tidealmanac
Fri, Oct 16

Saturday, October 17, 2026

San Juan, PR · NOAA 9755371 · MLLW · Local time (America/Puerto_Rico)

Sun, Oct 18

Predicted tide height, every 6 minutes

HighLowNightTwilight
3.3 ft1.0 m0.8 ft0.3 m-1.6 ft-0.5 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 6:19 AMSunset 6:01 PM12:08 AM · 1.0 ft12:08 AM · 0.29 m6:39 AM · 0.3 ft6:39 AM · 0.10 m2:18 PM · 1.6 ft2:18 PM · 0.50 m9:17 PM · 0.8 ft9:17 PM · 0.25 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. High12:08 AM1.0 ft0.29 m
  2. Low6:39 AM0.3 ft0.10 m
  3. High2:18 PM1.6 ft0.50 m
  4. Low9:17 PM0.8 ft0.25 m

Range 1.3 ft0.40 m · 4 predicted tides · MLLW

Sun

Civil dawn
5:57 AM
Sunrise
6:19 AM
Solar noon
12:10 PM
Sunset
6:01 PM
Civil dusk
6:23 PM
Daylight
11h 42m

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

Moon

First quarter38% illuminated · day 6 of the cycle

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

This week

Wed, Oct 14L 4:23AM 0.2 ft0.06 mH 11:45AM 1.8 ft0.56 mL 6:45PM 0.7 ft0.22 mH 10:50PM 1.0 ft0.31 mThu, Oct 15L 5:04AM 0.2 ft0.07 mH 12:32PM 1.8 ft0.54 mL 7:38PM 0.8 ft0.23 mH 11:26PM 1.0 ft0.30 mFri, Oct 16L 5:49AM 0.3 ft0.09 mH 1:24PM 1.7 ft0.52 mL 8:29PM 0.8 ft0.24 mSat, Oct 17H 12:08AM 1.0 ft0.29 mL 6:39AM 0.3 ft0.10 mH 2:18PM 1.6 ft0.50 mL 9:17PM 0.8 ft0.25 mSun, Oct 18H 1:02AM 1.0 ft0.30 mL 7:31AM 0.4 ft0.11 mH 3:11PM 1.6 ft0.49 mL 10:02PM 0.8 ft0.24 mMon, Oct 19H 2:14AM 1.0 ft0.30 mL 8:26AM 0.4 ft0.12 mH 3:59PM 1.6 ft0.48 mL 10:39PM 0.8 ft0.23 mTue, Oct 20H 3:32AM 1.1 ft0.32 mL 9:26AM 0.5 ft0.14 mH 4:42PM 1.6 ft0.47 mL 11:12PM 0.7 ft0.21 m