World sea water temperatures

Water temperature in Port Oneida (MI) in May

Is it warm enough to swim in Port Oneida in May? Average water temperature in Port Oneida in May is 42.6°F and therefore is not suitable for comfortable swimming. The warmest water in Port Oneida in May is 54.9°F, and the coldest is 34.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Oneida

Changes water temperature in Port Oneida in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 139.7°F45.7°F34.5°F45.7°F
May 239.7°F43.2°F35.1°F43.2°F
May 339.2°F45.5°F35.2°F45.5°F
May 440.1°F44.1°F36°F44.1°F
May 540.6°F46.6°F34.9°F46.6°F
May 640.1°F46.8°F35.2°F46.8°F
May 742.1°F46.4°F37°F46.4°F
May 841.2°F46.6°F37.8°F46.6°F
May 941.5°F47.1°F36.1°F47.1°F
May 1041.9°F46.9°F37°F46.9°F
May 1141.2°F47.5°F37.2°F47.5°F
May 1242.4°F47.5°F37.2°F47.5°F
May 1341.7°F48.4°F36.3°F48.4°F
May 1439.9°F48.4°F36.7°F48.4°F
May 1540.5°F48.9°F36°F48.9°F
Day 2025 2024 Min Max
May 1639.9°F48.9°F36.1°F48.9°F
May 1740.3°F50.2°F36.7°F50.2°F
May 1840.8°F50.9°F37°F50.9°F
May 1943.3°F52.5°F38.3°F52.5°F
May 2042.8°F51.6°F38.7°F51.6°F
May 2143°F51.4°F39.2°F51.4°F
May 2243.5°F52.2°F40.1°F52.2°F
May 2343.7°F50.2°F40.1°F50.5°F
May 2443.9°F51.4°F38.7°F51.4°F
May 2543°F53.2°F37.2°F53.2°F
May 2644.2°F53.1°F38.1°F53.1°F
May 2744.6°F52.2°F39.7°F52.2°F
May 2844.4°F52.7°F39.2°F52.7°F
May 2944.2°F53.8°F39.9°F53.8°F
May 3043.9°F54.9°F41.5°F54.9°F
May 3144.8°F54.5°F42.4°F54.5°F
Port Oneida water temp chart in May

Average water temperature in Port Oneida in May over a decade

20162017201820192020
44.6°F42.8°F40.5°F39.4°F40.8°F
20212022202320242025
43.9°F42.4°F43°F49.5°F42.1°F

Port Oneida sea state in May

Chart comparing the height of waves in Port Oneida in May 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 Port Oneida in May

Port Oneida 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Christmas Cove41°F34.3°F54°F
Traverse City42.4°F35.4°F55°F
Acme42.3°F35.4°F55.2°F
East Bay42.3°F35.4°F55.2°F
Grand Traverse Bay41.7°F34.9°F54.5°F
Arcadia43°F35.1°F55.6°F
Fisherman Island40.3°F32.7°F52.9°F
Pierport43.3°F34.9°F55°F
Charlevoix40.1°F32.7°F52.9°F
Washington Island41.2°F35.1°F53.8°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 Port Oneida 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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