PM 3.6 ft1.11 mL 11:23PM 0.4 ft0.12 mFri, Aug 20H 5:01AM 3.5 ft1.07 mL 11:35AM 0.6 ft0.19 mH 5:15PM 3.5 ft1.08 mL 11:48PM 0.6 ft0.17 mSat, Aug 21H 5:22AM 3.5 ft1.08 mL 12:10PM 0.5 ft0.16 mH 5:54PM 3.4 ft1.03 mSun, Aug 22L 12:16AM 0.8 ft0.24 mH 5:46AM 3.6 ft1.09 mL 12:49PM 0.5 ft0.15 mH 6:41PM 3.2 ft0.97 m