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
Sunday 14 December 202545°F to 49°Fnot recommended
Monday 15 December 202543°F to 47°Fdiscouraged
Tuesday 16 December 202547°F to 52°Fdiscouraged
Wednesday 17 December 202545°F to 52°Fdiscouraged
Thursday 18 December 202545°F to 50°Fdiscouraged
Friday 19 December 202547°F to 52°Frecommended
Saturday 20 December 202554°F to 59°Frecommended

Sea Weather: Your daily and hourly sea weather in Okinoshima

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:10 and will set at 16:53 on the beach(es) of Okinoshima. The outside temperature will be a high of 49°F t and a low of 45°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 28.6mph km/h (with gusts up to 37.9mph). Wave height will be up to 10.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)9°C (48°F)9°C (48°F)8°C (47°F)8°C (46°F)7°C (44°F)7°C (44°F)7°C (44°F)
Perceived temperature6°C (43°F)7°C (45°F)4°C (40°F)3°C (38°F)2°C (36°F)1°C (35°F)1°C (35°F)2°C (36°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity93%95%90%68%74%78%66%65%
Barometric pressure1010 hPa1008 hPa1008 hPa1009 hPa1009 hPa1011 hPa1013 hPa1015 hPa
Cloud cover100%100%100%100%100%100%100%97%
Heat index8°C (46°F)9°C (48°F)9°C (48°F)8°C (47°F)8°C (46°F)7°C (44°F)7°C (44°F)7°C (44°F)
Dew point7°C (44°F)8°C (47°F)7°C (45°F)3°C (37°F)3°C (38°F)3°C (38°F)1°C (33°F)1°C (33°F)
Wind
Speed11km/h (7mph)13km/h (8mph)45km/h (28mph)44km/h (28mph)46km/h (28mph)40km/h (25mph)40km/h (25mph)33km/h (21mph)
Gusts16km/h (10mph)18km/h (11mph)58km/h (36mph)46km/h (28mph)61km/h (38mph)55km/h (34mph)41km/h (25mph)47km/h (30mph)
Direction 161°
SSE
235°
SW
288°
WNW
289°
WNW
293°
WNW
304°
NW
319°
NW
327°
NNW
Wind chill6°C (43°F)7°C (45°F)4°C (40°F)3°C (38°F)2°C (36°F)1°C (35°F)1°C (35°F)2°C (36°F)
Waves
Height1.0m (3.4ft)0.9m (3.0ft)1.3m (4.2ft)1.9m (6.2ft)2.2m (7.3ft)2.4m (7.8ft)2.7m (8.8ft)3.2m (10.6ft)
Direction 10°
N
12°
NNE
303°
WNW
298°
WNW
303°
WNW
316°
NW
331°
NNW
344°
NNW
Period7.0 sec.6.3 sec.6.3 sec.7.7 sec.7.0 sec.7.0 sec.8.0 sec.9.8 sec.
Significant height0.8m (2.6ft)0.6m (2ft)1.8m (5.9ft)2.2m (7.2ft)1.8m (5.9ft)1.6m (5.2ft)1.6m (5.2ft)1.5m (4.9ft)
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 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 43°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 16.2mph km/h (with gusts up to 23mph). Wave height will be up to 10.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (44°F)7°C (45°F)
Perceived temperature2°C (36°F)3°C (37°F)3°C (38°F)4°C (40°F)6°C (43°F)6°C (44°F)5°C (40°F)4°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%67%68%67%59%59%62%66%
Barometric pressure1017 hPa1018 hPa1020 hPa1022 hPa1022 hPa1022 hPa1023 hPa1023 hPa
Cloud cover100%100%100%74%100%100%37%9%
Heat index7°C (44°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (44°F)7°C (45°F)
Dew point1°C (34°F)1°C (34°F)1°C (34°F)1°C (35°F)1°C (33°F)1°C (33°F)-0°C (32°F)1°C (34°F)
Wind
Speed26km/h (16mph)22km/h (14mph)21km/h (13mph)15km/h (10mph)11km/h (7mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)
Gusts37km/h (23mph)32km/h (20mph)29km/h (18mph)21km/h (13mph)15km/h (9mph)14km/h (9mph)19km/h (12mph)25km/h (15mph)
Direction 328°
NNW
322°
NW
337°
NNW
339°
NNW
326°
NNW
298°
WNW
272°
W
250°
WSW
Wind chill2°C (36°F)3°C (37°F)3°C (38°F)4°C (40°F)6°C (43°F)6°C (44°F)5°C (40°F)4°C (40°F)
Waves
Height3.3m (10.9ft)3.0m (9.8ft)2.6m (8.4ft)2.4m (7.9ft)2.4m (8.0ft)2.3m (7.6ft)2.2m (7.1ft)2.0m (6.5ft)
Direction 349°
N
353°
N
353°
N
358°
N

