Sea weather in Waimanalo in Hawaii All the beach weather in Waimanalo

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

Discover the best moment to go to the beach in Waimanalo in Hawaii this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Waimanalo. 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 202672°F to 79°Fdiscouraged
Sunday 19 July 202672°F to 79°Fdiscouraged
Monday 20 July 202676°F to 77°Fdiscouraged
Tuesday 21 July 202672°F to 79°Fdiscouraged
Wednesday 22 July 202677°F to 79°Fdiscouraged
Thursday 23 July 202672°F to 77°Fdiscouraged
Friday 24 July 202674°F to 77°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Waimanalo

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:59 and will set at 19:16 on the beach(es) of Waimanalo. The outside temperature will be a high of 79°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 24.9mph km/h (with gusts up to 29.8mph). Wave height will be up to 5.9ft 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 (79°F)23°C (73°F)24°C (74°F)24°C (76°F)25°C (77°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)25°C (77°F)25°C (78°F)26°C (79°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%82%81%73%71%73%75%75%
Barometric pressure1016 hPa1014 hPa1015 hPa1017 hPa1016 hPa1015 hPa1015 hPa1017 hPa
Cloud cover73%54%35%11%8%5%13%51%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)25°C (77°F)25°C (78°F)26°C (79°F)27°C (80°F)
Dew point23°C (73°F)22°C (71°F)22°C (71°F)21°C (69°F)17°C (63°F)19°C (65°F)20°C (68°F)20°C (68°F)
Wind
Speed27km/h (17mph)26km/h (16mph)35km/h (21mph)36km/h (23mph)39km/h (24mph)40km/h (25mph)37km/h (23mph)34km/h (21mph)
Gusts37km/h (23mph)36km/h (23mph)48km/h (30mph)47km/h (29mph)43km/h (27mph)45km/h (28mph)40km/h (25mph)46km/h (29mph)
Direction 66°
ENE
63°
ENE
63°
ENE
72°
ENE
65°
ENE
62°
ENE
60°
ENE
61°
ENE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)23°C (73°F)24°C (74°F)24°C (76°F)25°C (77°F)
Waves
Height1.3m (4.2ft)1.2m (4.0ft)1.6m (5.1ft)1.6m (5.2ft)1.7m (5.4ft)1.8m (5.8ft)1.8m (6.0ft)1.7m (5.5ft)
Direction 226°
SW
220°
SW
185°
S
101°
E
101°
E
77°
ENE
70°
ENE
104°
ESE
Period15.2 sec.13.6 sec.13.5 sec.9.7 sec.11.3 sec.11.2 sec.9.6 sec.9.5 sec.
Significant height1.1m (3.6ft)0.9m (3ft)1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)
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 Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:00 and will set at 19:15 on the beach(es) of Waimanalo. The outside temperature will be a high of 79°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 21.1mph km/h (with gusts up to 28mph). Wave height will be up to 5.2ft 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)22°C (72°F)24°C (74°F)24°C (76°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)25°C (76°F)25°C (78°F)26°C (79°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%75%71%71%68%68%72%71%
Barometric pressure1017 hPa1016 hPa1016 hPa1016 hPa1016 hPa1015 hPa1014 hPa1016 hPa
Cloud cover67%33%15%26%0%0%14%6%
Heat index27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)25°C (76°F)25°C (78°F)26°C (79°F)27°C (80°F)
Dew point20°C (68°F)20°C (67°F)19°C (66°F)20°C (67°F)16°C (61°F)17°C (63°F)19°C (66°F)19°C (67°F)
Wind
Speed33km/h (21mph)31km/h (19mph)28km/h (17mph)32km/h (20mph)34km/h (21mph)30km/h (19mph)32km/h (20mph)26km/h (16mph)
Gusts45km/h (28mph)43km/h (27mph)38km/h (24mph)42km/h (26mph)35km/h (22mph)35km/h (22mph)35km/h (22mph)37km/h (23mph)
Direction 60°
ENE
55°
NE
58°
ENE
59°
ENE
66°
ENE
57°
ENE
56°
ENE
58°
ENE
Wind chill25°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)22°C (72°F)24°C (74°F)24°C (76°F)25°C (77°F)
Waves
Height1.6m (5.4ft)1.5m (5.0ft)1.4m (4.7ft)1.4m (4.5ft)1.3m (4.4ft)1.4m (4.7ft)1.5m (4.8ft)1.4m (4.6ft)
Direction 104°
ESE
175°
S
174°
S
173°
S
174°
S
66°
ENE
66°
ENE
66°
ENE
