Sea weather in Muroran in Japan All the beach weather in Muroran

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

Discover the best moment to go to the beach in Muroran in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Muroran. 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 202531°F to 38°Fnot recommended
Saturday 6 December 202538°F to 47°Fnot recommended
Sunday 7 December 202545°F to 49°Fdiscouraged
Monday 8 December 202538°F to 45°Fdiscouraged
Tuesday 9 December 202534°F to 38°Fnot recommended
Wednesday 10 December 202534°F to 41°Fnot recommended
Thursday 11 December 202532°F to 41°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Muroran

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:50 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 38°F t and a low of 31°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 29.8mph km/h (with gusts up to 37.3mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-0°C (31°F)-1°C (31°F)-1°C (31°F)1°C (33°F)1°C (35°F)1°C (34°F)2°C (35°F)3°C (37°F)
Perceived temperature-8°C (17°F)-9°C (16°F)-9°C (16°F)-7°C (19°F)-6°C (22°F)-6°C (22°F)-5°C (23°F)-4°C (24°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%71%64%61%61%58%59%
Barometric pressure1007 hPa1008 hPa1009 hPa1010 hPa1010 hPa1011 hPa1012 hPa1012 hPa
Cloud cover88%82%60%72%87%49%51%45%
Heat index-0°C (31°F)-1°C (31°F)-1°C (31°F)1°C (33°F)1°C (35°F)1°C (34°F)2°C (35°F)3°C (37°F)
Dew point-4°C (24°F)-5°C (24°F)-5°C (23°F)-6°C (22°F)-5°C (23°F)-5°C (22°F)-6°C (22°F)-4°C (24°F)
Wind
Speed44km/h (27mph)48km/h (30mph)48km/h (30mph)44km/h (28mph)42km/h (26mph)42km/h (26mph)39km/h (24mph)48km/h (30mph)
Gusts51km/h (32mph)55km/h (34mph)55km/h (34mph)51km/h (32mph)50km/h (31mph)54km/h (34mph)54km/h (33mph)60km/h (37mph)
Direction 286°
WNW
286°
WNW
283°
WNW
284°
WNW
288°
WNW
281°
W
278°
W
277°
W
Wind chill-8°C (17°F)-9°C (16°F)-9°C (16°F)-7°C (19°F)-6°C (22°F)-6°C (22°F)-5°C (23°F)-4°C (24°F)
Waves
Height1.4m (4.6ft)1.4m (4.7ft)1.4m (4.6ft)1.3m (4.4ft)1.3m (4.2ft)1.3m (4.2ft)1.3m (4.2ft)1.5m (4.9ft)
Direction 294°
WNW
295°
WNW
296°
WNW
297°
WNW
292°
WNW
290°
WNW
284°
WNW
296°
WNW
Period11.1 sec.10.6 sec.10.1 sec.10.0 sec.13.1 sec.12.5 sec.12.1 sec.11.5 sec.
Significant height1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.6m (5.2ft)1.7m (5.6ft)1.9m (6.2ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:50 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 47°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! Be careful, the sea will be generally rough with a wind speed of up to 31.7mph km/h (with gusts up to 39.2mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)4°C (40°F)5°C (41°F)6°C (43°F)8°C (46°F)8°C (46°F)7°C (44°F)8°C (46°F)
Perceived temperature-4°C (26°F)-2°C (28°F)-1°C (30°F)0°C (33°F)3°C (38°F)4°C (40°F)4°C (39°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%62%63%60%59%65%77%78%
Barometric pressure1013 hPa1015 hPa1017 hPa1018 hPa1018 hPa1017 hPa1017 hPa1016 hPa
Cloud cover65%57%65%3%51%52%100%100%
Heat index3°C (38°F)4°C (40°F)5°C (41°F)6°C (43°F)8°C (46°F)8°C (46°F)7°C (44°F)8°C (46°F)
Dew point-3°C (27°F)-2°C (28°F)-1°C (29°F)-1°C (30°F)0°C (32°F)2°C (35°F)3°C (38°F)4°C (39°F)
Wind
Speed51km/h (32mph)50km/h (31mph)44km/h (28mph)40km/h (25mph)33km/h (20mph)22km/h (13mph)15km/h (10mph)14km/h (9mph)
Gusts63km/h (39mph)63km/h (39mph)57km/h (35mph)52km/h (32mph)46km/h (28mph)33km/h (20mph)25km/h (16mph)21km/h (13mph)
Direction 275°
W
279°
W
274°
W
275°
W
264°
W
251°
WSW
217°
SW
237°
WSW
Wind chill-4°C (26°F)-2°C (28°F)-1°C (30°F)0°C (33°F)3°C (38°F)4°C (40°F)4°C (39°F)5°C (41°F)
Waves
Height1.5m (5.0ft)1.5m (5.0ft)1.4m (4.7ft)1.2m (4.0ft)1.1m (3.7ft)0.7m (2.4ft)0.5m (1.5ft)0.5m (1.7ft)
Direction 291°
WNW
287°
WNW
285°
WNW
278°
W
277°
W
268°
W
127°
SE
269°
W
Period11.3 sec.11.0 sec.10.8 sec.10.3 sec.10.1 sec.10.1 sec.10.1 sec.10.1 sec.
