Water temperature in Merauke

This data the coastal Merauke sea 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 sea temperature in Merauke

Water temperature in Merauke today is 27.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Merauke was recorded in 2022 and was 29°C, and the coldest was recorded in 2019 at 25.9°C. Sea water temperature in Merauke is expected to drop to 27.4°C in the next 10 days. September average water temperature in Merauke is 26.7°C, the minimum temperature is 24.8°C, and the maximum is 29°C.

The swimming season in Merauke lasts from January to December, twelve months per year! During those months, Merauke water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Merauke in winter reaches 29.6°C, in spring 29.1°C, in summer the average temperature rises to 26.4°C, and in autumn it is 27.8°C.

Merauke water temperature now

Surf Forecast in Merauke 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 Merauke. 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 Merauke. Data in table shown for 25 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Merauke

Merauke weather forecast

Current temperature and weather

Data in a table show Merauke temperature today (25 September 2025). For more information and forecast for a few days, go to the weather forecast Merauke.

0-3 h	3-6 h	6-9 h	9-12 h
25.5°C	25.3°C	25.2°C	27.4°C

12-15 h	15-18 h	18-21 h	21-24 h
29.7°C	28.9°C	27.1°C	26.1°C

Merauke water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Merauke. 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 Merauke 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

Chart monthly average water temperature in Merauke

The nearest beaches and cities from Merauke 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

	Water	Weather		Wave
Madang	29.3°C	29°C		0.46 m
Port Moresby	27°C	28°C		2.17 m
Finschhafen	28.8°C	27°C		0.51 m
Lizard Island	26°C	27°C		1.18 m
Tual	28.3°C	26°C		0.49 m
Kaimana	28.7°C	26°C		0.51 m
Cooktown	25.7°C	27°C		1.14 m
Insrom	29.9°C	27°C		0.19 m
Karumba	26.1°C	35°C		0.19 m
Saumlaki	27.8°C	28°C		1.03 m

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Our report for Merauke 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.