Sea weather in Captain Cook in Hawaii All the beach weather in Captain Cook

All the essential weather information for enjoying the beach in Captain Cook in Hawaii, 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 Captain Cook over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 14 December 202570°F to 77°Frecommended
Monday 15 December 202574°F to 76°Fdiscouraged
Tuesday 16 December 202570°F to 77°Frecommended
Wednesday 17 December 202570°F to 77°Fdiscouraged
Thursday 18 December 202570°F to 77°Frecommended
Friday 19 December 202574°F to 76°Frecommended
Saturday 20 December 202574°F to 76°Frecommended

Sea Weather: Your daily and hourly sea weather in Captain Cook

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:50 and will set at 17:48 on the beach(es) of Captain Cook. The outside temperature will be a high of 77°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 10.6mph km/h (with gusts up to 16.2mph). Wave height will be up to 3ft 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)25°C (76°F)21°C (71°F)24°C (75°F)23°C (74°F)24°C (74°F)
Perceived temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)21°C (71°F)26°C (78°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%74%75%70%71%75%80%83%
Barometric pressure1014 hPa1013 hPa1013 hPa1015 hPa1013 hPa1012 hPa1013 hPa1015 hPa
Cloud cover3%4%4%3%3%80%89%86%
Heat index26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)24°C (76°F)26°C (78°F)25°C (78°F)26°C (78°F)
Dew point20°C (68°F)19°C (66°F)19°C (66°F)19°C (66°F)16°C (61°F)19°C (67°F)20°C (68°F)21°C (69°F)
Wind
Speed16km/h (10mph)12km/h (7mph)10km/h (6mph)12km/h (7mph)17km/h (10mph)17km/h (11mph)15km/h (9mph)14km/h (9mph)
Gusts23km/h (14mph)17km/h (11mph)15km/h (9mph)16km/h (10mph)18km/h (11mph)26km/h (16mph)23km/h (14mph)20km/h (12mph)
Direction 171°
S
175°
S
170°
S
164°
SSE
187°
S
185°
S
167°
SSE
162°
SSE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)25°C (76°F)21°C (71°F)24°C (75°F)23°C (74°F)24°C (74°F)
Waves
Height0.6m (2.1ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (2.0ft)0.7m (2.2ft)0.7m (2.4ft)0.8m (2.5ft)0.9m (3.0ft)
Direction 192°
SSW
189°
S
294°
WNW
285°
WNW
294°
WNW
295°
WNW
295°
WNW
298°
WNW
Period11.7 sec.11.6 sec.6.0 sec.16.2 sec.15.6 sec.15.3 sec.14.7 sec.14.5 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)
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 Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:50 and will set at 17:48 on the beach(es) of Captain Cook. The outside temperature will be a high of 76°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 13.7mph km/h (with gusts up to 19.9mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)
Perceived temperature26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%82%80%76%75%79%80%78%
Barometric pressure1015 hPa1014 hPa1016 hPa1017 hPa1015 hPa1013 hPa1015 hPa1016 hPa
Cloud cover58%89%25%7%8%77%58%78%
Heat index26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)
Dew point21°C (69°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)20°C (68°F)20°C (68°F)20°C (68°F)
Wind
Speed17km/h (10mph)15km/h (9mph)12km/h (7mph)2km/h (1mph)5km/h (3mph)22km/h (13mph)21km/h (13mph)5km/h (3mph)
Gusts23km/h (14mph)21km/h (13mph)16km/h (10mph)3km/h (2mph)7km/h (4mph)32km/h (20mph)32km/h (20mph)7km/h (5mph)
Direction 169°
S
182°
S
184°
S
222°
SW
290°
WNW
344°
NNW
356°
N
142°
SE
Wind chill24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)
Waves
Height1.1m (3.8ft)1.3m (4.4ft)1.4m (4.7ft)1.4m (4.8ft)1.4m (4.6ft)1.4m (4.5ft)1.3m (4.3ft)1.2m (3.8ft)
Direction 299°
WNW
297°
WNW
297°
WNW
293°
WNW
293°
WNW
291°
WNW
290°
WNW
289°
WNW
Period14.1 sec.13.6 sec.13.3 sec.12.8 sec.12.5 sec.12.2 sec.11.8 sec.11.7 sec.