Significant height2.0m (6.6ft)1.9m (6.2ft)1.7m (5.6ft)1.4m (4.6ft)1.4m (4.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:51 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 49°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 13.7mph km/h (with gusts up to 20.5mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)7°C (44°F)8°C (46°F)9°C (48°F)8°C (47°F)7°C (45°F)8°C (46°F)
Perceived temperature5°C (42°F)4°C (40°F)4°C (39°F)5°C (40°F)6°C (42°F)5°C (41°F)4°C (40°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%83%76%78%74%71%74%75%
Barometric pressure1015 hPa1015 hPa1014 hPa1015 hPa1012 hPa1012 hPa1013 hPa1012 hPa
Cloud cover100%87%64%93%82%59%57%100%
Heat index8°C (46°F)7°C (45°F)7°C (44°F)8°C (46°F)9°C (48°F)8°C (47°F)7°C (45°F)8°C (46°F)
Dew point4°C (39°F)4°C (40°F)3°C (37°F)4°C (39°F)4°C (40°F)3°C (38°F)3°C (38°F)3°C (38°F)
Wind
Speed12km/h (8mph)17km/h (11mph)17km/h (11mph)17km/h (10mph)22km/h (14mph)22km/h (13mph)18km/h (11mph)17km/h (10mph)
Gusts19km/h (12mph)25km/h (16mph)28km/h (17mph)24km/h (15mph)33km/h (20mph)33km/h (21mph)29km/h (18mph)25km/h (15mph)
Direction 226°
SW
223°
SW
232°
SW
207°
SSW
236°
WSW
246°
WSW
245°
WSW
266°
W
Wind chill5°C (42°F)4°C (40°F)4°C (39°F)5°C (40°F)6°C (42°F)5°C (41°F)4°C (40°F)5°C (40°F)
Waves
Height0.4m (1.2ft)0.3m (0.9ft)0.3m (1.1ft)0.4m (1.4ft)0.4m (1.5ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.7ft)
Direction 126°
SE
125°
SE
124°
ESE
145°
SE
144°
SE
144°
SE
127°
SE
270°
W
Period10.0 sec.9.9 sec.6.2 sec.6.2 sec.6.5 sec.6.4 sec.6.1 sec.9.3 sec.
