Sea weather in Hilo in Hawaii All the beach weather in Hilo

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

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

Date Outside temp. Our opinion
Friday 17 July 202677°F to 79°Frecommended
Saturday 18 July 202677°F to 79°Frecommended
Sunday 19 July 202676°F to 77°Frecommended
Monday 20 July 202676°F to 77°Frecommended
Tuesday 21 July 202676°F to 77°Frecommended
Wednesday 22 July 202676°F to 77°Frecommended
Thursday 23 July 202676°F to 77°Frecommended

Sea Weather: Your daily and hourly sea weather in Hilo

Sea weather on Friday 17 July 2026

On Friday 17 July 2026, the sun will rise at 05:51 and will set at 19:02 on the beach(es) of Hilo. 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 10.6mph km/h (with gusts up to 16.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)
Perceived temperature28°C (82°F)28°C (82°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%76%75%77%76%77%81%79%
Barometric pressure1016 hPa1015 hPa1015 hPa1017 hPa1016 hPa1016 hPa1016 hPa1017 hPa
Cloud cover63%75%89%82%82%72%73%79%
Heat index28°C (82°F)28°C (82°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)
Dew point21°C (71°F)21°C (70°F)20°C (69°F)21°C (70°F)21°C (69°F)21°C (70°F)22°C (71°F)22°C (71°F)
Wind
Speed14km/h (9mph)13km/h (8mph)6km/h (4mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)17km/h (11mph)17km/h (11mph)
Gusts24km/h (15mph)18km/h (11mph)9km/h (5mph)13km/h (8mph)16km/h (10mph)20km/h (13mph)26km/h (16mph)24km/h (15mph)
Direction 142°
SE
161°
SSE
163°
SSE
90°
E
79°
ENE
89°
E
98°
E
101°
E
Wind chill26°C (78°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)
Waves
Height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.8ft)1.2m (4.0ft)1.3m (4.4ft)
Direction 64°
ENE
65°
ENE
59°
ENE
61°
ENE
62°
ENE
62°
ENE
64°
ENE
70°
ENE
Period6.0 sec.6.2 sec.6.2 sec.6.5 sec.6.6 sec.6.6 sec.7.1 sec.6.5 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:51 and will set at 19:02 on the beach(es) of Hilo. The outside temperature will be a high of 79°F t and a low of 77°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 12.4mph km/h (with gusts up to 17.4mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)
Perceived temperature27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%74%71%70%71%72%68%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1016 hPa1015 hPa1017 hPa
Cloud cover85%51%93%74%52%84%87%58%
Heat index27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)
Dew point21°C (70°F)21°C (70°F)20°C (68°F)20°C (68°F)19°C (67°F)20°C (67°F)20°C (68°F)19°C (66°F)
Wind
Speed14km/h (9mph)14km/h (9mph)10km/h (6mph)16km/h (10mph)17km/h (10mph)20km/h (12mph)15km/h (9mph)13km/h (8mph)
Gusts20km/h (13mph)19km/h (12mph)14km/h (9mph)21km/h (13mph)24km/h (15mph)28km/h (17mph)21km/h (13mph)18km/h (11mph)
Direction 97°
E
87°
E
70°
ENE
82°
E
69°
ENE
60°
ENE
45°
NE
53°
NE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)
Waves
Height1.4m (4.7ft)1.5m (4.8ft)1.5m (5.1ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 79°
E
78°
ENE
74°
ENE
75°
ENE
77°
ENE
78°
ENE
77°
ENE
77°
ENE
Period7.0 sec.7.5 sec.7.6 sec.7.7 sec.7.8 sec.7.9 sec.7.9 sec.7.9 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:52 and will set at 19:02 on the beach(es) of Hilo. 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 8.7mph km/h (with gusts up to 13.1mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)24°C (76°F)25°C (77°F)24°C (76°F)25°C (77°F)24°C (76°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (80°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%66%71%65%71%67%65%66%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1014 hPa1016 hPa
Cloud cover80%77%75%83%73%70%0%59%
Heat index27°C (80°F)26°C (80°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 point19°C (66°F)18°C (65°F)19°C (66°F)18°C (65°F)19°C (66°F)18°C (65°F)17°C (63°F)18°C (65°F)
Wind
Speed11km/h (7mph)13km/h (8mph)7km/h (4mph)6km/h (4mph)14km/h (9mph)12km/h (7mph)6km/h (4mph)4km/h (2mph)
Gusts15km/h (10mph)18km/h (11mph)10km/h (6mph)8km/h (5mph)21km/h (13mph)17km/h (11mph)9km/h (6mph)5km/h (3mph)
Direction 69°
ENE
59°
ENE
34°
NE
39°
NE
57°
ENE
58°
ENE
356°
N
38°
NE
Wind chill25°C (77°F)25°C (77°F)24°C (76°F)25°C (77°F)24°C (76°F)25°C (77°F)24°C (76°F)25°C (77°F)
Waves
Height1.5m (4.9ft)1.4m (4.7ft)1.4m (4.6ft)1.4m (4.5ft)1.3m (4.3ft)1.3m (4.1ft)1.2m (4.0ft)1.2m (3.9ft)
Direction 78°
ENE
78°
ENE
77°
ENE
77°
ENE
77°
ENE
77°
ENE
76°
ENE
73°
ENE
Period7.9 sec.7.8 sec.7.9 sec.7.9 sec.7.8 sec.7.8 sec.7.8 sec.7.6 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:52 and will set at 19:01 on the beach(es) of Hilo. 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 8.7mph km/h (with gusts up to 11.2mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%77%75%72%71%73%75%
Barometric pressure1015 hPa1014 hPa1014 hPa1015 hPa1014 hPa1013 hPa1013 hPa1015 hPa
