Sea weather in Okinoshima in Japan All the beach weather in Okinoshima

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

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

Date Outside temp. Our opinion
Monday 15 December 202541°F to 47°Fdiscouraged
Tuesday 16 December 202545°F to 52°Fdiscouraged
Wednesday 17 December 202547°F to 52°Fdiscouraged
Thursday 18 December 202547°F to 52°Fdiscouraged
Friday 19 December 202545°F to 54°Frecommended
Saturday 20 December 202554°F to 59°Frecommended
Sunday 21 December 202552°F to 59°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Okinoshima

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:11 and will set at 16:54 on the beach(es) of Okinoshima. The outside temperature will be a high of 47°F t and a low of 41°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 25.5mph). Wave height will be up to 11.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)8°C (46°F)6°C (42°F)6°C (43°F)
Perceived temperature2°C (36°F)2°C (35°F)3°C (37°F)4°C (39°F)6°C (42°F)6°C (43°F)5°C (41°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%71%69%69%60%61%69%67%
Barometric pressure1017 hPa1018 hPa1020 hPa1022 hPa1022 hPa1022 hPa1023 hPa1023 hPa
Cloud cover85%100%89%98%100%83%66%9%
Heat index7°C (44°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)8°C (46°F)6°C (42°F)6°C (43°F)
Dew point1°C (33°F)1°C (34°F)1°C (34°F)2°C (35°F)1°C (33°F)1°C (33°F)0°C (33°F)0°C (33°F)
Wind
Speed30km/h (18mph)26km/h (16mph)20km/h (12mph)16km/h (10mph)13km/h (8mph)10km/h (6mph)4km/h (3mph)10km/h (6mph)
Gusts41km/h (25mph)37km/h (23mph)28km/h (18mph)21km/h (13mph)17km/h (10mph)13km/h (8mph)8km/h (5mph)19km/h (12mph)
Direction 322°
NW
317°
NW
327°
NNW
338°
NNW
323°
NW
321°
NW
271°
W
238°
WSW
Wind chill2°C (36°F)2°C (35°F)3°C (37°F)4°C (39°F)6°C (42°F)6°C (43°F)5°C (41°F)4°C (39°F)
Waves
Height3.6m (11.8ft)3.0m (9.7ft)2.6m (8.5ft)2.5m (8.3ft)2.4m (7.9ft)2.3m (7.4ft)2.1m (6.9ft)1.9m (6.3ft)
Direction 346°
NNW
348°
NNW
352°
N

N
12°
NNE
17°
NNE
20°
NNE
22°
NNE
Period7.4 sec.7.4 sec.9.9 sec.9.8 sec.9.9 sec.10.0 sec.10.0 sec.9.9 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:11 and will set at 16:54 on the beach(es) of Okinoshima. The outside temperature will be a high of 52°F t and a low of 45°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 17.4mph km/h (with gusts up to 24.9mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)9°C (48°F)9°C (49°F)11°C (52°F)11°C (51°F)10°C (51°F)9°C (49°F)10°C (49°F)
Perceived temperature4°C (40°F)6°C (42°F)6°C (43°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (44°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%66%64%60%57%56%62%66%
Barometric pressure1022 hPa1022 hPa1022 hPa1022 hPa1021 hPa1021 hPa1022 hPa1022 hPa
Cloud cover51%73%73%83%6%28%83%95%
Heat index7°C (45°F)9°C (48°F)9°C (49°F)11°C (52°F)11°C (51°F)10°C (51°F)9°C (49°F)10°C (49°F)
Dew point2°C (36°F)3°C (37°F)3°C (37°F)4°C (39°F)2°C (36°F)2°C (36°F)2°C (36°F)4°C (39°F)
Wind
Speed18km/h (11mph)23km/h (14mph)23km/h (15mph)28km/h (18mph)28km/h (17mph)19km/h (12mph)18km/h (11mph)17km/h (11mph)
Gusts32km/h (20mph)37km/h (23mph)37km/h (23mph)40km/h (25mph)40km/h (25mph)28km/h (18mph)31km/h (19mph)26km/h (16mph)
Direction 247°
WSW
252°
WSW
261°
W
272°
W
275°
W
285°
WNW
285°
WNW
270°
W
Wind chill4°C (40°F)6°C (42°F)6°C (43°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (44°F)7°C (45°F)
Waves
Height1.8m (5.9ft)1.7m (5.7ft)1.7m (5.6ft)1.6m (5.1ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)1.4m (4.6ft)
Direction 18°
NNE
21°
NNE
24°
NNE
30°
NNE
30°
NNE
29°
NNE
25°
NNE