Significant height0.6m (2ft)0.3m (1ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:52 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 45°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 23mph km/h (with gusts up to 30.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (42°F)6°C (42°F)4°C (39°F)3°C (38°F)3°C (38°F)3°C (38°F)
Perceived temperature3°C (38°F)2°C (36°F)3°C (37°F)5°C (42°F)4°C (39°F)-1°C (30°F)-3°C (27°F)-3°C (27°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%68%66%65%77%96%75%69%
Barometric pressure1012 hPa1012 hPa1011 hPa1010 hPa1008 hPa1008 hPa1011 hPa1012 hPa
Cloud cover4%5%10%100%72%100%91%7%
Heat index7°C (44°F)6°C (43°F)6°C (42°F)6°C (42°F)4°C (39°F)3°C (38°F)3°C (38°F)3°C (38°F)
Dew point2°C (36°F)0°C (33°F)-0°C (32°F)-1°C (31°F)1°C (33°F)3°C (37°F)-1°C (31°F)-2°C (29°F)
Wind
Speed20km/h (13mph)23km/h (14mph)14km/h (9mph)3km/h (2mph)4km/h (2mph)17km/h (11mph)37km/h (23mph)35km/h (22mph)
Gusts30km/h (18mph)34km/h (21mph)21km/h (13mph)4km/h (3mph)5km/h (3mph)23km/h (14mph)49km/h (31mph)46km/h (29mph)
Direction 262°
W
267°
W
270°
W
271°
W
231°
SW
304°
NW
301°
WNW
290°
WNW
Wind chill3°C (38°F)2°C (36°F)3°C (37°F)5°C (42°F)4°C (39°F)-1°C (30°F)-3°C (27°F)-3°C (27°F)
Waves
Height0.7m (2.3ft)0.7m (2.4ft)0.5m (1.6ft)0.4m (1.2ft)0.3m (1.0ft)0.5m (1.5ft)0.8m (2.6ft)0.8m (2.7ft)
Direction 246°
WSW
273°
W
140°
SE
138°
SE
136°
SE
129°
SE
323°
NW
318°
NW
Period9.1 sec.8.7 sec.7.5 sec.7.9 sec.7.9 sec.8.3 sec.8.5 sec.8.5 sec.
Significant height1.3m (4.3ft)1.0m (3.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:53 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 38°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! Be careful, the sea will be generally rough with a wind speed of up to 28mph km/h (with gusts up to 36.7mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)2°C (36°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (33°F)1°C (34°F)
Perceived temperature-4°C (26°F)-4°C (24°F)-6°C (22°F)-6°C (21°F)-6°C (21°F)-7°C (20°F)-7°C (20°F)-6°C (21°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%61%64%70%63%66%64%64%
Barometric pressure1013 hPa1014 hPa1016 hPa1017 hPa1017 hPa1019 hPa1020 hPa1021 hPa
Cloud cover76%81%76%82%64%89%76%72%
Heat index3°C (37°F)2°C (36°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (34°F)1°C (33°F)1°C (34°F)
Dew point-3°C (26°F)-4°C (24°F)-5°C (24°F)-4°C (25°F)-5°C (23°F)-5°C (23°F)-5°C (22°F)-5°C (23°F)
Wind
Speed42km/h (26mph)42km/h (26mph)39km/h (24mph)40km/h (25mph)42km/h (26mph)45km/h (28mph)44km/h (28mph)41km/h (26mph)
Gusts53km/h (33mph)52km/h (32mph)48km/h (30mph)46km/h (29mph)51km/h (32mph)57km/h (35mph)59km/h (37mph)51km/h (32mph)
Direction 291°
WNW
294°
WNW
291°
WNW
288°
WNW
295°
WNW
293°
WNW
290°
WNW
289°
WNW
Wind chill-4°C (26°F)-4°C (24°F)-6°C (22°F)-6°C (21°F)-6°C (21°F)-7°C (20°F)-7°C (20°F)-6°C (21°F)
Waves
Height1.0m (3.1ft)1.1m (3.5ft)1.1m (3.7ft)1.1m (3.8ft)1.2m (3.9ft)1.3m (4.2ft)1.4m (4.5ft)1.4m (4.5ft)
Direction 300°
WNW
313°
NW
299°
WNW
292°
WNW
306°
NW
295°
WNW
287°
WNW
302°
WNW