Cloud cover73%72%69%89%70%76%60%60%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (80°F)
Dew point19°C (66°F)19°C (66°F)20°C (68°F)20°C (68°F)19°C (67°F)20°C (67°F)20°C (68°F)20°C (68°F)
Wind
Speed3km/h (2mph)7km/h (4mph)10km/h (6mph)14km/h (9mph)11km/h (7mph)12km/h (7mph)8km/h (5mph)4km/h (3mph)
Gusts4km/h (3mph)10km/h (6mph)14km/h (9mph)18km/h (11mph)17km/h (10mph)16km/h (10mph)11km/h (7mph)6km/h (4mph)
Direction 271°
W
310°
NW
359°
N
34°
NNE
46°
NE
47°
NE
32°
NNE
46°
NE
Wind chill25°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Waves
Height1.1m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)
Direction 69°
ENE
68°
ENE
66°
ENE
63°
ENE
61°
ENE
59°
ENE
59°
ENE
59°
ENE
Period7.5 sec.7.4 sec.7.4 sec.7.3 sec.7.4 sec.7.1 sec.7.3 sec.7.1 sec.
Significant height0.2m (0.7ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:52 and will set at 19:01 on the beach(es) of Hilo. The outside temperature will be a high of 77°F t and a low of 76°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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)24°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Perceived temperature27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%73%73%72%73%74%74%75%
Barometric pressure1014 hPa1013 hPa1013 hPa1014 hPa1014 hPa1013 hPa1013 hPa1015 hPa
Cloud cover65%79%85%21%88%53%73%87%
Heat index27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (80°F)
Dew point20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)20°C (68°F)20°C (69°F)20°C (68°F)
Wind
Speed5km/h (3mph)6km/h (4mph)3km/h (2mph)6km/h (4mph)12km/h (8mph)16km/h (10mph)13km/h (8mph)12km/h (7mph)
Gusts8km/h (5mph)9km/h (6mph)4km/h (2mph)8km/h (5mph)18km/h (11mph)23km/h (14mph)18km/h (11mph)16km/h (10mph)
Direction 99°
E
73°
ENE
120°
ESE
64°
ENE
72°
ENE
68°
ENE
63°
ENE
70°
ENE
Wind chill25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)24°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Waves
Height1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.7ft)
Direction 59°
ENE
58°
ENE
58°
ENE
58°
ENE
58°
ENE
57°
ENE
57°
ENE
58°
ENE
Period7.0 sec.7.0 sec.7.0 sec.6.9 sec.6.9 sec.7.0 sec.7.0 sec.7.1 sec.
Significant height0.3m (1ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:53 and will set at 19:01 on the beach(es) of Hilo. 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 8.7mph km/h (with gusts up to 13.1mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (75°F)24°C (75°F)25°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (80°F)27°C (80°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%80%80%75%75%71%69%72%
Barometric pressure1015 hPa1014 hPa1015 hPa1015 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover50%81%92%71%68%74%56%63%
Heat index27°C (80°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (80°F)27°C (80°F)26°C (79°F)
Dew point20°C (68°F)20°C (69°F)20°C (68°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)
Wind
Speed9km/h (6mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)12km/h (7mph)14km/h (9mph)10km/h (6mph)4km/h (3mph)
Gusts15km/h (9mph)17km/h (11mph)16km/h (10mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)13km/h (8mph)6km/h (4mph)
Direction 70°
ENE
78°
ENE
81°
E
80°
E
79°
ENE
67°
ENE
157°
SSE
292°
WNW
Wind chill25°C (77°F)24°C (75°F)24°C (75°F)25°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)
Waves
Height1.2m (3.8ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 59°
ENE
60°
ENE
61°
ENE
72°
ENE
94°
E
90°
E
89°
E
88°
E
Period7.1 sec.6.9 sec.6.9 sec.7.0 sec.6.9 sec.8.4 sec.11.4 sec.11.1 sec.
Significant height1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature24°C (76°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:53 and will set at 19:00 on the beach(es) of Hilo. The outside temperature will be a high of 77°F t and a low of 76°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 7.5mph km/h (with gusts up to 11.2mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%75%77%69%67%67%71%75%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1016 hPa1016 hPa1016 hPa1017 hPa
Cloud cover80%82%90%93%70%34%57%94%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Dew point19°C (66°F)19°C (67°F)20°C (68°F)19°C (66°F)18°C (65°F)19°C (65°F)19°C (67°F)20°C (68°F)
Wind
Speed3km/h (2mph)7km/h (4mph)12km/h (8mph)11km/h (7mph)10km/h (6mph)11km/h (7mph)10km/h (6mph)9km/h (6mph)
Gusts5km/h (3mph)10km/h (6mph)18km/h (11mph)17km/h (11mph)15km/h (9mph)16km/h (10mph)15km/h (9mph)13km/h (8mph)
Direction 143°
SE
95°
E
99°
E
73°
ENE
70°
ENE
68°
ENE
49°
NE
34°
NE
Wind chill24°C (76°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (76°F)
Waves
Height1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 86°
E
84°
E
82°
E
79°
E
76°
ENE
77°
ENE
76°
ENE
75°
ENE
Period11.2 sec.9.5 sec.5.7 sec.7.5 sec.9.4 sec.6.2 sec.6.3 sec.6.2 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)26°C (80°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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