N
13°
NNE
17°
NNE
19°
NNE
Period10.7 sec.10.5 sec.10.0 sec.9.8 sec.9.7 sec.9.9 sec.9.9 sec.10.0 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.2m (0.7ft)0.1m (0.3ft)0.5m (1.6ft)
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 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 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 16.2mph 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 temperature8°C (46°F)9°C (49°F)9°C (49°F)11°C (52°F)11°C (52°F)10°C (50°F)9°C (47°F)9°C (48°F)
Perceived temperature5°C (40°F)6°C (43°F)6°C (43°F)8°C (47°F)8°C (47°F)7°C (45°F)6°C (43°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%65%63%62%57%59%64%65%
Barometric pressure1022 hPa1022 hPa1022 hPa1022 hPa1021 hPa1020 hPa1022 hPa1022 hPa
Cloud cover21%67%50%80%88%16%60%75%
Heat index8°C (46°F)9°C (49°F)9°C (49°F)11°C (52°F)11°C (52°F)10°C (50°F)9°C (47°F)9°C (48°F)
Dew point2°C (36°F)3°C (37°F)3°C (37°F)4°C (39°F)3°C (37°F)3°C (37°F)2°C (36°F)3°C (37°F)
Wind
Speed19km/h (12mph)26km/h (16mph)22km/h (14mph)23km/h (14mph)26km/h (16mph)23km/h (15mph)15km/h (9mph)16km/h (10mph)
Gusts32km/h (20mph)40km/h (25mph)36km/h (22mph)32km/h (20mph)35km/h (22mph)35km/h (22mph)28km/h (17mph)28km/h (18mph)
Direction 248°
WSW
252°
WSW
265°
W
257°
WSW
278°
W
280°
W
280°
W
280°
W
Wind chill5°C (40°F)6°C (43°F)6°C (43°F)8°C (47°F)8°C (47°F)7°C (45°F)6°C (43°F)7°C (44°F)
Waves
Height1.8m (6.0ft)1.7m (5.7ft)1.7m (5.7ft)1.5m (5.1ft)1.7m (5.5ft)1.7m (5.5ft)1.7m (5.5ft)1.6m (5.4ft)
Direction 22°
NNE
26°
NNE
29°
NNE
29°
NNE
30°
NNE
283°
WNW
300°
WNW
321°
NW
Period9.8 sec.9.5 sec.9.6 sec.9.6 sec.9.6 sec.9.4 sec.9.2 sec.9.2 sec.
Significant height0.7m (2.3ft)1.0m (3.3ft)1.2m (3.9ft)1.0m (3.3ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)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 45°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 23.6mph km/h (with gusts up to 32.3mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)10°C (51°F)10°C (50°F)11°C (51°F)11°C (51°F)9°C (49°F)8°C (46°F)7°C (45°F)
Perceived temperature7°C (45°F)8°C (46°F)7°C (45°F)8°C (47°F)9°C (48°F)8°C (46°F)4°C (38°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%73%73%71%72%81%90%89%
Barometric pressure1021 hPa1020 hPa1020 hPa1020 hPa1019 hPa1020 hPa1021 hPa1024 hPa
Cloud cover59%93%67%66%100%100%100%100%
