Sea weather in Yakushima in Japan All the beach weather in Yakushima

All the essential weather information for enjoying the beach in Yakushima in Japan, 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 Yakushima over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202547°F to 59°Fdiscouraged
Saturday 6 December 202550°F to 58°Frecommended
Sunday 7 December 202554°F to 61°Frecommended
Monday 8 December 202559°F to 65°Fdiscouraged
Tuesday 9 December 202554°F to 61°Fdiscouraged
Wednesday 10 December 202556°F to 63°Frecommended
Thursday 11 December 202563°F to 65°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Yakushima

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:00 and will set at 17:17 on the beach(es) of Yakushima. The outside temperature will be a high of 59°F t and a low of 47°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 24.2mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (56°F)14°C (57°F)14°C (58°F)15°C (59°F)14°C (58°F)9°C (48°F)12°C (54°F)
Perceived temperature11°C (53°F)11°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)12°C (54°F)6°C (42°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%73%72%68%59%61%64%64%
Barometric pressure1024 hPa1024 hPa1023 hPa1024 hPa1023 hPa1022 hPa1023 hPa1024 hPa
Cloud cover72%72%80%92%57%66%0%0%
Heat index13°C (55°F)13°C (56°F)14°C (57°F)14°C (58°F)15°C (59°F)14°C (58°F)9°C (48°F)12°C (54°F)
Dew point8°C (46°F)8°C (47°F)9°C (48°F)8°C (47°F)7°C (44°F)7°C (44°F)3°C (37°F)6°C (42°F)
Wind
Speed14km/h (9mph)19km/h (12mph)23km/h (15mph)27km/h (17mph)30km/h (18mph)31km/h (19mph)27km/h (17mph)19km/h (12mph)
Gusts19km/h (12mph)24km/h (15mph)30km/h (18mph)33km/h (20mph)37km/h (23mph)39km/h (24mph)27km/h (17mph)26km/h (16mph)
Direction 316°
NW
332°
NNW
332°
NNW
329°
NNW
323°
NW
335°
NNW
342°
NNW
339°
NNW
Wind chill11°C (53°F)11°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)12°C (54°F)6°C (42°F)10°C (50°F)
Waves
Height0.9m (3.1ft)0.8m (2.7ft)1.0m (3.2ft)1.4m (4.5ft)1.5m (4.8ft)1.7m (5.6ft)1.5m (5.0ft)1.2m (4.1ft)
Direction 306°
NW
307°
NW
310°
NW
313°
NW
315°
NW
317°
NW
318°
NW
316°
NW
Period9.1 sec.9.3 sec.9.1 sec.9.2 sec.9.1 sec.9.2 sec.9.2 sec.7.0 sec.
Significant height0.6m (2ft)0.7m (2.3ft)1.0m (3.3ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)0.9m (3ft)0.6m (2ft)
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 Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:01 and will set at 17:17 on the beach(es) of Yakushima. The outside temperature will be a high of 58°F t and a low of 50°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 12.4mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)12°C (53°F)12°C (53°F)13°C (55°F)13°C (55°F)13°C (55°F)10°C (50°F)14°C (57°F)
Perceived temperature10°C (51°F)10°C (50°F)10°C (50°F)12°C (54°F)12°C (54°F)12°C (54°F)9°C (48°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%64%63%60%60%61%64%66%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1023 hPa1023 hPa1024 hPa1024 hPa
Cloud cover11%0%0%7%8%6%0%0%
Heat index12°C (54°F)12°C (53°F)12°C (53°F)13°C (55°F)13°C (55°F)13°C (55°F)10°C (50°F)14°C (57°F)
Dew point5°C (42°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (42°F)6°C (42°F)4°C (39°F)7°C (45°F)
Wind
Speed14km/h (9mph)14km/h (9mph)13km/h (8mph)8km/h (5mph)9km/h (5mph)9km/h (6mph)10km/h (6mph)12km/h (7mph)
Gusts19km/h (12mph)20km/h (12mph)18km/h (11mph)11km/h (7mph)12km/h (8mph)15km/h (9mph)20km/h (13mph)17km/h (10mph)
Direction 350°
N
339°
NNW
343°
NNW
342°
NNW
330°
NNW
337°
NNW
338°
NNW
336°
NNW
Wind chill10°C (51°F)10°C (50°F)10°C (50°F)12°C (54°F)12°C (54°F)12°C (54°F)9°C (48°F)13°C (55°F)
Waves
Height1.0m (3.4ft)0.9m (2.9ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 315°
NW
312°
NW
313°
NW
316°
NW
109°
ESE
109°
ESE
108°
ESE
107°
ESE
Period7.1 sec.7.0 sec.6.8 sec.6.6 sec.6.3 sec.6.1 sec.9.1 sec.9.0 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
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 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:02 and will set at 17:17 on the beach(es) of Yakushima. The outside temperature will be a high of 61°F t and a low of 54°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 11.2mph km/h (with gusts up to 19.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (57°F)14°C (58°F)16°C (60°F)14°C (58°F)14°C (57°F)13°C (55°F)16°C (61°F)
