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
Thursday 4 December 202574°F to 76°Fdiscouraged
Friday 5 December 202574°F to 76°Fdiscouraged
Saturday 6 December 202574°F to 76°Frecommended
Sunday 7 December 202574°F to 76°Frecommended
Monday 8 December 202574°F to 76°Frecommended
Tuesday 9 December 202572°F to 74°Frecommended
Wednesday 10 December 202572°F to 76°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Hilo

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 06:40 and will set at 17:41 on the beach(es) of Hilo. The outside temperature will be a high of 76°F t and a low of 74°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 17.4mph km/h (with gusts up to 26.7mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity76%75%71%74%70%71%77%78%
Barometric pressure1015 hPa1015 hPa1016 hPa1017 hPa1016 hPa1015 hPa1017 hPa1019 hPa
Cloud cover81%89%26%74%21%16%71%78%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (78°F)26°C (78°F)
Dew point19°C (66°F)19°C (66°F)18°C (64°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (67°F)20°C (67°F)
Wind
Speed18km/h (11mph)17km/h (11mph)14km/h (9mph)16km/h (10mph)25km/h (15mph)28km/h (17mph)21km/h (13mph)21km/h (13mph)
Gusts25km/h (16mph)25km/h (15mph)20km/h (13mph)22km/h (14mph)36km/h (22mph)43km/h (27mph)32km/h (20mph)31km/h (19mph)
Direction 157°
SSE
169°
S
172°
S
142°
SE
128°
SE
128°
SE
134°
SE
129°
SE
Wind chill23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)
Waves
Height0.8m (2.7ft)0.9m (2.9ft)0.9m (3.1ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.4ft)1.1m (3.6ft)1.3m (4.2ft)
Direction 324°
NW
322°
NW
320°
NW
320°
NW
319°
NW
318°
NW
322°
NW
93°
E
Period11.7 sec.11.8 sec.5.3 sec.5.5 sec.11.8 sec.11.5 sec.11.3 sec.12.5 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (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 Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:41 and will set at 17:41 on the beach(es) of Hilo. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.3in 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 14.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 6.2ft 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)23°C (74°F)24°C (74°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)25°C (77°F)25°C (78°F)
Precipitation0.1in0.1in0in0in0in0in0in0.1in
Humidity77%74%74%76%76%78%77%76%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1017 hPa1016 hPa1017 hPa1019 hPa
Cloud cover67%81%57%81%63%66%88%87%
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)25°C (77°F)25°C (78°F)
Dew point20°C (67°F)19°C (66°F)19°C (66°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)
Wind
Speed24km/h (15mph)17km/h (10mph)17km/h (11mph)18km/h (11mph)22km/h (14mph)19km/h (12mph)16km/h (10mph)16km/h (10mph)
Gusts30km/h (18mph)24km/h (15mph)28km/h (17mph)24km/h (15mph)33km/h (20mph)28km/h (17mph)25km/h (16mph)23km/h (14mph)
Direction 111°
ESE
118°
ESE
130°
SE
136°
SE
124°
SE
116°
ESE
125°
SE
98°
E
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)23°C (74°F)24°C (74°F)
Waves
Height1.5m (4.9ft)1.6m (5.2ft)1.6m (5.4ft)1.8m (5.8ft)1.8m (6.1ft)1.9m (6.1ft)1.8m (5.9ft)1.8m (5.8ft)
Direction 90°
E
84°
E
82°
E
74°
ENE
73°
ENE
73°
ENE
75°
ENE
78°
ENE
Period14.7 sec.6.8 sec.7.5 sec.7.8 sec.7.9 sec.7.9 sec.7.9 sec.7.8 sec.
Significant height0.9m (3ft)1.0m (3.3ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)
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 Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:42 and will set at 17:41 on the beach(es) of Hilo. 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 8.1mph km/h (with gusts up to 15.5mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)24°C (74°F)24°C (74°F)24°C (75°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)
Perceived temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%71%67%64%67%71%73%75%
Barometric pressure1018 hPa1017 hPa1017 hPa1019 hPa1016 hPa1015 hPa1016 hPa1018 hPa
Cloud cover96%100%87%19%3%74%74%81%
Heat index25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point19°C (66°F)18°C (65°F)17°C (63°F)17°C (62°F)16°C (61°F)18°C (64°F)18°C (64°F)18°C (65°F)
Wind
Speed13km/h (8mph)12km/h (7mph)11km/h (7mph)8km/h (5mph)12km/h (7mph)13km/h (8mph)6km/h (4mph)6km/h (4mph)
Gusts25km/h (15mph)16km/h (10mph)15km/h (10mph)10km/h (6mph)19km/h (12mph)20km/h (12mph)10km/h (6mph)9km/h (6mph)
Direction 97°
E
99°
E
99°
E
134°
SE
118°
ESE
100°
E
80°
E
104°
ESE
Wind chill24°C (74°F)24°C (74°F)24°C (74°F)24°C (75°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)
Waves
Height1.7m (5.6ft)1.7m (5.5ft)1.6m (5.2ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.8ft)1.4m (4.7ft)1.4m (4.7ft)
Direction 81°
E
326°
NNW
328°
NNW
326°
NW
328°
NNW
330°
NNW
328°
NNW
330°
NNW
Period7.7 sec.7.6 sec.7.6 sec.7.6 sec.7.7 sec.7.7 sec.7.7 sec.7.7 sec.
