Sea weather in Port Moresby in Papua New Guinea All the beach weather in Port Moresby

All the essential weather information for enjoying the beach in Port Moresby in Papua New Guinea, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Port Moresby over the next 7 days?

Discover the best moment to go to the beach in Port Moresby in Papua New Guinea this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Port Moresby. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Friday 5 December 202579°F to 85°Fdiscouraged
Saturday 6 December 202579°F to 85°Frecommended
Sunday 7 December 202576°F to 81°Frecommended
Monday 8 December 202574°F to 83°Fnot recommended
Tuesday 9 December 202577°F to 83°Fdiscouraged
Wednesday 10 December 202577°F to 85°Frecommended
Thursday 11 December 202577°F to 85°Frecommended

Sea Weather: Your daily and hourly sea weather in Port Moresby

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 05:43 and will set at 18:21 on the beach(es) of Port Moresby. The outside temperature will be a high of 85°F t and a low of 79°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 18.6mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (80°F)26°C (80°F)28°C (82°F)29°C (84°F)29°C (83°F)28°C (82°F)27°C (80°F)
Perceived temperature31°C (88°F)30°C (87°F)30°C (86°F)32°C (90°F)33°C (91°F)33°C (91°F)32°C (90°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%84%87%80%73%75%79%87%
Barometric pressure1008 hPa1007 hPa1009 hPa1010 hPa1008 hPa1006 hPa1007 hPa1008 hPa
Cloud cover85%71%71%71%23%41%57%59%
Heat index31°C (88°F)30°C (87°F)30°C (86°F)32°C (90°F)33°C (91°F)33°C (91°F)32°C (90°F)31°C (87°F)
Dew point24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (76°F)
Wind
Speed10km/h (6mph)8km/h (5mph)12km/h (7mph)13km/h (8mph)21km/h (13mph)15km/h (10mph)3km/h (2mph)12km/h (7mph)
Gusts16km/h (10mph)12km/h (7mph)17km/h (11mph)18km/h (11mph)30km/h (18mph)22km/h (14mph)4km/h (3mph)18km/h (11mph)
Direction 100°
E
319°
NW
345°
NNW
339°
NNW
290°
WNW
278°
W
63°
ENE
93°
E
Wind chill27°C (81°F)27°C (80°F)26°C (80°F)28°C (82°F)29°C (84°F)29°C (83°F)28°C (82°F)27°C (80°F)
Waves
Height0.9m (2.9ft)0.9m (3.1ft)1.0m (3.4ft)1.2m (3.8ft)1.2m (4.0ft)1.3m (4.1ft)1.3m (4.2ft)1.3m (4.2ft)
Direction 145°
SE
150°
SSE
158°
SSE
162°
SSE
163°
SSE
166°
SSE
164°
SSE
161°
SSE
Period6.1 sec.6.5 sec.6.8 sec.7.3 sec.7.6 sec.8.2 sec.8.6 sec.8.7 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.9m (3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 05:43 and will set at 18:22 on the beach(es) of Port Moresby. The outside temperature will be a high of 85°F t and a low of 79°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 7.5mph km/h (with gusts up to 10.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (83°F)29°C (83°F)28°C (82°F)28°C (82°F)
Perceived temperature31°C (87°F)29°C (85°F)30°C (85°F)31°C (87°F)32°C (89°F)32°C (90°F)32°C (89°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%85%83%71%71%75%77%
Barometric pressure1007 hPa1006 hPa1007 hPa1008 hPa1007 hPa1005 hPa1006 hPa1008 hPa
Cloud cover54%74%73%80%48%33%77%78%
Heat index31°C (87°F)29°C (85°F)30°C (85°F)31°C (87°F)32°C (89°F)32°C (90°F)32°C (89°F)31°C (88°F)
