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 14 May 202576°F to 83°Frecommended
Thursday 15 May 202576°F to 83°Frecommended
Friday 16 May 202576°F to 83°Frecommended
Saturday 17 May 202576°F to 83°Frecommended
Sunday 18 May 202576°F to 83°Frecommended
Monday 19 May 202576°F to 83°Frecommended
Tuesday 20 May 202576°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Alotau

Sea weather on Wednesday 14 May 2025

On Wednesday 14 May 2025, the sun will rise at 06:05 and will set at 17:44 on the beach(es) of Alotau. The outside temperature will be a high of 83°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 6.2mph km/h (with gusts up to 13.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (76°F)24°C (75°F)27°C (81°F)26°C (80°F)26°C (79°F)25°C (77°F)24°C (76°F)
Perceived temperature27°C (80°F)27°C (80°F)26°C (79°F)30°C (86°F)29°C (85°F)30°C (85°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0.1in0.1in0in0in
Humidity91%91%91%77%83%85%89%90%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1009 hPa1008 hPa1009 hPa1011 hPa
Cloud cover73%70%50%84%74%79%70%36%
Heat index27°C (80°F)27°C (80°F)26°C (79°F)30°C (86°F)29°C (85°F)30°C (85°F)27°C (81°F)27°C (80°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (73°F)23°C (73°F)
Wind
Speed8km/h (5mph)10km/h (6mph)9km/h (6mph)9km/h (5mph)9km/h (5mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)
Gusts13km/h (8mph)16km/h (10mph)16km/h (10mph)11km/h (7mph)13km/h (8mph)21km/h (13mph)17km/h (11mph)17km/h (10mph)
Direction 183°
S
182°
S
188°
S
169°
S
153°
SSE
158°
SSE
169°
S
175°
S
Wind chill24°C (76°F)24°C (76°F)24°C (75°F)27°C (81°F)26°C (80°F)26°C (79°F)25°C (77°F)24°C (76°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.7ft)0.3m (0.9ft)
Direction 117°
ESE
187°
S
185°
S
111°
ESE
111°
ESE
110°
ESE
120°
ESE
110°
ESE
Period3.5 sec.3.3 sec.2.7 sec.2.6 sec.2.9 sec.2.9 sec.3.1 sec.3.2 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Thursday 15 May 2025

On Thursday 15 May 2025, the sun will rise at 06:05 and will set at 17:44 on the beach(es) of Alotau. The outside temperature will be a high of 83°F t and a low of 76°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 5.6mph km/h (with gusts up to 9.9mph). Wave height will be up to 1ft 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)27°C (80°F)28°C (82°F)26°C (79°F)24°C (76°F)24°C (76°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (79°F)30°C (86°F)31°C (87°F)29°C (85°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%91%77%72%86%90%91%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1009 hPa1007 hPa1009 hPa1011 hPa
Cloud cover81%80%32%77%86%65%79%85%
Heat index27°C (80°F)26°C (79°F)26°C (79°F)30°C (86°F)31°C (87°F)29°C (85°F)27°C (80°F)27°C (80°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)24°C (75°F)23°C (73°F)23°C (73°F)
Wind
Speed9km/h (6mph)9km/h (6mph)8km/h (5mph)7km/h (4mph)5km/h (3mph)8km/h (5mph)9km/h (5mph)8km/h (5mph)
Gusts16km/h (10mph)15km/h (9mph)13km/h (8mph)9km/h (5mph)7km/h (4mph)12km/h (8mph)15km/h (9mph)13km/h (8mph)
Direction 181°
S
185°
S
185°
S
175°
S
122°
ESE
153°
SSE
165°
SSE
174°
S
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)27°C (80°F)28°C (82°F)26°C (79°F)24°C (76°F)24°C (76°F)
Waves
Height0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.5ft)0.3m (0.9ft)0.1m (0.4ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 191°
SSW
190°
S
193°
SSW
107°
ESE
107°
ESE
123°
ESE
117°
ESE
112°
ESE
Period3.0 sec.2.9 sec.3.0 sec.2.9 sec.2.9 sec.3.0 sec.3.1 sec.3.0 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Friday 16 May 2025

