tidealmanac
Wed, Oct 21

Thursday, October 22, 2026

Port Isabel, TX · NOAA 8779770 · MLLW · Local time (America/Chicago)

Fri, Oct 23

Predicted tide height, every 6 minutes

HighLowNightTwilight
3.3 ft1.0 m1.6 ft0.5 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:31 AMSunset 6:55 PM2:06 AM · 1.6 ft2:06 AM · 0.47 m8:00 AM · 1.2 ft8:00 AM · 0.37 m1:06 PM · 1.5 ft1:06 PM · 0.44 m7:48 PM · 1.0 ft7:48 PM · 0.30 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. High2:06 AM1.6 ft0.47 m
  2. Low8:00 AM1.2 ft0.37 m
  3. High1:06 PM1.5 ft0.44 m
  4. Low7:48 PM1.0 ft0.30 m

Range 0.6 ft0.17 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:08 AM
Sunrise
7:31 AM
Solar noon
1:13 PM
Sunset
6:55 PM
Civil dusk
7:19 PM
Daylight
11h 24m

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

Moon

Waxing gibbous87% illuminated · day 11 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Mon, Oct 19H 2:24AM 1.8 ft0.56 mL 4:42PM 0.6 ft0.19 mTue, Oct 20H 2:36AM 1.7 ft0.53 mL 5:48PM 0.7 ft0.21 mWed, Oct 21H 2:18AM 1.6 ft0.50 mL 6:48PM 0.8 ft0.25 mThu, Oct 22H 2:06AM 1.6 ft0.47 mL 8:00AM 1.2 ft0.37 mH 1:06PM 1.5 ft0.44 mL 7:48PM 1.0 ft0.30 mFri, Oct 23H 2:06AM 1.5 ft0.45 mL 8:12AM 1.0 ft0.30 mH 2:48PM 1.6 ft0.48 mL 9:00PM 1.1 ft0.35 mSat, Oct 24H 2:00AM 1.4 ft0.43 mL 8:36AM 0.7 ft0.22 mH 4:00PM 1.7 ft0.53 mL 10:12PM 1.3 ft0.40 mSun, Oct 25H 1:36AM 1.4 ft0.43 mL 9:06AM 0.5 ft0.14 mH 5:06PM 1.9 ft0.57 m