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
Saturday 13 December 202538°F to 43°Fdiscouraged
Sunday 14 December 202541°F to 50°Fnot recommended
Monday 15 December 202541°F to 45°Fnot recommended
Tuesday 16 December 202540°F to 50°Fnot recommended
Wednesday 17 December 202538°F to 40°Fnot recommended
Thursday 18 December 202538°F to 41°Fdiscouraged
Friday 19 December 202540°F to 47°Frecommended

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

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 06:54 and will set at 16:27 on the beach(es) of Sado island. The outside temperature will be a high of 43°F t and a low of 38°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 22.4mph). Wave height will be up to 9.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)3°C (38°F)4°C (39°F)5°C (40°F)5°C (41°F)5°C (40°F)4°C (40°F)6°C (42°F)
Perceived temperature-3°C (27°F)-1°C (29°F)0°C (32°F)2°C (35°F)3°C (38°F)4°C (40°F)2°C (35°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%69%62%56%51%52%61%65%
Barometric pressure1030 hPa1030 hPa1029 hPa1029 hPa1027 hPa1026 hPa1023 hPa1020 hPa
Cloud cover100%100%100%97%98%55%100%98%
Heat index3°C (37°F)3°C (38°F)4°C (39°F)5°C (40°F)5°C (41°F)5°C (40°F)4°C (40°F)6°C (42°F)
Dew point-2°C (29°F)-2°C (29°F)-3°C (27°F)-3°C (26°F)-4°C (24°F)-4°C (24°F)-3°C (27°F)-0°C (31°F)
Wind
Speed30km/h (18mph)23km/h (15mph)15km/h (9mph)11km/h (7mph)7km/h (4mph)3km/h (2mph)11km/h (7mph)14km/h (9mph)
Gusts36km/h (22mph)30km/h (19mph)20km/h (13mph)15km/h (9mph)10km/h (6mph)5km/h (3mph)18km/h (11mph)22km/h (13mph)
Direction 311°
NW
312°
NW
317°
NW
311°
NW
311°
NW
88°
E
104°
ESE
110°
ESE
Wind chill-3°C (27°F)-1°C (29°F)0°C (32°F)2°C (35°F)3°C (38°F)4°C (40°F)2°C (35°F)2°C (36°F)
Waves
Height2.9m (9.5ft)2.6m (8.7ft)2.4m (7.7ft)2.1m (6.9ft)1.9m (6.1ft)1.7m (5.5ft)1.5m (5.0ft)1.4m (4.5ft)
Direction 328°
NNW
329°
NNW
332°
NNW
329°
NNW
332°
NNW
331°
NNW
333°
NNW
338°
NNW
Period9.3 sec.9.2 sec.8.8 sec.8.2 sec.8.0 sec.8.6 sec.8.2 sec.8.1 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.3m (1ft)0.6m (2ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:54 and will set at 16:27 on the beach(es) of Sado island. The outside temperature will be a high of 50°F t and a low of 41°F. Precipitation is in the forecast (0.1in 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 44.7mph km/h (with gusts up to 54.1mph). Wave height will be up to 10.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)5°C (41°F)6°C (44°F)7°C (45°F)10°C (50°F)10°C (49°F)8°C (46°F)7°C (45°F)
Perceived temperature4°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)6°C (43°F)5°C (40°F)2°C (35°F)1°C (34°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity69%79%75%88%83%61%67%82%
Barometric pressure1017 hPa1013 hPa1009 hPa1004 hPa1000 hPa999 hPa999 hPa1000 hPa
Cloud cover100%100%80%100%100%82%57%100%
Heat index6°C (42°F)5°C (41°F)6°C (44°F)7°C (45°F)10°C (50°F)10°C (49°F)8°C (46°F)7°C (45°F)
Dew point0°C (33°F)2°C (35°F)2°C (36°F)5°C (42°F)7°C (45°F)3°C (37°F)2°C (36°F)4°C (40°F)
Wind
Speed9km/h (6mph)9km/h (6mph)13km/h (8mph)17km/h (10mph)42km/h (26mph)63km/h (39mph)72km/h (45mph)71km/h (44mph)
Gusts13km/h (8mph)13km/h (8mph)18km/h (11mph)23km/h (14mph)57km/h (36mph)64km/h (39mph)75km/h (47mph)87km/h (54mph)
Direction 129°
SE
124°
SE
91°
E
124°
ESE
220°
SW
254°
WSW
247°
WSW
288°
WNW
Wind chill4°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)6°C (43°F)5°C (40°F)2°C (35°F)1°C (34°F)
Waves
Height1.2m (4.1ft)1.1m (3.7ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)0.8m (2.8ft)1.0m (3.2ft)3.3m (10.8ft)
Direction 333°
NNW
338°
NNW
354°
N
351°
N
353°
N
355°
N
236°
SW
256°
WSW
Period8.0 sec.7.6 sec.7.4 sec.6.1 sec.7.0 sec.6.7 sec.6.6 sec.6.8 sec.