On Friday 16 May 2025, the sun will rise at 06:05 and will set at 17:44 on the beach(es) of Alotau. The outside temperature will be a high of 83°F t and a low of 76°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 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (75°F)27°C (80°F)28°C (83°F)28°C (82°F)25°C (76°F)25°C (76°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (79°F)30°C (86°F)31°C (87°F)31°C (87°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%91%91%77%67%67%82%85%
Barometric pressure1010 hPa1010 hPa1011 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover86%76%23%21%80%89%14%17%
Heat index27°C (80°F)26°C (79°F)26°C (79°F)30°C (86°F)31°C (87°F)31°C (87°F)27°C (80°F)27°C (80°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)21°C (71°F)21°C (70°F)21°C (70°F)22°C (71°F)
Wind
Speed7km/h (4mph)7km/h (4mph)5km/h (3mph)1km/h (1mph)5km/h (3mph)7km/h (4mph)3km/h (2mph)1km/h (1mph)
Gusts12km/h (7mph)12km/h (7mph)9km/h (6mph)2km/h (1mph)7km/h (4mph)9km/h (6mph)5km/h (3mph)2km/h (1mph)
Direction 178°
S
183°
S
193°
SSW
125°
SE
30°
NNE
27°
NNE
347°
NNW
116°
ESE
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)27°C (80°F)28°C (83°F)28°C (82°F)25°C (76°F)25°C (76°F)
Waves
Height0.2m (0.5ft)0.1m (0.4ft)0.1m (0.5ft)0.1m (0.3ft)0.3m (0.8ft)0.4m (1.4ft)0.3m (1.1ft)0.1m (0.3ft)
Direction 114°
ESE
109°
ESE
108°
ESE
104°
ESE
108°
ESE
108°
ESE
108°
ESE
109°
ESE
Period3.0 sec.2.9 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Saturday 17 May 2025

On Saturday 17 May 2025, the sun will rise at 06:06 and will set at 17:44 on the beach(es) of Alotau. The outside temperature will be a high of 83°F t and a low of 76°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 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (76°F)27°C (81°F)28°C (83°F)28°C (83°F)26°C (78°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (80°F)30°C (87°F)31°C (88°F)31°C (88°F)28°C (83°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%90%88%75%67%68%85%90%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover70%85%74%42%84%87%32%66%
Heat index27°C (80°F)26°C (79°F)26°C (80°F)30°C (87°F)31°C (88°F)31°C (88°F)28°C (83°F)27°C (81°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed3km/h (2mph)4km/h (2mph)3km/h (2mph)4km/h (2mph)6km/h (4mph)7km/h (4mph)7km/h (4mph)5km/h (3mph)
Gusts5km/h (3mph)7km/h (4mph)4km/h (3mph)5km/h (3mph)8km/h (5mph)10km/h (6mph)12km/h (7mph)9km/h (5mph)
Direction 205°
SSW
181°
S
155°
SSE
69°
ENE
37°
NE
66°
ENE
98°
E
118°
ESE
Wind chill24°C (76°F)24°C (75°F)24°C (76°F)27°C (81°F)28°C (83°F)28°C (83°F)26°C (78°F)25°C (77°F)
Waves
Height0.5m (1.6ft)0.2m (0.5ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (0.9ft)0.1m (0.3ft)0.3m (0.9ft)0.1m (0.3ft)
Direction 104°
ESE
104°
ESE
108°
ESE
108°
ESE
107°
ESE
106°
ESE
110°
ESE
109°
ESE
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Sunday 18 May 2025