Period9.4 sec.9.1 sec.12.0 sec.10.2 sec.10.0 sec.10.0 sec.10.6 sec.11.6 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)
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 06:00 and will set at 19:15 on the beach(es) of Waimanalo. 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 19.3mph km/h (with gusts up to 26.1mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%73%76%74%74%73%76%77%
Barometric pressure1016 hPa1014 hPa1015 hPa1016 hPa1015 hPa1013 hPa1013 hPa1014 hPa
Cloud cover34%32%47%51%40%20%47%77%
Heat index27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (80°F)
Dew point20°C (67°F)19°C (67°F)20°C (67°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (69°F)21°C (69°F)
Wind
Speed27km/h (17mph)27km/h (17mph)25km/h (15mph)28km/h (17mph)28km/h (17mph)31km/h (19mph)31km/h (19mph)27km/h (17mph)
Gusts37km/h (23mph)38km/h (24mph)35km/h (22mph)36km/h (22mph)38km/h (24mph)42km/h (26mph)40km/h (25mph)37km/h (23mph)
Direction 67°
ENE
62°
ENE
61°
ENE
65°
ENE
57°
ENE
56°
NE
53°
NE
54°
NE
Wind chill25°C (77°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Waves
Height1.2m (4.0ft)1.3m (4.3ft)1.2m (4.0ft)1.2m (3.8ft)1.2m (3.9ft)1.2m (4.1ft)1.3m (4.2ft)1.3m (4.4ft)
Direction 148°
SSE
145°
SE
174°
S
175°
S
174°
S
173°
S
174°
S
174°
S
Period12.6 sec.12.7 sec.16.6 sec.16.5 sec.16.0 sec.15.6 sec.15.5 sec.15.4 sec.
Significant height1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.3m (4.3ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)
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 06:01 and will set at 19:15 on the beach(es) of Waimanalo. The outside temperature will be a high of 79°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 19.9mph km/h (with gusts up to 31.1mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (78°F)22°C (72°F)24°C (75°F)25°C (76°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (80°F)27°C (80°F)27°C (81°F)25°C (76°F)26°C (78°F)26°C (80°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%76%74%71%71%75%78%
Barometric pressure1015 hPa1013 hPa1014 hPa1015 hPa1014 hPa1013 hPa1013 hPa1014 hPa
Cloud cover47%45%40%18%10%13%14%57%
Heat index27°C (80°F)26°C (80°F)27°C (80°F)27°C (81°F)25°C (76°F)26°C (78°F)26°C (80°F)27°C (81°F)
Dew point20°C (69°F)20°C (69°F)20°C (68°F)20°C (69°F)17°C (62°F)18°C (65°F)20°C (68°F)21°C (70°F)
Wind
Speed24km/h (15mph)24km/h (15mph)26km/h (16mph)25km/h (15mph)28km/h (17mph)31km/h (19mph)32km/h (20mph)32km/h (20mph)
Gusts33km/h (20mph)34km/h (21mph)35km/h (22mph)32km/h (20mph)28km/h (18mph)35km/h (22mph)50km/h (31mph)44km/h (27mph)
Direction 56°
NE
56°
NE
58°
ENE
59°
ENE
65°
ENE
57°
ENE
60°
ENE
65°
ENE
Wind chill25°C (76°F)25°C (76°F)25°C (76°F)25°C (78°F)22°C (72°F)24°C (75°F)25°C (76°F)25°C (77°F)
Waves
Height1.4m (4.5ft)1.3m (4.4ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (4.0ft)1.4m (4.5ft)1.4m (4.7ft)1.4m (4.7ft)
Direction 175°
S
173°
S
174°
S
174°
S
172°
S
171°
S
170°
S
169°
SSE
Period15.2 sec.14.6 sec.14.5 sec.14.5 sec.14.4 sec.14.2 sec.13.7 sec.13.6 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:01 and will set at 19:14 on the beach(es) of Waimanalo. 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 23mph km/h (with gusts up to 31.1mph). 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 (77°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)
Perceived temperature27°C (80°F)27°C (80°F)26°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%76%75%74%74%73%74%73%
Barometric pressure1015 hPa1014 hPa1014 hPa1015 hPa1015 hPa1014 hPa1014 hPa1016 hPa
Cloud cover63%83%74%80%64%32%18%32%
Heat index27°C (80°F)27°C (80°F)26°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Dew point21°C (70°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)20°C (68°F)20°C (67°F)
Wind
Speed32km/h (20mph)33km/h (21mph)34km/h (21mph)35km/h (22mph)33km/h (21mph)35km/h (21mph)37km/h (23mph)35km/h (22mph)