N
Period9.9 sec.9.9 sec.9.5 sec.9.7 sec.9.6 sec.9.3 sec.9.1 sec.9.0 sec.
Significant height0.7m (2.3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)1.2m (3.9ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:12 and will set at 16:54 on the beach(es) of Okinoshima. The outside temperature will be a high of 52°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 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (51°F)11°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (52°F)9°C (47°F)8°C (47°F)
Perceived temperature8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)8°C (47°F)9°C (49°F)7°C (45°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%65%69%71%64%60%77%86%
Barometric pressure1021 hPa1020 hPa1020 hPa1021 hPa1020 hPa1019 hPa1021 hPa1023 hPa
Cloud cover100%66%61%99%100%34%70%94%
Heat index10°C (51°F)11°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)11°C (52°F)9°C (47°F)8°C (47°F)
Dew point4°C (40°F)4°C (40°F)5°C (41°F)6°C (43°F)5°C (40°F)4°C (38°F)5°C (41°F)6°C (43°F)
Wind
Speed20km/h (13mph)28km/h (18mph)30km/h (18mph)26km/h (16mph)24km/h (15mph)16km/h (10mph)9km/h (6mph)28km/h (17mph)
Gusts31km/h (19mph)43km/h (27mph)43km/h (27mph)37km/h (23mph)35km/h (22mph)23km/h (14mph)16km/h (10mph)39km/h (24mph)
Direction 277°
W
272°
W
280°
W
284°
WNW
287°
WNW
303°
WNW
46°
NE
61°
ENE
Wind chill8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)8°C (47°F)9°C (49°F)7°C (45°F)5°C (40°F)
Waves
Height1.5m (4.8ft)1.3m (4.1ft)1.4m (4.7ft)2.0m (6.5ft)2.1m (6.8ft)2.1m (6.9ft)2.3m (7.6ft)2.6m (8.5ft)
Direction 334°
NNW
318°
NW

N
15°
NNE
16°
NNE
15°
NNE
18°
NNE
24°
NNE
Period8.9 sec.8.6 sec.8.1 sec.7.6 sec.5.1 sec.5.0 sec.4.7 sec.4.7 sec.
Significant height1.1m (3.6ft)0.7m (2.3ft)0.9m (3ft)1.2m (3.9ft)1.1m (3.6ft)1.3m (4.3ft)1.6m (5.2ft)1.9m (6.2ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:12 and will set at 16:55 on the beach(es) of Okinoshima. The outside temperature will be a high of 52°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 18mph km/h (with gusts up to 23.6mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)8°C (47°F)8°C (46°F)9°C (48°F)10°C (50°F)11°C (51°F)9°C (49°F)11°C (52°F)
Perceived temperature4°C (40°F)4°C (40°F)4°C (40°F)6°C (42°F)7°C (45°F)9°C (48°F)7°C (45°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%82%80%76%71%66%75%74%
Barometric pressure1024 hPa1025 hPa1025 hPa1026 hPa1025 hPa1024 hPa1025 hPa1025 hPa
Cloud cover100%100%92%79%55%35%50%43%
Heat index8°C (47°F)8°C (47°F)8°C (46°F)9°C (48°F)10°C (50°F)11°C (51°F)9°C (49°F)11°C (52°F)
Dew point6°C (43°F)5°C (41°F)5°C (41°F)5°C (40°F)5°C (41°F)5°C (40°F)5°C (41°F)6°C (44°F)
Wind
Speed29km/h (18mph)26km/h (16mph)24km/h (15mph)20km/h (12mph)18km/h (11mph)15km/h (10mph)14km/h (9mph)19km/h (12mph)
Gusts38km/h (24mph)36km/h (23mph)33km/h (20mph)27km/h (17mph)25km/h (16mph)23km/h (14mph)27km/h (17mph)33km/h (20mph)
Direction 59°
ENE
62°
ENE
69°
ENE
86°
E
112°
ESE
132°
SE
174°
S
239°
WSW
Wind chill4°C (40°F)4°C (40°F)4°C (40°F)6°C (42°F)7°C (45°F)9°C (48°F)7°C (45°F)9°C (48°F)
Waves
Height2.4m (8.0ft)2.2m (7.3ft)1.9m (6.2ft)1.6m (5.2ft)1.4m (4.5ft)1.2m (3.9ft)1.0m (3.4ft)0.9m (3.0ft)
Direction 38°
NE
33°
NNE
14°
NNE
10°
N