Heat index9°C (49°F)10°C (51°F)10°C (50°F)11°C (51°F)11°C (51°F)9°C (49°F)8°C (46°F)7°C (45°F)
Dew point4°C (39°F)6°C (43°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)5°C (42°F)
Wind
Speed15km/h (10mph)24km/h (15mph)23km/h (15mph)23km/h (15mph)13km/h (8mph)9km/h (6mph)32km/h (20mph)38km/h (23mph)
Gusts26km/h (16mph)36km/h (23mph)37km/h (23mph)34km/h (21mph)17km/h (11mph)14km/h (8mph)45km/h (28mph)52km/h (33mph)
Direction 281°
W
274°
W
285°
WNW
298°
WNW
337°
NNW
30°
NNE
63°
ENE
57°
ENE
Wind chill7°C (45°F)8°C (46°F)7°C (45°F)8°C (47°F)9°C (48°F)8°C (46°F)4°C (38°F)2°C (36°F)
Waves
Height1.4m (4.8ft)2.3m (7.7ft)2.5m (8.1ft)2.3m (7.7ft)2.3m (7.6ft)2.3m (7.6ft)2.5m (8.1ft)2.7m (9.0ft)
Direction 321°
NW
12°
NNE
16°
NNE
16°
NNE
14°
NNE
10°
N
39°
NE
44°
NE
Period6.9 sec.6.0 sec.5.8 sec.8.3 sec.5.2 sec.5.1 sec.5.1 sec.6.7 sec.
Significant height0.7m (2.3ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.8m (5.9ft)2.0m (6.6ft)
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 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 50°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 19.9mph km/h (with gusts up to 26.1mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)9°C (48°F)10°C (49°F)8°C (46°F)8°C (46°F)
Perceived temperature2°C (36°F)3°C (38°F)4°C (38°F)5°C (41°F)6°C (43°F)8°C (46°F)6°C (42°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%77%72%72%64%61%70%78%
Barometric pressure1024 hPa1025 hPa1026 hPa1027 hPa1026 hPa1025 hPa1026 hPa1026 hPa
Cloud cover100%100%74%70%12%41%41%0%
Heat index7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)9°C (48°F)10°C (49°F)8°C (46°F)8°C (46°F)
Dew point5°C (41°F)4°C (38°F)2°C (36°F)3°C (38°F)3°C (37°F)2°C (36°F)3°C (37°F)4°C (39°F)
Wind
Speed32km/h (20mph)26km/h (16mph)22km/h (14mph)17km/h (11mph)19km/h (12mph)13km/h (8mph)13km/h (8mph)16km/h (10mph)
Gusts42km/h (26mph)37km/h (23mph)34km/h (21mph)24km/h (15mph)27km/h (17mph)19km/h (12mph)23km/h (14mph)30km/h (18mph)
Direction 56°
ENE
59°
ENE
63°
ENE
76°
ENE
106°
ESE
104°
ESE
98°
E
114°
ESE
Wind chill2°C (36°F)3°C (38°F)4°C (38°F)5°C (41°F)6°C (43°F)8°C (46°F)6°C (42°F)5°C (41°F)
Waves
Height2.8m (9.1ft)2.5m (8.1ft)2.1m (7.1ft)1.8m (5.8ft)1.5m (4.8ft)1.3m (4.1ft)1.1m (3.6ft)1.0m (3.2ft)
Direction 25°
NNE
37°
NE
27°
NNE
37°
NE

