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
Monday 15 December 202577°F to 83°Frecommended
Tuesday 16 December 202577°F to 85°Frecommended
Wednesday 17 December 202579°F to 85°Frecommended
Thursday 18 December 202579°F to 85°Frecommended
Friday 19 December 202577°F to 85°Frecommended
Saturday 20 December 202579°F to 85°Frecommended
Sunday 21 December 202579°F to 85°Frecommended

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

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:46 and will set at 18:27 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 (0.1in 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 8.7mph 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 (80°F)25°C (78°F)25°C (77°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (80°F)
Perceived temperature29°C (85°F)28°C (82°F)28°C (82°F)31°C (88°F)31°C (87°F)31°C (89°F)31°C (87°F)30°C (85°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity81%84%84%73%71%75%78%79%
Barometric pressure1007 hPa1006 hPa1008 hPa1008 hPa1007 hPa1006 hPa1007 hPa1008 hPa
Cloud cover85%71%81%21%79%87%79%74%
Heat index29°C (85°F)28°C (82°F)28°C (82°F)31°C (88°F)31°C (87°F)31°C (89°F)31°C (87°F)30°C (85°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed6km/h (4mph)4km/h (2mph)6km/h (4mph)8km/h (5mph)14km/h (9mph)14km/h (9mph)7km/h (4mph)4km/h (2mph)
Gusts10km/h (6mph)6km/h (4mph)10km/h (6mph)9km/h (6mph)21km/h (13mph)21km/h (13mph)11km/h (7mph)6km/h (4mph)
Direction 85°
E
25°
NNE
25°
NNE
347°
NNW
265°
W
280°
W
294°
WNW
23°
NNE
Wind chill26°C (80°F)25°C (78°F)25°C (77°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (80°F)
Waves
Height0.5m (1.8ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.5ft)
Direction 135°
SE
135°
SE
135°
SE
135°
SE
135°
SE
135°
SE
136°
SE
137°
SE
Period7.8 sec.7.8 sec.7.7 sec.7.6 sec.7.5 sec.7.4 sec.7.3 sec.7.2 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
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 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:47 and will set at 18:27 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 6.2mph km/h (with gusts up to 8.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)25°C (78°F)25°C (78°F)28°C (82°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (82°F)
Perceived temperature29°C (84°F)28°C (83°F)28°C (82°F)31°C (88°F)31°C (88°F)32°C (90°F)32°C (89°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%87%85%74%68%67%72%76%
Barometric pressure1007 hPa1006 hPa1007 hPa1008 hPa1007 hPa1005 hPa1006 hPa1008 hPa
Cloud cover77%54%73%41%37%24%81%26%
Heat index29°C (84°F)28°C (83°F)28°C (82°F)31°C (88°F)31°C (88°F)32°C (90°F)32°C (89°F)31°C (88°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed7km/h (4mph)7km/h (4mph)8km/h (5mph)3km/h (2mph)10km/h (6mph)10km/h (6mph)9km/h (5mph)8km/h (5mph)
Gusts11km/h (7mph)11km/h (7mph)13km/h (8mph)3km/h (2mph)14km/h (9mph)14km/h (9mph)13km/h (8mph)12km/h (7mph)
Direction 31°
NNE
29°
NNE
41°
NE
343°
NNW
256°
WSW
237°
WSW
180°
S
126°
SE
Wind chill26°C (79°F)25°C (78°F)25°C (78°F)28°C (82°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (82°F)
Waves
Height0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)
Direction 137°
SE
137°
SE
137°
SE
137°
SE
137°
SE
137°
SE
138°
SE
137°
SE
Period7.1 sec.7.0 sec.7.0 sec.6.8 sec.9.6 sec.7.8 sec.7.6 sec.7.2 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)
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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:47 and will set at 18:28 on the beach(es) of Port Moresby. The outside temperature will be a high of 85°F t and a low of 79°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 10.6mph km/h (with gusts up to 16.8mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)26°C (79°F)28°C (82°F)28°C (83°F)29°C (84°F)28°C (83°F)26°C (79°F)
Perceived temperature30°C (86°F)30°C (85°F)29°C (85°F)31°C (88°F)32°C (89°F)33°C (92°F)33°C (91°F)30°C (86°F)
Precipitation0in0in0.1in0in0in0in0.1in0in
Humidity83%83%84%78%70%71%80%87%
Barometric pressure1007 hPa1006 hPa1008 hPa1008 hPa1006 hPa1004 hPa1005 hPa1007 hPa