N

N

N

N
Period4.7 sec.4.7 sec.4.7 sec.7.5 sec.7.5 sec.7.3 sec.7.0 sec.6.8 sec.
Significant height1.6m (5.2ft)1.4m (4.6ft)1.1m (3.6ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:13 and will set at 16:55 on the beach(es) of Okinoshima. The outside temperature will be a high of 54°F t and a low of 45°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 10.6mph km/h (with gusts up to 18.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (51°F)10°C (50°F)11°C (53°F)11°C (51°F)10°C (50°F)7°C (44°F)11°C (52°F)
Perceived temperature9°C (47°F)8°C (47°F)8°C (47°F)10°C (50°F)9°C (49°F)9°C (48°F)5°C (41°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%73%76%76%58%54%64%69%
Barometric pressure1025 hPa1025 hPa1025 hPa1026 hPa1024 hPa1024 hPa1024 hPa1023 hPa
Cloud cover19%4%4%4%0%0%0%24%
Heat index11°C (51°F)10°C (51°F)10°C (50°F)11°C (53°F)11°C (51°F)10°C (50°F)7°C (44°F)11°C (52°F)
Dew point6°C (43°F)6°C (43°F)6°C (43°F)7°C (45°F)3°C (37°F)1°C (34°F)0°C (32°F)6°C (42°F)
Wind
Speed17km/h (11mph)14km/h (9mph)12km/h (8mph)14km/h (9mph)11km/h (7mph)8km/h (5mph)8km/h (5mph)12km/h (7mph)
Gusts30km/h (19mph)26km/h (16mph)23km/h (14mph)20km/h (13mph)21km/h (13mph)16km/h (10mph)17km/h (11mph)23km/h (14mph)
Direction 231°
SW
242°
WSW
221°
SW
194°
SSW
198°
SSW
181°
S
143°
SE
158°
SSE
Wind chill9°C (47°F)8°C (47°F)8°C (47°F)10°C (50°F)9°C (49°F)9°C (48°F)5°C (41°F)10°C (49°F)
Waves
Height0.8m (2.8ft)0.7m (2.4ft)0.6m (2.1ft)0.6m (1.9ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)0.6m (2.0ft)
Direction
N

