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
Wednesday 3 June 202665°F to 79°Frecommended
Thursday 4 June 202668°F to 79°Frecommended
Friday 5 June 202670°F to 83°Frecommended
Saturday 6 June 202672°F to 77°Frecommended
Sunday 7 June 202672°F to 76°Frecommended
Monday 8 June 202674°F to 76°Frecommended
Tuesday 9 June 202674°F to 77°Frecommended

Sea Weather: Your daily and hourly sea weather in Alotau

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 06:10 and will set at 17:43 on the beach(es) of Alotau. The outside temperature will be a high of 79°F t and a low of 65°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 17.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (68°F)20°C (67°F)24°C (76°F)23°C (74°F)24°C (76°F)19°C (65°F)21°C (70°F)
Perceived temperature20°C (68°F)20°C (68°F)20°C (67°F)26°C (78°F)25°C (77°F)25°C (78°F)19°C (65°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%83%83%60%50%53%77%86%
Barometric pressure1015 hPa1013 hPa1015 hPa1016 hPa1013 hPa1011 hPa1013 hPa1015 hPa
Cloud cover0%0%0%0%0%0%0%34%
Heat index20°C (68°F)20°C (68°F)20°C (67°F)26°C (78°F)25°C (77°F)25°C (78°F)19°C (65°F)24°C (76°F)
Dew point17°C (63°F)17°C (63°F)17°C (62°F)16°C (61°F)12°C (54°F)14°C (57°F)14°C (58°F)19°C (66°F)
Wind
Speed10km/h (6mph)10km/h (6mph)9km/h (5mph)9km/h (6mph)10km/h (6mph)15km/h (9mph)13km/h (8mph)9km/h (6mph)
Gusts18km/h (11mph)18km/h (11mph)17km/h (10mph)11km/h (7mph)22km/h (14mph)28km/h (18mph)26km/h (16mph)17km/h (10mph)
Direction 192°
SSW
183°
S
193°
SSW
166°
SSE
122°
ESE
120°
ESE
143°
SE
158°
SSE
Wind chill20°C (68°F)20°C (68°F)20°C (67°F)24°C (76°F)23°C (74°F)24°C (76°F)19°C (65°F)21°C (70°F)
Waves
Height0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 117°
ESE
128°
SE
129°
SE
123°
ESE
125°
SE
125°
SE
126°
SE
113°
ESE
Period3.7 sec.0.1 sec.0.1 sec.3.1 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 06:10 and will set at 17:43 on the beach(es) of Alotau. The outside temperature will be a high of 79°F t and a low of 68°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 15.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (71°F)21°C (70°F)21°C (69°F)25°C (77°F)23°C (73°F)26°C (78°F)20°C (67°F)22°C (72°F)
Perceived temperature21°C (71°F)21°C (70°F)21°C (69°F)26°C (79°F)25°C (77°F)27°C (81°F)20°C (67°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%83%86%67%62%67%79%81%
Barometric pressure1015 hPa1014 hPa1014 hPa1015 hPa1013 hPa1012 hPa1013 hPa1015 hPa
Cloud cover87%8%3%14%85%73%0%0%
Heat index24°C (76°F)24°C (76°F)21°C (69°F)26°C (79°F)25°C (77°F)27°C (81°F)20°C (67°F)25°C (76°F)
Dew point19°C (66°F)18°C (65°F)18°C (64°F)18°C (65°F)15°C (59°F)19°C (66°F)16°C (60°F)19°C (66°F)
Wind
Speed9km/h (5mph)7km/h (4mph)5km/h (3mph)5km/h (3mph)8km/h (5mph)14km/h (9mph)12km/h (7mph)10km/h (6mph)
Gusts16km/h (10mph)13km/h (8mph)10km/h (6mph)6km/h (3mph)17km/h (10mph)18km/h (11mph)25km/h (16mph)18km/h (11mph)
Direction 162°
SSE
167°
SSE
197°
SSW
148°
SSE
92°
E
116°
ESE
142°
SE
171°
S
Wind chill21°C (71°F)21°C (70°F)21°C (69°F)25°C (77°F)23°C (73°F)26°C (78°F)20°C (67°F)22°C (72°F)
Waves
Height0.3m (1.0ft)0.3m (0.9ft)0.2m (0.7ft)0.1m (0.4ft)0.2m (0.5ft)0.3m (1.1ft)0.4m (1.3ft)0.3m (1.0ft)
Direction 113°
ESE
108°
ESE
106°
ESE
105°
ESE
117°
ESE
115°
ESE
105°
ESE
109°
ESE
