Sea weather in Sado island in Japan All the beach weather in Sado island

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

Discover the best moment to go to the beach in Sado island in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Sado island. 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 202543°F to 47°Fnot recommended
Tuesday 16 December 202545°F to 49°Fdiscouraged
Wednesday 17 December 202538°F to 45°Fdiscouraged
Thursday 18 December 202534°F to 43°Fdiscouraged
Friday 19 December 202543°F to 52°Fdiscouraged
Saturday 20 December 202550°F to 58°Frecommended
Sunday 21 December 202552°F to 58°Frecommended

Sea Weather: Your daily and hourly sea weather in Sado island

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:55 and will set at 16:27 on the beach(es) of Sado island. 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! Be careful, the sea will be generally rough with a wind speed of up to 39.2mph km/h (with gusts up to 48.5mph). Wave height will be up to 20.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)6°C (43°F)6°C (44°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)
Perceived temperature2°C (35°F)1°C (34°F)0°C (33°F)1°C (34°F)0°C (32°F)1°C (33°F)1°C (33°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%75%75%65%65%61%59%57%
Barometric pressure1004 hPa1009 hPa1013 hPa1016 hPa1017 hPa1019 hPa1021 hPa1021 hPa
Cloud cover100%100%100%82%95%75%69%66%
Heat index8°C (46°F)7°C (45°F)6°C (43°F)6°C (44°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (43°F)
Dew point4°C (39°F)3°C (37°F)2°C (36°F)0°C (33°F)-0°C (31°F)-1°C (30°F)-2°C (29°F)-2°C (29°F)
Wind
Speed63km/h (39mph)54km/h (34mph)49km/h (31mph)43km/h (27mph)43km/h (27mph)41km/h (26mph)35km/h (22mph)27km/h (17mph)
Gusts78km/h (48mph)60km/h (37mph)51km/h (32mph)44km/h (27mph)53km/h (33mph)54km/h (33mph)50km/h (31mph)37km/h (23mph)
Direction 303°
WNW
315°
NW
313°
NW
305°
NW
292°
WNW
293°
WNW
297°
WNW
291°
WNW
Wind chill2°C (35°F)1°C (34°F)0°C (33°F)1°C (34°F)0°C (32°F)1°C (33°F)1°C (33°F)2°C (35°F)
Waves
Height5.2m (17.2ft)6.2m (20.3ft)5.8m (18.9ft)4.8m (15.8ft)4.2m (13.9ft)3.9m (12.9ft)3.5m (11.5ft)3.1m (10.1ft)
Direction 280°
W
308°
NW
318°
NW
328°
NNW
348°
NNW
346°
NNW
346°
NNW
348°
NNW
Period9.3 sec.10.8 sec.10.9 sec.10.3 sec.10.2 sec.10.6 sec.10.2 sec.9.9 sec.
Significant height3.3m (10.8ft)2.6m (8.5ft)2.2m (7.2ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)1.2m (3.9ft)0.9m (3ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:56 and will set at 16:27 on the beach(es) of Sado island. The outside temperature will be a high of 49°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 33.6mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (44°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (47°F)7°C (45°F)
Perceived temperature2°C (36°F)3°C (37°F)4°C (39°F)4°C (40°F)4°C (39°F)4°C (40°F)4°C (39°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%59%61%72%81%81%75%69%
