Water Temperature of the Brownsville Ship Channel in South Padre Island, TX

Current Water Temperature

76.8°F

Measurement Time: Tuesday, July 21, 2026, 5:30 AM CDT

Today's Tides

 High: July 21, 12:17 AM, 0.9 ft
Low: July 21, 2:50 AM, 0.9 ft
 High: July 21, 6:38 AM, 1.0 ft
Low: July 21, 3:53 PM, -0.1 ft

Temperature Locations

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Local Points of Interest

Isla Blanca Beach; Brazos Santiago Pass; Del Mar Beach; Brazos Island State Park; Boca Chica Beach; Back Bay; South Bay; Clark Island; Long Island; Laguna Madre; Laguna Vista; Gulf of Mexico; Port Isabel, TX; Coast Guard Station South Padre Island

Brownsville Ship Channel

Station Name: SPI Brazos Santiago
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: 0 feet

Nearest Address:
1 Padre Blvd
South Padre Island, TX 78597
Cameron County

GPS Coordinates: 26.0675, -97.154722

Nearby Water Temperatures

Laguna Madre, South Padre Island, TX (0.8 mi)
Port Isabel Channel, Port Isabel, TX (3.8 mi)
Laguna Madre, Bayview, TX (15.7 mi)
Rio Grande, Los Indios, TX (37.9 mi)
Rio Grande, Mercedes, TX (46.3 mi)
Laguna Madre, Armstrong, TX (54.3 mi)
Rio Grande, Mission, TX (73.4 mi)
Rio Grande, Mission, TX (75.4 mi)
Rio Grande, Mission, TX (78 mi)
Baffin Bay, Kingsville, TX (86.3 mi)
Gulf Intracoastal Waterway, Corpus Christi, TX (98.4 mi)
Rio Grande, Rio Grande City, TX (103.7 mi)
Packery Channel, Corpus Christi, TX (108.4 mi)
Rio Grande, Roma, TX (117.7 mi)
Corpus Christi Bay, Corpus Christi, TX (121.4 mi)

Weather for South Padre Island, Texas

Current Weather

78.1°F
Fog
Fog
82.9°F
87.6°F
90%
S 10.5 mph
16.3 mph
80.6°F
75.5°F
0 in
0%
0 mi
1012 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 85°F
L: 80°F
Sunny
Wed
H: 88°F
L: 79°F
Sunny
Thu
H: 84°F
L: 79°F
Sunny
Fri
H: 86°F
L: 80°F
Sunny
Sat
H: 86°F
L: 80°F

Air Quality

AQI: 2 - Moderate
PM2.5: 14.8 μg/m3
PM10: 26.5 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:35 PM
Sunset: 8:21 PM
Daylight: 13 hrs 32 mins
Moonrise: 2:00 PM
Moon Transit: 7:36 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
7:06 PM - 9:36 PM

Minor Periods

1:30 PM - 3:00 PM
12:04 AM - 1:34 AM

Action Rating: 2 out of 5

Special Weather Statement issued July 20 at 10:10PM CDT by NWS Brownsville TX

Effective: Mon July 20, 2026, 10:10 PM
Expires: Tue July 21, 2026, 7:00 PM

The combination of hot temperatures and humidity will produce heat index values between 108 and 111 degrees for several hours Tuesday afternoon and early evening. A few locations may briefly experience heat index values above 111 degrees. If spending time outside on Tuesday, drink plenty of water, wear light weight and light colored clothing, and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.
Tuesday, July 21, 2026

Weather Forecast

Sunny
85.2°F
80.4°F
81.6°F
83%
0 in
10%
0%
16.8 mph
11.4


Air Quality

AQI: 2 - Moderate
PM2.5: 15.91 μg/m3
PM10: 28.63 μg/m3
Carbon Monoxide: 91.58 μg/m3
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 50.08 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:35 PM
Sunset: 8:21 PM
Daylight: 13 hrs 32 mins
Moonrise: 2:00 PM
Moon Transit: 7:36 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
7:06 PM - 9:36 PM

Minor Periods

1:30 PM - 3:00 PM
12:04 AM - 1:34 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
87.5°F
79°F
83.1°F
78%
0 in
9%
0%
17 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 14.63 μg/m3
PM10: 23.36 μg/m3
Carbon Monoxide: 94.63 μg/m3
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 48.71 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:35 PM
Sunset: 8:21 PM
Daylight: 13 hrs 31 mins
Moonrise: 2:56 PM
Moon Transit: 8:21 PM
Moonset: 1:07 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
7:51 PM - 10:21 PM

Minor Periods

2:26 PM - 3:56 PM
12:37 AM - 2:07 AM

Action Rating: 4 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
83.8°F
78.7°F
81.7°F
76%
0.12 in
63%
0%
15 mph
3.7


Air Quality

AQI: 2 - Moderate
PM2.5: 15.52 μg/m3
PM10: 23.73 μg/m3
Carbon Monoxide: 99.5 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 57.5 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:35 PM
Sunset: 8:20 PM
Daylight: 13 hrs 30 mins
Moonrise: 3:52 PM
Moon Transit: 9:09 PM
Moonset: 1:44 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:16 AM - 9:46 AM
8:39 PM - 11:09 PM

Minor Periods

3:22 PM - 4:52 PM
1:14 AM - 2:44 AM

Action Rating: 4 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
86.4°F
79.6°F
83°F
78%
0 in
9%
0%
17.7 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 15.13 μg/m3
PM10: 24.51 μg/m3
Carbon Monoxide: 105.22 μg/m3
Nitrogen Dioxide: 1.29 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 56.25 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:35 PM
Sunset: 8:20 PM
Daylight: 13 hrs 29 mins
Moonrise: 4:48 PM
Moon Transit: 10:00 PM
Moonset: 2:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:05 AM - 10:35 AM
12:00 AM - 12:00 AM

Minor Periods

4:18 PM - 5:48 PM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
86°F
80.4°F
83°F
77%
0 in
10%
0%
16.8 mph
8


Air Quality

AQI: 2 - Moderate
PM2.5: 17.53 μg/m3
PM10: 29.25 μg/m3
Carbon Monoxide: 148.5 μg/m3
Nitrogen Dioxide: 1.34 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 62.5 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:35 PM
Sunset: 8:19 PM
Daylight: 13 hrs 28 mins
Moonrise: 5:41 PM
Moon Transit: 10:51 PM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

8:56 AM - 11:26 AM
12:00 AM - 12:00 AM

Minor Periods

5:11 PM - 6:41 PM
2:40 AM - 4:10 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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