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
Saturday 18 July 202670°F to 77°Fdiscouraged
Sunday 19 July 202670°F to 77°Fdiscouraged
Monday 20 July 202674°F to 77°Fdiscouraged
Tuesday 21 July 202670°F to 77°Fdiscouraged
Wednesday 22 July 202676°F to 76°Fdiscouraged
Thursday 23 July 202676°F to 77°Fdiscouraged
Friday 24 July 202676°F to 77°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Wailuku

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:55 and will set at 19:10 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 22.4mph km/h (with gusts up to 30.5mph). 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)25°C (76°F)25°C (76°F)25°C (78°F)22°C (71°F)23°C (73°F)24°C (74°F)24°C (76°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)22°C (71°F)25°C (77°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%82%81%74%72%74%74%75%
Barometric pressure1016 hPa1014 hPa1015 hPa1017 hPa1016 hPa1016 hPa1015 hPa1017 hPa
Cloud cover11%87%86%8%3%75%11%70%
Heat index27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)24°C (76°F)25°C (77°F)25°C (78°F)26°C (79°F)
Dew point22°C (72°F)21°C (70°F)21°C (70°F)20°C (69°F)16°C (62°F)18°C (64°F)19°C (66°F)20°C (67°F)
Wind
Speed36km/h (22mph)36km/h (22mph)33km/h (21mph)32km/h (20mph)32km/h (20mph)33km/h (20mph)29km/h (18mph)28km/h (17mph)
Gusts49km/h (30mph)49km/h (31mph)46km/h (29mph)43km/h (27mph)36km/h (22mph)40km/h (25mph)47km/h (29mph)39km/h (24mph)
Direction 97°
E
98°
E
91°
E
91°
E
87°
E
81°
E
83°
E
88°
E
Wind chill25°C (77°F)25°C (76°F)25°C (76°F)25°C (78°F)22°C (71°F)23°C (73°F)24°C (74°F)24°C (76°F)
Waves
Height1.6m (5.2ft)1.6m (5.4ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (4.8ft)1.5m (4.8ft)1.4m (4.7ft)
Direction 69°
ENE
71°
ENE
64°
ENE
65°
ENE
66°
ENE
67°
ENE
72°
ENE
73°
ENE
Period7.8 sec.7.6 sec.14.4 sec.14.2 sec.9.0 sec.13.7 sec.8.6 sec.13.5 sec.
Significant height1.7m (5.6ft)1.6m (5.2ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)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 Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:55 and will set at 19:09 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 18mph km/h (with gusts up to 24.9mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)25°C (77°F)23°C (73°F)22°C (71°F)21°C (70°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)22°C (71°F)21°C (70°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%74%70%66%63%69%68%73%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover79%80%82%0%0%86%0%85%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)25°C (76°F)21°C (70°F)26°C (79°F)
Dew point20°C (67°F)19°C (66°F)18°C (65°F)18°C (65°F)15°C (60°F)16°C (61°F)15°C (59°F)19°C (67°F)
Wind
Speed29km/h (18mph)26km/h (16mph)23km/h (14mph)29km/h (18mph)27km/h (17mph)25km/h (16mph)23km/h (15mph)26km/h (16mph)
Gusts40km/h (25mph)35km/h (22mph)32km/h (20mph)38km/h (24mph)30km/h (18mph)27km/h (17mph)25km/h (15mph)36km/h (22mph)
Direction 88°
E
85°
E
94°
E
85°
E
76°
ENE
76°
ENE
77°
ENE
86°
E
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)25°C (77°F)23°C (73°F)22°C (71°F)21°C (70°F)24°C (76°F)
Waves
Height1.4m (4.6ft)1.3m (4.3ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.8ft)1.2m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)
Direction 73°
ENE
73°
ENE
73°
ENE
74°
ENE
74°
ENE
74°
ENE
72°
ENE
69°
ENE
Period8.1 sec.7.8 sec.7.6 sec.7.4 sec.8.0 sec.8.9 sec.8.3 sec.8.1 sec.
Significant height1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)0.8m (2.6ft)0.8m (2.6ft)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 Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:56 and will set at 19:09 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! The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 22.4mph). 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)23°C (74°F)24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)25°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%78%83%80%77%76%78%78%
Barometric pressure1016 hPa1014 hPa1015 hPa1016 hPa1015 hPa1014 hPa1013 hPa1015 hPa
Cloud cover53%65%70%81%79%55%56%54%
Heat index26°C (79°F)26°C (78°F)25°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Dew point20°C (67°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)
Wind
Speed26km/h (16mph)24km/h (15mph)21km/h (13mph)24km/h (15mph)27km/h (17mph)26km/h (16mph)24km/h (15mph)23km/h (15mph)
Gusts36km/h (22mph)34km/h (21mph)29km/h (18mph)32km/h (20mph)36km/h (22mph)36km/h (22mph)36km/h (22mph)33km/h (21mph)
Direction 86°
E
83°
E
85°
E
78°
ENE
65°
ENE
68°
ENE
74°
ENE
83°
E
Wind chill24°C (75°F)24°C (75°F)23°C (74°F)24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)
Waves
Height1.1m (3.6ft)1.0m (3.4ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.4ft)1.1m (3.5ft)1.0m (3.4ft)1.0m (3.4ft)
Direction 67°
ENE
66°
ENE
62°
ENE
61°
ENE
60°
ENE
60°
ENE
60°
ENE
61°
ENE
Period7.9 sec.7.8 sec.7.8 sec.7.8 sec.7.0 sec.7.4 sec.7.2 sec.7.1 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)
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 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:56 and will set at 19:09 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 18mph km/h (with gusts up to 26.1mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (76°F)25°C (77°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%76%75%74%76%77%79%81%
Barometric pressure1015 hPa1013 hPa1014 hPa1015 hPa1014 hPa1013 hPa1013 hPa1015 hPa
Cloud cover80%50%34%15%85%86%79%78%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Dew point20°C (69°F)20°C (67°F)20°C (67°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)
Wind
Speed20km/h (13mph)19km/h (12mph)20km/h (13mph)26km/h (16mph)29km/h (18mph)28km/h (17mph)28km/h (18mph)29km/h (18mph)
Gusts28km/h (18mph)27km/h (17mph)29km/h (18mph)33km/h (20mph)42km/h (26mph)40km/h (25mph)41km/h (25mph)40km/h (25mph)
Direction 81°
E
90°
E
94°
E
84°
E
74°
ENE
76°
ENE
81°
E
88°
E
Wind chill24°C (76°F)24°C (75°F)24°C (76°F)25°C (77°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)
Waves
Height1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.2ft)
Direction 59°
ENE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
Period11.9 sec.6.9 sec.6.9 sec.11.3 sec.7.0 sec.7.0 sec.13.4 sec.12.8 sec.
