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
Sunday 14 December 202536°F to 41°Fnot recommended
Monday 15 December 202531°F to 41°Fnot recommended
Tuesday 16 December 202527°F to 38°Fnot recommended
Wednesday 17 December 202527°F to 29°Fnot recommended
Thursday 18 December 202529°F to 36°Fnot recommended
Friday 19 December 202538°F to 47°Fdiscouraged
Saturday 20 December 202545°F to 49°Frecommended

Sea Weather: Your daily and hourly sea weather in Muroran

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:57 and will set at 16:05 on the beach(es) of Muroran. The outside temperature will be a high of 41°F t and a low of 36°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 32.9mph km/h (with gusts up to 42.9mph). Wave height will be up to 9.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)2°C (35°F)3°C (38°F)5°C (41°F)5°C (40°F)3°C (38°F)3°C (37°F)4°C (39°F)
Perceived temperature-1°C (30°F)1°C (34°F)-1°C (29°F)-0°C (32°F)-2°C (28°F)-4°C (25°F)-4°C (25°F)-2°C (28°F)
Precipitation0in0in0in0in0.1in0.1in0.1in0.1in
Humidity58%55%67%76%95%97%88%80%
Barometric pressure1021 hPa1020 hPa1017 hPa1014 hPa1009 hPa1005 hPa1000 hPa997 hPa
Cloud cover55%100%78%100%100%100%100%98%
Heat index2°C (35°F)2°C (35°F)3°C (38°F)5°C (41°F)5°C (40°F)3°C (38°F)3°C (37°F)4°C (39°F)
Dew point-6°C (22°F)-6°C (21°F)-2°C (28°F)1°C (34°F)4°C (39°F)3°C (37°F)1°C (34°F)1°C (33°F)
Wind
Speed10km/h (6mph)4km/h (3mph)23km/h (14mph)37km/h (23mph)49km/h (30mph)53km/h (33mph)40km/h (25mph)35km/h (22mph)
Gusts15km/h (9mph)7km/h (4mph)32km/h (20mph)47km/h (29mph)65km/h (40mph)69km/h (43mph)53km/h (33mph)46km/h (28mph)
Direction 226°
SW
148°
SSE
114°
ESE
105°
ESE
107°
ESE
79°
ENE
54°
NE
30°
NNE
Wind chill-1°C (30°F)1°C (34°F)-1°C (29°F)-0°C (32°F)-2°C (28°F)-4°C (25°F)-4°C (25°F)-2°C (28°F)
Waves
Height0.4m (1.3ft)0.4m (1.2ft)0.4m (1.3ft)0.8m (2.5ft)1.6m (5.1ft)2.6m (8.6ft)3.0m (9.7ft)2.3m (7.5ft)
Direction 111°
ESE
111°
ESE
110°
ESE
110°
ESE
112°
ESE
104°
ESE
97°
E
109°
ESE
Period12.0 sec.12.0 sec.12.0 sec.12.0 sec.12.0 sec.12.0 sec.12.0 sec.7.8 sec.
