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

78.0

°F

September 8, 13:58

Trend:

stable

Yesterday:

77.8°F

Tomorrow:

77.8°F

Sunrise:

06:10

Sunset:

18:09

Day Length:

11 h. 59 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 78.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°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 fall 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 83.6°F on 2022, while the historical minimum was 77.0°F on 2019.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 77.7°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
Aug 25 78.0°F 79.8°F 78.8°F
Aug 26 78.3°F 80.2°F 78.7°F
Aug 27 78.1°F 79.7°F 78.7°F
Aug 28 78.5°F 79.8°F 78.6°F
Aug 29 78.9°F 79.6°F 78.6°F
Aug 30 78.3°F 79.5°F 78.6°F
Aug 31 78.1°F 79.5°F 78.6°F
Sep 1 78.7°F 79.3°F 78.7°F
Sep 2 78.1°F 79.2°F 79.0°F
Sep 3 78.3°F 79.6°F 79.1°F
Sep 4 78.4°F 80.1°F 79.3°F
Sep 5 78.0°F 80.5°F 79.3°F
Sep 6 78.2°F 80.7°F 79.3°F
Sep 7 77.8°F 80.5°F 79.2°F
Sep 8 78.0°F 80.3°F 79.5°F
Sep 9 77.8°F 79.5°F 79.3°F
Sep 10 77.8°F 79.7°F 79.3°F
Sep 11 77.8°F 79.7°F 79.3°F
Sep 12 77.7°F 79.6°F 79.2°F
Sep 13 77.6°F 79.5°F 79.1°F
Sep 14 77.6°F 79.4°F 79.1°F
Sep 15 77.5°F 79.4°F 79.0°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.