Significant height0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
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 06:42 and will set at 17:42 on the beach(es) of Hilo. The outside temperature will be a high of 76°F t and a low of 74°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 4.9ft 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)23°C (74°F)24°C (74°F)24°C (74°F)23°C (74°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%75%74%76%73%68%64%68%
Barometric pressure1017 hPa1016 hPa1017 hPa1018 hPa1017 hPa1015 hPa1017 hPa1018 hPa
Cloud cover70%78%55%70%80%60%50%62%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point18°C (65°F)18°C (65°F)18°C (65°F)19°C (66°F)18°C (65°F)17°C (63°F)16°C (61°F)17°C (63°F)
Wind
Speed4km/h (2mph)4km/h (2mph)6km/h (4mph)11km/h (7mph)16km/h (10mph)13km/h (8mph)10km/h (6mph)7km/h (4mph)
Gusts5km/h (3mph)6km/h (4mph)9km/h (5mph)15km/h (9mph)23km/h (14mph)19km/h (12mph)15km/h (10mph)10km/h (6mph)
Direction 110°
ESE
102°
ESE
96°
E
90°
E
82°
E
68°
ENE
57°
ENE
19°
NNE
Wind chill23°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)23°C (74°F)23°C (74°F)
Waves
Height1.4m (4.7ft)1.5m (4.8ft)1.5m (4.9ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.7ft)1.4m (4.5ft)
Direction 332°
NNW
333°
NNW
69°
ENE
72°
ENE
71°
ENE
72°
ENE
72°
ENE
72°
ENE
Period7.6 sec.8.8 sec.8.2 sec.8.1 sec.8.0 sec.7.9 sec.7.8 sec.7.8 sec.
Significant height0.7m (2.3ft)1.0m (3.3ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.2m (0.7ft)0.3m (1ft)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 on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:43 and will set at 17:42 on the beach(es) of Hilo. 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 6.8mph km/h (with gusts up to 9.9mph). Wave height will be up to 4.3ft 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)24°C (74°F)23°C (73°F)23°C (74°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 (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%70%70%68%66%71%69%71%
Barometric pressure1018 hPa1016 hPa1016 hPa1018 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover76%70%77%65%71%88%74%76%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point17°C (62°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (62°F)17°C (63°F)17°C (63°F)17°C (63°F)
Wind
Speed2km/h (1mph)2km/h (1mph)1km/h (1mph)5km/h (3mph)10km/h (6mph)11km/h (7mph)10km/h (6mph)5km/h (3mph)
Gusts3km/h (2mph)3km/h (2mph)2km/h (1mph)6km/h (4mph)14km/h (9mph)16km/h (10mph)16km/h (10mph)8km/h (5mph)
Direction 30°
NNE
339°
NNW
44°
NE
83°
E
78°
ENE
93°
E
95°
E
155°
SSE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (74°F)23°C (73°F)23°C (74°F)23°C (73°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.2ft)1.3m (4.1ft)1.2m (4.1ft)1.2m (3.9ft)1.2m (3.8ft)1.2m (3.9ft)
Direction 71°
ENE
71°
ENE
72°
ENE
71°
ENE
71°
ENE
80°
E
80°
E
79°
E
Period7.7 sec.7.7 sec.7.6 sec.7.5 sec.7.5 sec.7.6 sec.7.6 sec.7.6 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.9m (3ft)0.9m (3ft)0.9m (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 06:44 and will set at 17:42 on the beach(es) of Hilo. 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 6.8mph km/h (with gusts up to 10.6mph). Wave height will be up to 3.9ft 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 (74°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%69%69%71%74%72%72%75%
Barometric pressure1016 hPa1015 hPa1015 hPa1015 hPa1014 hPa1013 hPa1014 hPa1014 hPa
Cloud cover87%54%53%41%12%25%48%29%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point18°C (64°F)17°C (62°F)17°C (62°F)17°C (62°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)
Wind
Speed6km/h (4mph)4km/h (2mph)3km/h (2mph)5km/h (3mph)10km/h (6mph)11km/h (7mph)8km/h (5mph)7km/h (4mph)
Gusts9km/h (6mph)5km/h (3mph)5km/h (3mph)7km/h (4mph)15km/h (9mph)17km/h (11mph)11km/h (7mph)10km/h (6mph)
Direction 163°
SSE
146°
SSE
154°
SSE
160°
SSE
111°
ESE
104°
ESE
127°
SE
157°
SSE
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 (74°F)23°C (74°F)
Waves
Height1.2m (3.8ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)
Direction 79°
ENE
78°
ENE
78°
ENE
77°
ENE
75°
ENE
74°
ENE
73°
ENE
72°
ENE
Period7.6 sec.7.8 sec.8.0 sec.7.8 sec.7.5 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)
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 06:44 and will set at 17:43 on the beach(es) of Hilo. 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 18.6mph km/h (with gusts up to 20.5mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)24°C (74°F)24°C (74°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%75%73%72%71%74%76%
Barometric pressure1014 hPa1013 hPa1012 hPa1013 hPa1011 hPa1009 hPa1010 hPa1011 hPa
Cloud cover37%37%27%13%8%7%4%2%
Heat index25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Dew point18°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)18°C (65°F)18°C (64°F)18°C (65°F)19°C (66°F)
Wind
Speed10km/h (6mph)10km/h (6mph)11km/h (7mph)15km/h (9mph)25km/h (15mph)30km/h (19mph)26km/h (16mph)21km/h (13mph)
Gusts14km/h (9mph)15km/h (9mph)15km/h (10mph)22km/h (14mph)32km/h (20mph)33km/h (20mph)33km/h (21mph)31km/h (19mph)
Direction 170°
S
173°
S
171°
S
158°
SSE
134°
SE
133°
SE
143°
SE
162°
SSE
Wind chill23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)24°C (74°F)24°C (74°F)23°C (73°F)23°C (74°F)
Waves
Height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)
Direction 72°
ENE
73°
ENE
74°
ENE
75°
ENE
76°
ENE
76°
ENE
75°
ENE
161°
SSE
Period7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.5 sec.7.5 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.9m (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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