Sea weather in Atiu island in Cook islands All the beach weather in Atiu island

All the essential weather information for enjoying the beach in Atiu island in Cook islands, 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 Atiu island over the next 7 days?

Discover the best moment to go to the beach in Atiu island in Cook islands this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Atiu island. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Saturday 13 December 202576°F to 77°Fdiscouraged
Sunday 14 December 202577°F to 79°Frecommended
Monday 15 December 202576°F to 79°Fdiscouraged
Tuesday 16 December 202576°F to 77°Fdiscouraged
Wednesday 17 December 202576°F to 77°Fdiscouraged
Thursday 18 December 202576°F to 79°Fnot recommended
Friday 19 December 202576°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Atiu island

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 05:47 and will set at 19:07 on the beach(es) of Atiu island. The outside temperature will be a high of 77°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 19.3mph km/h (with gusts up to 25.5mph). Wave height will be up to 5.2ft 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)25°C (76°F)24°C (76°F)24°C (75°F)24°C (74°F)24°C (76°F)
Perceived temperature27°C (81°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (80°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity82%85%82%81%78%81%83%82%
Barometric pressure1013 hPa1011 hPa1012 hPa1013 hPa1013 hPa1012 hPa1012 hPa1012 hPa
Cloud cover91%100%89%85%48%56%55%86%
Heat index27°C (81°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (80°F)
Dew point22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)20°C (68°F)21°C (69°F)21°C (69°F)21°C (70°F)
Wind
Speed31km/h (19mph)26km/h (16mph)14km/h (9mph)14km/h (9mph)9km/h (6mph)7km/h (4mph)14km/h (9mph)19km/h (12mph)
Gusts41km/h (26mph)39km/h (24mph)18km/h (11mph)19km/h (12mph)13km/h (8mph)11km/h (7mph)20km/h (13mph)27km/h (17mph)
Direction 106°
ESE
54°
NE
66°
ENE
22°
NNE
48°
NE
49°
NE
78°
ENE
76°
ENE
Wind chill25°C (77°F)24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)24°C (75°F)24°C (74°F)24°C (76°F)
Waves
Height1.6m (5.4ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (4.0ft)
Direction 188°
S
92°
E
92°
E
93°
E
188°
S
188°
S
337°
NNW
338°
NNW
Period10.2 sec.6.0 sec.6.1 sec.6.1 sec.6.1 sec.6.2 sec.6.3 sec.6.2 sec.
Significant height1.2m (3.9ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 05:47 and will set at 19:07 on the beach(es) of Atiu island. The outside temperature will be a high of 79°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 12.4mph km/h (with gusts up to 18mph). Wave height will be up to 3.9ft 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)25°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)
Perceived temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%81%79%77%74%72%73%80%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1011 hPa1010 hPa1009 hPa1011 hPa
Cloud cover73%55%80%73%62%43%38%78%
Heat index27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)
Dew point22°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)20°C (69°F)20°C (69°F)21°C (70°F)21°C (71°F)
Wind
Speed20km/h (12mph)17km/h (11mph)14km/h (9mph)13km/h (8mph)11km/h (7mph)10km/h (6mph)12km/h (7mph)12km/h (7mph)
Gusts29km/h (18mph)24km/h (15mph)20km/h (13mph)18km/h (11mph)16km/h (10mph)14km/h (9mph)16km/h (10mph)18km/h (11mph)
Direction 63°
ENE
52°
NE
43°
NE
48°
NE
53°
NE
66°
ENE
87°
E
86°
E
Wind chill25°C (76°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)
Waves
Height1.2m (4.0ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.8ft)1.1m (3.8ft)1.1m (3.7ft)
Direction 339°
NNW
333°
NNW
335°
NNW
336°
NNW
336°
NNW
328°
NNW
332°
NNW
334°
NNW
Period6.3 sec.6.5 sec.6.5 sec.6.6 sec.6.6 sec.6.5 sec.6.5 sec.6.5 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:48 and will set at 19:08 on the beach(es) of Atiu island. The outside temperature will be a high of 79°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 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (76°F)