N

N

N

N
358°
N
300°
WNW
274°
W
Period6.5 sec.4.1 sec.6.0 sec.5.7 sec.5.5 sec.6.9 sec.6.8 sec.6.9 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:14 and will set at 16:56 on the beach(es) of Okinoshima. The outside temperature will be a high of 59°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 10.6mph km/h (with gusts up to 17.4mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)12°C (54°F)13°C (55°F)14°C (57°F)15°C (58°F)14°C (58°F)12°C (54°F)13°C (56°F)
Perceived temperature12°C (53°F)11°C (51°F)11°C (52°F)13°C (55°F)13°C (56°F)14°C (57°F)12°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%81%84%82%75%73%83%87%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1022 hPa1021 hPa1022 hPa1021 hPa
Cloud cover81%50%70%89%7%19%26%81%
Heat index13°C (55°F)12°C (54°F)13°C (55°F)14°C (57°F)15°C (58°F)14°C (58°F)12°C (54°F)13°C (56°F)
Dew point8°C (46°F)9°C (48°F)10°C (50°F)11°C (52°F)10°C (50°F)10°C (49°F)10°C (49°F)11°C (52°F)
Wind
Speed11km/h (7mph)13km/h (8mph)16km/h (10mph)17km/h (11mph)16km/h (10mph)9km/h (5mph)9km/h (6mph)14km/h (9mph)
Gusts19km/h (12mph)25km/h (16mph)28km/h (18mph)24km/h (15mph)23km/h (15mph)13km/h (8mph)18km/h (11mph)26km/h (16mph)
Direction 207°
SSW
222°
SW
229°
SW
226°
SW
226°
SW
204°
SSW
117°
ESE
143°
SE
Wind chill12°C (53°F)11°C (51°F)11°C (52°F)13°C (55°F)13°C (56°F)14°C (57°F)12°C (53°F)12°C (54°F)
Waves
Height0.7m (2.3ft)0.8m (2.6ft)0.9m (2.8ft)0.7m (2.4ft)0.6m (1.9ft)0.5m (1.7ft)0.5m (1.7ft)0.6m (1.9ft)
Direction 282°
WNW
280°
W
269°
W
266°
W
266°
W
276°
W
281°
W
322°
NW
Period6.0 sec.8.1 sec.7.7 sec.6.0 sec.5.6 sec.5.3 sec.7.4 sec.7.0 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)0.3m (1ft)0.2m (0.7ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 07:14 and will set at 16:56 on the beach(es) of Okinoshima. The outside temperature will be a high of 59°F t and a low of 52°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 15.5mph km/h (with gusts up to 22.4mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)15°C (58°F)14°C (57°F)14°C (58°F)15°C (58°F)15°C (58°F)13°C (55°F)11°C (52°F)
Perceived temperature13°C (56°F)13°C (56°F)12°C (54°F)13°C (55°F)14°C (56°F)13°C (56°F)11°C (51°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%88%91%96%93%92%88%89%
Barometric pressure1017 hPa1016 hPa1015 hPa1013 hPa1010 hPa1008 hPa1010 hPa1010 hPa
Cloud cover47%69%68%100%100%100%100%100%
Heat index14°C (58°F)15°C (58°F)14°C (57°F)14°C (58°F)15°C (58°F)15°C (58°F)13°C (55°F)11°C (52°F)
Dew point11°C (53°F)13°C (55°F)13°C (55°F)14°C (57°F)14°C (56°F)13°C (56°F)11°C (51°F)10°C (49°F)
Wind
Speed15km/h (9mph)21km/h (13mph)25km/h (15mph)19km/h (12mph)16km/h (10mph)18km/h (11mph)22km/h (13mph)22km/h (13mph)
Gusts27km/h (17mph)34km/h (21mph)36km/h (22mph)28km/h (18mph)23km/h (14mph)26km/h (16mph)33km/h (21mph)31km/h (19mph)
Direction 140°
SE
169°
SSE
166°
SSE
166°
SSE
194°
SSW
277°
W
343°
NNW

N
Wind chill13°C (56°F)13°C (56°F)12°C (54°F)13°C (55°F)14°C (56°F)13°C (56°F)11°C (51°F)9°C (48°F)
Waves
Height0.6m (1.9ft)0.5m (1.7ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)0.6m (2.0ft)1.2m (3.8ft)
Direction 320°
NW
318°
NW
316°
NW
316°
NW
158°
SSE
191°
SSW
221°
SW
265°
W
Period6.7 sec.6.3 sec.6.0 sec.5.6 sec.5.3 sec.2.8 sec.4.8 sec.4.5 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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