This data the coastal Pekalongan 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.
Water temperature in Pekalongan today is 30°C. Based on our historical data over a period of ten years, the warmest water in this day in Pekalongan was recorded in 2016 and was 30.1°C, and the coldest was recorded in 2007 at 28.3°C. Sea water temperature in Pekalongan is expected to drop to 28.8°C in the next 10 days. September average water temperature in Pekalongan is 29°C, the minimum temperature is 27.9°C, and the maximum is 30.5°C.
The swimming season in Pekalongan lasts from January to December, twelve months per year! During those months, Pekalongan water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Pekalongan in winter reaches 29.2°C, in spring 29.7°C, in summer the average temperature rises to 29.3°C, and in autumn it is 29.5°C.
5 September 2025 |
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today temp |
30°C |
4 September 2025 |
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yesterday temp |
29.3°C |
The sea salinity in Pekalongan is 31.59‰, and the average salinity of the World Ocean is 35‰.
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 Pekalongan. 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 Pekalongan. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
1' 2" | 1' 1" | 1' 1" | 1' 1" |
0.35 m | 0.33 m | 0.34 m | 0.34 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 1" | 1' 1" | 1' 1" | 1' 0" |
0.33 m | 0.34 m | 0.32 m | 0.3 m |
Data in a table show Pekalongan temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Pekalongan.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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![]() | ![]() | ![]() | ![]() |
25.8°C | 25.1°C | 24.7°C | 27.5°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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29.5°C | 29.8°C | 28°C | 25.8°C |
You may also be interested in other sections of our site for Pekalongan: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Pekalongan. 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 Pekalongan 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
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 29.1°C | 27.7°C | 30.7°C | hot |
Sea water temperature in Pekalongan in January | ||||
February | 28.7°C | 27.3°C | 30.5°C | hot |
Sea water temperature in Pekalongan in February | ||||
March | 29.2°C | 27.7°C | 30.5°C | hot |
Sea water temperature in Pekalongan in March | ||||
April | 29.9°C | 28.4°C | 30.8°C | hot |
Sea water temperature in Pekalongan in April | ||||
May | 29.9°C | 28.5°C | 31°C | hot |
Sea water temperature in Pekalongan in May | ||||
June | 29.7°C | 28.1°C | 30.8°C | hot |
Sea water temperature in Pekalongan in June | ||||
July | 29.2°C | 27.6°C | 30.4°C | hot |
Sea water temperature in Pekalongan in July | ||||
August | 28.9°C | 27.5°C | 30.5°C | hot |
Sea water temperature in Pekalongan in August | ||||
September | 29°C | 27.9°C | 30.5°C | hot |
Sea water temperature in Pekalongan in September | ||||
October | 29.4°C | 27.9°C | 31.1°C | hot |
Sea water temperature in Pekalongan in October | ||||
November | 30°C | 29°C | 31.1°C | hot |
Sea water temperature in Pekalongan in November | ||||
December | 29.7°C | 28.7°C | 31°C | hot |
Sea water temperature in Pekalongan in December |