Sea weather in Wailuku in Hawaii All the beach weather in Wailuku

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

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

Date Outside temp. Our opinion
Thursday 4 December 202570°F to 77°Fdiscouraged
Friday 5 December 202574°F to 77°Fnot recommended
Saturday 6 December 202568°F to 76°Fdiscouraged
Sunday 7 December 202570°F to 76°Fdiscouraged
Monday 8 December 202572°F to 76°Fdiscouraged
Tuesday 9 December 202572°F to 74°Fdiscouraged
Wednesday 10 December 202572°F to 74°Frecommended

Sea Weather: Your daily and hourly sea weather in Wailuku

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 06:48 and will set at 17:44 on the beach(es) of Wailuku. 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 24.2mph km/h (with gusts up to 30.5mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (74°F)24°C (76°F)21°C (71°F)24°C (75°F)23°C (73°F)24°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (79°F)21°C (71°F)26°C (78°F)25°C (77°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%76%74%70%71%74%76%77%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1015 hPa1014 hPa1016 hPa1018 hPa
Cloud cover72%85%4%4%5%86%89%84%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)26°C (79°F)24°C (76°F)26°C (78°F)25°C (77°F)25°C (78°F)
Dew point19°C (66°F)19°C (65°F)18°C (65°F)18°C (65°F)16°C (61°F)19°C (66°F)18°C (65°F)19°C (67°F)
Wind
Speed16km/h (10mph)14km/h (9mph)19km/h (12mph)23km/h (14mph)38km/h (24mph)39km/h (24mph)33km/h (21mph)34km/h (21mph)
Gusts23km/h (14mph)20km/h (12mph)28km/h (18mph)31km/h (19mph)45km/h (28mph)45km/h (28mph)36km/h (22mph)49km/h (30mph)
Direction 110°
ESE
113°
ESE
131°
SE
110°
ESE
91°
E
83°
E
93°
E
103°
ESE
Wind chill23°C (74°F)23°C (73°F)23°C (74°F)24°C (76°F)21°C (71°F)24°C (75°F)23°C (73°F)24°C (74°F)
Waves
Height1.2m (3.8ft)1.2m (3.8ft)1.3m (4.3ft)1.3m (4.4ft)1.9m (6.3ft)2.2m (7.3ft)2.1m (6.9ft)1.8m (5.8ft)
Direction 316°
NW
314°
NW
315°
NW
314°
NW
91°
E
87°
E
89°
E
320°
NW
Period12.2 sec.12.3 sec.12.0 sec.11.9 sec.12.1 sec.12.8 sec.12.5 sec.14.3 sec.
Significant height1.4m (4.6ft)1.5m (4.9ft)1.0m (3.3ft)1.5m (4.9ft)2.4m (7.9ft)2.2m (7.2ft)1.9m (6.2ft)2.0m (6.6ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:49 and will set at 17:45 on the beach(es) of Wailuku. The outside temperature will be a high of 77°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! Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 32.9mph). Wave height will be up to 7.9ft 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 (76°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)
Perceived temperature25°C (78°F)25°C (78°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
Humidity80%77%76%74%75%78%76%77%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1016 hPa1019 hPa
Cloud cover78%22%73%77%8%85%77%77%
Heat index25°C (78°F)25°C (78°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 (68°F)19°C (66°F)19°C (66°F)19°C (67°F)19°C (66°F)19°C (67°F)19°C (66°F)19°C (66°F)
Wind
Speed38km/h (24mph)37km/h (23mph)31km/h (19mph)35km/h (22mph)41km/h (26mph)41km/h (26mph)36km/h (22mph)32km/h (20mph)
Gusts53km/h (33mph)52km/h (33mph)45km/h (28mph)46km/h (29mph)47km/h (30mph)47km/h (29mph)52km/h (32mph)43km/h (27mph)
Direction 99°
E
104°
ESE
110°
ESE
101°
ESE
89°
E
82°
E
89°
E
90°
E
Wind chill24°C (74°F)23°C (74°F)23°C (74°F)24°C (76°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)
Waves
Height1.9m (6.1ft)2.0m (6.7ft)1.9m (6.4ft)2.1m (6.9ft)2.3m (7.7ft)2.4m (8.0ft)2.2m (7.3ft)2.0m (6.7ft)
Direction 318°
NW
319°