Barometric pressure1021 hPa1022 hPa1021 hPa1020 hPa1018 hPa1017 hPa1019 hPa1020 hPa
Cloud cover71%71%86%100%95%100%100%100%
Heat index7°C (44°F)7°C (44°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (47°F)9°C (47°F)7°C (45°F)
Dew point-1°C (30°F)-1°C (31°F)0°C (32°F)3°C (38°F)5°C (41°F)5°C (42°F)4°C (40°F)2°C (36°F)
Wind
Speed24km/h (15mph)22km/h (14mph)17km/h (10mph)27km/h (17mph)38km/h (23mph)31km/h (19mph)38km/h (24mph)30km/h (18mph)
Gusts33km/h (21mph)31km/h (19mph)24km/h (15mph)36km/h (22mph)49km/h (31mph)45km/h (28mph)54km/h (34mph)40km/h (25mph)
Direction 288°
WNW
273°
W
244°
WSW
232°
SW
233°
SW
297°
WNW
302°
WNW
317°
NW
Wind chill2°C (36°F)3°C (37°F)4°C (39°F)4°C (40°F)4°C (39°F)4°C (40°F)4°C (39°F)3°C (38°F)
Waves
Height2.7m (8.8ft)2.3m (7.5ft)2.0m (6.5ft)1.9m (6.2ft)2.0m (6.7ft)2.3m (7.6ft)2.1m (7.0ft)2.1m (6.8ft)
Direction 340°
NNW
346°
NNW
338°
NNW
332°
NNW
284°
WNW
286°
WNW
292°
WNW
303°
WNW
Period9.7 sec.9.3 sec.9.0 sec.8.9 sec.6.7 sec.8.8 sec.8.7 sec.8.7 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.3m (4.3ft)1.7m (5.6ft)1.8m (5.9ft)1.4m (4.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:56 and will set at 16:28 on the beach(es) of Sado island. The outside temperature will be a high of 45°F t and a low of 38°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 16.8mph km/h (with gusts up to 21.8mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)5°C (42°F)4°C (38°F)4°C (39°F)3°C (38°F)3°C (38°F)3°C (37°F)4°C (38°F)
Perceived temperature2°C (36°F)1°C (35°F)1°C (33°F)3°C (37°F)-0°C (32°F)-0°C (31°F)0°C (32°F)2°C (35°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%68%84%75%86%87%84%72%
Barometric pressure1021 hPa1021 hPa1022 hPa1023 hPa1022 hPa1022 hPa1024 hPa1024 hPa
Cloud cover100%100%95%100%100%98%98%81%
Heat index7°C (44°F)5°C (42°F)4°C (38°F)4°C (39°F)3°C (38°F)3°C (38°F)3°C (37°F)4°C (38°F)
Dew point0°C (33°F)-0°C (32°F)1°C (34°F)-0°C (32°F)1°C (34°F)1°C (34°F)1°C (33°F)-1°C (30°F)
Wind
Speed27km/h (17mph)20km/h (13mph)10km/h (6mph)5km/h (3mph)14km/h (9mph)14km/h (9mph)10km/h (6mph)7km/h (4mph)
Gusts35km/h (22mph)26km/h (16mph)14km/h (9mph)7km/h (4mph)18km/h (11mph)19km/h (12mph)15km/h (9mph)10km/h (6mph)
Direction 321°
NW
322°
NW
333°
NNW
353°
N
340°
NNW
337°
NNW
323°
NW
311°
NW
Wind chill2°C (36°F)1°C (35°F)1°C (33°F)3°C (37°F)-0°C (32°F)-0°C (31°F)0°C (32°F)2°C (35°F)
Waves
Height2.0m (6.6ft)2.0m (6.6ft)2.0m (6.7ft)2.1m (6.8ft)2.1m (6.9ft)2.1m (6.9ft)2.0m (6.6ft)1.9m (6.3ft)
Direction 317°
NW
336°
NNW
331°
NNW
327°
NNW
336°
NNW
333°
NNW
332°
NNW
334°
NNW
Period8.7 sec.8.7 sec.8.7 sec.8.1 sec.7.5 sec.8.5 sec.8.6 sec.8.7 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:57 and will set at 16:28 on the beach(es) of Sado island. The outside temperature will be a high of 43°F t and a low of 34°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 13.7mph km/h (with gusts up to 18mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (40°F)5°C (41°F)5°C (40°F)5°C (41°F)5°C (41°F)5°C (41°F)1°C (35°F)5°C (42°F)