Period1.8 sec.3.1 sec.2.9 sec.2.7 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 06:10 and will set at 17:43 on the beach(es) of Alotau. The outside temperature will be a high of 83°F t and a low of 70°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 17.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)21°C (70°F)21°C (70°F)25°C (77°F)24°C (75°F)27°C (81°F)23°C (73°F)22°C (72°F)
Perceived temperature22°C (71°F)21°C (70°F)21°C (70°F)27°C (80°F)25°C (78°F)28°C (83°F)25°C (77°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%89%67%54%57%76%83%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1014 hPa1012 hPa1014 hPa1016 hPa
Cloud cover2%12%13%6%9%19%22%56%
Heat index24°C (76°F)24°C (76°F)21°C (70°F)27°C (80°F)25°C (78°F)28°C (83°F)25°C (77°F)25°C (76°F)
Dew point19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)14°C (57°F)18°C (64°F)18°C (65°F)19°C (66°F)
Wind
Speed9km/h (6mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)11km/h (7mph)13km/h (8mph)15km/h (9mph)12km/h (7mph)
Gusts17km/h (10mph)18km/h (11mph)18km/h (11mph)12km/h (8mph)23km/h (14mph)18km/h (11mph)28km/h (17mph)21km/h (13mph)
Direction 176°
S
178°
S
179°
S
174°
S
146°
SSE
136°
SE
166°
SSE
187°
S
Wind chill22°C (71°F)21°C (70°F)21°C (70°F)25°C (77°F)24°C (75°F)27°C (81°F)23°C (73°F)22°C (72°F)
Waves
Height0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (0.9ft)0.5m (1.6ft)0.5m (1.7ft)0.4m (1.2ft)
Direction 117°
ESE
118°
ESE
125°
SE
128°
SE
130°
SE
123°
ESE
121°
ESE
122°
ESE
Period2.6 sec.2.9 sec.2.9 sec.2.9 sec.2.9 sec.5.8 sec.5.8 sec.5.8 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 06:10 and will set at 17:43 on the beach(es) of Alotau. The outside temperature will be a high of 77°F t and a low of 72°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 13.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)22°C (72°F)24°C (74°F)25°C (76°F)25°C (77°F)23°C (73°F)22°C (72°F)
Perceived temperature22°C (71°F)22°C (71°F)25°C (76°F)26°C (78°F)26°C (80°F)27°C (80°F)25°C (77°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%84%79%73%71%81%87%
Barometric pressure1016 hPa1014 hPa1016 hPa1017 hPa1015 hPa1014 hPa1016 hPa1018 hPa
Cloud cover45%64%78%52%54%63%51%74%
Heat index24°C (76°F)24°C (76°F)25°C (76°F)26°C (78°F)26°C (80°F)27°C (80°F)25°C (77°F)25°C (76°F)
Dew point19°C (66°F)19°C (66°F)19°C (67°F)20°C (68°F)19°C (67°F)20°C (67°F)19°C (67°F)20°C (68°F)
Wind
Speed12km/h (7mph)12km/h (8mph)13km/h (8mph)14km/h (9mph)14km/h (9mph)13km/h (8mph)13km/h (8mph)12km/h (8mph)
Gusts20km/h (13mph)21km/h (13mph)20km/h (12mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)19km/h (12mph)
Direction 193°
SSW
194°
SSW
188°
S
180°
S
176°
S
168°
SSE
179°
S
174°
S
Wind chill22°C (71°F)22°C (71°F)22°C (72°F)24°C (74°F)25°C (76°F)25°C (77°F)23°C (73°F)22°C (72°F)
Waves
Height0.4m (1.3ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)
Direction 134°
SE
132°
SE
134°
SE
133°
SE
161°
SSE
154°
SSE
139°
SE
151°
SSE
Period5.4 sec.5.4 sec.4.4 sec.5.9 sec.6.1 sec.6.2 sec.6.5 sec.6.2 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 06:11 and will set at 17:43 on the beach(es) of Alotau. The outside temperature will be a high of 76°F t and a low of 72°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 13.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (72°F)22°C (72°F)24°C (75°F)24°C (74°F)23°C (74°F)22°C (72°F)23°C (73°F)
Perceived temperature25°C (76°F)25°C (76°F)25°C (77°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%90%90%85%88%88%91%92%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover87%69%71%74%84%100%100%100%
