Sea weather in Kaunakakai in Hawaii All the beach weather in Kaunakakai

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

Discover the best moment to go to the beach in Kaunakakai in Hawaii this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Kaunakakai. 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 202572°F to 77°Frecommended
Monday 15 December 202576°F to 79°Frecommended
Tuesday 16 December 202572°F to 77°Fdiscouraged
Wednesday 17 December 202576°F to 77°Fdiscouraged
Thursday 18 December 202570°F to 77°Frecommended
Friday 19 December 202570°F to 77°Frecommended
Saturday 20 December 202570°F to 76°Frecommended

Sea Weather: Your daily and hourly sea weather in Kaunakakai

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:57 and will set at 17:49 on the beach(es) of Kaunakakai. 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 11.8mph km/h (with gusts up to 18mph). 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 (74°F)24°C (75°F)25°C (76°F)22°C (71°F)25°C (77°F)23°C (74°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)22°C (71°F)27°C (80°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%81%80%75%72%73%78%78%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1012 hPa1011 hPa1013 hPa1014 hPa
Cloud cover66%77%84%74%77%81%83%37%
Heat index26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)24°C (76°F)27°C (80°F)25°C (78°F)26°C (79°F)
Dew point20°C (69°F)20°C (68°F)20°C (69°F)20°C (68°F)16°C (61°F)20°C (67°F)19°C (67°F)20°C (68°F)
Wind
Speed19km/h (12mph)12km/h (7mph)11km/h (7mph)10km/h (6mph)14km/h (9mph)16km/h (10mph)12km/h (7mph)8km/h (5mph)
Gusts27km/h (17mph)17km/h (11mph)16km/h (10mph)14km/h (9mph)29km/h (18mph)23km/h (14mph)19km/h (12mph)11km/h (7mph)
Direction 207°
SSW
204°
SSW
218°
SW
204°
SSW
216°
SW
219°
SW
217°
SW
194°
SSW
Wind chill24°C (75°F)24°C (74°F)24°C (75°F)25°C (76°F)22°C (71°F)25°C (77°F)23°C (74°F)24°C (75°F)
Waves
Height0.7m (2.2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.4ft)
Direction 232°
SW
246°
WSW
255°
WSW
257°
WSW
261°
W
267°
W
270°
W
295°
WNW
Period9.7 sec.5.0 sec.5.2 sec.5.4 sec.5.8 sec.6.4 sec.6.9 sec.7.2 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
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 06:58 and will set at 17:50 on the beach(es) of Kaunakakai. 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 8.1mph km/h (with gusts up to 11.8mph). 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 (74°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (78°F)24°C (76°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%81%81%77%71%73%73%73%
Barometric pressure1014 hPa1014 hPa1015 hPa1016 hPa1014 hPa1013 hPa1014 hPa1015 hPa
Cloud cover77%38%40%53%48%100%43%13%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)
Dew point21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)19°C (67°F)20°C (69°F)19°C (67°F)19°C (66°F)
Wind
Speed8km/h (5mph)8km/h (5mph)7km/h (4mph)7km/h (4mph)11km/h (7mph)13km/h (8mph)11km/h (7mph)8km/h (5mph)
Gusts11km/h (7mph)12km/h (7mph)10km/h (6mph)10km/h (6mph)16km/h (10mph)19km/h (12mph)17km/h (10mph)11km/h (7mph)
Direction 198°
SSW
189°
S
172°
S
168°
SSE
172°
S
182°
S
171°
S
159°
SSE
Wind chill24°C (75°F)24°C (74°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (78°F)24°C (76°F)24°C (76°F)
Waves
Height0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (1.8ft)0.5m (1.7ft)
Direction 294°
WNW
291°
WNW
291°
WNW
293°
WNW
292°
WNW
290°
WNW
292°
WNW
292°
WNW
Period7.1 sec.7.1 sec.7.4 sec.11.9 sec.11.6 sec.11.5 sec.11.0 sec.9.1 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)