Perceived temperature13°C (55°F)13°C (55°F)13°C (55°F)16°C (60°F)13°C (56°F)13°C (55°F)11°C (53°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%71%67%62%62%61%63%64%
Barometric pressure1024 hPa1024 hPa1023 hPa1023 hPa1023 hPa1022 hPa1023 hPa1024 hPa
Cloud cover0%3%0%0%0%0%0%0%
Heat index14°C (57°F)14°C (57°F)14°C (58°F)16°C (60°F)14°C (58°F)14°C (57°F)13°C (55°F)16°C (61°F)
Dew point8°C (47°F)9°C (48°F)8°C (47°F)8°C (47°F)7°C (45°F)7°C (44°F)6°C (42°F)9°C (49°F)
Wind
Speed17km/h (11mph)18km/h (11mph)18km/h (11mph)15km/h (9mph)14km/h (9mph)16km/h (10mph)11km/h (7mph)11km/h (7mph)
Gusts24km/h (15mph)25km/h (16mph)26km/h (16mph)19km/h (12mph)25km/h (16mph)32km/h (20mph)23km/h (15mph)16km/h (10mph)
Direction 329°
NNW
335°
NNW
337°
NNW
353°
N
358°
N
345°
NNW
353°
N
341°
NNW
Wind chill13°C (55°F)13°C (55°F)13°C (55°F)16°C (60°F)13°C (56°F)13°C (55°F)11°C (53°F)16°C (61°F)
Waves
Height0.6m (1.9ft)0.6m (1.9ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (1.8ft)
Direction 107°
ESE
109°
ESE
108°
ESE
108°
ESE
108°
ESE
109°
ESE
110°
ESE
111°
ESE
Period9.1 sec.8.9 sec.9.6 sec.8.9 sec.8.8 sec.9.0 sec.8.5 sec.8.5 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)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 Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:02 and will set at 17:17 on the beach(es) of Yakushima. The outside temperature will be a high of 65°F t and a low of 59°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 28.6mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (63°F)16°C (61°F)15°C (59°F)
Perceived temperature16°C (61°F)17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (63°F)16°C (61°F)15°C (59°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%67%66%60%63%64%68%66%
Barometric pressure1023 hPa1023 hPa1022 hPa1023 hPa1023 hPa1021 hPa1022 hPa1023 hPa
Cloud cover3%14%78%61%89%85%89%0%
Heat index16°C (61°F)17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (63°F)16°C (61°F)15°C (59°F)
Dew point9°C (49°F)10°C (51°F)11°C (51°F)10°C (50°F)10°C (50°F)10°C (51°F)10°C (50°F)9°C (48°F)
Wind
Speed9km/h (5mph)14km/h (9mph)18km/h (11mph)19km/h (12mph)17km/h (11mph)22km/h (14mph)33km/h (20mph)32km/h (20mph)
Gusts13km/h (8mph)20km/h (12mph)26km/h (16mph)24km/h (15mph)24km/h (15mph)30km/h (19mph)46km/h (28mph)41km/h (26mph)
Direction 309°
NW
298°
WNW
332°
NNW
338°
NNW
339°
NNW
336°
NNW
340°
NNW
336°
NNW
Wind chill16°C (61°F)17°C (62°F)17°C (63°F)18°C (64°F)17°C (63°F)17°C (63°F)16°C (61°F)15°C (59°F)
Waves
Height0.5m (1.7ft)0.6m (1.9ft)0.6m (2.1ft)0.7m (2.4ft)0.8m (2.5ft)0.9m (3.0ft)1.3m (4.2ft)1.5m (5.1ft)
Direction 111°
ESE
111°
ESE
111°
ESE
114°
ESE
113°
ESE
112°
ESE
317°
NW
322°
NW
Period8.7 sec.6.3 sec.8.9 sec.9.3 sec.9.2 sec.9.1 sec.9.1 sec.9.1 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)1.1m (3.6ft)1.6m (5.2ft)1.5m (4.9ft)
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 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:03 and will set at 17:17 on the beach(es) of Yakushima. The outside temperature will be a high of 61°F t and a low of 54°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 21.8mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (58°F)14°C (57°F)15°C (59°F)15°C (60°F)15°C (60°F)13°C (56°F)16°C (60°F)
Perceived temperature13°C (55°F)13°C (55°F)12°C (54°F)14°C (57°F)15°C (60°F)15°C (60°F)12°C (54°F)16°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%64%64%65%69%68%63%64%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1023 hPa1023 hPa1024 hPa1025 hPa
Cloud cover0%0%0%5%88%71%71%2%
Heat index15°C (58°F)14°C (58°F)14°C (57°F)15°C (59°F)15°C (60°F)15°C (60°F)13°C (56°F)16°C (60°F)
Dew point8°C (47°F)8°C (46°F)7°C (45°F)8°C (47°F)10°C (49°F)10°C (49°F)6°C (43°F)9°C (48°F)
Wind
Speed27km/h (17mph)20km/h (12mph)17km/h (11mph)14km/h (9mph)17km/h (10mph)14km/h (9mph)12km/h (7mph)17km/h (11mph)
Gusts35km/h (22mph)27km/h (17mph)25km/h (15mph)18km/h (11mph)22km/h (14mph)20km/h (12mph)24km/h (15mph)23km/h (14mph)
Direction 334°
NNW
346°
NNW
348°
NNW
359°
N

