This data the coastal Port O'Connor ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Port O'Connor today is 86.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Port O'Connor was recorded in 2023 and was 88.3°F, and the coldest was recorded in 2024 at 82.2°F. Sea water temperature in Port O'Connor is expected to drop to 84.2°F in the next 10 days. September average water temperature in Port O'Connor is 84.4°F, the minimum temperature is 78.8°F, and the maximum is 88.5°F.
The swimming season in Port O'Connor lasts from March to November. During those months, Port O'Connor water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Port O'Connor in winter reaches 63°F, in spring 72.1°F, in summer the average temperature rises to 85.1°F, and in autumn it is 78.3°F.
September 9, 2025 |
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today temp |
86.2°F |
September 8, 2025 |
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yesterday temp |
87.6°F |
The ocean salinity in Port O'Connor is 28.63‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Port O'Connor. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Port O'Connor. Data in table shown for September 9, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
2' 1" | 1' 9" | 1' 8" | 1' 9" |
0.64 m | 0.53 m | 0.5 m | 0.54 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 10" | 1' 9" | 1' 7" | 1' 7" |
0.56 m | 0.53 m | 0.48 m | 0.49 m |
Data in a table show Port O'Connor temperature today (September 9, 2025). For more information and forecast for a few days, go to the weather forecast Port O'Connor.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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76.1°F | 72.9°F | 69.4°F | 78.3°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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91.2°F | 93.7°F | 88.5°F | 80.2°F |
You may also be interested in other sections of our site for Port O'Connor: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Port O'Connor. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Port O'Connor on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 62.1°F | 49.6°F | 71.1°F | cold |
Ocean water temperature in Port O'Connor in January | ||||
February | 61.7°F | 53.6°F | 68.9°F | cold |
Ocean water temperature in Port O'Connor in February | ||||
March | 65.8°F | 56.8°F | 75.9°F | cold |
Ocean water temperature in Port O'Connor in March | ||||
April | 72°F | 65.7°F | 79.2°F | warm |
Ocean water temperature in Port O'Connor in April | ||||
May | 78.4°F | 70.5°F | 85.8°F | hot |
Ocean water temperature in Port O'Connor in May | ||||
June | 84°F | 80.4°F | 88°F | hot |
Ocean water temperature in Port O'Connor in June | ||||
July | 85.3°F | 81.7°F | 88.3°F | hot |
Ocean water temperature in Port O'Connor in July | ||||
August | 86.2°F | 82.2°F | 90.1°F | hot |
Ocean water temperature in Port O'Connor in August | ||||
September | 84.4°F | 78.8°F | 88.5°F | hot |
Ocean water temperature in Port O'Connor in September | ||||
October | 79.2°F | 71.8°F | 85.3°F | hot |
Ocean water temperature in Port O'Connor in October | ||||
November | 71.4°F | 62.4°F | 79.7°F | warm |
Ocean water temperature in Port O'Connor in November | ||||
December | 65.3°F | 55.8°F | 71.4°F | cold |
Ocean water temperature in Port O'Connor in December |