Port O'Connor Water Temperature

(Today) 2025

18.2°C / 64.8°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

*Live data from Seadrift, TX: 15.2°C / 59.4°F

Current weather

16°C / 60°F
(clear sky)
Partly cloudy
Wind
5 mph
Humidity
93%

The measurements for the water temperature in Port O'Connor, Texas are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Port O'Connor water temperature derived from many years of historical sea surface temperature data.

Port O'Connor average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Port O'Connor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.9 12.3 13.7 18.8 22.6 26.9 28.5 29.3 27 23.3 19.5 14.6
Max °C 18.3 19.2 22.5 25.5 28 30.8 31.3 31.5 31.3 29.1 24.6 20.9
Min °F 57.4 56.9 60.2 68.5 74.8 81.9 84.4 85.6 82.3 76.3 69.1 60.8
Max °F 62.8 63.8 69 75.2 80.2 85.8 87.2 87.8 86.6 82.1 74.2 67.1

The warmest water temperature is in August with an average around 86.7°F / 30.4°C. The coldest month is January with an average water temperature of 60.1°F / 15.6°C.

7 day tide forecast for Port O'Connor

WedThuFriSatSunMonTue
  • Low 3:52am
    (0.31m)
  • High 5:35am
    (0.31m)
  • Low 1:08pm
    (-0.03m)
  • High 10:28pm
    (0.36m)
  • Low 3:51am
    (0.23m)
  • High 8:34am
    (0.26m)
  • Low 2:07pm
    (0.06m)
  • High 10:45pm
    (0.33m)
  • Low 4:21am
    (0.16m)
  • High 10:47am
    (0.25m)
  • Low 3:14pm
    (0.15m)
  • High 10:58pm
    (0.31m)
  • Low 4:53am
    (0.08m)
  • High 12:46pm
    (0.28m)
  • Low 4:39pm
    (0.22m)
  • High 11:07pm
    (0.3m)
  • Low 5:23am
    (0.01m)
  • High 2:24pm
    (0.32m)
  • Low 6:18pm
    (0.27m)
  • High 11:11pm
    (0.3m)
  • Low 5:53am
    (-0.04m)
  • High 3:35pm
    (0.35m)
  • Low 8:02pm
    (0.31m)
  • High 11:01pm
    (0.31m)
  • Low 6:23am
    (-0.09m)
  • High 4:26pm
    (0.38m)
7 day tide times for Port O'Connor

*These tide times are estimates based on the nearest accurate location (Port O'Connor, Matagorda Bay, Texas) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.