Perceived temperature1°C (34°F)1°C (33°F)1°C (34°F)3°C (38°F)5°C (41°F)5°C (41°F)-1°C (31°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%61%61%58%55%55%61%65%
Barometric pressure1025 hPa1026 hPa1027 hPa1028 hPa1027 hPa1027 hPa1027 hPa1027 hPa
Cloud cover100%100%97%75%20%13%0%0%
Heat index5°C (40°F)5°C (41°F)5°C (40°F)5°C (41°F)5°C (41°F)5°C (41°F)1°C (35°F)5°C (42°F)
Dew point-1°C (30°F)-2°C (29°F)-2°C (28°F)-3°C (27°F)-3°C (27°F)-3°C (26°F)-5°C (23°F)-1°C (31°F)
Wind
Speed17km/h (10mph)22km/h (14mph)18km/h (11mph)8km/h (5mph)2km/h (1mph)3km/h (2mph)7km/h (4mph)13km/h (8mph)
Gusts23km/h (14mph)29km/h (18mph)25km/h (15mph)10km/h (6mph)3km/h (2mph)4km/h (3mph)14km/h (9mph)21km/h (13mph)
Direction 300°
WNW
305°
NW
311°
NW
326°
NNW
343°
NNW
141°
SE
174°
S
174°
S
Wind chill1°C (34°F)1°C (33°F)1°C (34°F)3°C (38°F)5°C (41°F)5°C (41°F)-1°C (31°F)3°C (37°F)
Waves
Height1.9m (6.1ft)1.8m (6.1ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.3ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.5ft)
Direction 333°
NNW
330°
NNW
328°
NNW
328°
NNW
326°
NNW
328°
NNW
330°
NNW
333°
NNW
Period8.5 sec.8.3 sec.8.0 sec.7.7 sec.7.7 sec.7.6 sec.7.5 sec.8.7 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:58 and will set at 16:29 on the beach(es) of Sado island. The outside temperature will be a high of 52°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 13.7mph km/h (with gusts up to 21.8mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)7°C (44°F)7°C (45°F)9°C (49°F)10°C (51°F)9°C (47°F)6°C (43°F)10°C (49°F)
Perceived temperature3°C (38°F)3°C (38°F)4°C (40°F)6°C (43°F)8°C (46°F)6°C (43°F)3°C (38°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%67%69%68%68%67%69%62%
Barometric pressure1026 hPa1026 hPa1026 hPa1027 hPa1026 hPa1025 hPa1026 hPa1025 hPa
Cloud cover0%4%14%7%3%0%0%0%
Heat index6°C (43°F)7°C (44°F)7°C (45°F)9°C (49°F)10°C (51°F)9°C (47°F)6°C (43°F)10°C (49°F)
Dew point0°C (32°F)1°C (34°F)2°C (35°F)4°C (39°F)5°C (41°F)3°C (37°F)1°C (34°F)3°C (37°F)
Wind
Speed16km/h (10mph)20km/h (12mph)16km/h (10mph)22km/h (13mph)19km/h (12mph)15km/h (9mph)13km/h (8mph)13km/h (8mph)
Gusts27km/h (17mph)35km/h (22mph)28km/h (17mph)32km/h (20mph)31km/h (19mph)32km/h (20mph)27km/h (17mph)23km/h (15mph)
Direction 175°
S
196°
SSW
213°
SSW
206°
SSW
214°
SW
200°
SSW
203°
SSW
174°
S
Wind chill3°C (38°F)3°C (38°F)4°C (40°F)6°C (43°F)8°C (46°F)6°C (43°F)3°C (38°F)8°C (46°F)
Waves
Height1.2m (4.0ft)1.1m (3.5ft)0.9m (3.1ft)0.8m (2.6ft)0.7m (2.4ft)0.6m (2.0ft)0.5m (1.6ft)0.4m (1.4ft)
Direction 339°
NNW
350°
N
347°
NNW
351°
N
347°
NNW
350°
N
349°
N
299°
WNW
Period8.8 sec.8.3 sec.8.0 sec.7.5 sec.7.1 sec.6.8 sec.6.7 sec.7.5 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:58 and will set at 16:29 on the beach(es) of Sado island. 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 11.8mph km/h (with gusts up to 19.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)11°C (51°F)11°C (52°F)12°C (54°F)14°C (56°F)13°C (56°F)12°C (54°F)13°C (56°F)
