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Water temperature in Ashtabula (OH) in April

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Is it warm enough to swim in Ashtabula in April? Average water temperature in Ashtabula in April is 41.5°F and therefore is not suitable for comfortable swimming. The warmest water in Ashtabula in April is 50.9°F, and the coldest is 31.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ashtabula

Changes water temperature in Ashtabula in April 2025, 2024

To get an accurate forecast for the water temperature in Ashtabula for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Ashtabula, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 136.9°F39.6°F31.6°F40.6°F
April 236.5°F39.4°F31.8°F41.2°F
April 336.5°F39.2°F32.2°F41.4°F
April 436.7°F39.7°F32.2°F41.9°F
April 536.5°F39.7°F32.2°F44.1°F
April 636.7°F40.8°F32.5°F42.1°F
April 740.8°F41.4°F32.7°F44.4°F
April 841°F43.3°F32.5°F43.9°F
April 941.5°F42.8°F33.1°F43.9°F
April 1041.2°F42.4°F33.8°F43.3°F
April 1140.8°F42.1°F33.1°F43°F
April 1243.7°F41.7°F33.1°F47.3°F
April 1342.6°F45.1°F34.3°F46.8°F
April 1442.3°F45.1°F34.5°F46.2°F
April 1544.1°F45.1°F34.5°F47.1°F
Day 2025 2024 Min Max
April 1643.5°F45.1°F34.3°F46.4°F
April 1743.7°F44.6°F35.4°F49.3°F
April 1843.2°F48.9°F35.4°F48.9°F
April 1944.2°F44.4°F35.6°F46.6°F
April 2044.8°F48.9°F35.8°F48.9°F
April 2146.6°F48.6°F36.5°F48.6°F
April 2247.7°F48.7°F37.4°F48.7°F
April 2348.9°F48.6°F37.8°F48.9°F
April 2449.1°F49.5°F37.6°F49.8°F
April 2548.2°F49.1°F38.1°F49.1°F
April 2650.2°F47.8°F39.4°F50.2°F
April 2749.1°F48.4°F39.7°F50.9°F
April 2850.2°F48.9°F41.4°F50.2°F
April 2950.2°F48.6°F42.3°F50.2°F
April 3050.5°F48.4°F41.7°F50.5°F
Ashtabula water temp chart in April

Average water temperature in Ashtabula in April over a decade

20162017201820192020
41.7°F42.1°F38.3°F39.6°F43.5°F
20212022202320242025
45.3°F42.4°F43.5°F44.8°F43.5°F

Ashtabula sea state in April

Chart comparing the height of waves in Ashtabula in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Ashtabula in April

Ashtabula water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Conneaut41.4°F31.1°F51.8°F
Fairport Harbor41.9°F32.2°F51.8°F
Headlands Beach41.9°F32.2°F52°F
Presque Isle Bay40.6°F30.4°F52.5°F
Mentor on the Lake41.7°F32.4°F51.6°F
Port Bruce39.2°F31.6°F45.9°F
Port Burwell39.9°F32°F48°F
Long Point39.6°F32.2°F46.4°F
Euclid42.8°F32.5°F52.7°F
Port Stanley39.4°F31.3°F46.2°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Ashtabula is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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