Significant height0.7m (2.3ft)0.6m (2ft)1.3m (4.3ft)0.7m (2.3ft)0.7m (2.3ft)1.2m (3.9ft)2.3m (7.5ft)3.0m (9.8ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

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 45°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! Be careful, the sea will be generally rough with a wind speed of up to 41mph km/h (with gusts up to 51mph). Wave height will be up to 17.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)
Perceived temperature0°C (33°F)0°C (32°F)-0°C (31°F)-1°C (31°F)-0°C (32°F)0°C (32°F)1°C (34°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%75%68%67%59%58%56%56%
Barometric pressure1005 hPa1010 hPa1013 hPa1016 hPa1017 hPa1019 hPa1022 hPa1022 hPa
Cloud cover100%100%84%85%100%100%57%100%
Heat index7°C (44°F)6°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)
Dew point4°C (38°F)2°C (36°F)0°C (33°F)-0°C (32°F)-1°C (30°F)-2°C (29°F)-3°C (27°F)-2°C (29°F)
Wind
Speed66km/h (41mph)58km/h (36mph)51km/h (32mph)50km/h (31mph)51km/h (32mph)44km/h (27mph)29km/h (18mph)25km/h (15mph)
Gusts82km/h (51mph)59km/h (37mph)67km/h (42mph)55km/h (34mph)62km/h (38mph)56km/h (35mph)41km/h (26mph)35km/h (22mph)
Direction 300°
WNW
300°
WNW
291°
WNW
291°
WNW
295°
WNW
300°
WNW
297°
WNW
283°
WNW
Wind chill0°C (33°F)0°C (32°F)-0°C (31°F)-1°C (31°F)-0°C (32°F)0°C (32°F)1°C (34°F)2°C (36°F)
Waves
Height3.1m (10.1ft)4.4m (14.4ft)5.4m (17.9ft)4.5m (14.7ft)3.7m (12.1ft)3.1m (10.3ft)2.8m (9.1ft)2.4m (7.9ft)
Direction 251°
WSW
262°
W
290°
WNW
317°
NW
329°
NNW
336°
NNW
341°
NNW
337°
NNW
Period8.4 sec.10.8 sec.10.8 sec.9.9 sec.9.4 sec.9.2 sec.9.0 sec.8.7 sec.