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 Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:58 and will set at 17:50 on the beach(es) of Kaunakakai. 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 13.7mph km/h (with gusts up to 18mph). 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 (75°F)25°C (76°F)22°C (71°F)25°C (77°F)25°C (77°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (78°F)26°C (80°F)22°C (71°F)27°C (80°F)27°C (80°F)26°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%75%77%72%74%74%76%75%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover29%33%88%4%70%26%77%56%
Heat index26°C (79°F)26°C (79°F)26°C (78°F)26°C (80°F)25°C (76°F)27°C (80°F)27°C (80°F)26°C (80°F)
Dew point19°C (67°F)19°C (67°F)20°C (67°F)19°C (67°F)17°C (63°F)20°C (68°F)20°C (69°F)20°C (68°F)
Wind
Speed7km/h (4mph)0km/h (0mph)5km/h (3mph)6km/h (4mph)22km/h (14mph)21km/h (13mph)16km/h (10mph)17km/h (10mph)
Gusts10km/h (6mph)1km/h (0mph)8km/h (5mph)9km/h (6mph)29km/h (18mph)29km/h (18mph)23km/h (14mph)24km/h (15mph)
Direction 209°
SSW
99°
E
82°
E
150°
SSE
213°
SSW
214°
SW
183°
S
195°
SSW
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)25°C (76°F)22°C (71°F)25°C (77°F)25°C (77°F)25°C (76°F)
Waves
Height0.5m (1.6ft)0.5m (1.5ft)0.4m (1.5ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.3ft)
Direction 288°
WNW
288°
WNW
283°
WNW
286°
WNW
279°
W
279°
W
279°
W
277°
W
Period9.1 sec.10.1 sec.9.1 sec.8.8 sec.8.6 sec.8.4 sec.4.2 sec.4.4 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)
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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:59 and will set at 17:50 on the beach(es) of Kaunakakai. The outside temperature will be a high of 77°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 14.9mph km/h (with gusts up to 21.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (75°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (75°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%79%77%75%72%73%77%79%
Barometric pressure1014 hPa1013 hPa1013 hPa1015 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover84%52%66%51%87%77%74%72%
Heat index27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (78°F)26°C (79°F)
Dew point20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (67°F)20°C (68°F)20°C (67°F)20°C (68°F)
Wind
Speed19km/h (12mph)17km/h (11mph)22km/h (13mph)22km/h (14mph)24km/h (15mph)23km/h (14mph)16km/h (10mph)13km/h (8mph)
Gusts27km/h (17mph)24km/h (15mph)30km/h (19mph)30km/h (19mph)34km/h (21mph)32km/h (20mph)25km/h (15mph)19km/h (12mph)
Direction 189°
S
191°
SSW
190°
S
177°
S
183°
S
191°
S
185°
S
175°
S
Wind chill25°C (76°F)24°C (75°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (75°F)
Waves
Height0.4m (1.4ft)0.5m (1.7ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.4ft)0.8m (2.5ft)0.8m (2.6ft)0.8m (2.7ft)
Direction 226°
SW
220°
SW
218°
SW
288°
WNW
283°
WNW
282°
WNW
282°
WNW
283°
WNW
Period8.2 sec.8.0 sec.8.0 sec.13.1 sec.13.2 sec.13.4 sec.13.3 sec.12.8 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.9m (3ft)0.7m (2.3ft)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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:59 and will set at 17:51 on the beach(es) of Kaunakakai. 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 19.3mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)22°C (72°F)24°C (74°F)24°C (75°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)25°C (76°F)25°C (77°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%79%76%68%67%73%75%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1014 hPa1012 hPa1014 hPa1015 hPa
Cloud cover70%75%89%85%5%2%6%8%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)25°C (76°F)25°C (77°F)26°C (78°F)26°C (79°F)
Dew point20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)16°C (61°F)17°C (63°F)19°C (66°F)20°C (67°F)
Wind
Speed10km/h (6mph)11km/h (7mph)9km/h (6mph)9km/h (5mph)15km/h (9mph)15km/h (10mph)6km/h (4mph)2km/h (1mph)