Heat index25°C (76°F)25°C (76°F)25°C (77°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Dew point20°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)
Wind
Speed12km/h (7mph)13km/h (8mph)12km/h (8mph)11km/h (7mph)14km/h (9mph)13km/h (8mph)13km/h (8mph)12km/h (8mph)
Gusts18km/h (11mph)20km/h (12mph)19km/h (12mph)15km/h (9mph)20km/h (12mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)
Direction 179°
S
182°
S
177°
S
171°
S
158°
SSE
157°
SSE
166°
SSE
165°
SSE
Wind chill22°C (72°F)22°C (72°F)22°C (72°F)24°C (75°F)24°C (74°F)23°C (74°F)22°C (72°F)23°C (73°F)
Waves
Height0.4m (1.4ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.7ft)
Direction 134°
SE
134°
SE
131°
SE
129°
SE
126°
SE
124°
SE
125°
SE
126°
SE
Period6.2 sec.6.2 sec.6.2 sec.6.7 sec.5.5 sec.5.8 sec.7.3 sec.7.4 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 06:11 and will set at 17:44 on the beach(es) of Alotau. The outside temperature will be a high of 76°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 8.1mph km/h (with gusts up to 11.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%94%94%92%89%90%92%93%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1014 hPa1013 hPa1014 hPa1015 hPa
Cloud cover100%100%100%100%100%95%90%95%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)
Dew point22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)
Wind
Speed12km/h (7mph)12km/h (7mph)12km/h (7mph)12km/h (7mph)13km/h (8mph)13km/h (8mph)11km/h (7mph)11km/h (7mph)
Gusts17km/h (11mph)17km/h (11mph)17km/h (11mph)17km/h (11mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)18km/h (11mph)
Direction 169°
SSE
168°
SSE
165°
SSE
161°
SSE
149°
SSE
148°
SSE
152°
SSE
145°
SE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 126°
SE
126°
SE
126°
SE
125°
SE
121°
ESE
116°
ESE
113°
ESE
111°
ESE
Period7.3 sec.7.2 sec.7.2 sec.7.2 sec.6.9 sec.6.5 sec.6.4 sec.6.4 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Tuesday 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 06:11 and will set at 17:44 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 7.5mph 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 temperature23°C (74°F)24°C (74°F)24°C (75°F)25°C (76°F)25°C (77°F)25°C (77°F)24°C (74°F)23°C (74°F)
Perceived temperature26°C (78°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (82°F)28°C (82°F)26°C (79°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%94%93%90%87%87%90%91%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1014 hPa1013 hPa1014 hPa1015 hPa
Cloud cover95%95%94%89%67%49%38%27%
Heat index26°C (78°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (82°F)28°C (82°F)26°C (79°F)26°C (78°F)
Dew point22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (71°F)22°C (71°F)
Wind
Speed12km/h (7mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)
Gusts18km/h (11mph)16km/h (10mph)15km/h (9mph)15km/h (9mph)15km/h (9mph)17km/h (11mph)18km/h (11mph)17km/h (11mph)
Direction 142°
SE
130°
SE
117°
ESE
108°
ESE
109°
ESE
121°
ESE
140°
SE
141°
SE
Wind chill23°C (74°F)24°C (74°F)24°C (75°F)25°C (76°F)25°C (77°F)25°C (77°F)24°C (74°F)23°C (74°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 109°
ESE
109°
ESE
109°
ESE
109°
ESE
112°
ESE
114°
ESE
111°
ESE
110°
ESE
Period6.3 sec.6.3 sec.6.4 sec.6.5 sec.6.7 sec.6.8 sec.6.8 sec.6.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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