Perceived temperature28°C (82°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)26°C (79°F)27°C (80°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity78%79%79%80%81%86%89%87%
Barometric pressure1010 hPa1009 hPa1009 hPa1010 hPa1008 hPa1007 hPa1007 hPa1008 hPa
Cloud cover42%70%85%35%78%70%75%71%
Heat index28°C (82°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)26°C (79°F)27°C (80°F)
Dew point21°C (71°F)21°C (70°F)22°C (71°F)22°C (71°F)21°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)
Wind
Speed14km/h (9mph)12km/h (7mph)13km/h (8mph)17km/h (10mph)18km/h (11mph)21km/h (13mph)14km/h (9mph)15km/h (10mph)
Gusts19km/h (12mph)17km/h (10mph)18km/h (11mph)23km/h (14mph)27km/h (17mph)31km/h (19mph)22km/h (14mph)22km/h (13mph)
Direction 73°
ENE
69°
ENE
74°
ENE
56°
NE
40°
NE

N
312°
NW
297°
WNW
Wind chill26°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (76°F)
Waves
Height1.1m (3.7ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.8ft)1.2m (3.8ft)
Direction 334°
NNW
332°
NNW
330°
NNW
330°
NNW
329°
NNW
326°
NW
305°
NW
306°
NW
Period6.5 sec.6.5 sec.6.4 sec.6.5 sec.6.5 sec.6.7 sec.7.3 sec.7.4 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:48 and will set at 19:08 on the beach(es) of Atiu island. The outside temperature will be a high of 77°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 17.4mph km/h (with gusts up to 26.7mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (76°F)
Perceived temperature27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity85%86%87%89%86%84%90%87%
Barometric pressure1007 hPa1005 hPa1006 hPa1006 hPa1006 hPa1005 hPa1006 hPa1007 hPa
Cloud cover100%100%95%59%100%100%74%100%
Heat index27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)27°C (80°F)
Dew point22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed18km/h (11mph)21km/h (13mph)19km/h (12mph)23km/h (14mph)26km/h (16mph)26km/h (16mph)28km/h (17mph)20km/h (12mph)
Gusts24km/h (15mph)29km/h (18mph)26km/h (16mph)32km/h (20mph)43km/h (26mph)37km/h (23mph)40km/h (25mph)27km/h (17mph)
Direction 304°
NW
309°
NW
277°
W
274°
W
271°
W
264°
W
275°
W
279°
W
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (76°F)
Waves
Height1.2m (3.9ft)1.2m (4.0ft)1.3m (4.4ft)1.4m (4.7ft)1.6m (5.2ft)1.9m (6.2ft)2.3m (7.4ft)2.8m (9.3ft)
Direction 257°
WSW
235°
SW
237°
WSW
213°
SSW
204°
SSW
202°
SSW
326°
NNW
317°
NW
Period7.3 sec.7.2 sec.10.6 sec.10.3 sec.9.9 sec.9.7 sec.14.8 sec.14.4 sec.
Significant height0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.4m (4.6ft)1.5m (4.9ft)2.0m (6.6ft)2.0m (6.6ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:48 and will set at 19:09 on the beach(es) of Atiu island. The outside temperature will be a high of 77°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 20.5mph km/h (with gusts up to 28.6mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (74°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (76°F)24°C (76°F)
Perceived temperature26°C (80°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity90%92%84%84%83%80%81%86%
Barometric pressure1007 hPa1006 hPa1006 hPa1008 hPa1008 hPa1008 hPa1008 hPa1009 hPa
Cloud cover100%100%100%100%100%100%98%89%
Heat index26°C (80°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)
Dew point22°C (72°F)22°C (72°F)21°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)22°C (71°F)
Wind
Speed13km/h (8mph)13km/h (8mph)33km/h (21mph)33km/h (20mph)24km/h (15mph)26km/h (16mph)29km/h (18mph)33km/h (21mph)
Gusts20km/h (12mph)17km/h (11mph)46km/h (28mph)43km/h (27mph)34km/h (21mph)36km/h (22mph)42km/h (26mph)46km/h (28mph)
Direction 264°
W
203°
SSW
151°
SSE
143°
SE
126°
SE
117°
ESE
104°
ESE
85°
E
Wind chill24°C (75°F)24°C (74°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (76°F)24°C (76°F)
Waves
Height2.7m (8.7ft)2.5m (8.3ft)2.4m (7.9ft)2.5m (8.3ft)2.4m (8.0ft)2.1m (6.9ft)2.2m (7.3ft)2.3m (7.4ft)
Direction 310°
NW
306°
NW
301°
WNW
296°
WNW
209°
SSW
198°
SSW
237°
WSW
286°
WNW
Period14.1 sec.13.6 sec.13.4 sec.13.1 sec.9.0 sec.12.2 sec.10.9 sec.9.0 sec.
