All data are in degrees Fahrenheit

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Water temperature in Port Arthur

Detailed information about the current water temperature in Port Arthur. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Port Arthur now

74.8

°F

April 14, 22:17

Trend:

increasing

Yesterday:

73.7°F

Tomorrow:

74.9°F

Sunrise:

06:50

Sunset:

19:42

Day Length:

12 h. 52 min.

Port Arthur in April

Minimum:

54.5°F

Average:

60.4°F

Maximum:

67.0°F

Sea water temperature in Port Arthur today

As of now, in Port Arthur, the water temperature is 74.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 72.9°F on 2020, while the historical minimum was 69.0°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 75.4°F, with minimum temperature starting at 74.9°F, while the maximum might reach 76.2°F.

Daily water temperature in Port Arthur

Date Current Year

actual* / forecast**

last year 10 years average
Mar 31 72.2°F 70.2°F 69.5°F
Apr 1 72.2°F 70.3°F 69.5°F
Apr 2 73.1°F 72.9°F 69.5°F
Apr 3 73.0°F 73.6°F 69.8°F
Apr 4 73.0°F 72.3°F 69.8°F
Apr 5 73.7°F 74.1°F 70.2°F
Apr 6 74.0°F 73.9°F 70.3°F
Apr 7 71.6°F 73.4°F 70.3°F
Apr 8 73.5°F 72.8°F 70.5°F
Apr 9 72.5°F 72.4°F 70.6°F
Apr 10 72.6°F 68.8°F 70.1°F
Apr 11 72.9°F 70.0°F 70.6°F
Apr 12 73.8°F 71.0°F 71.0°F
Apr 13 73.7°F 71.5°F 71.0°F
Apr 14 74.8°F 72.5°F 70.9°F
Apr 15 74.9°F 72.4°F 71.0°F
Apr 16 75.2°F 72.7°F 71.4°F
Apr 17 75.0°F 72.6°F 71.2°F
Apr 18 75.4°F 72.8°F 71.6°F
Apr 19 75.5°F 72.9°F 71.7°F
Apr 20 75.8°F 71.8°F 72.0°F
Apr 21 76.2°F 73.4°F 72.4°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Port Arthur by month

In Port Arthur, the months May through October offer comfortable swimming conditions, which amounts to 189 swimming days.
The warmest water in Port Arthur was recorded on August 4, 2023, reaching a 89.7°F. While the coldest temperature occurred on January 18, 2021, dipping to 50.7°F. The average readings by season are 60.0°F in Winter, 71.9°F in Spring, 85.8°F in Summer, and 77.5°F in Autumn.