Sea weather in Alotau in Papua New Guinea All the beach weather in Alotau

All the essential weather information for enjoying the beach in Alotau 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 Alotau over the next 7 days?

Discover the best moment to go to the beach in Alotau 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 Alotau. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 29 January 202674°F to 77°Frecommended
Friday 30 January 202674°F to 83°Frecommended
Saturday 31 January 202676°F to 85°Frecommended
Sunday 1 February 202676°F to 85°Frecommended
Monday 2 February 202677°F to 83°Frecommended
Tuesday 3 February 202677°F to 83°Frecommended
Wednesday 4 February 202677°F to 85°Frecommended

Sea Weather: Your daily and hourly sea weather in Alotau

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 05:54 and will set at 18:28 on the beach(es) of Alotau. The outside temperature will be a high of 77°F t and a low of 74°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 4.4mph km/h (with gusts up to 6.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (73°F)23°C (74°F)25°C (76°F)25°C (77°F)24°C (75°F)23°C (73°F)23°C (73°F)
Perceived temperature26°C (79°F)25°C (77°F)25°C (78°F)27°C (80°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%90%86%82%79%86%91%95%
Barometric pressure1009 hPa1008 hPa1008 hPa1010 hPa1009 hPa1007 hPa1008 hPa1010 hPa
Cloud cover62%71%53%58%81%100%53%78%
Heat index26°C (79°F)25°C (77°F)25°C (78°F)27°C (80°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (77°F)
Dew point22°C (72°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (71°F)21°C (70°F)22°C (71°F)
Wind
Speed3km/h (2mph)4km/h (3mph)5km/h (3mph)5km/h (3mph)7km/h (4mph)5km/h (3mph)4km/h (2mph)4km/h (3mph)
Gusts4km/h (2mph)7km/h (4mph)10km/h (6mph)9km/h (6mph)11km/h (7mph)8km/h (5mph)6km/h (4mph)7km/h (4mph)
Direction 230°
SW
258°
WSW
266°
W
229°
SW
192°
SSW
189°
S
212°
SSW
52°
NE
Wind chill24°C (74°F)23°C (73°F)23°C (74°F)25°C (76°F)25°C (77°F)24°C (75°F)23°C (73°F)23°C (73°F)
Waves
Height0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 338°
NNW
333°
NNW
333°
NNW
332°
NNW
334°
NNW
334°
NNW
334°
NNW
334°
NNW
Period6.2 sec.6.0 sec.6.0 sec.6.8 sec.6.7 sec.7.0 sec.7.1 sec.7.0 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
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 30 January 2026

On Friday 30 January 2026, the sun will rise at 05:55 and will set at 18:28 on the beach(es) of Alotau. The outside temperature will be a high of 83°F t and a low of 74°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 4.4mph km/h (with gusts up to 7.5mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (74°F)24°C (74°F)26°C (79°F)28°C (82°F)24°C (76°F)23°C (74°F)24°C (75°F)
Perceived temperature25°C (77°F)25°C (78°F)26°C (78°F)28°C (83°F)31°C (87°F)26°C (80°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%90%88%78%70%87%92%89%
Barometric pressure1010 hPa1008 hPa1009 hPa1010 hPa1008 hPa1007 hPa1007 hPa1009 hPa
Cloud cover63%71%62%44%82%69%56%74%
Heat index25°C (77°F)25°C (78°F)26°C (78°F)28°C (83°F)31°C (87°F)26°C (80°F)25°C (78°F)26°C (79°F)
Dew point22°C (71°F)21°C (71°F)21°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)
Wind
Speed3km/h (2mph)3km/h (2mph)4km/h (3mph)7km/h (4mph)7km/h (4mph)7km/h (4mph)6km/h (4mph)5km/h (3mph)
Gusts4km/h (2mph)6km/h (3mph)7km/h (5mph)9km/h (6mph)10km/h (6mph)12km/h (7mph)12km/h (7mph)8km/h (5mph)
Direction 49°
NE
256°
WSW
265°
W
297°
WNW
301°
WNW
224°
SW
210°
SSW
216°
SW
Wind chill23°C (73°F)23°C (74°F)24°C (74°F)26°C (79°F)28°C (82°F)24°C (76°F)23°C (74°F)24°C (75°F)
Waves
Height0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.5ft)0.2m (0.5ft)
Direction 334°
NNW
333°
NNW
333°
NNW
333°
NNW
333°
NNW
332°
NNW
332°
NNW
333°
NNW
Period6.9 sec.6.8 sec.6.5 sec.6.3 sec.6.2 sec.6.3 sec.6.5 sec.6.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
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 31 January 2026