Gusts15km/h (9mph)16km/h (10mph)13km/h (8mph)12km/h (7mph)31km/h (19mph)30km/h (19mph)10km/h (6mph)3km/h (2mph)
Direction 175°
S
175°
S
172°
S
177°
S
191°
S
198°
SSW
209°
SSW
64°
ENE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)22°C (72°F)24°C (74°F)24°C (75°F)24°C (76°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.5ft)0.7m (2.5ft)0.7m (2.4ft)1.7m (5.7ft)1.7m (5.6ft)1.7m (5.6ft)
Direction 284°
WNW
284°
WNW
282°
WNW
282°
WNW
281°
W
339°
NNW
339°
NNW
341°
NNW
Period12.2 sec.11.6 sec.11.3 sec.10.9 sec.10.5 sec.13.3 sec.13.1 sec.12.9 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)
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 07:00 and will set at 17:51 on the beach(es) of Kaunakakai. 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 4.4mph km/h (with gusts up to 6.2mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (73°F)25°C (77°F)25°C (77°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)25°C (78°F)25°C (77°F)27°C (80°F)27°C (80°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%77%77%72%67%69%73%79%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1015 hPa1014 hPa1014 hPa1016 hPa
Cloud cover11%19%15%16%16%32%40%9%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)25°C (78°F)25°C (77°F)27°C (80°F)27°C (80°F)26°C (79°F)
Dew point20°C (67°F)20°C (67°F)19°C (67°F)18°C (64°F)16°C (61°F)19°C (66°F)20°C (68°F)20°C (69°F)
Wind
Speed2km/h (1mph)3km/h (2mph)5km/h (3mph)5km/h (3mph)4km/h (2mph)3km/h (2mph)5km/h (3mph)7km/h (4mph)
Gusts3km/h (2mph)4km/h (3mph)7km/h (4mph)8km/h (5mph)8km/h (5mph)4km/h (3mph)7km/h (4mph)10km/h (6mph)
Direction 111°
ESE
32°
NNE
37°
NE
26°
NNE
135°
SE
232°
SW
35°
NE
58°
ENE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (73°F)25°C (77°F)25°C (77°F)24°C (76°F)
Waves
Height1.7m (5.5ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)1.7m (5.6ft)
Direction 342°
NNW
344°
NNW
344°
NNW
344°
NNW
344°
NNW
345°
NNW
346°
NNW
346°
NNW
Period12.7 sec.12.3 sec.12.0 sec.11.8 sec.11.6 sec.11.4 sec.11.2 sec.11.8 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)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 Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:01 and will set at 17:52 on the beach(es) of Kaunakakai. The outside temperature will be a high of 76°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 5.9ft 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)23°C (74°F)22°C (71°F)23°C (74°F)24°C (75°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (78°F)25°C (78°F)22°C (71°F)25°C (78°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%78%78%75%70%73%78%79%
Barometric pressure1016 hPa1015 hPa1015 hPa1016 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover7%10%9%7%6%15%38%39%
Heat index26°C (79°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (76°F)25°C (78°F)26°C (79°F)26°C (79°F)
Dew point20°C (68°F)20°C (68°F)20°C (68°F)18°C (65°F)16°C (61°F)18°C (65°F)20°C (68°F)20°C (69°F)
Wind
Speed4km/h (3mph)3km/h (2mph)5km/h (3mph)7km/h (4mph)12km/h (8mph)15km/h (9mph)15km/h (10mph)15km/h (9mph)
Gusts6km/h (4mph)5km/h (3mph)7km/h (4mph)13km/h (8mph)26km/h (16mph)28km/h (18mph)23km/h (14mph)21km/h (13mph)
Direction 136°
SE
332°
NNW
251°
WSW
56°
NE
63°
ENE
64°
ENE
69°
ENE
66°
ENE
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)23°C (74°F)22°C (71°F)23°C (74°F)24°C (75°F)24°C (75°F)
Waves
Height1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)
Direction 345°
NNW
343°
NNW
345°
NNW
346°
NNW
344°
NNW
339°
NNW
342°
NNW
346°
NNW
Period13.1 sec.12.7 sec.12.2 sec.12.0 sec.11.9 sec.11.8 sec.11.8 sec.11.6 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)
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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