Port Isabel surfForecast / Texas / USA

information circle48hr Weather and Surf, issued 6 am Thursday 18 Sep 2025 CDT
Forecast update in hr  min  s Forecast update imminent
Port Isabel surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Port Isabel sea temperature is
30.5° C
(Which is 1.9°C warmer than normal for this time of year)


How big are the waves at Port Isabel today?

The current surf forecast for Port Isabel at 8AM is: 1.1m 6s primary swell from a East direction (forecast issued at 06:00am September 18). The wind direction is predicted to be onshore.

Time (CDT) & DateWave HeightWave Period
Morning (18 Sep)3.5ft (1.1m)6s
Afternoon (18 Sep)3.5ft (1.0m)6s
Evening (18 Sep)3.5ft (1.1m)5s

Table - waves today at Port Isabel. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Thursday
18
Friday
19
Saturday
20
Sun
21
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
E
1.2
E
1.1
E
1
E
1
E
1
E
1.1
E
1
E
0.9
E
0.8
E
0.6
E
0.5
E
0.4
ESE
0.4
SE
0.5
E
0.5
E
0.5
SE
0.6
ESE
0.6
ESE
0.7
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.6
ESE
Period(s) (?)666665555555555576666666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9999836462536254423317129811122228263442444025
Wind
(km/h)
20
ESE
15
ESE
15
ESE
20
E
25
E
25
E
20
E
15
ESE
10
ESE
15
E
15
E
15
ENE
20
E
20
E
20
E
15
ESE
15
SE
15
SE
15
SE
15
ESE
20
ESE
15
ESE
15
ESE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
onononononononononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:29AM
0.54
4:35AM
0.50
1:00PM
0.48
4:33AM
0.46
2:37PM
0.49
Low Tide
/ height (m)
8:03PM
0.08
9:01AM
0.39
8:59PM
0.13
9:10AM
0.34
9:50PM
0.19
Thursday
18
Friday
19
Saturday
20
Sun
21
Sunrise--7:15-------7:15-------7:16-----
Sunset-----7:29-------7:28-------7:27--
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
Rain (mm)
4764-----111----1--11---
Temp. °C282728282828282827272728282828282727282829282828
Feels °C (?)292930292828292929292930303030313030313031303030
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Texas

  1. weather stationWind Update Onshore wind has changed to cross-on at Port Isabel (light winds from the ESE at BUOY-PCGT2 6 km from Port Isabel). A 1.1m windswell from the E

    Port Isabel
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1 h 2 min ago

13 km/h
ESE
Cross-On
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