Cloud cover89%28%80%33%22%25%75%64%
Heat index30°C (86°F)30°C (85°F)29°C (85°F)31°C (88°F)32°C (89°F)33°C (92°F)33°C (91°F)30°C (86°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)22°C (72°F)23°C (74°F)24°C (76°F)24°C (75°F)
Wind
Speed8km/h (5mph)8km/h (5mph)8km/h (5mph)5km/h (3mph)9km/h (6mph)14km/h (9mph)17km/h (11mph)10km/h (6mph)
Gusts12km/h (8mph)13km/h (8mph)13km/h (8mph)7km/h (4mph)13km/h (8mph)19km/h (12mph)27km/h (17mph)17km/h (10mph)
Direction 94°
E
113°
ESE
107°
ESE
96°
E
210°
SSW
177°
S
136°
SE
51°
NE
Wind chill27°C (80°F)26°C (80°F)26°C (79°F)28°C (82°F)28°C (83°F)29°C (84°F)28°C (83°F)26°C (79°F)
Waves
Height0.4m (1.2ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.4ft)0.5m (1.5ft)0.7m (2.2ft)1.0m (3.2ft)0.9m (3.1ft)
Direction 137°
SE
137°
SE
138°
SE
136°
SE
136°
SE
149°
SSE
148°
SSE
145°
SE
Period7.2 sec.8.9 sec.8.8 sec.3.6 sec.7.3 sec.8.4 sec.8.4 sec.5.3 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.6m (2ft)0.8m (2.6ft)1.3m (4.3ft)1.3m (4.3ft)
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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:48 and will set at 18:28 on the beach(es) of Port Moresby. The outside temperature will be a high of 85°F t and a low of 79°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 6.8mph km/h (with gusts up to 9.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (82°F)29°C (84°F)28°C (82°F)27°C (80°F)
Perceived temperature30°C (85°F)29°C (84°F)29°C (84°F)31°C (88°F)31°C (88°F)33°C (91°F)32°C (89°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity83%85%87%79%75%74%81%82%
Barometric pressure1007 hPa1005 hPa1006 hPa1007 hPa1006 hPa1004 hPa1005 hPa1007 hPa
Cloud cover67%56%71%40%27%36%83%88%
Heat index30°C (85°F)29°C (84°F)29°C (84°F)31°C (88°F)31°C (88°F)33°C (91°F)32°C (89°F)30°C (87°F)
Dew point23°C (74°F)23°C (74°F)24°C (74°F)23°C (74°F)23°C (73°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed5km/h (3mph)10km/h (6mph)9km/h (6mph)3km/h (2mph)8km/h (5mph)11km/h (7mph)5km/h (3mph)1km/h (1mph)
Gusts7km/h (5mph)15km/h (9mph)14km/h (9mph)4km/h (3mph)11km/h (7mph)15km/h (10mph)9km/h (5mph)3km/h (2mph)
Direction 62°
ENE
355°
N
18°
NNE
34°
NNE
268°
W
278°
W
269°
W
183°
S
Wind chill26°C (80°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (82°F)29°C (84°F)28°C (82°F)27°C (80°F)
Waves
Height0.8m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.8ft)0.8m (2.6ft)0.7m (2.5ft)0.8m (2.5ft)0.8m (2.6ft)
Direction 146°
SE
147°
SSE
147°
SSE
145°
SE
145°
SE
145°
SE
146°
SSE
146°
SSE
Period5.7 sec.6.0 sec.6.3 sec.6.7 sec.6.8 sec.6.8 sec.7.0 sec.7.1 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:48 and will set at 18:29 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 9.3mph km/h (with gusts up to 14.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (80°F)26°C (79°F)28°C (82°F)25°C (78°F)29°C (84°F)28°C (83°F)28°C (82°F)
Perceived temperature30°C (87°F)30°C (86°F)29°C (85°F)32°C (89°F)27°C (81°F)33°C (91°F)33°C (91°F)31°C (89°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%84%85%77%71%71%76%80%
Barometric pressure1006 hPa1005 hPa1007 hPa1007 hPa1006 hPa1004 hPa1005 hPa1007 hPa
Cloud cover55%55%53%19%10%26%63%48%
Heat index30°C (87°F)30°C (86°F)29°C (85°F)32°C (89°F)27°C (81°F)33°C (91°F)33°C (91°F)31°C (89°F)
Dew point23°C (74°F)24°C (74°F)23°C (74°F)24°C (74°F)20°C (68°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed5km/h (3mph)11km/h (7mph)10km/h (6mph)6km/h (4mph)12km/h (7mph)15km/h (9mph)9km/h (6mph)10km/h (6mph)
Gusts7km/h (5mph)18km/h (11mph)14km/h (9mph)8km/h (5mph)24km/h (15mph)21km/h (13mph)13km/h (8mph)16km/h (10mph)
Direction 33°
NNE
338°
NNW
356°
N
342°
NNW
252°
WSW
232°
SW
169°
S
122°
ESE
Wind chill27°C (81°F)27°C (80°F)26°C (79°F)28°C (82°F)25°C (78°F)29°C (84°F)28°C (83°F)28°C (82°F)
Waves
Height0.8m (2.8ft)0.9m (3.0ft)0.9m (3.1ft)1.0m (3.3ft)0.8m (2.8ft)0.8m (2.8ft)0.9m (3.0ft)1.0m (3.3ft)
Direction 148°
SSE
148°
SSE
147°
SSE
146°
SSE
154°
SSE
154°
SSE
154°
SSE
154°
SSE
Period7.2 sec.7.2 sec.7.4 sec.7.5 sec.7.0 sec.7.0 sec.8.5 sec.9.0 sec.