Significant height1.8m (5.9ft)2.9m (9.5ft)1.9m (6.2ft)1.8m (5.9ft)1.4m (4.6ft)1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°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 50°F t and a low of 40°F. Precipitation is in the forecast (0.1in 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 26.1mph km/h (with gusts up to 33.6mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)8°C (46°F)10°C (50°F)9°C (48°F)7°C (45°F)6°C (42°F)5°C (40°F)
Perceived temperature3°C (38°F)3°C (38°F)3°C (37°F)6°C (42°F)5°C (40°F)3°C (38°F)1°C (34°F)0°C (33°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity55%68%85%69%78%76%80%84%
Barometric pressure1021 hPa1020 hPa1019 hPa1018 hPa1017 hPa1018 hPa1020 hPa1022 hPa
Cloud cover71%54%100%100%100%100%100%100%
Heat index7°C (45°F)7°C (45°F)8°C (46°F)10°C (50°F)9°C (48°F)7°C (45°F)6°C (42°F)5°C (40°F)
Dew point-1°C (30°F)2°C (35°F)5°C (41°F)4°C (40°F)5°C (41°F)3°C (37°F)2°C (36°F)2°C (36°F)
Wind
Speed24km/h (15mph)30km/h (18mph)35km/h (21mph)42km/h (26mph)37km/h (23mph)24km/h (15mph)24km/h (15mph)21km/h (13mph)
Gusts33km/h (21mph)40km/h (25mph)45km/h (28mph)46km/h (28mph)54km/h (33mph)37km/h (23mph)33km/h (21mph)27km/h (17mph)
Direction 262°
W
231°
SW
236°
SW
257°
WSW
287°
WNW
317°
NW
326°
NNW
324°
NW
Wind chill3°C (38°F)3°C (38°F)3°C (37°F)6°C (42°F)5°C (40°F)3°C (38°F)1°C (34°F)0°C (33°F)
Waves
Height2.1m (7.0ft)1.9m (6.2ft)2.1m (6.9ft)2.3m (7.5ft)2.6m (8.4ft)2.6m (8.5ft)2.6m (8.5ft)2.3m (7.6ft)
Direction 339°
NNW
345°
NNW
282°
WNW
289°
WNW
273°
W
277°
W
278°
W
278°
W
Period8.4 sec.8.3 sec.8.1 sec.8.0 sec.7.8 sec.7.8 sec.7.8 sec.7.5 sec.
Significant height1.0m (3.3ft)1.2m (3.9ft)1.4m (4.6ft)1.7m (5.6ft)1.9m (6.2ft)1.8m (5.9ft)1.7m (5.6ft)0.9m (3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°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 40°F t and a low of 38°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 13.1mph km/h (with gusts up to 16.8mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (40°F)4°C (39°F)3°C (38°F)4°C (39°F)4°C (39°F)4°C (38°F)4°C (38°F)4°C (39°F)
Perceived temperature0°C (32°F)-0°C (32°F)-1°C (31°F)0°C (33°F)1°C (34°F)0°C (32°F)-0°C (32°F)0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%81%81%74%68%76%72%66%
Barometric pressure1022 hPa1022 hPa1023 hPa1024 hPa1023 hPa1023 hPa1024 hPa1024 hPa
Cloud cover100%100%99%99%100%100%73%41%
Heat index4°C (40°F)4°C (39°F)3°C (38°F)4°C (39°F)4°C (39°F)4°C (38°F)4°C (38°F)4°C (39°F)
Dew point1°C (34°F)1°C (33°F)0°C (33°F)-1°C (31°F)-1°C (30°F)-0°C (31°F)-1°C (30°F)-2°C (29°F)
Wind
Speed21km/h (13mph)16km/h (10mph)16km/h (10mph)14km/h (9mph)14km/h (9mph)14km/h (9mph)15km/h (9mph)18km/h (11mph)
Gusts27km/h (16mph)21km/h (13mph)21km/h (13mph)18km/h (11mph)18km/h (11mph)19km/h (12mph)21km/h (13mph)25km/h (16mph)
Direction 318°
NW
321°
NW
318°
NW
302°
WNW
296°
WNW
302°
WNW
300°
WNW
297°
WNW
Wind chill0°C (32°F)-0°C (32°F)-1°C (31°F)0°C (33°F)1°C (34°F)0°C (32°F)-0°C (32°F)0°C (32°F)
Waves
Height2.1m (6.9ft)2.1m (6.9ft)2.0m (6.7ft)1.9m (6.3ft)1.8m (6.0ft)1.8m (5.8ft)1.8m (5.9ft)1.8m (5.8ft)
Direction 277°
W
282°
WNW
293°
WNW
308°
NW
315°
NW
320°
NW
331°
NNW
333°