On Sunday 18 May 2025, the sun will rise at 06:06 and will set at 17:44 on the beach(es) of Alotau. The outside temperature will be a high of 83°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 5.6mph km/h (with gusts up to 8.7mph). 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)24°C (76°F)24°C (76°F)27°C (81°F)28°C (82°F)27°C (81°F)25°C (78°F)25°C (76°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (80°F)30°C (87°F)31°C (88°F)30°C (86°F)28°C (83°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%91%79%72%80%88%91%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover72%55%84%54%83%74%37%58%
Heat index27°C (81°F)27°C (80°F)27°C (80°F)30°C (87°F)31°C (88°F)30°C (86°F)28°C (83°F)27°C (81°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)22°C (72°F)23°C (74°F)23°C (74°F)23°C (74°F)
Wind
Speed4km/h (3mph)5km/h (3mph)5km/h (3mph)6km/h (4mph)9km/h (6mph)8km/h (5mph)9km/h (5mph)8km/h (5mph)
Gusts7km/h (4mph)9km/h (6mph)8km/h (5mph)8km/h (5mph)13km/h (8mph)12km/h (7mph)14km/h (9mph)13km/h (8mph)
Direction 121°
ESE
149°
SSE
144°
SE
130°
SE
90°
E
102°
ESE
120°
ESE
145°
SE
Wind chill25°C (77°F)24°C (76°F)24°C (76°F)27°C (81°F)28°C (82°F)27°C (81°F)25°C (78°F)25°C (76°F)
Waves
Height0.5m (1.6ft)0.3m (1.1ft)0.2m (0.6ft)0.2m (0.7ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (0.8ft)0.3m (0.9ft)
Direction 94°
E
98°
E
100°
E
101°
E
61°
ENE
45°
NE
86°
E
98°
E
Period2.0 sec.2.2 sec.2.2 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Monday 19 May 2025

On Monday 19 May 2025, the sun will rise at 06:06 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 76°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 13.1mph). Wave height will be up to 1.6ft 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)28°C (83°F)28°C (82°F)25°C (77°F)24°C (76°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (81°F)30°C (86°F)31°C (88°F)30°C (87°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%91%77%68%73%86%91%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1010 hPa1008 hPa1010 hPa1011 hPa
Cloud cover49%52%40%35%25%18%38%43%
Heat index27°C (81°F)27°C (80°F)27°C (81°F)30°C (86°F)31°C (88°F)30°C (87°F)28°C (82°F)27°C (80°F)
Dew point23°C (73°F)23°C (73°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)6km/h (4mph)8km/h (5mph)11km/h (7mph)13km/h (8mph)13km/h (8mph)10km/h (6mph)
Gusts12km/h (7mph)12km/h (7mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)
Direction 150°
SSE
158°
SSE
164°
SSE
136°
SE
112°
ESE
115°
ESE
136°
SE
156°
SSE
Wind chill24°C (76°F)24°C (76°F)25°C (76°F)27°C (81°F)28°C (83°F)28°C (82°F)25°C (77°F)24°C (76°F)
Waves
Height0.3m (1.0ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 104°
ESE
173°
S
138°
SE
104°
ESE
70°
ENE
80°
E
102°
ESE
105°
ESE
Period2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.1 sec.2.8 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Tuesday 20 May 2025

On Tuesday 20 May 2025, the sun will rise at 06:06 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 76°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 16.2mph). 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 (76°F)25°C (76°F)27°C (81°F)27°C (80°F)26°C (79°F)25°C (76°F)24°C (75°F)
Perceived temperature27°C (80°F)27°C (80°F)27°C (81°F)30°C (85°F)29°C (83°F)28°C (82°F)27°C (80°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%90%86%71%63%67%81%89%
Barometric pressure1010 hPa1010 hPa1011 hPa1011 hPa1010 hPa1008 hPa1009 hPa1010 hPa
Cloud cover43%63%33%12%9%12%15%17%
Heat index27°C (80°F)27°C (80°F)27°C (81°F)30°C (85°F)29°C (83°F)28°C (82°F)27°C (80°F)26°C (79°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)21°C (71°F)19°C (67°F)20°C (67°F)21°C (70°F)22°C (72°F)
Wind
Speed9km/h (5mph)8km/h (5mph)8km/h (5mph)8km/h (5mph)11km/h (7mph)14km/h (9mph)13km/h (8mph)9km/h (6mph)
Gusts14km/h (9mph)13km/h (8mph)12km/h (8mph)10km/h (6mph)21km/h (13mph)26km/h (16mph)24km/h (15mph)17km/h (11mph)
Direction 163°
SSE
163°
SSE
163°
SSE
141°
SE
120°
ESE
121°
ESE
139°
SE
160°
SSE
Wind chill24°C (75°F)24°C (76°F)25°C (76°F)27°C (81°F)27°C (80°F)26°C (79°F)25°C (76°F)24°C (75°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 107°
ESE
108°
ESE
110°
ESE
111°
ESE
84°
E
81°
E
91°
E
96°
E
Period3.1 sec.3.0 sec.2.9 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.5 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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