N
19°
NNE
45°
NE
80°
E
Wind chill13°C (55°F)13°C (55°F)12°C (54°F)14°C (57°F)15°C (60°F)15°C (60°F)12°C (54°F)16°C (60°F)
Waves
Height1.5m (4.9ft)1.4m (4.5ft)1.3m (4.4ft)1.5m (4.8ft)1.5m (5.0ft)1.4m (4.7ft)1.3m (4.2ft)1.2m (4.0ft)
Direction 319°
NW
312°
NW
53°
NE
10°
N

N
333°
NNW
338°
NNW
68°
ENE
Period9.1 sec.9.0 sec.8.8 sec.8.8 sec.8.8 sec.7.3 sec.7.2 sec.6.9 sec.
Significant height1.4m (4.6ft)1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.3m (4.3ft)0.7m (2.3ft)1.5m (4.9ft)1.3m (4.3ft)
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 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:04 and will set at 17:18 on the beach(es) of Yakushima. The outside temperature will be a high of 63°F t and a low of 56°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 19.3mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (60°F)15°C (60°F)15°C (60°F)16°C (61°F)15°C (59°F)15°C (58°F)13°C (55°F)17°C (63°F)
Perceived temperature15°C (60°F)15°C (60°F)15°C (60°F)16°C (61°F)15°C (59°F)13°C (56°F)11°C (52°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%63%63%59%54%54%62%64%
Barometric pressure1025 hPa1025 hPa1025 hPa1026 hPa1024 hPa1023 hPa1023 hPa1024 hPa
Cloud cover0%0%0%0%0%1%0%84%
Heat index15°C (60°F)15°C (60°F)15°C (60°F)16°C (61°F)15°C (59°F)15°C (58°F)13°C (55°F)17°C (63°F)
Dew point8°C (47°F)8°C (47°F)8°C (47°F)8°C (46°F)6°C (43°F)5°C (41°F)6°C (42°F)10°C (50°F)
Wind
Speed19km/h (12mph)19km/h (12mph)19km/h (12mph)20km/h (13mph)17km/h (11mph)17km/h (11mph)17km/h (11mph)17km/h (10mph)
Gusts26km/h (16mph)26km/h (16mph)26km/h (16mph)25km/h (16mph)31km/h (20mph)17km/h (11mph)23km/h (14mph)24km/h (15mph)
Direction 82°
E
71°
ENE
72°
ENE
65°
ENE
76°
ENE
76°
ENE
86°
E
99°
E
Wind chill15°C (60°F)15°C (60°F)15°C (60°F)16°C (61°F)15°C (59°F)13°C (56°F)11°C (52°F)17°C (63°F)
Waves
Height1.3m (4.4ft)1.7m (5.5ft)1.6m (5.4ft)1.4m (4.5ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)
Direction 78°
ENE
54°
NE
46°
NE
44°
NE
104°
ESE
99°
E
102°
ESE
102°
ESE
Period6.8 sec.6.7 sec.8.7 sec.8.8 sec.8.9 sec.5.2 sec.5.0 sec.9.6 sec.
Significant height1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)0.8m (2.6ft)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 11 December 2025

On Thursday 11 December 2025, the sun will rise at 07:05 and will set at 17:18 on the beach(es) of Yakushima. The outside temperature will be a high of 65°F t and a low of 63°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 21.8mph km/h (with gusts up to 29.2mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)17°C (62°F)17°C (63°F)
Perceived temperature17°C (63°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)17°C (62°F)17°C (63°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity63%66%68%66%70%80%76%71%
Barometric pressure1023 hPa1022 hPa1021 hPa1021 hPa1020 hPa1020 hPa1021 hPa1022 hPa
Cloud cover82%82%16%43%100%100%97%100%
Heat index17°C (63°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)17°C (62°F)17°C (63°F)
Dew point10°C (50°F)11°C (51°F)11°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (53°F)
Wind
Speed17km/h (10mph)20km/h (12mph)22km/h (14mph)26km/h (16mph)24km/h (15mph)30km/h (18mph)35km/h (22mph)28km/h (17mph)
Gusts23km/h (15mph)28km/h (17mph)30km/h (19mph)33km/h (20mph)33km/h (20mph)39km/h (24mph)47km/h (29mph)37km/h (23mph)
Direction 117°
ESE
120°
ESE
111°
ESE
114°
ESE
102°
ESE
76°
ENE
67°
ENE
89°
E
Wind chill17°C (63°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)17°C (62°F)17°C (63°F)
Waves
Height1.1m (3.6ft)1.0m (3.4ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.5ft)1.2m (4.1ft)1.2m (3.9ft)
Direction 99°
E
99°
E
99°
E
94°
E
89°
E
86°
E
87°
E
88°
E
Period6.4 sec.6.7 sec.9.4 sec.9.7 sec.9.9 sec.10.7 sec.10.1 sec.4.9 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)1.4m (4.6ft)1.1m (3.6ft)0.9m (3ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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