Significant height0.6m (2ft)0.6m (2ft)0.8m (2.6ft)1.5m (4.9ft)2.0m (6.6ft)2.8m (9.2ft)2.4m (7.9ft)1.4m (4.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:58 and will set at 16:05 on the beach(es) of Muroran. The outside temperature will be a high of 41°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 36mph km/h (with gusts up to 46mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (38°F)5°C (40°F)5°C (40°F)4°C (40°F)3°C (38°F)2°C (35°F)1°C (33°F)2°C (35°F)
Perceived temperature-2°C (28°F)-2°C (29°F)-2°C (28°F)-3°C (27°F)-4°C (25°F)-6°C (21°F)-7°C (19°F)-5°C (22°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%79%80%76%78%72%65%65%
Barometric pressure994 hPa995 hPa1000 hPa1004 hPa1006 hPa1010 hPa1013 hPa1015 hPa
Cloud cover100%75%100%89%100%100%51%47%
Heat index3°C (38°F)5°C (40°F)5°C (40°F)4°C (40°F)3°C (38°F)2°C (35°F)1°C (33°F)2°C (35°F)
Dew point2°C (35°F)1°C (34°F)1°C (35°F)1°C (33°F)-0°C (32°F)-3°C (27°F)-5°C (23°F)-4°C (24°F)
Wind
Speed32km/h (20mph)48km/h (30mph)58km/h (36mph)58km/h (36mph)57km/h (35mph)53km/h (33mph)50km/h (31mph)44km/h (27mph)
Gusts40km/h (25mph)61km/h (38mph)73km/h (45mph)74km/h (46mph)71km/h (44mph)68km/h (42mph)67km/h (42mph)56km/h (35mph)
Direction 331°
NNW
329°
NNW
325°
NW
316°
NW
309°
NW
306°
NW
294°
WNW
290°
WNW
Wind chill-2°C (28°F)-2°C (29°F)-2°C (28°F)-3°C (27°F)-4°C (25°F)-6°C (21°F)-7°C (19°F)-5°C (22°F)
Waves
Height2.3m (7.7ft)2.5m (8.1ft)2.6m (8.6ft)2.8m (9.3ft)2.6m (8.5ft)2.3m (7.4ft)1.9m (6.2ft)1.7m (5.7ft)
Direction 115°
ESE
119°
ESE
119°
ESE
333°
NNW
329°
NNW
329°
NNW
317°
NW
308°
NW
Period9.0 sec.9.9 sec.10.1 sec.10.8 sec.10.8 sec.10.6 sec.10.7 sec.10.9 sec.
Significant height1.4m (4.6ft)1.6m (5.2ft)2.7m (8.9ft)2.8m (9.2ft)2.4m (7.9ft)2.6m (8.5ft)2.1m (6.9ft)2.1m (6.9ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:59 and will set at 16:05 on the beach(es) of Muroran. The outside temperature will be a high of 38°F t and a low of 27°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 38.5mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)3°C (38°F)3°C (37°F)2°C (36°F)1°C (34°F)-1°C (30°F)-3°C (27°F)-3°C (27°F)
Perceived temperature-4°C (24°F)-3°C (26°F)-4°C (25°F)-5°C (24°F)-7°C (20°F)-9°C (15°F)-12°C (11°F)-12°C (10°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%60%63%72%69%67%69%69%
Barometric pressure1014 hPa1014 hPa1014 hPa1014 hPa1013 hPa1014 hPa1016 hPa1016 hPa
Cloud cover94%49%90%97%100%67%99%99%
Heat index2°C (36°F)3°C (38°F)3°C (37°F)2°C (36°F)1°C (34°F)-1°C (30°F)-3°C (27°F)-3°C (27°F)
Dew point-4°C (25°F)-4°C (25°F)-4°C (25°F)-2°C (28°F)-4°C (25°F)-6°C (21°F)-8°C (18°F)-8°C (18°F)
Wind
Speed41km/h (26mph)45km/h (28mph)41km/h (26mph)40km/h (25mph)46km/h (29mph)50km/h (31mph)50km/h (31mph)51km/h (32mph)
Gusts52km/h (32mph)58km/h (36mph)53km/h (33mph)49km/h (30mph)56km/h (35mph)61km/h (38mph)62km/h (38mph)59km/h (37mph)
Direction 291°
WNW
285°
WNW
290°
WNW
293°
WNW
292°
WNW
289°
WNW
289°
WNW
283°
WNW
Wind chill-4°C (24°F)-3°C (26°F)-4°C (25°F)-5°C (24°F)-7°C (20°F)-9°C (15°F)-12°C (11°F)-12°C (10°F)
Waves
Height1.6m (5.3ft)1.5m (5.0ft)1.5m (5.0ft)1.4m (4.5ft)1.3m (4.2ft)1.5m (4.9ft)1.6m (5.4ft)1.7m (5.4ft)
Direction 305°
NW
305°
NW
306°
NW
306°
NW
297°
WNW
295°
WNW
302°
WNW
294°
WNW
Period10.9 sec.11.2 sec.12.1 sec.12.2 sec.12.4 sec.12.4 sec.12.2 sec.12.0 sec.
