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

Current Water Temperature

84.6°F

Measurement Time: Wednesday, September 2, 2026, 4:54 AM CDT

Today's Tides

Low: September 2, 1:54 PM, 0.1 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

81°F
Mostly Clear
Mostly Clear
88%
S 9 mph
78°F

Weather Forecast

Mostly Clear
Overnight
81°F - Mostly Clear
Sunny
Wednesday
94°F - Sunny
Mostly Clear
Wednesday Night
81°F - Mostly Clear
Mostly Sunny
Thursday
94°F - Mostly Sunny
Partly Cloudy
Thursday Night
81°F - Partly Cloudy
Mostly Sunny
Friday
93°F - Mostly Sunny
Partly Cloudy
Friday Night
81°F - Partly Cloudy
Mostly Sunny
Saturday
93°F - Mostly Sunny
Mostly Clear
Saturday Night
81°F - Mostly Clear
Sunny
Sunday
89°F - Sunny
Mostly Clear
Sunday Night
81°F - Mostly Clear
Sunny
Labor Day
89°F - Sunny
Mostly Clear
Monday Night
80°F - Mostly Clear
Slight Chance Showers And Thunderstorms
Tuesday
89°F - Slight Chance Showers And Thunderstorms

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:28 PM
Sunset: 7:47 PM
Daylight: 12 hrs 38 mins
Moonrise: 11:17 PM
Moon Transit: 5:27 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
4:24 PM - 6:54 PM

Minor Periods

12:00 AM - 12:00 AM
11:59 AM - 1:29 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:28 PM
Sunset: 7:47 PM
Daylight: 12 hrs 38 mins
Moonrise: 11:17 PM
Moon Transit: 5:27 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
4:24 PM - 6:54 PM

Minor Periods

12:00 AM - 12:00 AM
11:59 AM - 1:29 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:28 PM
Sunset: 7:47 PM
Daylight: 12 hrs 38 mins
Moonrise: 11:17 PM
Moon Transit: 5:27 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
4:24 PM - 6:54 PM

Minor Periods

12:00 AM - 12:00 AM
11:59 AM - 1:29 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:28 PM
Sunset: 7:47 PM
Daylight: 12 hrs 38 mins
Moonrise: 11:17 PM
Moon Transit: 5:27 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
4:24 PM - 6:54 PM

Minor Periods

12:00 AM - 12:00 AM
11:59 AM - 1:29 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:28 PM
Sunset: 7:46 PM
Daylight: 12 hrs 36 mins
Moonrise: 12:17 AM
Moon Transit: 6:23 AM
Moonset: 1:35 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:53 AM - 8:23 AM
5:23 PM - 7:53 PM

Minor Periods

1:05 PM - 2:35 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:28 PM
Sunset: 7:46 PM
Daylight: 12 hrs 36 mins
Moonrise: 12:17 AM
Moon Transit: 6:23 AM
Moonset: 1:35 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:53 AM - 8:23 AM
5:23 PM - 7:53 PM

Minor Periods

1:05 PM - 2:35 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:27 PM
Sunset: 7:45 PM
Daylight: 12 hrs 35 mins
Moonrise: 12:09 AM
Moon Transit: 7:24 AM
Moonset: 2:42 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
6:25 PM - 8:55 PM

Minor Periods

2:12 PM - 3:42 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:27 PM
Sunset: 7:45 PM
Daylight: 12 hrs 35 mins
Moonrise: 12:09 AM
Moon Transit: 7:24 AM
Moonset: 2:42 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
6:25 PM - 8:55 PM

Minor Periods

2:12 PM - 3:42 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:27 PM
Sunset: 7:44 PM
Daylight: 12 hrs 33 mins
Moonrise: 1:09 AM
Moon Transit: 8:27 AM
Moonset: 3:44 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
7:28 PM - 9:58 PM

Minor Periods

3:14 PM - 4:44 PM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:27 PM
Sunset: 7:44 PM
Daylight: 12 hrs 33 mins
Moonrise: 1:09 AM
Moon Transit: 8:27 AM
Moonset: 3:44 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
7:28 PM - 9:58 PM

Minor Periods

3:14 PM - 4:44 PM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:27 PM
Sunset: 7:43 PM
Daylight: 12 hrs 32 mins
Moonrise: 2:15 AM
Moon Transit: 9:29 AM
Moonset: 4:41 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
8:30 PM - 11:00 PM

Minor Periods

4:11 PM - 5:41 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:27 PM
Sunset: 7:43 PM
Daylight: 12 hrs 32 mins
Moonrise: 2:15 AM
Moon Transit: 9:29 AM
Moonset: 4:41 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
8:30 PM - 11:00 PM

Minor Periods

4:11 PM - 5:41 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:26 PM
Sunset: 7:42 PM
Daylight: 12 hrs 30 mins
Moonrise: 3:23 AM
Moon Transit: 10:29 AM
Moonset: 5:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

9:28 PM - 11:58 PM
9:59 AM - 12:29 AM

Minor Periods

5:00 PM - 6:30 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:26 PM
Sunset: 7:42 PM
Daylight: 12 hrs 30 mins
Moonrise: 3:23 AM
Moon Transit: 10:29 AM
Moonset: 5:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

9:28 PM - 11:58 PM
9:59 AM - 12:29 AM

Minor Periods

5:00 PM - 6:30 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 1:26 PM
Sunset: 7:40 PM
Daylight: 12 hrs 29 mins
Moonrise: 4:31 AM
Moon Transit: 11:25 AM
Moonset: 6:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:55 AM - 1:25 PM

Minor Periods

5:43 PM - 7:13 PM
4:01 AM - 5:31 AM

Action Rating: 3 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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