On Saturday 31 January 2026, the sun will rise at 05:55 and will set at 18:28 on the beach(es) of Alotau. The outside temperature will be a high of 85°F t and a low of 76°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 3.7mph km/h (with gusts up to 5.6mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)28°C (82°F)29°C (84°F)27°C (81°F)25°C (77°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)30°C (86°F)31°C (89°F)30°C (86°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%88%87%70%65%77%86%87%
Barometric pressure1008 hPa1007 hPa1008 hPa1009 hPa1007 hPa1005 hPa1007 hPa1009 hPa
Cloud cover56%69%55%25%79%81%80%82%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)30°C (86°F)31°C (89°F)30°C (86°F)28°C (82°F)27°C (80°F)
Dew point22°C (72°F)22°C (71°F)21°C (71°F)22°C (71°F)21°C (71°F)23°C (73°F)23°C (73°F)22°C (72°F)
Wind
Speed5km/h (3mph)5km/h (3mph)5km/h (3mph)3km/h (2mph)6km/h (4mph)3km/h (2mph)6km/h (4mph)4km/h (2mph)
Gusts9km/h (6mph)8km/h (5mph)9km/h (6mph)3km/h (2mph)8km/h (5mph)5km/h (3mph)9km/h (6mph)7km/h (4mph)
Direction 226°
SW
258°
WSW
239°
WSW
272°
W

N
69°
ENE
202°
SSW
206°
SSW
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)28°C (82°F)29°C (84°F)27°C (81°F)25°C (77°F)25°C (76°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 334°
NNW
335°
NNW
336°
NNW
335°
NNW
334°
NNW
333°
NNW
333°
NNW
332°
NNW
Period6.2 sec.6.0 sec.5.8 sec.5.6 sec.5.6 sec.5.6 sec.6.5 sec.6.5 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)
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 Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 05:55 and will set at 18:28 on the beach(es) of Alotau. The outside temperature will be a high of 85°F t and a low of 76°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 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 temperature24°C (75°F)24°C (76°F)24°C (76°F)26°C (79°F)29°C (84°F)28°C (82°F)26°C (80°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (80°F)26°C (80°F)29°C (84°F)32°C (89°F)31°C (88°F)30°C (85°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%85%84%81%67%76%84%88%
Barometric pressure1008 hPa1007 hPa1008 hPa1009 hPa1007 hPa1005 hPa1006 hPa1008 hPa
Cloud cover56%75%37%91%59%84%58%80%
Heat index26°C (79°F)26°C (80°F)26°C (80°F)29°C (84°F)32°C (89°F)31°C (88°F)30°C (85°F)28°C (82°F)
Dew point22°C (72°F)22°C (71°F)22°C (71°F)23°C (73°F)22°C (71°F)23°C (74°F)24°C (74°F)23°C (73°F)
Wind
Speed2km/h (1mph)3km/h (2mph)4km/h (2mph)7km/h (4mph)10km/h (6mph)10km/h (6mph)5km/h (3mph)1km/h (1mph)
Gusts3km/h (2mph)6km/h (3mph)7km/h (4mph)10km/h (6mph)12km/h (7mph)14km/h (9mph)8km/h (5mph)3km/h (2mph)
Direction 336°
NNW
351°
N
314°
NW
309°
NW
325°
NW
340°
NNW
348°
NNW
269°
W
Wind chill24°C (75°F)24°C (76°F)24°C (76°F)26°C (79°F)29°C (84°F)28°C (82°F)26°C (80°F)25°C (77°F)
Waves
Height0.2m (0.7ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (1.0ft)0.4m (1.4ft)0.3m (1.1ft)0.3m (0.9ft)0.2m (0.7ft)
Direction 333°
NNW
334°
NNW
333°
NNW
333°
NNW
331°
NNW
332°
NNW
333°
NNW
334°
NNW
Period6.5 sec.6.8 sec.6.8 sec.6.7 sec.6.6 sec.6.4 sec.6.5 sec.6.5 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
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 2 February 2026