Period8.5 sec.8.6 sec.9.2 sec.9.3 sec.9.2 sec.9.2 sec.9.3 sec.9.3 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)1.5m (4.9ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:54 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 41°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! Be careful, the sea will be generally rough with a wind speed of up to 29.8mph km/h (with gusts up to 35.4mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)1°C (35°F)1°C (34°F)2°C (35°F)4°C (39°F)5°C (40°F)4°C (38°F)5°C (41°F)
Perceived temperature-6°C (22°F)-6°C (21°F)-6°C (21°F)-4°C (24°F)-2°C (29°F)-1°C (30°F)-1°C (30°F)1°C (34°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%59%60%59%54%54%81%78%
Barometric pressure1020 hPa1021 hPa1023 hPa1024 hPa1021 hPa1020 hPa1019 hPa1017 hPa
Cloud cover71%67%5%14%59%100%87%52%
Heat index1°C (34°F)1°C (35°F)1°C (34°F)2°C (35°F)4°C (39°F)5°C (40°F)4°C (38°F)5°C (41°F)
Dew point-5°C (23°F)-6°C (22°F)-6°C (22°F)-5°C (22°F)-5°C (24°F)-4°C (25°F)1°C (33°F)2°C (35°F)
Wind
Speed41km/h (25mph)48km/h (30mph)42km/h (26mph)31km/h (19mph)31km/h (19mph)41km/h (25mph)25km/h (16mph)22km/h (14mph)
Gusts49km/h (31mph)57km/h (36mph)50km/h (31mph)37km/h (23mph)40km/h (25mph)55km/h (34mph)36km/h (22mph)31km/h (19mph)
Direction 284°
WNW
289°
WNW
288°
WNW
272°
W
257°
WSW
272°
W
254°
WSW
254°
WSW
Wind chill-6°C (22°F)-6°C (21°F)-6°C (21°F)-4°C (24°F)-2°C (29°F)-1°C (30°F)-1°C (30°F)1°C (34°F)
Waves
Height1.4m (4.5ft)1.4m (4.7ft)1.5m (4.8ft)1.4m (4.7ft)1.2m (3.9ft)0.9m (3.1ft)0.7m (2.4ft)0.5m (1.7ft)
Direction 302°
WNW
301°
WNW
300°
WNW
301°
WNW
296°
WNW
296°
WNW
284°
WNW
276°
W
Period9.4 sec.9.6 sec.9.8 sec.10.0 sec.10.0 sec.10.0 sec.10.1 sec.10.3 sec.
Significant height1.7m (5.6ft)1.8m (5.9ft)1.8m (5.9ft)1.7m (5.6ft)1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:55 and will set at 16:04 on the beach(es) of Muroran. The outside temperature will be a high of 41°F t and a low of 32°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 28mph km/h (with gusts up to 36mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)4°C (38°F)1°C (34°F)1°C (33°F)0°C (33°F)0°C (33°F)-0°C (31°F)0°C (32°F)
Perceived temperature-1°C (30°F)-3°C (27°F)-6°C (21°F)-6°C (21°F)-6°C (21°F)-6°C (22°F)-6°C (20°F)-6°C (21°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%61%60%57%59%65%64%
Barometric pressure1016 hPa1018 hPa1020 hPa1021 hPa1021 hPa1021 hPa1022 hPa1021 hPa
Cloud cover63%84%0%5%52%100%100%100%
Heat index5°C (41°F)4°C (38°F)1°C (34°F)1°C (33°F)0°C (33°F)0°C (33°F)-0°C (31°F)0°C (32°F)
Dew point0°C (33°F)-1°C (30°F)-6°C (22°F)-6°C (20°F)-7°C (19°F)-7°C (20°F)-6°C (21°F)-6°C (22°F)
Wind
Speed45km/h (28mph)38km/h (23mph)41km/h (25mph)34km/h (21mph)28km/h (18mph)26km/h (16mph)27km/h (17mph)26km/h (16mph)
Gusts58km/h (36mph)47km/h (29mph)48km/h (30mph)40km/h (25mph)35km/h (22mph)33km/h (21mph)37km/h (23mph)34km/h (21mph)
Direction 283°
WNW
300°
WNW
293°
WNW
297°
WNW
298°
WNW
293°
WNW
292°
WNW
287°
WNW
Wind chill-1°C (30°F)-3°C (27°F)-6°C (21°F)-6°C (21°F)-6°C (21°F)-6°C (22°F)-6°C (20°F)-6°C (21°F)
Waves
Height0.6m (1.8ft)0.6m (1.8ft)0.4m (1.4ft)0.4m (1.3ft)0.6m (1.8ft)0.6m (2.1ft)0.7m (2.4ft)0.8m (2.6ft)
Direction 272°
W
272°
W
128°
SE
128°
SE
317°
NW
312°
NW
322°
NW
304°
WNW
Period10.3 sec.10.5 sec.10.7 sec.10.7 sec.10.6 sec.10.5 sec.10.4 sec.9.8 sec.
Significant height1.0m (3.3ft)0.8m (2.6ft)0.5m (1.6ft)0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (51°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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