tidealmanac
Sat, Oct 17

Sunday, October 18, 2026

Grassy Key, South side, Hawk Channel, FL · NOAA 8723933 · MLLW · Local time (America/New_York)

Mon, Oct 19

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. High2:09 AM2.4 ft0.74 m
  2. Low10:15 AM0.5 ft0.15 m
  3. High4:57 PM1.6 ft0.50 m
  4. Low8:55 PM0.9 ft0.28 m

Range 1.9 ft0.58 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:00 AM
Sunrise
7:23 AM
Solar noon
1:09 PM
Sunset
6:55 PM
Civil dusk
7:18 PM
Daylight
11h 32m

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

Moon

First quarter49% illuminated · day 7 of the cycle

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

This week

Thu, Oct 15L 7:05AM 0.3 ft0.09 mH 1:12PM 1.7 ft0.52 mL 5:56PM 0.8 ft0.23 mFri, Oct 16H 12:23AM 2.6 ft0.80 mL 8:00AM 0.4 ft0.12 mH 2:06PM 1.6 ft0.49 mL 6:23PM 0.8 ft0.25 mSat, Oct 17H 1:11AM 2.5 ft0.77 mL 9:06AM 0.5 ft0.14 mH 3:22PM 1.6 ft0.48 mL 7:04PM 0.9 ft0.26 mSun, Oct 18H 2:09AM 2.4 ft0.74 mL 10:15AM 0.5 ft0.15 mH 4:57PM 1.6 ft0.50 mL 8:55PM 0.9 ft0.28 mMon, Oct 19H 3:24AM 2.4 ft0.72 mL 11:17AM 0.5 ft0.16 mH 5:53PM 1.8 ft0.54 mL 10:41PM 0.9 ft0.27 mTue, Oct 20H 4:44AM 2.4 ft0.72 mL 12:07PM 0.6 ft0.17 mH 6:25PM 2.0 ft0.59 mL 11:53PM 0.8 ft0.25 mWed, Oct 21H 5:55AM 2.4 ft0.74 mL 12:47PM 0.6 ft0.17 mH 6:53PM 2.1 ft0.65 m