Water Temperature of Matagorda Bay in Port O'Connor, TX

Current Water Temperature

91.0°F

Measurement Time: Thursday, July 23, 2026, 3:30 AM CDT

Today's Tides

 High: July 23, 7:45 AM, 0.7 ft
Low: July 23, 8:33 PM, -0.2 ft

Temperature Locations

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Local Points of Interest

Port O'Connor Jetty; Espiritu Santo Bay; Gulf of Mexico

Matagorda Bay

Station Name: Port O'Connor
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -2 feet

Nearest Address:
S Washington Blvd
Port O'Connor, TX 97982
Calhoun County

GPS Coordinates: 28.445861, -96.395556

Nearby Water Temperatures

Matagorda Ship Channel, Port O'Connor, TX (4.2 mi)
Lavaca Bay, Port Lavaca, TX (18.7 mi)
Tres Palacios Bay, Palacios, TX (19.1 mi)
San Antonio Bay, Seadrift, TX (19.4 mi)
San Antonio Bay, Austwell, TX (28.6 mi)
Gulf Intracoastal Waterway, Matagorda, TX (34.5 mi)
East Matagorda Bay, Matagorda, TX (36.6 mi)
Aransas Bay, Rockport, TX (49.3 mi)
Gulf Intracoastal Waterway, Sargent, TX (52.3 mi)
Aransas Pass, Port Aransas, TX (57.5 mi)
Corpus Christi Channel, Port Aransas, TX (58.8 mi)
San Antonio River, Goliad, TX (61.7 mi)
Corpus Christi Bay, Portland, TX (66.9 mi)
Brazos River, Freeport, TX (68.9 mi)
Corpus Christi Bay, Corpus Christi, TX (74.8 mi)

Weather for Port O'Connor, Texas

Current Weather

81.7°F
Mist
Mist
90.9°F
89.2°F
91%
W 6 mph
10.8 mph
81°F
77.1°F
0 in
0%
3 mi
1010 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 97°F
L: 77°F
Patchy rain nearby
Fri
H: 91°F
L: 79°F
Sunny
Sat
H: 92°F
L: 80°F
Sunny
Sun
H: 93°F
L: 79°F
Partly Cloudy
Mon
H: 92°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 9.1 μg/m3
PM10: 12.1 μg/m3
Carbon Monoxide: 94 μg/m3
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:32 PM
Sunset: 8:22 PM
Daylight: 13 hrs 39 mins
Moonrise: 3:55 PM
Moon Transit: 9:06 PM
Moonset: 1:35 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:19 AM - 9:49 AM
8:36 PM - 11:06 PM

Minor Periods

3:25 PM - 4:55 PM
1:05 AM - 2:35 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 22 at 10:58PM CDT until July 24 at 6:00AM CDT by NWS Houston/Galveston TX

Effective: Wed July 22, 2026, 10:58 PM
Expires: Thu July 23, 2026, 9:00 AM

* WHAT...West to southwest winds 15 to 25 kt with gusts up to 30 kt. Choppy bay waters. * WHERE...Matagorda Bay. * WHEN...From 11 AM this morning to 6 AM CDT Friday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Tropical Storm Warnings associated with Tropical Storm Bertha are in effect for Galveston Bay and adjacent waters.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Thursday, July 23, 2026

Weather Forecast

Sunny
96.6°F
77.4°F
83.6°F
80%
0.19 in
71%
0%
16.8 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 10.84 μg/m3
PM10: 13.74 μg/m3
Carbon Monoxide: 107.04 μg/m3
Nitrogen Dioxide: 3.72 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 71.58 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:32 PM
Sunset: 8:22 PM
Daylight: 13 hrs 39 mins
Moonrise: 3:55 PM
Moon Transit: 9:06 PM
Moonset: 1:35 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:19 AM - 9:49 AM
8:36 PM - 11:06 PM

Minor Periods

3:25 PM - 4:55 PM
1:05 AM - 2:35 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Patchy rain nearby
91.2°F
79.3°F
85°F
69%
0.03 in
40%
0%
16.3 mph
11.6


Air Quality

AQI: 2 - Moderate
PM2.5: 15.52 μg/m3
PM10: 25.74 μg/m3
Carbon Monoxide: 102.13 μg/m3
Nitrogen Dioxide: 1.67 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 49.71 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:32 PM
Sunset: 8:21 PM
Daylight: 13 hrs 38 mins
Moonrise: 4:51 PM
Moon Transit: 9:56 PM
Moonset: 2:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
9:26 PM - 11:56 PM

Minor Periods

4:21 PM - 5:51 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
91.7°F
79.8°F
85.1°F
68%
0.01 in
36%
0%
13.6 mph
8


Air Quality

AQI: 2 - Moderate
PM2.5: 22.45 μg/m3
PM10: 45.5 μg/m3
Carbon Monoxide: 94.75 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 48.25 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:32 PM
Sunset: 8:21 PM
Daylight: 13 hrs 37 mins
Moonrise: 5:45 PM
Moon Transit: 10:47 PM
Moonset: 3:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
12:00 AM - 12:00 AM

Minor Periods

5:15 PM - 6:45 PM
2:30 AM - 4:00 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
92.6°F
79°F
84.9°F
69%
0 in
8%
0%
12.8 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 15.6 μg/m3
Carbon Monoxide: 86.99 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 50.96 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:32 PM
Sunset: 8:20 PM
Daylight: 13 hrs 36 mins
Moonrise: 6:36 PM
Moon Transit: 11:39 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

9:50 AM - 12:20 AM
12:00 AM - 12:00 AM

Minor Periods

6:06 PM - 7:36 PM
3:20 AM - 4:50 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Partly Cloudy
91.6°F
79.3°F
85°F
70%
0 in
6%
0%
15.2 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.68 μg/m3
PM10: 6.79 μg/m3
Carbon Monoxide: 121.75 μg/m3
Nitrogen Dioxide: 2.46 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 47.5 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:32 PM
Sunset: 8:19 PM
Daylight: 13 hrs 35 mins
Moonrise: 7:21 PM
Moon Transit: 12:00 AM
Moonset: 4:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:41 AM - 1:11 PM

Minor Periods

6:51 PM - 8:21 PM
4:15 AM - 5:45 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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