Water temperature in Madang

This data the coastal Madang 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 Madang

Water temperature in Madang today is 29.3°C. Based on our historical data over a period of ten years, the warmest water in this day in Madang was recorded in 2022 and was 29.7°C, and the coldest was recorded in 2015 at 26.9°C. Sea water temperature in Madang is expected to drop to 28.6°C in the next 10 days. September average water temperature in Madang is 28.3°C, the minimum temperature is 26.8°C, and the maximum is 30.1°C.

The swimming season in Madang lasts from January to December, twelve months per year! During those months, Madang water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Madang in winter reaches 28.6°C, in spring 28.9°C, in summer the average temperature rises to 29.3°C, and in autumn it is 29.4°C.

Madang water temperature now

The sea salinity in Madang is 34.03‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Madang 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 Madang. 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 Madang. 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 Madang

Madang weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
25°C	24.4°C	24.1°C	27.4°C

12-15 h	15-18 h	18-21 h	21-24 h
29.7°C	29.3°C	27°C	25.7°C

Madang water temperature by month

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

The nearest beaches and cities from Madang 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
Finschhafen	28.8°C	27°C		0.51 m
Wewak	29.9°C	29°C		0.4 m
Kerema	27.6°C	26°C		0.96 m
Lorengau	30.4°C	29°C		0.33 m
Kandrian	28.8°C	28°C		0.53 m
Aitape	29.9°C	29°C		0.54 m
Kimbe	30.1°C	29°C		0.08 m
Daru	27.4°C	26°C		0.93 m
Kavieng	30.3°C	29°C		0.58 m
Jayapura	30.1°C	28°C		0.37 m

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Our report for Madang 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.