TideTide timesTexas

Port Isabel tide times

 

Tide chart · today

The next 7 days

Port Isabel at a glance

Tides
Once a day
Typical range
1.4 fthigh to low
Highest of 2027
2.1 ftThu, Oct 21
Lowest of 2027
-1.0 ftThu, Jan 21
Record high
7.0 ftAug 9, 1980

The tide at Port Isabel

Pattern
Once-daily
Usually just one high tide and one low tide a day, about 24 h 50 min apart - the pattern of most of the Gulf of Mexico. Form number 3.26.
Typical range
1.4 ft from the higher high to the lower low on an average day (0.42 m) - a smaller range than 78% of the 235 places on this site. The mean range, high to low, is 1.2 ft.

2027: the biggest and smallest tides

The highest tides of 2027 - the king tides
Thu, Oct 2112:24 am2.1 ft
Sat, Oct 307:24 pm2.0 ft
Fri, Sep 243:18 am2.0 ft
The lowest tides of 2027
Thu, Jan 218:06 am-1.0 ftin daylight
Sat, Jul 39:36 pm-0.9 ftin the dark
Sat, Jun 510:36 pm-0.8 ftin the dark
The lowest tides of 2027 in daylight - for tide pools
Thu, Jan 218:06 am-1.0 ft
Thu, Jul 17:48 pm-0.8 ft
Tue, Dec 149:18 am-0.7 ft

190 low tides in 2027 drop below zero - below the average lower low water - and uncover more shore than usual.

Records

Highest water recorded
7.0 ft (2.15 m) on Aug 9, 1980 - 5.7 ft above the average higher high.
Lowest water recorded
-2.2 ft (-0.66 m) on Dec 13, 1989.
Highest tide the moon and sun can raise
2.2 ft (0.67 m) - the highest astronomical tide in NOAA’s 19-year cycle, which fell on Oct 29, 2007.

Tide times nearby

Heights are above mean lower low water (MLLW), the zero of US charts; times are local. The year’s tides are NOAA’s official predictions - wind and air pressure can move the real water a foot or more. Form number: (K1+O1)/(M2+S2) from NOAA’s harmonic constants - below 0.25 twice-daily, above 3 once-daily. Texas, 26.061°N 97.216°W. Predictions and records: NOAA CO-OPS, station 8779770. Not for navigation or safety. For a boat, a crossing of sand that floods, or a swim, use the official tables and local advice. No ads, no tracking.