On Monday 2 February 2026, the sun will rise at 05:56 and will set at 18:28 on the beach(es) of Alotau. 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 6.2mph km/h (with gusts up to 11.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (76°F)27°C (80°F)27°C (81°F)27°C (80°F)25°C (78°F)25°C (76°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)30°C (86°F)30°C (87°F)30°C (86°F)28°C (83°F)27°C (81°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity87%86%88%86%80%82%89%91%
Barometric pressure1008 hPa1007 hPa1008 hPa1010 hPa1008 hPa1007 hPa1008 hPa1010 hPa
Cloud cover52%54%79%55%52%56%75%66%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)30°C (86°F)30°C (87°F)30°C (86°F)28°C (83°F)27°C (81°F)
Dew point23°C (73°F)22°C (72°F)23°C (73°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)
Wind
Speed4km/h (2mph)2km/h (1mph)8km/h (5mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)7km/h (4mph)7km/h (4mph)
Gusts7km/h (4mph)3km/h (2mph)14km/h (9mph)13km/h (8mph)14km/h (9mph)18km/h (11mph)12km/h (7mph)11km/h (7mph)
Direction 228°
SW
345°
NNW
317°
NW
313°
NW
321°
NW
335°
NNW
319°
NW
334°
NNW
Wind chill25°C (77°F)25°C (77°F)25°C (76°F)27°C (80°F)27°C (81°F)27°C (80°F)25°C (78°F)25°C (76°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.5ft)0.2m (0.7ft)0.4m (1.2ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 335°
NNW
335°
NNW
335°
NNW
335°
NNW
331°
NNW
324°
NW
321°
NW
325°
NW
Period6.4 sec.6.3 sec.6.1 sec.6.0 sec.7.7 sec.9.4 sec.9.4 sec.7.7 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)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 Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 05:56 and will set at 18:28 on the beach(es) of Alotau. 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 3.7mph km/h (with gusts up to 5.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (77°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (78°F)25°C (77°F)
Perceived temperature27°C (81°F)27°C (81°F)28°C (82°F)30°C (86°F)31°C (88°F)30°C (85°F)28°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0.1in0.1in0in0in
Humidity92%92%89%82%80%83%85%87%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1008 hPa1007 hPa1008 hPa1009 hPa
Cloud cover63%54%70%82%86%63%52%44%
Heat index27°C (81°F)27°C (81°F)28°C (82°F)30°C (86°F)31°C (88°F)30°C (85°F)28°C (83°F)28°C (82°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (75°F)23°C (74°F)23°C (73°F)23°C (73°F)
Wind
Speed6km/h (4mph)6km/h (4mph)6km/h (4mph)6km/h (4mph)6km/h (4mph)3km/h (2mph)3km/h (2mph)4km/h (2mph)
Gusts9km/h (6mph)9km/h (6mph)9km/h (6mph)9km/h (6mph)9km/h (6mph)5km/h (3mph)4km/h (3mph)6km/h (4mph)
Direction 326°
NW
322°
NW
309°
NW
317°
NW
318°
NW
141°
SE
118°
ESE
189°
S
Wind chill25°C (76°F)25°C (76°F)25°C (77°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (78°F)25°C (77°F)
Waves
Height0.4m (1.3ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.3ft)
Direction 328°
NNW
326°
NW
331°
NNW
333°
NNW
328°
NNW
333°
NNW
334°
NNW
335°
NNW
Period5.8 sec.3.9 sec.2.8 sec.4.9 sec.5.9 sec.5.9 sec.3.5 sec.2.3 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.2m (0.7ft)0.1m (0.3ft)
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 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 05:56 and will set at 18:27 on the beach(es) of Alotau. The outside temperature will be a high of 85°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 3.1mph km/h (with gusts up to 5.6mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (76°F)25°C (77°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (78°F)25°C (77°F)
Perceived temperature27°C (81°F)27°C (81°F)28°C (82°F)31°C (87°F)31°C (88°F)30°C (87°F)29°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity88%88%87%75%76%80%85%88%
Barometric pressure1009 hPa1008 hPa1008 hPa1009 hPa1008 hPa1006 hPa1007 hPa1009 hPa
Cloud cover64%69%62%37%46%34%32%67%
Heat index27°C (81°F)27°C (81°F)28°C (82°F)31°C (87°F)31°C (88°F)30°C (87°F)29°C (83°F)28°C (82°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed5km/h (3mph)4km/h (3mph)2km/h (1mph)3km/h (2mph)4km/h (2mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)
Gusts8km/h (5mph)8km/h (5mph)4km/h (2mph)5km/h (3mph)6km/h (4mph)8km/h (5mph)8km/h (5mph)9km/h (6mph)
Direction 198°
SSW
150°
SSE
94°
E
60°
ENE
47°
NE
67°
ENE
108°
ESE
135°
SE
Wind chill25°C (77°F)25°C (76°F)25°C (77°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (78°F)25°C (77°F)
Waves
Height0.3m (1.0ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Direction 336°
NNW
336°
NNW
186°
S
249°
WSW
332°
NNW
338°
NNW
332°
NNW
328°
NNW
Period2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.5 sec.2.3 sec.2.3 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.4m (1.3ft)0.1m (0.3ft)0.1m (0.3ft)
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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