Water Temperature of the Port Isabel Channel in Port Isabel, TX

Current Water Temperature

75.7°F

Measurement Time: Wednesday, March 4, 2026, 1:42 PM CST

Today's Tides

 High: March 4, 3:33 AM, 1.0 ft
Low: March 4, 10:21 AM, 0.3 ft
 High: March 4, 4:20 PM, 0.8 ft
Low: March 4, 10:17 PM, 0.4 ft

Temperature Locations

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Local Points of Interest

Port Isabel Turning Basin; Mighy Minnow Marina; Long Island; South Padre Island;

Port Isabel Channel

Station Name: Port Isabel
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 20 feet

Sensor Depth: -5 feet

Nearest Address:
34839 Port Rd
Port Isabel, TX 78578
Cameron County

GPS Coordinates: 26.061167, -97.215528

Nearby Water Temperatures

Laguna Madre, South Padre Island, TX (3.1 mi)
Brownsville Ship Channel, South Padre Island, TX (3.8 mi)
Laguna Madre, Bayview, TX (14.6 mi)
Rio Grande, Los Indios, TX (34.1 mi)
Rio Grande, Mercedes, TX (42.5 mi)
Laguna Madre, Armstrong, TX (53.5 mi)
Rio Grande, Mission, TX (69.6 mi)
Rio Grande, Mission, TX (71.7 mi)
Rio Grande, Mission, TX (74.3 mi)
Baffin Bay, Kingsville, TX (86.2 mi)
Gulf Intracoastal Waterway, Corpus Christi, TX (98.5 mi)
Rio Grande, Rio Grande City, TX (100.1 mi)
Packery Channel, Corpus Christi, TX (108.7 mi)
Rio Grande, Roma, TX (114.1 mi)
Corpus Christi Bay, Corpus Christi, TX (121.4 mi)

Weather for Port Isabel, Texas

Current Weather

84.9°F
Light rain
Light rain
98.1°F
76.4°F
55%
SE 19 mph
23.9 mph
72.1°F
67.6°F
0 in
50%
9 mi
1016 mbar
8

Five Day Weather Forecast

Cloudy
Wed
H: 73°F
L: 71°F
Cloudy
Thu
H: 73°F
L: 70°F
Overcast
Fri
H: 74°F
L: 70°F
Overcast
Sat
H: 77°F
L: 71°F
Patchy rain nearby
Sun
H: 76°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 10.56 μg/m3
PM10: 15.56 μg/m3
Carbon Monoxide: 111.56 μg/m3
Nitrogen Dioxide: 1.46 μg/m3
Sulphur Dioxide: 0.86 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:40 AM
Sunset: 6:32 PM
Daylight: 11 hrs 43 mins
Moonrise: 7:55 PM
Moon Transit: 1:15 AM
Moonset: 7:25 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
12:07 AM - 2:37 PM

Minor Periods

7:25 PM - 8:55 PM
6:55 AM - 8:25 AM

Action Rating: 4 out of 5

Wednesday, March 4, 2026

Weather Forecast

Cloudy
72.7°F
71.1°F
71.6°F
93%
0 in
0%
0%
20.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 11.84 μg/m3
PM10: 16.36 μg/m3
Carbon Monoxide: 116.52 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 66.92 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:40 AM
Sunset: 6:32 PM
Daylight: 11 hrs 43 mins
Moonrise: 7:55 PM
Moon Transit: 1:15 AM
Moonset: 7:25 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
12:07 AM - 2:37 PM

Minor Periods

7:25 PM - 8:55 PM
6:55 AM - 8:25 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Cloudy
72.7°F
70°F
71.5°F
94%
0 in
0%
0%
21.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 14.68 μg/m3
Carbon Monoxide: 106.44 μg/m3
Nitrogen Dioxide: 1.26 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 66.88 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:40 AM
Sunset: 6:33 PM
Daylight: 11 hrs 45 mins
Moonrise: 8:51 PM
Moon Transit: 1:58 AM
Moonset: 7:55 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
12:50 AM - 3:20 PM

Minor Periods

8:21 PM - 9:51 PM
7:25 AM - 8:55 AM

Action Rating: 3 out of 5

Friday, March 6, 2026

Weather Forecast

Overcast
73.8°F
70.2°F
71.8°F
95%
0 in
0%
0%
24.2 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 8.96 μg/m3
PM10: 12.95 μg/m3
Carbon Monoxide: 108.52 μg/m3
Nitrogen Dioxide: 1.31 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 67.04 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:40 AM
Sunset: 6:34 PM
Daylight: 11 hrs 46 mins
Moonrise: 9:46 PM
Moon Transit: 2:40 AM
Moonset: 8:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
1:33 PM - 4:03 PM

Minor Periods

9:16 PM - 10:46 PM
7:56 AM - 9:26 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Overcast
77.2°F
70.9°F
72.8°F
92%
0 in
0%
0%
22.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 10.32 μg/m3
PM10: 14.75 μg/m3
Carbon Monoxide: 110.62 μg/m3
Nitrogen Dioxide: 1.33 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 66.12 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:39 AM
Sunset: 6:34 PM
Daylight: 11 hrs 48 mins
Moonrise: 10:42 PM
Moon Transit: 3:24 AM
Moonset: 8:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:17 PM - 4:47 PM

Minor Periods

10:12 PM - 11:42 PM
8:28 AM - 9:58 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Patchy rain nearby
76.3°F
71.8°F
74.2°F
87%
0.02 in
89%
0%
21 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 9.17 μg/m3
PM10: 13.54 μg/m3
Carbon Monoxide: 118.37 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:39 AM
Sunset: 6:35 PM
Daylight: 11 hrs 49 mins
Moonrise: 11:37 PM
Moon Transit: 4:09 AM
Moonset: 9:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
3:03 PM - 5:33 PM

Minor Periods

12:00 AM - 12:00 AM
9:03 AM - 10:33 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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