Perceived temperature9°C (47°F)9°C (47°F)9°C (48°F)11°C (51°F)12°C (53°F)12°C (54°F)11°C (51°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%54%59%57%62%69%75%80%
Barometric pressure1025 hPa1024 hPa1024 hPa1025 hPa1023 hPa1023 hPa1024 hPa1023 hPa
Cloud cover0%0%46%57%19%58%93%74%
Heat index10°C (50°F)11°C (51°F)11°C (52°F)12°C (54°F)14°C (56°F)13°C (56°F)12°C (54°F)13°C (56°F)
Dew point2°C (35°F)2°C (35°F)3°C (38°F)4°C (39°F)6°C (44°F)8°C (46°F)8°C (46°F)10°C (50°F)
Wind
Speed12km/h (8mph)15km/h (9mph)16km/h (10mph)17km/h (10mph)19km/h (12mph)12km/h (7mph)15km/h (9mph)14km/h (9mph)
Gusts23km/h (14mph)30km/h (19mph)32km/h (20mph)28km/h (17mph)29km/h (18mph)20km/h (12mph)25km/h (16mph)23km/h (14mph)
Direction 178°
S
167°
SSE
174°
S
193°
SSW
208°
SSW
199°
SSW
201°
SSW
194°
SSW
Wind chill9°C (47°F)9°C (47°F)9°C (48°F)11°C (51°F)12°C (53°F)12°C (54°F)11°C (51°F)12°C (53°F)
Waves
Height0.5m (1.5ft)0.7m (2.2ft)1.0m (3.4ft)1.3m (4.2ft)1.3m (4.4ft)1.3m (4.4ft)1.3m (4.2ft)1.2m (3.8ft)
Direction 289°
WNW
286°
WNW
284°
WNW
285°
WNW
285°
WNW
281°
WNW
275°
W
271°
W
Period6.9 sec.6.3 sec.6.1 sec.6.8 sec.7.2 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 06:59 and will set at 16:30 on the beach(es) of Sado island. The outside temperature will be a high of 58°F t and a low of 52°F. Precipitation is in the forecast (0.3in 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 11.2mph km/h (with gusts up to 18.6mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)11°C (51°F)11°C (53°F)12°C (53°F)13°C (55°F)
Perceived temperature13°C (55°F)12°C (54°F)12°C (54°F)12°C (53°F)10°C (50°F)10°C (50°F)10°C (50°F)11°C (52°F)
Precipitation0in0in0in0in0.1in0.1in0.1in0in
Humidity74%69%60%60%91%95%95%92%
Barometric pressure1021 hPa1020 hPa1017 hPa1017 hPa1013 hPa1009 hPa1008 hPa1006 hPa
Cloud cover86%33%56%95%79%86%75%100%
Heat index14°C (56°F)13°C (55°F)13°C (55°F)13°C (55°F)11°C (51°F)11°C (53°F)12°C (53°F)13°C (55°F)
Dew point9°C (48°F)7°C (45°F)5°C (42°F)6°C (42°F)9°C (49°F)11°C (51°F)11°C (51°F)11°C (53°F)
Wind
Speed9km/h (6mph)8km/h (5mph)10km/h (6mph)14km/h (9mph)8km/h (5mph)13km/h (8mph)16km/h (10mph)18km/h (11mph)
Gusts15km/h (10mph)15km/h (9mph)20km/h (12mph)26km/h (16mph)14km/h (9mph)23km/h (14mph)30km/h (18mph)29km/h (18mph)
Direction 178°
S
147°
SSE
128°
SE
167°
SSE
114°
ESE
111°
ESE
157°
SSE
182°
S
Wind chill13°C (55°F)12°C (54°F)12°C (54°F)12°C (53°F)10°C (50°F)10°C (50°F)10°C (50°F)11°C (52°F)
Waves
Height1.1m (3.5ft)1.0m (3.3ft)0.9m (3.0ft)0.8m (2.8ft)0.7m (2.5ft)0.7m (2.2ft)0.6m (1.8ft)0.5m (1.7ft)
Direction 271°
W
276°
W
280°
W
276°
W
279°
W
281°
WNW
283°
WNW
285°
WNW
Period7.1 sec.8.0 sec.7.5 sec.7.2 sec.7.2 sec.6.8 sec.6.7 sec.6.5 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.2m (0.7ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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