Significant height1.8m (5.9ft)1.6m (5.2ft)1.6m (5.2ft)1.4m (4.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:49 and will set at 19:09 on the beach(es) of Atiu island. The outside temperature will be a high of 79°F t and a low of 76°F. Precipitation is in the forecast (0.3in 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 31.1mph km/h (with gusts up to 34.2mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)25°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (76°F)26°C (78°F)26°C (79°F)
Perceived temperature26°C (79°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)29°C (84°F)30°C (85°F)
Precipitation0in0in0in0in0.1in0.1in0in0in
Humidity87%84%86%87%92%93%88%90%
Barometric pressure1009 hPa1008 hPa1007 hPa1007 hPa1006 hPa1005 hPa1005 hPa1006 hPa
Cloud cover100%100%100%100%100%100%100%85%
Heat index26°C (79°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)29°C (84°F)30°C (85°F)
Dew point22°C (71°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)24°C (76°F)
Wind
Speed28km/h (17mph)30km/h (19mph)44km/h (28mph)50km/h (31mph)50km/h (31mph)41km/h (25mph)30km/h (18mph)35km/h (21mph)
Gusts37km/h (23mph)41km/h (26mph)55km/h (34mph)54km/h (34mph)53km/h (33mph)43km/h (27mph)32km/h (20mph)40km/h (25mph)
Direction 78°
ENE
102°
ESE
110°
ESE
108°
ESE
100°
E
77°
ENE
69°
ENE
62°
ENE
Wind chill24°C (75°F)25°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (76°F)26°C (78°F)26°C (79°F)
Waves
Height2.3m (7.4ft)2.2m (7.2ft)2.3m (7.5ft)2.2m (7.2ft)2.2m (7.2ft)2.3m (7.5ft)2.4m (7.9ft)2.5m (8.2ft)
Direction 270°
W
191°
S
140°
SE
131°
SE
190°
S
325°
NW
319°
NW
296°
WNW
Period8.2 sec.7.7 sec.7.7 sec.7.8 sec.8.0 sec.8.2 sec.8.3 sec.8.1 sec.
Significant height1.0m (3.3ft)0.7m (2.3ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)
Sea water temperature
Water temperature24°C (75°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:49 and will set at 19:10 on the beach(es) of Atiu island. The outside temperature will be a high of 79°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 18.6mph km/h (with gusts up to 26.1mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)25°C (76°F)24°C (76°F)25°C (78°F)26°C (79°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (85°F)29°C (84°F)27°C (81°F)26°C (80°F)28°C (83°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%93%92%91%89%86%87%88%
Barometric pressure1005 hPa1005 hPa1007 hPa1009 hPa1009 hPa1009 hPa1009 hPa1011 hPa
Cloud cover56%57%51%32%18%9%19%26%
Heat index30°C (86°F)30°C (86°F)30°C (85°F)29°C (84°F)27°C (81°F)26°C (80°F)28°C (83°F)29°C (85°F)
Dew point25°C (76°F)25°C (76°F)25°C (76°F)24°C (75°F)23°C (73°F)22°C (71°F)23°C (73°F)24°C (75°F)
Wind
Speed29km/h (18mph)27km/h (17mph)30km/h (18mph)27km/h (17mph)26km/h (16mph)23km/h (14mph)22km/h (14mph)21km/h (13mph)
Gusts42km/h (26mph)37km/h (23mph)41km/h (25mph)40km/h (25mph)39km/h (24mph)32km/h (20mph)37km/h (23mph)30km/h (18mph)
Direction 128°
SE
315°
NW
300°
WNW
305°
NW
314°
NW
317°
NW
316°
NW
323°
NW
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)25°C (76°F)24°C (76°F)25°C (78°F)26°C (79°F)
Waves
Height2.5m (8.2ft)2.5m (8.2ft)2.4m (7.9ft)2.2m (7.2ft)2.1m (6.9ft)2.1m (6.9ft)2.0m (6.6ft)1.9m (6.2ft)
Direction 301°
WNW
309°
NW
325°
NW
333°
NNW
333°
NNW
333°
NNW
333°
NNW
333°
NNW
Period7.7 sec.7.9 sec.7.8 sec.7.0 sec.7.1 sec.7.0 sec.6.9 sec.6.7 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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