Significant height0.9m (3ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.2m (0.7ft)
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 Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:51 and will set at 17:49 on the beach(es) of Captain Cook. The outside temperature will be a high of 77°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 13.7mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (76°F)24°C (76°F)21°C (70°F)24°C (74°F)23°C (74°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)21°C (70°F)25°C (78°F)25°C (77°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%80%77%75%70%73%76%75%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover72%71%84%84%6%6%19%8%
Heat index26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)24°C (76°F)25°C (78°F)25°C (77°F)26°C (79°F)
Dew point20°C (68°F)20°C (68°F)20°C (68°F)20°C (67°F)16°C (60°F)18°C (65°F)19°C (66°F)19°C (67°F)
Wind
Speed12km/h (8mph)13km/h (8mph)15km/h (9mph)10km/h (6mph)5km/h (3mph)9km/h (6mph)2km/h (1mph)9km/h (6mph)
Gusts17km/h (11mph)19km/h (12mph)22km/h (14mph)14km/h (9mph)10km/h (6mph)16km/h (10mph)4km/h (2mph)14km/h (9mph)
Direction 359°
N
343°
NNW
344°
NNW
201°
SSW
237°
WSW
348°
NNW
336°
NNW
360°
N
Wind chill24°C (75°F)24°C (75°F)24°C (76°F)24°C (76°F)21°C (70°F)24°C (74°F)23°C (74°F)24°C (76°F)
Waves
Height1.1m (3.7ft)1.0m (3.4ft)1.0m (3.1ft)0.9m (3.0ft)0.9m (2.9ft)0.9m (3.0ft)0.9m (3.0ft)0.8m (2.7ft)
Direction 286°
WNW
291°
WNW
288°
WNW
285°
WNW
287°
WNW
277°
W
272°
W
263°
W
Period11.3 sec.11.1 sec.10.8 sec.10.8 sec.11.6 sec.5.8 sec.5.4 sec.6.7 sec.
Significant height1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)
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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:51 and will set at 17:49 on the beach(es) of Captain Cook. The outside temperature will be a high of 77°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 17.4mph km/h (with gusts up to 18.6mph). Wave height will be up to 4.9ft 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)25°C (76°F)21°C (70°F)24°C (74°F)23°C (73°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)21°C (70°F)25°C (78°F)25°C (77°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%76%76%71%71%75%79%77%
Barometric pressure1014 hPa1013 hPa1014 hPa1015 hPa1014 hPa1012 hPa1013 hPa1015 hPa
Cloud cover17%9%6%3%75%70%79%4%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)24°C (76°F)25°C (78°F)25°C (77°F)26°C (79°F)
Dew point20°C (68°F)19°C (67°F)19°C (67°F)19°C (66°F)16°C (61°F)19°C (66°F)19°C (66°F)20°C (68°F)
Wind
Speed10km/h (6mph)6km/h (4mph)3km/h (2mph)6km/h (4mph)21km/h (13mph)28km/h (17mph)23km/h (14mph)17km/h (11mph)
Gusts14km/h (9mph)9km/h (6mph)4km/h (3mph)8km/h (5mph)27km/h (16mph)30km/h (19mph)25km/h (16mph)25km/h (16mph)
Direction 356°
N
182°
S
140°
SE
160°
SSE
193°
SSW
189°
S
179°
S
177°
S
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)25°C (76°F)21°C (70°F)24°C (74°F)23°C (73°F)24°C (76°F)
Waves
Height0.8m (2.5ft)0.7m (2.5ft)0.7m (2.5ft)0.8m (2.7ft)0.9m (3.1ft)1.1m (3.7ft)1.4m (4.6ft)1.5m (5.0ft)
Direction 252°
WSW
243°
WSW
277°
W
295°
WNW
295°
WNW
293°
WNW
292°
WNW
292°
WNW
Period7.3 sec.4.9 sec.7.9 sec.4.5 sec.4.6 sec.13.1 sec.11.6 sec.13.4 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)0.8m (2.6ft)1.2m (3.9ft)0.7m (2.3ft)
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 06:52 and will set at 17:50 on the beach(es) of Captain Cook. The outside temperature will be a high of 77°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 9.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)24°C (75°F)25°C (77°F)21°C (70°F)24°C (75°F)24°C (74°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (78°F)27°C (80°F)21°C (70°F)26°C (78°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%70%69%68%72%75%78%80%
Barometric pressure1014 hPa1012 hPa1014 hPa1015 hPa1014 hPa1012 hPa1013 hPa1016 hPa