Dew point24°C (75°F)23°C (74°F)24°C (74°F)24°C (75°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed7km/h (4mph)5km/h (3mph)5km/h (3mph)4km/h (3mph)10km/h (6mph)12km/h (8mph)8km/h (5mph)10km/h (6mph)
Gusts11km/h (7mph)7km/h (4mph)7km/h (4mph)6km/h (4mph)13km/h (8mph)17km/h (10mph)12km/h (7mph)16km/h (10mph)
Direction 128°
SE
64°
ENE
318°
NW
332°
NNW
242°
WSW
222°
SW
164°
SSE
129°
SE
Wind chill27°C (81°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (83°F)29°C (83°F)28°C (82°F)28°C (82°F)
Waves
Height1.2m (3.9ft)1.1m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.2ft)
Direction 158°
SSE
156°
SSE
154°
SSE
152°
SSE
152°
SSE
153°
SSE
154°
SSE
153°
SSE
Period8.6 sec.8.5 sec.8.3 sec.8.2 sec.8.2 sec.8.2 sec.8.3 sec.8.3 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 05:43 and will set at 18:22 on the beach(es) of Port Moresby. The outside temperature will be a high of 81°F t and a low of 76°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)26°C (79°F)26°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)
Perceived temperature31°C (88°F)29°C (85°F)29°C (84°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Precipitation0in0.1in0.1in0in0in0in0in0in
Humidity80%84%90%91%88%89%87%89%
Barometric pressure1007 hPa1006 hPa1007 hPa1008 hPa1007 hPa1006 hPa1007 hPa1009 hPa
Cloud cover46%56%68%77%63%51%70%70%
Heat index31°C (88°F)29°C (85°F)29°C (84°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Dew point24°C (74°F)23°C (74°F)24°C (75°F)24°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed10km/h (6mph)7km/h (4mph)13km/h (8mph)1km/h (0mph)2km/h (1mph)2km/h (1mph)10km/h (6mph)15km/h (10mph)
Gusts15km/h (9mph)11km/h (7mph)21km/h (13mph)1km/h (1mph)3km/h (2mph)3km/h (2mph)15km/h (9mph)22km/h (14mph)
Direction 118°
ESE
42°
NE
308°
NW
250°
WSW
70°
ENE
357°
N
339°
NNW
340°
NNW
Wind chill27°C (81°F)26°C (79°F)26°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)
Waves
Height0.9m (3.1ft)0.9m (2.9ft)0.8m (2.7ft)0.7m (2.5ft)0.7m (2.3ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)
Direction 153°
SSE
151°
SSE
150°
SSE
148°
SSE
146°
SSE
146°
SE
146°
SE
147°
SSE
Period8.2 sec.8.0 sec.7.9 sec.7.8 sec.7.8 sec.7.7 sec.7.6 sec.7.5 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 05:44 and will set at 18:23 on the beach(es) of Port Moresby. The outside temperature will be a high of 83°F t and a low of 74°F. Precipitation is in the forecast (0.8in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 26.7mph km/h (with gusts up to 29.2mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (76°F)25°C (76°F)27°C (81°F)26°C (79°F)25°C (76°F)23°C (74°F)24°C (75°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (81°F)30°C (87°F)29°C (85°F)27°C (81°F)26°C (78°F)26°C (79°F)
Precipitation0.1in0in0in0in0.1in0.1in0.4in0in
Humidity94%91%89%80%84%91%93%91%
Barometric pressure1008 hPa1005 hPa1006 hPa1006 hPa1005 hPa1004 hPa1006 hPa1009 hPa
Cloud cover90%68%37%70%65%100%100%85%
Heat index27°C (81°F)27°C (80°F)27°C (81°F)30°C (87°F)29°C (85°F)27°C (81°F)26°C (78°F)26°C (79°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)22°C (72°F)22°C (72°F)
Wind
Speed17km/h (11mph)15km/h (9mph)14km/h (9mph)32km/h (20mph)43km/h (27mph)37km/h (23mph)24km/h (15mph)30km/h (18mph)
Gusts23km/h (15mph)21km/h (13mph)20km/h (12mph)42km/h (26mph)44km/h (27mph)42km/h (26mph)36km/h (22mph)47km/h (29mph)
Direction 355°
N
359°
N