NW
318°
NW
318°
NW
76°
ENE
73°
ENE
75°
ENE
325°
NW
Period13.7 sec.13.3 sec.13.0 sec.12.9 sec.12.8 sec.12.8 sec.15.1 sec.14.5 sec.
Significant height1.4m (4.6ft)1.5m (4.9ft)1.3m (4.3ft)1.6m (5.2ft)1.8m (5.9ft)2.4m (7.9ft)1.5m (4.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:50 and will set at 17:45 on the beach(es) of Wailuku. The outside temperature will be a high of 76°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 22.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)22°C (72°F)21°C (70°F)22°C (72°F)23°C (74°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)21°C (70°F)25°C (76°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%75%75%67%65%67%75%77%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1016 hPa1015 hPa1016 hPa1017 hPa
Cloud cover33%50%46%0%0%0%8%18%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)21°C (70°F)25°C (76°F)25°C (77°F)
Dew point19°C (65°F)18°C (65°F)18°C (65°F)17°C (63°F)15°C (59°F)15°C (58°F)17°C (63°F)19°C (66°F)
Wind
Speed30km/h (18mph)28km/h (17mph)26km/h (16mph)27km/h (17mph)36km/h (22mph)36km/h (22mph)33km/h (21mph)27km/h (17mph)
Gusts41km/h (25mph)38km/h (24mph)35km/h (22mph)35km/h (22mph)36km/h (23mph)42km/h (26mph)36km/h (22mph)39km/h (24mph)
Direction 96°
E
91°
E
93°
E
101°
E
86°
E
74°
ENE
85°
E
91°
E
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)22°C (72°F)21°C (70°F)22°C (72°F)23°C (74°F)
Waves
Height1.9m (6.4ft)1.8m (6.0ft)1.8m (5.8ft)1.7m (5.6ft)1.8m (6.1ft)1.9m (6.2ft)1.7m (5.7ft)1.5m (5.1ft)
Direction 326°
NNW
324°
NW
326°
NW
328°
NNW
326°
NW
328°
NNW
330°
NNW
331°
NNW
Period14.2 sec.13.8 sec.13.5 sec.13.4 sec.13.0 sec.12.8 sec.12.7 sec.12.6 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.5m (4.9ft)2.2m (7.2ft)1.9m (6.2ft)1.6m (5.2ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:50 and will set at 17:45 on the beach(es) of Wailuku. 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 20.5mph km/h (with gusts up to 28.6mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)23°C (74°F)22°C (72°F)22°C (72°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (76°F)25°C (76°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%78%75%75%71%71%76%
Barometric pressure1017 hPa1016 hPa1017 hPa1018 hPa1016 hPa1015 hPa1017 hPa1018 hPa
Cloud cover89%88%79%83%85%4%13%70%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (76°F)25°C (76°F)25°C (77°F)
Dew point19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)17°C (62°F)17°C (62°F)18°C (65°F)
Wind
Speed26km/h (16mph)22km/h (14mph)23km/h (15mph)28km/h (17mph)33km/h (21mph)29km/h (18mph)24km/h (15mph)24km/h (15mph)
Gusts37km/h (23mph)32km/h (20mph)34km/h (21mph)37km/h (23mph)46km/h (28mph)32km/h (20mph)39km/h (24mph)35km/h (21mph)
Direction 95°
E
106°
ESE
94°
E
95°
E
83°
E
82°
E
85°
E
92°
E
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)23°C (74°F)22°C (72°F)22°C (72°F)23°C (73°F)
Waves
Height1.5m (4.9ft)1.5m (5.0ft)1.5m (5.0ft)1.6m (5.3ft)1.7m (5.4ft)1.6m (5.4ft)1.4m (4.8ft)1.4m (4.7ft)
Direction 333°
NNW
331°
NNW
332°
NNW
333°
NNW
69°
ENE
69°
ENE
70°
ENE
70°
ENE
Period12.3 sec.12.2 sec.12.0 sec.11.9 sec.11.7 sec.11.6 sec.11.3 sec.11.2 sec.
Significant height1.6m (5.2ft)1.5m (4.9ft)1.6m (5.2ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.4m (4.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:51 and will set at 17:45 on the beach(es) of Wailuku. 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 20.5mph km/h (with gusts up to 29.8mph). Wave height will be up to 4.9ft 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)24°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%77%73%69%70%74%73%74%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover2%74%13%83%70%82%14%75%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)