Significant height1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.2m (3.9ft)1.3m (4.3ft)1.0m (3.3ft)0.8m (2.6ft)
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 Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 05:49 and will set at 18:29 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 8.1mph km/h (with gusts up to 14.9mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (80°F)27°C (80°F)28°C (83°F)27°C (81°F)28°C (82°F)28°C (83°F)27°C (81°F)
Perceived temperature31°C (87°F)30°C (86°F)30°C (86°F)32°C (90°F)30°C (86°F)32°C (89°F)33°C (91°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%85%85%78%74%74%77%83%
Barometric pressure1006 hPa1005 hPa1006 hPa1006 hPa1005 hPa1004 hPa1005 hPa1007 hPa
Cloud cover28%24%26%24%17%19%38%34%
Heat index31°C (87°F)30°C (86°F)30°C (86°F)32°C (90°F)30°C (86°F)32°C (89°F)33°C (91°F)31°C (88°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)22°C (72°F)23°C (73°F)24°C (75°F)24°C (75°F)
Wind
Speed7km/h (4mph)5km/h (3mph)7km/h (4mph)9km/h (6mph)13km/h (8mph)12km/h (7mph)5km/h (3mph)4km/h (3mph)
Gusts10km/h (6mph)7km/h (4mph)10km/h (6mph)12km/h (7mph)24km/h (15mph)20km/h (13mph)8km/h (5mph)8km/h (5mph)
Direction 95°
E
63°
ENE
29°
NNE
201°
SSW
273°
W
256°
WSW
236°
WSW
78°
ENE
Wind chill27°C (81°F)27°C (80°F)27°C (80°F)28°C (83°F)27°C (81°F)28°C (82°F)28°C (83°F)27°C (81°F)
Waves
Height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)
Direction 155°
SSE
156°
SSE
154°
SSE
152°
SSE
152°
SSE
152°
SSE
150°
SSE
148°
SSE
Period9.2 sec.7.8 sec.7.2 sec.7.4 sec.7.6 sec.7.7 sec.7.9 sec.8.0 sec.
Significant height0.9m (3ft)0.6m (2ft)0.2m (0.7ft)1.0m (3.3ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)
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 21 December 2025

On Sunday 21 December 2025, the sun will rise at 05:49 and will set at 18:30 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 8.7mph km/h (with gusts up to 12.4mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (78°F)26°C (79°F)28°C (82°F)29°C (84°F)29°C (84°F)28°C (82°F)27°C (81°F)
Perceived temperature30°C (86°F)29°C (84°F)29°C (84°F)31°C (88°F)33°C (91°F)33°C (91°F)32°C (89°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%84%75%71%71%78%81%
Barometric pressure1006 hPa1005 hPa1007 hPa1007 hPa1006 hPa1005 hPa1005 hPa1007 hPa
Cloud cover21%27%27%23%26%25%32%49%
Heat index30°C (86°F)29°C (84°F)29°C (84°F)31°C (88°F)33°C (91°F)33°C (91°F)32°C (89°F)31°C (87°F)
Dew point24°C (75°F)24°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (75°F)24°C (74°F)
Wind
Speed8km/h (5mph)10km/h (6mph)10km/h (6mph)9km/h (5mph)12km/h (8mph)14km/h (9mph)12km/h (7mph)10km/h (6mph)
Gusts13km/h (8mph)15km/h (10mph)15km/h (9mph)12km/h (7mph)17km/h (10mph)20km/h (13mph)19km/h (12mph)17km/h (10mph)
Direction 11°
NNE
13°
NNE
14°
NNE
210°
SSW
284°
WNW
270°
W
291°
WNW
325°
NW
Wind chill26°C (80°F)26°C (78°F)26°C (79°F)28°C (82°F)29°C (84°F)29°C (84°F)28°C (82°F)27°C (81°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3.0ft)1.1m (3.6ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)
Direction 148°
SSE
148°
SSE
148°
SSE
234°
SW
286°
WNW
290°
WNW
284°
WNW
278°
W
Period8.0 sec.8.0 sec.8.0 sec.7.9 sec.7.8 sec.7.7 sec.7.7 sec.7.6 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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