N
331°
NNW
318°
NW
345°
NNW
356°
N
339°
NNW
Wind chill24°C (76°F)24°C (76°F)25°C (76°F)27°C (81°F)26°C (79°F)25°C (76°F)23°C (74°F)24°C (75°F)
Waves
Height0.6m (2.0ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.6m (1.9ft)
Direction 147°
SSE
146°
SSE
145°
SE
144°
SE
143°
SE
143°
SE
143°
SE
143°
SE
Period7.5 sec.7.4 sec.7.4 sec.7.4 sec.7.5 sec.7.6 sec.7.7 sec.7.7 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 05:44 and will set at 18:23 on the beach(es) of Port Moresby. The outside temperature will be a high of 83°F t and a low of 77°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 24.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (77°F)26°C (78°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (80°F)26°C (79°F)
Perceived temperature27°C (80°F)27°C (81°F)28°C (82°F)31°C (87°F)30°C (86°F)30°C (86°F)29°C (85°F)29°C (83°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity86%82%78%71%69%74%77%78%
Barometric pressure1008 hPa1006 hPa1007 hPa1009 hPa1008 hPa1006 hPa1007 hPa1009 hPa
Cloud cover85%39%70%88%82%72%79%74%
Heat index27°C (80°F)27°C (81°F)28°C (82°F)31°C (87°F)30°C (86°F)30°C (86°F)29°C (85°F)29°C (83°F)
Dew point22°C (72°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (71°F)
Wind
Speed19km/h (12mph)18km/h (11mph)20km/h (12mph)22km/h (14mph)27km/h (17mph)26km/h (16mph)21km/h (13mph)15km/h (9mph)
Gusts28km/h (17mph)27km/h (17mph)30km/h (19mph)28km/h (18mph)39km/h (24mph)29km/h (18mph)34km/h (21mph)30km/h (18mph)
Direction 341°
NNW
324°
NW
315°
NW
314°
NW
309°
NW
299°
WNW
291°
WNW
314°
NW
Wind chill25°C (76°F)25°C (77°F)26°C (78°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (80°F)26°C (79°F)
Waves
Height0.6m (2.1ft)0.7m (2.5ft)0.8m (2.7ft)1.3m (4.3ft)0.9m (2.8ft)0.8m (2.5ft)0.7m (2.3ft)0.6m (2.1ft)
Direction 143°
SE
260°
W
262°
W
280°
W
255°
WSW
256°
WSW
265°
W
271°
W
Period7.6 sec.5.2 sec.5.6 sec.6.8 sec.5.0 sec.4.9 sec.5.0 sec.5.0 sec.
Significant height0.7m (2.3ft)0.3m (1ft)0.5m (1.6ft)0.3m (1ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 05:44 and will set at 18:24 on the beach(es) of Port Moresby. The outside temperature will be a high of 85°F t and a low of 77°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 11.8mph km/h (with gusts up to 15.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)28°C (83°F)29°C (84°F)27°C (81°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (80°F)29°C (84°F)31°C (87°F)31°C (89°F)30°C (86°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%83%82%72%64%64%72%78%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1009 hPa1007 hPa1008 hPa1009 hPa
Cloud cover29%32%24%25%41%56%50%44%
Heat index28°C (82°F)27°C (81°F)27°C (80°F)29°C (84°F)31°C (87°F)31°C (89°F)30°C (86°F)29°C (83°F)
Dew point22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)
Wind
Speed14km/h (9mph)13km/h (8mph)12km/h (8mph)14km/h (9mph)19km/h (12mph)18km/h (11mph)9km/h (6mph)4km/h (2mph)
Gusts22km/h (14mph)20km/h (13mph)18km/h (11mph)19km/h (12mph)25km/h (16mph)24km/h (15mph)13km/h (8mph)6km/h (4mph)
Direction 344°
NNW
351°
N
354°
N
331°
NNW
296°
WNW
271°
W
232°
SW
110°
ESE
Wind chill26°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)28°C (83°F)29°C (84°F)27°C (81°F)26°C (79°F)
Waves
Height0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 186°
S
142°
SE
142°
SE
141°
SE
142°
SE
142°
SE
142°
SE
142°
SE
Period4.8 sec.6.7 sec.8.1 sec.8.3 sec.8.1 sec.7.6 sec.7.4 sec.7.7 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 05:45 and will set at 18:24 on the beach(es) of Port Moresby. The outside temperature will be a high of 85°F t and a low of 77°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 6.8mph km/h (with gusts up to 13.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (82°F)27°C (81°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)30°C (85°F)28°C (83°F)30°C (86°F)30°C (86°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%83%82%72%65%63%66%71%
Barometric pressure1008 hPa1006 hPa1007 hPa1008 hPa1007 hPa1006 hPa1006 hPa1008 hPa
Cloud cover31%26%27%22%16%16%14%13%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)30°C (85°F)28°C (83°F)30°C (86°F)30°C (86°F)30°C (85°F)
Dew point22°C (72°F)22°C (71°F)22°C (71°F)22°C (71°F)19°C (67°F)20°C (68°F)21°C (70°F)22°C (71°F)
Wind
Speed5km/h (3mph)7km/h (4mph)6km/h (4mph)6km/h (4mph)11km/h (7mph)11km/h (7mph)6km/h (4mph)4km/h (2mph)
Gusts8km/h (5mph)11km/h (7mph)10km/h (6mph)9km/h (5mph)21km/h (13mph)19km/h (12mph)9km/h (6mph)7km/h (4mph)
Direction 35°
NE
25°
NNE
25°
NNE
206°
SSW
267°
W
244°
WSW
211°
SSW
135°
SE
Wind chill26°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (82°F)27°C (81°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 142°
SE
144°
SE
146°
SSE
148°
SSE
150°
SSE
145°
SE
143°
SE
144°
SE
Period7.9 sec.7.7 sec.7.5 sec.7.2 sec.7.0 sec.6.0 sec.7.0 sec.7.8 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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