NNW
Period7.5 sec.7.5 sec.7.6 sec.7.5 sec.8.0 sec.8.2 sec.7.5 sec.8.3 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°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 41°F t and a low of 38°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 13.1mph km/h (with gusts up to 18mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (39°F)4°C (38°F)4°C (38°F)4°C (40°F)5°C (41°F)5°C (41°F)3°C (37°F)4°C (39°F)
Perceived temperature-1°C (31°F)-1°C (31°F)-0°C (31°F)1°C (33°F)1°C (34°F)2°C (35°F)-0°C (32°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%62%61%59%57%57%60%60%
Barometric pressure1024 hPa1025 hPa1026 hPa1027 hPa1027 hPa1028 hPa1029 hPa1030 hPa
Cloud cover39%37%36%45%67%64%5%4%
Heat index4°C (39°F)4°C (38°F)4°C (38°F)4°C (40°F)5°C (41°F)5°C (41°F)3°C (37°F)4°C (39°F)
Dew point-2°C (28°F)-3°C (27°F)-3°C (26°F)-3°C (27°F)-3°C (27°F)-3°C (27°F)-4°C (24°F)-3°C (26°F)
Wind
Speed21km/h (13mph)20km/h (13mph)17km/h (11mph)17km/h (11mph)17km/h (11mph)15km/h (9mph)10km/h (6mph)5km/h (3mph)
Gusts29km/h (18mph)28km/h (17mph)24km/h (15mph)22km/h (14mph)23km/h (14mph)21km/h (13mph)20km/h (13mph)8km/h (5mph)
Direction 298°
WNW
301°
WNW
305°
NW
301°
WNW
295°
WNW
295°
WNW
300°
WNW
277°
W
Wind chill-1°C (31°F)-1°C (31°F)-0°C (31°F)1°C (33°F)1°C (34°F)2°C (35°F)-0°C (32°F)3°C (37°F)
Waves
Height1.7m (5.6ft)1.6m (5.4ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.1ft)1.5m (4.8ft)
Direction 336°
NNW
335°
NNW
331°
NNW
326°
NW
324°
NW
323°
NW
322°
NW
323°
NW
Period8.4 sec.8.3 sec.8.1 sec.7.9 sec.7.9 sec.7.8 sec.7.6 sec.7.5 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°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 47°F t and a low of 40°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 8.1mph km/h (with gusts up to 15.5mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature4°C (39°F)4°C (39°F)5°C (40°F)6°C (44°F)6°C (43°F)6°C (44°F)4°C (38°F)8°C (47°F)
Perceived temperature4°C (39°F)4°C (38°F)3°C (37°F)5°C (41°F)5°C (41°F)6°C (44°F)1°C (33°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%61%63%63%60%58%58%52%
Barometric pressure1029 hPa1030 hPa1030 hPa1030 hPa1028 hPa1028 hPa1029 hPa1029 hPa
Cloud cover0%5%0%0%3%3%0%0%
Heat index4°C (39°F)4°C (39°F)5°C (40°F)6°C (44°F)6°C (43°F)6°C (44°F)4°C (38°F)8°C (47°F)
Dew point-3°C (27°F)-3°C (27°F)-2°C (29°F)-0°C (32°F)-1°C (30°F)-1°C (30°F)-4°C (25°F)-1°C (30°F)
Wind
Speed1km/h (1mph)4km/h (2mph)8km/h (5mph)8km/h (5mph)7km/h (4mph)3km/h (2mph)11km/h (7mph)13km/h (8mph)
Gusts2km/h (1mph)7km/h (4mph)14km/h (8mph)10km/h (6mph)11km/h (7mph)6km/h (4mph)23km/h (14mph)25km/h (15mph)
Direction 257°
WSW
113°
ESE
124°
SE
138°
SE
143°
SE
158°
SSE
185°
S
205°
SSW
Wind chill4°C (39°F)4°C (38°F)3°C (37°F)5°C (41°F)5°C (41°F)6°C (44°F)1°C (33°F)6°C (43°F)
Waves
Height1.3m (4.4ft)1.2m (4.0ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (2.9ft)0.8m (2.6ft)0.7m (2.2ft)0.6m (1.9ft)
Direction 323°
NW
323°
NW
325°
NW
324°
NW
325°
NW
327°
NNW
328°
NNW
331°
NNW
Period7.5 sec.7.3 sec.7.2 sec.6.8 sec.6.7 sec.6.4 sec.6.2 sec.6.0 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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