Dew point17°C (63°F)18°C (65°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (63°F)18°C (64°F)
Wind
Speed25km/h (16mph)28km/h (17mph)27km/h (17mph)29km/h (18mph)33km/h (21mph)29km/h (18mph)28km/h (18mph)24km/h (15mph)
Gusts36km/h (22mph)38km/h (23mph)39km/h (24mph)38km/h (24mph)48km/h (30mph)41km/h (26mph)33km/h (21mph)35km/h (22mph)
Direction 97°
E
91°
E
100°
E
97°
E
80°
E
77°
ENE
88°
E
98°
E
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)24°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)
Waves
Height1.4m (4.8ft)1.4m (4.7ft)1.4m (4.6ft)1.4m (4.8ft)1.5m (5.0ft)1.4m (4.7ft)1.5m (4.8ft)1.4m (4.7ft)
Direction 70°
ENE
69°
ENE
69°
ENE
70°
ENE
71°
ENE
326°
NNW
319°
NW
320°
NW
Period11.4 sec.11.5 sec.11.3 sec.11.1 sec.11.0 sec.11.3 sec.14.0 sec.15.1 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:52 and will set at 17:46 on the beach(es) of Wailuku. The outside temperature will be a high of 74°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 16.8mph km/h (with gusts up to 24.9mph). Wave height will be up to 4.9ft 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 (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%76%73%72%70%73%75%76%
Barometric pressure1016 hPa1015 hPa1015 hPa1015 hPa1014 hPa1013 hPa1013 hPa1014 hPa
Cloud cover14%35%15%18%5%15%16%18%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)17°C (62°F)18°C (64°F)18°C (65°F)19°C (65°F)
Wind
Speed23km/h (14mph)22km/h (13mph)20km/h (13mph)22km/h (14mph)27km/h (17mph)27km/h (17mph)23km/h (14mph)20km/h (13mph)
Gusts33km/h (20mph)31km/h (19mph)29km/h (18mph)28km/h (17mph)33km/h (20mph)40km/h (25mph)35km/h (22mph)29km/h (18mph)
Direction 98°
E
103°
ESE
104°
ESE
94°
E
76°
ENE
74°
ENE
85°
E
98°
E
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (74°F)
Waves
Height1.4m (4.5ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)
Direction 319°
NW
317°
NW
317°
NW
317°
NW
315°
NW
313°
NW
313°
NW
315°
NW
Period15.1 sec.14.6 sec.14.3 sec.11.9 sec.9.3 sec.13.1 sec.13.0 sec.13.1 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)1.4m (4.6ft)1.1m (3.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:52 and will set at 17:46 on the beach(es) of Wailuku. The outside temperature will be a high of 74°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 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%76%76%73%71%73%72%72%
Barometric pressure1013 hPa1012 hPa1012 hPa1013 hPa1012 hPa1010 hPa1011 hPa1011 hPa
Cloud cover9%6%5%6%13%37%37%7%
Heat index25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point18°C (65°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)
Wind
Speed15km/h (9mph)10km/h (6mph)8km/h (5mph)10km/h (6mph)13km/h (8mph)12km/h (7mph)8km/h (5mph)7km/h (4mph)
Gusts22km/h (14mph)14km/h (9mph)12km/h (7mph)14km/h (9mph)19km/h (12mph)17km/h (11mph)11km/h (7mph)11km/h (7mph)
Direction 106°
ESE
131°
SE
157°
SSE
126°
SE
77°
ENE
87°
E
103°
ESE
154°
SSE
Wind chill23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)
Waves
Height1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)1.8m (5.9ft)
Direction 316°
NW
318°
NW
320°
NW
321°
NW
321°
NW
319°
NW
321°
NW
327°
NNW
Period13.2 sec.13.3 sec.13.3 sec.13.2 sec.13.0 sec.12.6 sec.13.3 sec.14.8 sec.
Significant height0.6m (2ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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