Sea weather in Kauai (Garden Isle) in Hawaii All the beach weather in Kauai (Garden Isle)

All the essential weather information for enjoying the beach in Kauai (Garden Isle) 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 Kauai (Garden Isle) over the next 7 days?

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

Date Outside temp. Our opinion
Saturday 17 January 202668°F to 72°Fdiscouraged
Sunday 18 January 202672°F to 74°Fdiscouraged
Monday 19 January 202672°F to 74°Frecommended
Tuesday 20 January 202672°F to 74°Frecommended
Wednesday 21 January 202668°F to 74°Fdiscouraged
Thursday 22 January 202667°F to 72°Fnot recommended
Friday 23 January 202670°F to 72°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Kauai (Garden Isle)

Sea weather on Saturday 17 January 2026

On Saturday 17 January 2026, the sun will rise at 07:19 and will set at 18:16 on the beach(es) of Kauai (Garden Isle). The outside temperature will be a high of 72°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 19.9mph km/h (with gusts up to 26.7mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)20°C (69°F)21°C (69°F)21°C (70°F)22°C (71°F)21°C (70°F)21°C (71°F)22°C (71°F)
Perceived temperature21°C (70°F)20°C (69°F)21°C (69°F)21°C (70°F)22°C (71°F)21°C (70°F)21°C (71°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%67%64%62%58%61%61%61%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1018 hPa1015 hPa1016 hPa1016 hPa
Cloud cover97%78%55%88%75%88%81%84%
Heat index24°C (76°F)20°C (69°F)21°C (69°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)
Dew point14°C (58°F)14°C (58°F)14°C (57°F)14°C (56°F)13°C (55°F)14°C (56°F)14°C (56°F)14°C (57°F)
Wind
Speed24km/h (15mph)26km/h (16mph)32km/h (20mph)29km/h (18mph)28km/h (17mph)27km/h (17mph)28km/h (17mph)32km/h (20mph)
Gusts32km/h (20mph)34km/h (21mph)41km/h (25mph)37km/h (23mph)37km/h (23mph)37km/h (23mph)39km/h (25mph)43km/h (27mph)
Direction 62°
ENE
54°
NE
49°
NE
66°
ENE
70°
ENE
66°
ENE
70°
ENE
84°
E
Wind chill21°C (70°F)20°C (69°F)21°C (69°F)21°C (70°F)22°C (71°F)21°C (70°F)21°C (71°F)22°C (71°F)
Waves
Height2.3m (7.6ft)2.3m (7.4ft)2.2m (7.2ft)2.1m (7.1ft)2.1m (6.9ft)2.1m (6.8ft)2.0m (6.5ft)2.0m (6.5ft)
Direction 347°
NNW
349°
NNW
350°
N
350°
N
352°
N
353°
N
353°
N
354°
N
Period12.7 sec.12.5 sec.12.3 sec.12.1 sec.11.9 sec.11.8 sec.11.7 sec.11.5 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Sunday 18 January 2026

On Sunday 18 January 2026, the sun will rise at 07:19 and will set at 18:17 on the beach(es) of Kauai (Garden Isle). 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 18mph km/h (with gusts up to 24.2mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Perceived temperature22°C (71°F)22°C (71°F)22°C (71°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%65%69%66%66%66%68%68%
Barometric pressure1016 hPa1015 hPa1015 hPa1016 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover70%76%66%69%85%84%71%77%
Heat index25°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)
Dew point14°C (58°F)15°C (59°F)16°C (60°F)15°C (60°F)15°C (60°F)16°C (60°F)16°C (61°F)17°C (62°F)
Wind
Speed29km/h (18mph)27km/h (17mph)28km/h (17mph)26km/h (16mph)28km/h (17mph)24km/h (15mph)27km/h (17mph)23km/h (14mph)
Gusts38km/h (24mph)35km/h (22mph)37km/h (23mph)34km/h (21mph)39km/h (24mph)34km/h (21mph)39km/h (24mph)32km/h (20mph)
Direction 74°
ENE
97°
E
98°
E
100°
E
114°
ESE
103°
ESE
98°
E
116°
ESE
Wind chill22°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Waves
Height2.1m (6.8ft)2.1m (6.9ft)2.1m (7.0ft)2.3m (7.5ft)2.3m (7.6ft)2.3m (7.4ft)2.1m (7.0ft)2.0m (6.7ft)
Direction 354°
N
354°
N
76°
ENE
325°
NW
325°
NW
324°
NW
324°
NW
324°
NW
Period11.4 sec.11.4 sec.11.6 sec.17.5 sec.16.6 sec.16.3 sec.15.4 sec.15.2 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Monday 19 January 2026