Gusts44km/h (27mph)45km/h (28mph)47km/h (29mph)45km/h (28mph)45km/h (28mph)47km/h (29mph)50km/h (31mph)49km/h (30mph)
Direction 68°
ENE
62°
ENE
56°
NE
64°
ENE
65°
ENE
59°
ENE
61°
ENE
63°
ENE
Wind chill25°C (77°F)25°C (77°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)
Waves
Height1.4m (4.5ft)1.3m (4.4ft)1.3m (4.2ft)1.4m (4.5ft)1.5m (5.0ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 169°
S
167°
SSE
167°
SSE
168°
SSE
170°
S
170°
S
168°
SSE
165°
SSE
Period13.6 sec.13.6 sec.13.4 sec.13.4 sec.13.4 sec.13.4 sec.13.3 sec.13.2 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)
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 Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:01 and will set at 19:14 on the beach(es) of Waimanalo. 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 24.9mph km/h (with gusts up to 33.6mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (76°F)25°C (77°F)24°C (75°F)22°C (72°F)24°C (75°F)25°C (77°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (76°F)26°C (78°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%73%73%71%70%72%74%76%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1015 hPa1016 hPa
Cloud cover44%38%40%26%5%16%23%25%
Heat index27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (76°F)26°C (78°F)27°C (81°F)27°C (80°F)
Dew point20°C (68°F)19°C (67°F)20°C (67°F)18°C (65°F)16°C (61°F)19°C (65°F)20°C (68°F)20°C (69°F)
Wind
Speed35km/h (21mph)31km/h (19mph)30km/h (19mph)35km/h (22mph)38km/h (23mph)39km/h (24mph)40km/h (25mph)37km/h (23mph)
Gusts47km/h (29mph)43km/h (27mph)41km/h (26mph)44km/h (27mph)43km/h (27mph)48km/h (30mph)54km/h (33mph)51km/h (32mph)
Direction 68°
ENE
68°
ENE
69°
ENE
69°
ENE
64°
ENE
63°
ENE
66°
ENE
67°
ENE
Wind chill25°C (77°F)25°C (76°F)25°C (77°F)24°C (75°F)22°C (72°F)24°C (75°F)25°C (77°F)25°C (77°F)
Waves
Height1.6m (5.3ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)
Direction 165°
SSE
165°
SSE
176°
S
193°
SSW
183°
S
165°
SSE
176°
S
184°
S
Period12.9 sec.12.7 sec.12.5 sec.12.4 sec.12.1 sec.11.7 sec.11.9 sec.12.2 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)
Sea water temperature
Water temperature24°C (76°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 06:02 and will set at 19:14 on the beach(es) of Waimanalo. 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 24.2mph km/h (with gusts up to 31.7mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)23°C (74°F)24°C (76°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)25°C (78°F)26°C (79°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%79%74%72%72%73%74%73%
Barometric pressure1017 hPa1016 hPa1017 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover49%68%45%35%25%9%8%15%
Heat index27°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)25°C (78°F)26°C (79°F)27°C (80°F)
Dew point21°C (69°F)21°C (69°F)20°C (68°F)20°C (67°F)19°C (66°F)18°C (65°F)19°C (67°F)20°C (67°F)
Wind
Speed36km/h (22mph)35km/h (22mph)36km/h (22mph)34km/h (21mph)35km/h (21mph)37km/h (23mph)39km/h (24mph)37km/h (23mph)
Gusts49km/h (30mph)48km/h (30mph)48km/h (30mph)45km/h (28mph)44km/h (27mph)38km/h (23mph)44km/h (27mph)51km/h (32mph)
Direction 66°
ENE
69°
ENE
64°
ENE
57°
ENE
58°
ENE
61°
ENE
62°
ENE
62°
ENE
Wind chill25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)23°C (74°F)24°C (76°F)25°C (77°F)
Waves
Height1.8m (5.9ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)1.9m (6.2ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)
Direction 165°
SSE
175°
S
196°
SSW
185°
S
166°
SSE
166°
SSE
177°
S
184°
S
Period12.7 sec.14.9 sec.12.9 sec.12.2 sec.10.6 sec.11.7 sec.15.3 sec.14.0 sec.
Significant height1.5m (4.9ft)1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)
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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