Cloud cover0%0%2%3%5%70%9%10%
Heat index26°C (79°F)26°C (79°F)26°C (78°F)27°C (80°F)24°C (76°F)26°C (78°F)25°C (78°F)26°C (79°F)
Dew point20°C (67°F)19°C (66°F)18°C (65°F)19°C (66°F)16°C (61°F)19°C (67°F)19°C (67°F)21°C (69°F)
Wind
Speed13km/h (8mph)11km/h (7mph)7km/h (4mph)10km/h (6mph)16km/h (10mph)15km/h (9mph)4km/h (2mph)4km/h (2mph)
Gusts20km/h (12mph)17km/h (11mph)11km/h (7mph)13km/h (8mph)33km/h (21mph)23km/h (14mph)6km/h (4mph)5km/h (3mph)
Direction 162°
SSE
163°
SSE
178°
S
342°
NNW
332°
NNW
334°
NNW
286°
WNW
215°
SW
Wind chill25°C (76°F)24°C (76°F)24°C (75°F)25°C (77°F)21°C (70°F)24°C (75°F)24°C (74°F)24°C (76°F)
Waves
Height1.5m (5.1ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.8ft)1.5m (4.8ft)1.1m (3.5ft)1.0m (3.4ft)1.0m (3.3ft)
Direction 292°
WNW
292°
WNW
291°
WNW
291°
WNW
291°
WNW
292°
WNW
291°
WNW
290°
WNW
Period13.2 sec.12.6 sec.12.3 sec.11.9 sec.11.7 sec.11.5 sec.11.6 sec.11.2 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:52 and will set at 17:50 on the beach(es) of Captain Cook. The outside temperature will be a high of 76°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 5mph km/h (with gusts up to 8.1mph). Wave height will be up to 3ft 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)24°C (76°F)24°C (75°F)24°C (74°F)24°C (74°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%77%75%73%73%75%76%77%
Barometric pressure1015 hPa1015 hPa1015 hPa1016 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover10%10%8%7%9%14%13%18%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)
Dew point20°C (68°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)20°C (67°F)
Wind
Speed5km/h (3mph)5km/h (3mph)6km/h (4mph)6km/h (4mph)8km/h (5mph)7km/h (4mph)4km/h (3mph)5km/h (3mph)
Gusts8km/h (5mph)8km/h (5mph)9km/h (6mph)10km/h (6mph)13km/h (8mph)11km/h (7mph)7km/h (4mph)7km/h (4mph)
Direction 359°
N
345°
NNW
351°
N
344°
NNW
319°
NW
327°
NNW
222°
SW
113°
ESE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (74°F)24°C (74°F)24°C (75°F)
Waves
Height0.9m (3.1ft)0.9m (3.0ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Direction 288°
WNW
285°
WNW
283°
WNW
282°
WNW
281°
WNW
281°
W
278°
W
280°
W
Period10.5 sec.10.1 sec.10.0 sec.9.9 sec.9.8 sec.9.7 sec.9.4 sec.9.0 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
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 Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:53 and will set at 17:51 on the beach(es) of Captain Cook. The outside temperature will be a high of 76°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 5.6mph km/h (with gusts up to 8.7mph). Wave height will be up to 2.3ft 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)24°C (75°F)24°C (75°F)24°C (74°F)24°C (74°F)24°C (75°F)
Perceived temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%77%75%74%75%78%80%
Barometric pressure1016 hPa1016 hPa1016 hPa1016 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover34%29%21%12%8%11%18%29%
Heat index26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)
Dew point20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)20°C (67°F)20°C (68°F)
Wind
Speed6km/h (4mph)8km/h (5mph)7km/h (4mph)5km/h (3mph)8km/h (5mph)9km/h (6mph)9km/h (6mph)8km/h (5mph)
Gusts9km/h (6mph)12km/h (7mph)10km/h (6mph)7km/h (4mph)13km/h (8mph)14km/h (9mph)14km/h (9mph)11km/h (7mph)
Direction 342°
NNW
344°
NNW
222°
SW
83°
E
246°
WSW
282°
WNW
323°
NW
323°
NW
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)24°C (74°F)24°C (75°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Direction 297°
WNW
300°
WNW
296°
WNW
285°
WNW
253°
WSW
245°
WSW
299°
WNW
294°
WNW
Period8.8 sec.8.7 sec.8.5 sec.8.2 sec.10.2 sec.14.6 sec.14.5 sec.14.5 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)
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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