World sea water temperatures

Alpena water temp

This data the coastal Alpena 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.

Current water temperature in Alpena

Water temperature in Alpena today is 64°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Huron near Alpena was recorded in 2012 and was 70.3°F, and the coldest was recorded in 2019 at 59.5°F. Water temperature in Alpena is expected to rise to 64.4°F in the next 10 days. September average water temperature in Alpena is 64.2°F, the minimum temperature is 55°F, and the maximum is 71.6°F.

The swimming season in Alpena lasts from July to August. During those months, Alpena water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Alpena in winter reaches 35.4°F, in spring 39.4°F, in summer the average temperature rises to 64.6°F, and in autumn it is 55.4°F.

Alpena water temperature now


September 5, 2025
today temp
64°F
September 4, 2025
yesterday temp
66°F


Surf Forecast in Alpena for today

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 Alpena. 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 Alpena. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
0' 10"1' 2"1' 11"3' 8"
0.25 m0.35 m0.59 m1.13 m
12-15 h15-18 h18-21 h21-24 h
4' 1"3' 9"3' 0"2' 4"
1.24 m1.15 m0.92 m0.7 m

Surf report in Alpena

Alpena wave height and direction

Alpena weather forecast

Alpena wind speed and direction

Current temperature and weather

Data in a table show Alpena temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Alpena.

0-3 h3-6 h6-9 h9-12 h
56.1°F55.4°F55.9°F57.7°F
12-15 h15-18 h18-21 h21-24 h
60.1°F60.1°F58.6°F56.5°F

You may also be interested in other sections of our site for Alpena: Sunrise and Sunset, Tides

Alpena water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Alpena. 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 Alpena 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

MonthAvrMinMax
January34.5°F30.2°F38.3°Fcold
Water temperature in Alpena in January
February32.7°F30.2°F35.6°Fcold
Water temperature in Alpena in February
March33.6°F30.7°F38.3°Fcold
Water temperature in Alpena in March
April37.8°F31.8°F49.1°Fcold
Water temperature in Alpena in April
May46.8°F36.3°F57.9°Fcold
Water temperature in Alpena in May
June57.6°F49.3°F67.1°Fcold
Water temperature in Alpena in June
July67.1°F58.8°F74.5°Fcold
Water temperature in Alpena in July
August69.3°F61.7°F75.7°Fwarm
Water temperature in Alpena in August
September64.2°F55°F71.6°Fcold
Water temperature in Alpena in September
October55.4°F47.8°F66.4°Fcold
Water temperature in Alpena in October
November46.8°F38.3°F55.4°Fcold
Water temperature in Alpena in November
December39.2°F31.8°F45.7°Fcold
Water temperature in Alpena in December

Chart monthly average water temperature in Alpena

Water temperature in Alpena

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

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

Nearby beaches and cities

The nearest beaches and cities from Alpena with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
Thunder Bay64°F60.8°F2' 4"
Ossineke64.6°F60.8°F2' 4"
Black River65.5°F62.6°F2' 10"
Harbor View66.2°F59°F2' 9"
Presque Isle Harbor66.2°F59°F2' 9"
Alcona65.8°F60.8°F2' 2"
Rogers City65.7°F59°F2' 2"
Manitou Beach65.5°F59°F2' 4"
Evergreen Beach65.8°F57.2°F2' 0"
Oscoda66.7°F64.4°F2' 2"

Michigan photo gallery

  • South end in the mouth of Lake Erie taken from Amherst Point Canada
  • Presque Isle sunset
  • Lake Michigan,  South Haven beach
  • Sunset at the Pier in New Buffalo

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

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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 Alpena 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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