On Monday 19 January 2026, the sun will rise at 07:19 and will set at 18:18 on the beach(es) of Kauai (Garden Isle). 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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 6.2ft 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)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (76°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%60%62%64%66%71%74%74%
Barometric pressure1014 hPa1013 hPa1013 hPa1014 hPa1014 hPa1012 hPa1013 hPa1014 hPa
Cloud cover82%5%8%18%34%45%51%38%
Heat index25°C (77°F)25°C (76°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)
Dew point15°C (59°F)14°C (58°F)14°C (58°F)15°C (59°F)16°C (61°F)17°C (63°F)18°C (64°F)18°C (64°F)
Wind
Speed13km/h (8mph)10km/h (6mph)7km/h (4mph)8km/h (5mph)11km/h (7mph)16km/h (10mph)14km/h (9mph)7km/h (4mph)
Gusts18km/h (11mph)15km/h (9mph)10km/h (6mph)11km/h (7mph)15km/h (10mph)23km/h (14mph)20km/h (13mph)10km/h (6mph)
Direction 150°
SSE
164°
SSE
172°
S
183°
S
161°
SSE
168°
SSE
181°
S
196°
SSW
Wind chill23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Waves
Height1.9m (6.3ft)1.9m (6.2ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)
Direction 323°
NW
320°
NW
319°
NW
319°
NW
321°
NW
322°
NW
245°
WSW
167°
SSE
Period14.6 sec.7.2 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.
Significant height0.9m (3ft)0.6m (2ft)0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)1.2m (3.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Tuesday 20 January 2026

On Tuesday 20 January 2026, the sun will rise at 07:19 and will set at 18:19 on the beach(es) of Kauai (Garden Isle). 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 5mph km/h (with gusts up to 7.5mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Perceived temperature25°C (76°F)25°C (76°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%75%75%72%70%71%72%74%
Barometric pressure1014 hPa1013 hPa1013 hPa1015 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover41%44%21%26%24%32%49%51%
Heat index25°C (76°F)25°C (76°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)
Dew point18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)18°C (64°F)18°C (65°F)
Wind
Speed4km/h (2mph)3km/h (2mph)3km/h (2mph)4km/h (2mph)7km/h (4mph)8km/h (5mph)5km/h (3mph)7km/h (4mph)
Gusts6km/h (4mph)4km/h (3mph)5km/h (3mph)5km/h (3mph)10km/h (6mph)12km/h (8mph)8km/h (5mph)10km/h (6mph)
Direction 207°
SSW
243°
WSW
205°
SSW
51°
NE
116°
ESE
96°
E
140°
SE
358°
N
Wind chill22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.5m (4.9ft)1.6m (5.2ft)
Direction 323°
NW
316°
NW
304°
WNW
302°
WNW
300°
WNW
302°
WNW
308°
NW
311°
NW
Period7.3 sec.7.3 sec.7.3 sec.7.3 sec.10.1 sec.15.2 sec.14.5 sec.15.0 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Wednesday 21 January 2026

On Wednesday 21 January 2026, the sun will rise at 07:18 and will set at 18:19 on the beach(es) of Kauai (Garden Isle). The outside temperature will be a high of 74°F t and a low of 68°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 17.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)22°C (72°F)21°C (70°F)21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)
Perceived temperature25°C (77°F)25°C (76°F)21°C (70°F)21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%78%87%88%87%88%88%86%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1017 hPa1015 hPa1016 hPa1017 hPa
Cloud cover49%56%70%79%85%92%100%100%
Heat index25°C (77°F)25°C (76°F)23°C (74°F)21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)22°C (72°F)
Dew point18°C (65°F)18°C (65°F)19°C (66°F)19°C (66°F)19°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)
Wind
Speed9km/h (5mph)16km/h (10mph)23km/h (15mph)20km/h (13mph)20km/h (12mph)18km/h (11mph)19km/h (12mph)28km/h (17mph)
Gusts13km/h (8mph)22km/h (14mph)31km/h (19mph)28km/h (17mph)27km/h (17mph)25km/h (16mph)28km/h (17mph)42km/h (26mph)
Direction 357°
N
356°
N
351°
N
233°
SW

N
11°
NNE
26°
NNE
42°
NE
Wind chill23°C (73°F)22°C (72°F)21°C (70°F)21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)21°C (70°F)
Waves
Height1.6m (5.2ft)1.7m (5.6ft)1.8m (5.9ft)2.0m (6.6ft)2.1m (6.9ft)2.3m (7.5ft)2.3m (7.5ft)2.3m (7.5ft)
Direction 309°
NW
308°
NW
308°
NW
310°
NW
308°
NW
223°
SW
58°
ENE
61°
ENE
Period16.4 sec.15.8 sec.15.2 sec.14.7 sec.14.5 sec.14.4 sec.14.2 sec.13.9 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)1.4m (4.6ft)1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Thursday 22 January 2026