Significant height0.6m (2ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)
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 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:56 and will set at 19:08 on the beach(es) of Wailuku. The outside temperature will be a high of 76°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 19.3mph km/h (with gusts up to 28mph). Wave height will be up to 4.3ft 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)24°C (75°F)24°C (75°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)26°C (79°F)26°C (79°F)26°C (79°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%79%82%80%78%73%72%75%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover71%87%51%62%84%79%14%71%
Heat index26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (78°F)26°C (79°F)
Dew point20°C (69°F)20°C (68°F)20°C (69°F)20°C (69°F)20°C (68°F)19°C (66°F)18°C (65°F)20°C (67°F)
Wind
Speed28km/h (18mph)25km/h (16mph)27km/h (17mph)31km/h (19mph)31km/h (19mph)30km/h (19mph)28km/h (17mph)31km/h (19mph)
Gusts38km/h (24mph)34km/h (21mph)36km/h (23mph)39km/h (24mph)42km/h (26mph)44km/h (27mph)45km/h (28mph)43km/h (26mph)
Direction 88°
E
92°
E
88°
E
87°
E
84°
E
84°
E
84°
E
94°
E
Wind chill24°C (76°F)24°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 (76°F)
Waves
Height1.0m (3.4ft)1.2m (3.9ft)1.1m (3.7ft)1.2m (3.9ft)1.3m (4.1ft)1.3m (4.2ft)1.3m (4.2ft)1.2m (4.0ft)
Direction 59°
ENE
60°
ENE
61°
ENE
61°
ENE
66°
ENE
68°
ENE
71°
ENE
70°
ENE
Period12.6 sec.7.3 sec.11.8 sec.11.7 sec.11.3 sec.11.4 sec.11.6 sec.11.6 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)
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 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:57 and will set at 19:08 on the beach(es) of Wailuku. 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 19.9mph km/h (with gusts up to 28mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%78%74%72%75%75%73%77%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover14%42%31%30%42%26%16%38%
Heat index26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)
Dew point19°C (66°F)20°C (68°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)20°C (68°F)
Wind
Speed27km/h (17mph)29km/h (18mph)31km/h (19mph)30km/h (19mph)31km/h (19mph)32km/h (20mph)30km/h (19mph)31km/h (19mph)
Gusts37km/h (23mph)40km/h (25mph)41km/h (26mph)39km/h (24mph)41km/h (26mph)45km/h (28mph)45km/h (28mph)43km/h (27mph)
Direction 95°
E
95°
E
97°
E
89°
E
81°
E
81°
E
84°
E
93°
E
Wind chill24°C (76°F)24°C (75°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (76°F)
Waves
Height1.2m (3.8ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)
Direction 74°
ENE
79°
E
79°
E
79°
ENE
74°
ENE
66°
ENE
66°
ENE
65°
ENE
Period11.3 sec.11.2 sec.11.8 sec.11.6 sec.11.4 sec.11.1 sec.10.9 sec.10.8 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
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 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:57 and will set at 19:08 on the beach(es) of Wailuku. 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 20.5mph km/h (with gusts up to 28mph). 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)24°C (76°F)25°C (76°F)24°C (76°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)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%74%75%77%73%73%76%76%
Barometric pressure1017 hPa1016 hPa1017 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover68%43%47%67%37%37%59%53%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Dew point20°C (68°F)19°C (67°F)19°C (67°F)20°C (68°F)19°C (67°F)19°C (67°F)20°C (67°F)20°C (67°F)
Wind
Speed33km/h (20mph)30km/h (18mph)26km/h (16mph)28km/h (17mph)31km/h (19mph)32km/h (20mph)32km/h (20mph)32km/h (20mph)
Gusts45km/h (28mph)40km/h (25mph)36km/h (22mph)37km/h (23mph)41km/h (26mph)45km/h (28mph)45km/h (28mph)44km/h (28mph)
Direction 93°
E
89°
E
85°
E
83°
E
89°
E
86°
E
83°
E
85°
E
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (76°F)24°C (76°F)24°C (75°F)24°C (76°F)
Waves
Height1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 65°
ENE
65°
ENE
64°
ENE
61°
ENE
59°
ENE
60°
ENE
61°
ENE
61°
ENE
Period10.6 sec.10.4 sec.9.8 sec.9.3 sec.9.9 sec.9.8 sec.11.7 sec.15.7 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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