All data are in degrees Fahrenheit

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Water temperature in Port Moresby

Detailed information about the current water temperature in Port Moresby. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Port Moresby now

86.8

°F

December 18, 02:38

Trend:

stable

Yesterday:

86.5°F

Tomorrow:

86.8°F

Sunrise:

05:47

Sunset:

18:28

Day Length:

12 h. 41 min.

Port Moresby in December

Minimum:

83.9°F

Average:

85.4°F

Maximum:

86.9°F

Sea water temperature in Port Moresby today

As of now, in Port Moresby, the water temperature is 86.8°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.1°F on 2021, while the historical minimum was 83.9°F on 2015.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 87.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Port Moresby

Date Current Year

actual* / forecast**

last year 10 years average
Dec 4 86.5°F 86.0°F 84.8°F
Dec 5 86.2°F 85.9°F 84.7°F
Dec 6 86.1°F 85.7°F 84.7°F
Dec 7 86.1°F 85.9°F 84.7°F
Dec 8 85.9°F 85.7°F 84.5°F
Dec 9 85.4°F 85.5°F 84.4°F
Dec 10 84.8°F 85.5°F 84.4°F
Dec 11 85.0°F 85.4°F 84.4°F
Dec 12 85.1°F 87.0°F 84.7°F
Dec 13 85.7°F 86.6°F 84.5°F
Dec 14 86.1°F 86.3°F 84.7°F
Dec 15 85.7°F 86.3°F 84.8°F
Dec 16 85.5°F 86.2°F 84.8°F
Dec 17 86.5°F 85.8°F 84.9°F
Dec 18 86.8°F 85.7°F 85.2°F
Dec 19 86.8°F 85.5°F 85.1°F
Dec 20 86.8°F 85.2°F 85.2°F
Dec 21 87.2°F 86.2°F 85.5°F
Dec 22 87.1°F 85.8°F 85.4°F
Dec 23 87.0°F 86.2°F 85.3°F
Dec 24 87.1°F 85.7°F 85.4°F
Dec 25 87.0°F 85.5°F 85.3°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Port Moresby by month

In Port Moresby, the water temperature is comfortable for swimming all year round.
The warmest water in Port Moresby was recorded on March 17, 2016, reaching a 88.7°F. While the coldest temperature occurred on September 13, 2015, dipping to 75.9°F. The average readings by season are 85.2°F in Winter, 84.5°F in Spring, 79.9°F in Summer, and 80.9°F in Autumn.