N

N

N

N
Period7.1 sec.6.7 sec.6.4 sec.5.9 sec.7.4 sec.7.3 sec.7.0 sec.6.9 sec.
Significant height1.9m (6.2ft)1.7m (5.6ft)1.5m (4.9ft)1.1m (3.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)
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 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 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 11.8mph km/h (with gusts up to 21.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)9°C (48°F)10°C (50°F)11°C (52°F)11°C (51°F)10°C (50°F)8°C (46°F)11°C (52°F)
Perceived temperature6°C (42°F)7°C (44°F)8°C (46°F)9°C (49°F)8°C (47°F)7°C (45°F)5°C (41°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%81%73%62%66%72%76%
Barometric pressure1025 hPa1025 hPa1024 hPa1025 hPa1025 hPa1024 hPa1024 hPa1025 hPa
Cloud cover0%14%76%0%0%0%0%0%
Heat index8°C (47°F)9°C (48°F)10°C (50°F)11°C (52°F)11°C (51°F)10°C (50°F)8°C (46°F)11°C (52°F)
Dew point4°C (40°F)5°C (41°F)7°C (44°F)7°C (44°F)4°C (39°F)4°C (39°F)3°C (38°F)7°C (45°F)
Wind
Speed15km/h (9mph)13km/h (8mph)15km/h (9mph)17km/h (10mph)19km/h (12mph)18km/h (11mph)15km/h (10mph)15km/h (9mph)
Gusts28km/h (17mph)24km/h (15mph)26km/h (16mph)24km/h (15mph)35km/h (22mph)22km/h (14mph)33km/h (20mph)29km/h (18mph)
Direction 138°
SE
201°
SSW
205°
SSW
205°
SSW
218°
SW
218°
SW
198°
SSW
184°
S
Wind chill6°C (42°F)7°C (44°F)8°C (46°F)9°C (49°F)8°C (47°F)7°C (45°F)5°C (41°F)9°C (49°F)
Waves
Height0.9m (2.8ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.3ft)0.6m (2.1ft)0.6m (1.8ft)0.5m (1.6ft)0.4m (1.4ft)
Direction
N

N

N
23°
NNE
24°
NNE
24°
NNE
24°
NNE
23°
NNE
Period6.8 sec.6.5 sec.6.1 sec.9.7 sec.9.1 sec.8.9 sec.8.6 sec.6.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)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 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 9.9mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)12°C (53°F)12°C (53°F)14°C (57°F)14°C (57°F)15°C (60°F)14°C (57°F)14°C (58°F)
Perceived temperature10°C (50°F)10°C (50°F)10°C (50°F)12°C (54°F)13°C (56°F)15°C (60°F)14°C (57°F)14°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%80%79%78%72%67%75%79%
Barometric pressure1024 hPa1025 hPa1024 hPa1023 hPa1022 hPa1022 hPa1024 hPa1024 hPa
Cloud cover2%26%18%15%0%13%31%55%
Heat index12°C (53°F)12°C (53°F)12°C (53°F)14°C (57°F)14°C (57°F)15°C (60°F)14°C (57°F)14°C (58°F)
Dew point8°C (47°F)8°C (47°F)8°C (47°F)10°C (50°F)9°C (48°F)9°C (49°F)9°C (49°F)11°C (51°F)
Wind
Speed14km/h (9mph)12km/h (7mph)13km/h (8mph)16km/h (10mph)10km/h (6mph)6km/h (4mph)4km/h (3mph)6km/h (4mph)
Gusts26km/h (16mph)23km/h (14mph)26km/h (16mph)25km/h (16mph)20km/h (12mph)10km/h (6mph)8km/h (5mph)10km/h (6mph)
Direction 204°
SSW
183°
S
160°
SSE
139°
SE
167°
SSE
279°
W
284°
WNW
276°
W
Wind chill10°C (50°F)10°C (50°F)10°C (50°F)12°C (54°F)13°C (56°F)15°C (60°F)14°C (57°F)14°C (58°F)
Waves
Height0.4m (1.3ft)0.4m (1.5ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.4ft)
Direction 23°
NNE
22°
NNE
301°
WNW
281°
WNW
276°
W
338°
NNW
331°
NNW
327°
NNW
Period8.1 sec.7.8 sec.5.0 sec.4.7 sec.4.6 sec.6.7 sec.6.5 sec.6.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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