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

Current Water Temperature

90.0°F

Measurement Time: Tuesday, September 22, 2026, 6:36 AM CDT

Today's Tides

 High: September 22, 4:28 AM, 1.7 ft
Low: September 22, 7:26 PM, 0.5 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

82°F
Sunny
Sunny
83%
ESE 5 mph
76°F

Weather Forecast

Slight Chance Showers And Thunderstorms
Today
93°F - Slight Chance Showers And Thunderstorms
Mostly Clear
Tonight
82°F - Mostly Clear
Chance Showers And Thunderstorms
Wednesday
92°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday Night
81°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
92°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday Night
82°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Friday
92°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Partly Cloudy
Friday Night
81°F - Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And Thunderstorms
Saturday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday Night
81°F - Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Sunday
89°F - Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Partly Cloudy
Sunday Night
81°F - Slight Chance Showers And Thunderstorms then Partly Cloudy
Sunny then Slight Chance Showers And Thunderstorms
Monday
89°F - Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Clear
Monday Night
82°F - Slight Chance Showers And Thunderstorms then Mostly Clear

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:21 PM
Sunset: 7:25 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:09 PM
Moon Transit: 10:42 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Minor Periods

4:39 PM - 6:09 PM
2:54 AM - 4:24 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: 7:17 AM
Sun Transit: 1:21 PM
Sunset: 7:25 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:09 PM
Moon Transit: 10:42 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Minor Periods

4:39 PM - 6:09 PM
2:54 AM - 4:24 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: 7:17 AM
Sun Transit: 1:21 PM
Sunset: 7:25 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:09 PM
Moon Transit: 10:42 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Minor Periods

4:39 PM - 6:09 PM
2:54 AM - 4:24 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: 7:18 AM
Sun Transit: 1:21 PM
Sunset: 7:24 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:42 PM
Moon Transit: 11:27 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:12 PM - 6:42 PM
3:51 AM - 5:21 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: 7:18 AM
Sun Transit: 1:21 PM
Sunset: 7:24 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:42 PM
Moon Transit: 11:27 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
12:00 AM - 12:00 AM

Minor Periods

5:12 PM - 6:42 PM
3:51 AM - 5:21 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: 7:18 AM
Sun Transit: 1:20 PM
Sunset: 7:23 PM
Daylight: 12 hrs 5 mins
Moonrise: 6:14 PM
Moon Transit: 12:00 AM
Moonset: 5:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:19 AM - 12:49 AM

Minor Periods

5:44 PM - 7:14 PM
4:47 AM - 6:17 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: 7:18 AM
Sun Transit: 1:20 PM
Sunset: 7:23 PM
Daylight: 12 hrs 5 mins
Moonrise: 6:14 PM
Moon Transit: 12:00 AM
Moonset: 5:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:19 AM - 12:49 AM

Minor Periods

5:44 PM - 7:14 PM
4:47 AM - 6:17 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: 7:18 AM
Sun Transit: 1:20 PM
Sunset: 7:22 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:46 PM
Moon Transit: 12:11 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:03 AM - 1:33 PM

Minor Periods

6:16 PM - 7:46 PM
5:44 AM - 7:14 AM

Action Rating: 5 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: 7:18 AM
Sun Transit: 1:20 PM
Sunset: 7:22 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:46 PM
Moon Transit: 12:11 AM
Moonset: 6:14 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:03 AM - 1:33 PM

Minor Periods

6:16 PM - 7:46 PM
5:44 AM - 7:14 AM

Action Rating: 5 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: 7:19 AM
Sun Transit: 1:20 PM
Sunset: 7:20 PM
Daylight: 12 hrs 2 mins
Moonrise: 7:18 PM
Moon Transit: 12:55 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
7:03 AM - 9:33 AM

Minor Periods

6:48 PM - 8:18 PM
6:42 AM - 8:12 AM

Action Rating: 4 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: 7:19 AM
Sun Transit: 1:20 PM
Sunset: 7:20 PM
Daylight: 12 hrs 2 mins
Moonrise: 7:18 PM
Moon Transit: 12:55 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
7:03 AM - 9:33 AM

Minor Periods

6:48 PM - 8:18 PM
6:42 AM - 8:12 AM

Action Rating: 4 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: 7:19 AM
Sun Transit: 1:19 PM
Sunset: 7:19 PM
Daylight: 12 hrs mins
Moonrise: 7:52 PM
Moon Transit: 12:00 AM
Moonset: 8:12 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:35 AM - 3:05 PM

Minor Periods

7:22 PM - 8:52 PM
7:42 AM - 9:12 AM

Action Rating: 5 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: 7:19 AM
Sun Transit: 1:19 PM
Sunset: 7:19 PM
Daylight: 12 hrs mins
Moonrise: 7:52 PM
Moon Transit: 12:00 AM
Moonset: 8:12 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:35 AM - 3:05 PM

Minor Periods

7:22 PM - 8:52 PM
7:42 AM - 9:12 AM

Action Rating: 5 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: 7:20 AM
Sun Transit: 1:19 PM
Sunset: 7:18 PM
Daylight: 11 hrs 58 mins
Moonrise: 8:31 PM
Moon Transit: 2:29 AM
Moonset: 9:14 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
1:25 PM - 3:55 PM

Minor Periods

8:01 PM - 9:31 PM
8:44 AM - 10:14 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: 7:20 AM
Sun Transit: 1:19 PM
Sunset: 7:18 PM
Daylight: 11 hrs 58 mins
Moonrise: 8:31 PM
Moon Transit: 2:29 AM
Moonset: 9:14 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
1:25 PM - 3:55 PM

Minor Periods

8:01 PM - 9:31 PM
8:44 AM - 10:14 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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