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

77.9

°F

September 22, 17:36

Trend:

increasing

Yesterday:

77.7°F

Tomorrow:

78.1°F

Sunrise:

06:01

Sunset:

18:07

Day Length:

12 h. 6 min.

Port Moresby in September

Minimum:

84.0°F

Average:

85.5°F

Maximum:

87.0°F

Sea water temperature in Port Moresby today

As of now, in Port Moresby, the water temperature is 77.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.6°F lower 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 82.7°F on 2022, while the historical minimum was 77.3°F on 2018.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 78.2°F, with minimum temperature starting at 78.0°F, while the maximum might reach 78.5°F.

Daily water temperature in Port Moresby

Date Current Year

actual* / forecast**

last year 10 years average
Sep 8 78.3°F 80.3°F 79.4°F
Sep 9 78.6°F 79.5°F 79.2°F
Sep 10 78.6°F 79.7°F 79.2°F
Sep 11 78.2°F 79.7°F 79.2°F
Sep 12 78.3°F 79.6°F 79.1°F
Sep 13 78.4°F 79.5°F 79.0°F
Sep 14 78.2°F 79.4°F 79.0°F
Sep 15 78.4°F 79.4°F 78.9°F
Sep 16 77.8°F 79.8°F 78.9°F
Sep 17 77.7°F 80.2°F 78.8°F
Sep 18 78.0°F 80.7°F 79.0°F
Sep 19 77.1°F 81.4°F 79.1°F
Sep 20 77.8°F 81.3°F 79.2°F
Sep 21 77.7°F 81.5°F 79.3°F
Sep 22 77.9°F 81.4°F 79.5°F
Sep 23 78.1°F 81.3°F 79.7°F
Sep 24 78.0°F 81.1°F 79.7°F
Sep 25 78.1°F 80.9°F 79.7°F
Sep 26 78.3°F 80.9°F 79.9°F
Sep 27 78.4°F 80.7°F 80.1°F
Sep 28 78.2°F 80.4°F 79.9°F
Sep 29 78.5°F 80.5°F 80.2°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 9, 2019, dipping to 76.8°F. The average readings by season are 85.4°F in Winter, 84.6°F in Spring, 80.0°F in Summer, and 81.1°F in Autumn.