Location & Surroundings
Mamaisum is a settlement in East Sepik Province, Papua New Guinea, at 301 m elevation. The nearest larger town is Aitape, 67 km to the northwest. The national capital Port Moresby is about 815 km to the southeast. The nearest airport is Hayfields Airport, 34 km away.
Also known as: Namaisum
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
3° 33' 30" S, 142° 47' 3" E
- Elevation DEM: 301 m
- Timezone Pacific/Port_Moresby
- Time Shift GMT 10 (DST 10)
Statistics & Country
- Pop. Density 475 p/km²
- Built-up 0.7%
- Settlement Suburban / peri-urban
- Currency Kina (PGK)
- Phone Prefix +675
Sun & Local Time
- Local time 07:57
- Sunrise 06:17
- Sunset 18:26
- Day length 12 h 8 min
Other populated places nearby
Alternate Names
Weather in Mamaisum
Current conditions and a 3-day (72-hour) weather forecast for Mamaisum, updated from the NOAA GFS model.
Now 22.7 C with partly cloudy skies and a 1.4 m/s northerly wind. Next 24h: 21.6 to 27.8 C, max wind 2.1 m/s. Precip around 1.4 mm. Solar peaks near 645 W/m2.
Temperature
22.7 C
Wind
1.4 m/s N (12 deg)
Humidity
96 %
Pressure
1,013.3 hPa
Clouds
46 %
Precip
1.42 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 22.7 | 1.4 | 12 | 96 | 1,013.3 | - / 0.00 | 46 | 0.0 | n/a |
| 6h | 21.6 | 0.5 | 46 | 98 | 1,012.2 | 0.78 / 0.78 | 68 | 0.0 | n/a |
| 12h | 27.8 | 1.4 | 121 | 68 | 1,014.7 | 0.00 / 0.68 | 51 | 220.9 | n/a |
| 18h | 25.5 | 2.1 | 1 | 89 | 1,009.5 | 2.37 / 3.05 | 100 | 645.4 | n/a |
| Tomorrow | 22.2 | 1.1 | 16 | 97 | 1,014.2 | 0.00 / 1.42 | 100 | 54.7 | n/a |
| 30h | 21.5 | 0.3 | 22 | 99 | 1,012.4 | 0.69 / 2.11 | 43 | 0.0 | n/a |
| 36h | 25.9 | 1.4 | 134 | 82 | 1,015.0 | 0.00 / 2.03 | 36 | 210.6 | n/a |
| 42h | 24.7 | 0.7 | 327 | 95 | 1,011.0 | 5.30 / 7.33 | 97 | 601.3 | n/a |
| Wednesday | 22.2 | 0.8 | 18 | 99 | 1,014.8 | 0.00 / 3.24 | 53 | 23.1 | n/a |
| 54h | 21.2 | 0.3 | 184 | 100 | 1,012.8 | 1.88 / 5.13 | 72 | 0.0 | n/a |
| 60h | 26.2 | 0.7 | 115 | 81 | 1,014.7 | 0.00 / 0.78 | 79 | 186.3 | n/a |
| 66h | 26.8 | 1.3 | 9 | 80 | 1,009.8 | 3.12 / 3.90 | 39 | 695.1 | n/a |
| Thursday | 21.9 | 1.1 | 29 | 99 | 1,013.8 | 0.00 / 1.03 | 30 | 78.8 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-21 12:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Mamaisum?
Now 22.7 C with partly cloudy skies and a 1.4 m/s northerly wind. Next 24h: 21.6 to 27.8 C, max wind 2.1 m/s. Precip around 1.4 mm. Solar peaks near 645 W/m2.
Is precipitation expected in the next 24 hours?
Around 1.4 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Mamaisum today?
Sunrise around 06:17 and sunset around 18:26 (local time). Day length about 12h 09m.
What is the local time in Mamaisum?
Local time is 07:57. Time zone: Pacific/Port_Moresby (UTC+10:00).
What type of place is Mamaisum?
Mamaisum is a populated place.
What is the elevation of Mamaisum?
DEM 301 m.
Where is Mamaisum located?
It is at -3.55837, 142.78415 (latitude, longitude).
Which country is Mamaisum in?
It is in Papua New Guinea.