On Thursday 22 January 2026, the sun will rise at 07:18 and will set at 18:20 on the beach(es) of Kauai (Garden Isle). The outside temperature will be a high of 72°F t and a low of 67°F. A total of 1.8in of precipitation could spoil your day at the beach. Be careful, the sea will be generally rough with a wind speed of up to 32.3mph km/h (with gusts up to 37.9mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)20°C (69°F)19°C (67°F)20°C (68°F)21°C (69°F)
Perceived temperature22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)20°C (69°F)19°C (67°F)20°C (68°F)21°C (69°F)
Precipitation0in0.1in0.1in0.2in0.4in0.5in0.4in0.2in
Humidity83%85%89%90%92%92%90%87%
Barometric pressure1016 hPa1015 hPa1015 hPa1016 hPa1015 hPa1014 hPa1015 hPa1015 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)23°C (74°F)20°C (69°F)19°C (67°F)20°C (68°F)22°C (71°F)
Dew point19°C (65°F)19°C (66°F)19°C (67°F)19°C (67°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (66°F)
Wind
Speed33km/h (21mph)39km/h (24mph)41km/h (25mph)45km/h (28mph)49km/h (31mph)50km/h (31mph)48km/h (30mph)52km/h (32mph)
Gusts42km/h (26mph)42km/h (26mph)47km/h (29mph)50km/h (31mph)54km/h (34mph)59km/h (37mph)60km/h (38mph)61km/h (38mph)
Direction 52°
NE
59°
ENE
70°
ENE
77°
ENE
71°
ENE
60°
ENE
61°
ENE
67°
ENE
Wind chill22°C (71°F)22°C (71°F)21°C (70°F)21°C (70°F)20°C (69°F)19°C (67°F)20°C (68°F)21°C (69°F)
Waves
Height2.4m (7.9ft)2.4m (7.9ft)2.2m (7.2ft)2.1m (6.9ft)2.1m (6.9ft)2.0m (6.6ft)2.1m (6.9ft)2.2m (7.2ft)
Direction 67°
ENE
69°
ENE
71°
ENE
73°
ENE
75°
ENE
74°
ENE
70°
ENE
57°
ENE
Period13.7 sec.13.6 sec.13.5 sec.13.3 sec.11.5 sec.9.2 sec.13.0 sec.12.7 sec.
Significant height1.5m (4.9ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Friday 23 January 2026

On Friday 23 January 2026, the sun will rise at 07:18 and will set at 18:21 on the beach(es) of Kauai (Garden Isle). The outside temperature will be a high of 72°F t and a low of 70°F. A total of 3.1in of precipitation could spoil your day at the beach. Be careful, the sea will be generally rough with a wind speed of up to 26.7mph km/h (with gusts up to 34.2mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (71°F)22°C (71°F)
Perceived temperature21°C (70°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (71°F)22°C (71°F)
Precipitation0.1in0.4in0.7in0.3in0.6in0.5in0.2in0.2in
Humidity91%94%95%93%94%94%92%90%
Barometric pressure1014 hPa1012 hPa1012 hPa1015 hPa1015 hPa1013 hPa1014 hPa1017 hPa
Cloud cover100%100%100%100%100%100%100%92%
Heat index24°C (76°F)24°C (76°F)24°C (76°F)23°C (73°F)22°C (71°F)24°C (76°F)24°C (76°F)24°C (76°F)
Dew point20°C (67°F)21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)
Wind
Speed43km/h (27mph)24km/h (15mph)17km/h (11mph)12km/h (7mph)6km/h (4mph)8km/h (5mph)6km/h (4mph)10km/h (6mph)
Gusts55km/h (34mph)33km/h (21mph)31km/h (19mph)23km/h (15mph)13km/h (8mph)16km/h (10mph)13km/h (8mph)18km/h (11mph)
Direction 81°
E
119°
ESE
163°
SSE
212°
SSW
252°
WSW
288°
WNW
267°
W
187°
S
Wind chill21°C (70°F)22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (71°F)22°C (71°F)
Waves
Height2.4m (7.9ft)2.4m (7.9ft)2.3m (7.5ft)2.3m (7.5ft)2.1m (6.9ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)
Direction 50°
NE
57°
ENE
67°
ENE
70°
ENE
163°
SSE
345°
NNW
342°
NNW
344°
NNW
Period12.4 sec.13.4 sec.15.3 sec.14.8 sec.13.4 sec.11.0 sec.10.0 sec.9.2 sec.
Significant height1.5m (4.9ft)1.2m (3.9ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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