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

Current Water Temperature

82.8°F

Measurement Time: Saturday, April 18, 2026, 3:36 PM CDT

Today's Tides

Low: April 18, 12:11 AM, 0.1 ft
 High: April 18, 10:40 AM, 1.0 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

82°F
Moderate rain
Moderate rain
92.4°F
83.8°F
67%
S 5.8 mph
6.9 mph
78.8°F
74°F
0.2 in
0%
9 mi
1014 mbar
6.7

Five Day Weather Forecast

Moderate rain
Sat
H: 84°F
L: 60°F
Moderate rain
Sun
H: 68°F
L: 58°F
Moderate rain
Mon
H: 71°F
L: 63°F
Moderate rain
Tue
H: 75°F
L: 69°F
Patchy rain nearby
Wed
H: 82°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 142.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:24 PM
Sunset: 7:53 PM
Daylight: 12 hrs 56 mins
Moonrise: 7:29 AM
Moon Transit: 2:30 PM
Moonset: 9:39 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
2:00 PM - 4:30 PM

Minor Periods

9:09 PM - 10:39 PM
6:59 AM - 8:29 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued April 18 at 9:52AM CDT until April 19 at 7:00PM CDT by NWS Corpus Christi TX

Effective: Sat April 18, 2026, 9:52 AM
Expires: Sun April 19, 2026, 2:00 AM

* WHAT...Minor coastal flooding expected. * WHERE...Coastal Aransas, Coastal Kleberg, Coastal Nueces, Coastal San Patricio, Aransas Islands, Coastal Refugio, Coastal Calhoun, Nueces Islands and Calhoun Islands Counties. * WHEN...From 4 AM to 7 PM CDT Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...While the coastal flooding will primarily be driven by high tide influence, gusty post-frontal winds combined with the forecast tide level will allow for some water levels to exceed 2 ft above MSL.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Saturday, April 18, 2026

Weather Forecast

Moderate rain
84°F
60.1°F
74.2°F
84%
0.6 in
89%
0%
21.9 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 12.72 μg/m3
Carbon Monoxide: 131.97 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 83.92 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:24 PM
Sunset: 7:53 PM
Daylight: 12 hrs 56 mins
Moonrise: 7:29 AM
Moon Transit: 2:30 PM
Moonset: 9:39 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
2:00 PM - 4:30 PM

Minor Periods

9:09 PM - 10:39 PM
6:59 AM - 8:29 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Moderate rain
68°F
57.6°F
62.1°F
69%
0.38 in
88%
0%
22.1 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 7.85 μg/m3
Carbon Monoxide: 154.09 μg/m3
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 92.64 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:24 PM
Sunset: 7:54 PM
Daylight: 12 hrs 58 mins
Moonrise: 8:17 AM
Moon Transit: 3:31 PM
Moonset: 10:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
3:01 PM - 5:31 PM

Minor Periods

10:22 PM - 11:52 PM
7:47 AM - 9:17 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Moderate rain
71°F
62.6°F
67.1°F
76%
0.23 in
85%
0%
18.1 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 6.34 μg/m3
PM10: 7.58 μg/m3
Carbon Monoxide: 154.73 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 91.2 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:24 PM
Sunset: 7:54 PM
Daylight: 12 hrs 59 mins
Moonrise: 9:12 AM
Moon Transit: 4:35 PM
Moonset: 12:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
4:05 PM - 6:35 PM

Minor Periods

12:00 AM - 12:00 AM
8:42 AM - 10:12 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Moderate rain
75.4°F
68.8°F
71.7°F
83%
0.27 in
85%
0%
16.8 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 6.25 μg/m3
PM10: 8.35 μg/m3
Carbon Monoxide: 138.48 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 99.76 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 1 mins
Moonrise: 10:15 AM
Moon Transit: 5:40 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

3:45 AM - 6:15 AM
5:10 PM - 7:40 PM

Minor Periods

9:45 AM - 11:15 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
81.9°F
70°F
75.3°F
77%
0.17 in
87%
0%
13.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.85 μg/m3
PM10: 9.3 μg/m3
Carbon Monoxide: 146.6 μg/m3
Nitrogen Dioxide: 3.62 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 84.15 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:24 PM
Sunset: 7:55 PM
Daylight: 13 hrs 2 mins
Moonrise: 11:22 AM
Moon Transit: 6:43 PM
Moonset: 1:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
6:13 PM - 8:43 PM

Minor Periods

10:52 AM - 12:22 AM
12:35 AM - 2:05 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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