Significant height1.9m (6.2ft)1.8m (5.9ft)1.8m (5.9ft)1.6m (5.2ft)1.6m (5.2ft)2.1m (6.9ft)2.2m (7.2ft)2.0m (6.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:00 and will set at 16:06 on the beach(es) of Muroran. The outside temperature will be a high of 29°F t and a low of 27°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 31.1mph km/h (with gusts up to 36mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-3°C (26°F)-3°C (26°F)-3°C (26°F)-3°C (27°F)-2°C (28°F)-2°C (28°F)-3°C (27°F)-2°C (28°F)
Perceived temperature-12°C (10°F)-12°C (10°F)-12°C (10°F)-11°C (11°F)-11°C (12°F)-11°C (12°F)-11°C (12°F)-11°C (13°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%73%73%71%68%67%68%68%
Barometric pressure1016 hPa1017 hPa1017 hPa1018 hPa1017 hPa1018 hPa1019 hPa1020 hPa
Cloud cover100%100%100%100%85%92%93%100%
Heat index-3°C (26°F)-3°C (26°F)-3°C (26°F)-3°C (27°F)-2°C (28°F)-2°C (28°F)-3°C (27°F)-2°C (28°F)
Dew point-8°C (18°F)-7°C (19°F)-7°C (19°F)-7°C (19°F)-7°C (19°F)-8°C (18°F)-8°C (18°F)-7°C (19°F)
Wind
Speed50km/h (31mph)49km/h (30mph)49km/h (30mph)45km/h (28mph)47km/h (29mph)46km/h (28mph)42km/h (26mph)41km/h (26mph)
Gusts58km/h (36mph)56km/h (35mph)56km/h (35mph)51km/h (32mph)54km/h (34mph)55km/h (34mph)53km/h (33mph)50km/h (31mph)
Direction 282°
WNW
282°
WNW
282°
WNW
276°
W
278°
W
279°
W
280°
W
278°
W
Wind chill-12°C (10°F)-12°C (10°F)-12°C (10°F)-11°C (11°F)-11°C (12°F)-11°C (12°F)-11°C (12°F)-11°C (13°F)
Waves
Height1.6m (5.4ft)1.6m (5.4ft)1.6m (5.1ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.8ft)1.2m (3.8ft)
Direction 293°
WNW
291°
WNW
292°
WNW
292°
WNW
282°
WNW
278°
W
279°
W
283°
WNW
Period11.8 sec.11.6 sec.11.1 sec.10.8 sec.10.6 sec.10.5 sec.10.4 sec.10.4 sec.
Significant height2.0m (6.6ft)2.0m (6.6ft)1.8m (5.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:00 and will set at 16:06 on the beach(es) of Muroran. The outside temperature will be a high of 36°F t and a low of 29°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 29.2mph km/h (with gusts up to 33.6mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-2°C (28°F)-2°C (28°F)-2°C (29°F)-1°C (30°F)0°C (32°F)1°C (33°F)-0°C (32°F)2°C (35°F)
Perceived temperature-10°C (13°F)-11°C (13°F)-10°C (14°F)-8°C (17°F)-7°C (20°F)-6°C (22°F)-5°C (23°F)-4°C (25°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%70%66%63%63%62%61%75%
Barometric pressure1020 hPa1021 hPa1023 hPa1025 hPa1024 hPa1025 hPa1026 hPa1026 hPa
Cloud cover100%92%85%58%92%53%60%67%
Heat index-2°C (28°F)-2°C (28°F)-2°C (29°F)-1°C (30°F)0°C (32°F)1°C (33°F)-0°C (32°F)2°C (35°F)
Dew point-7°C (20°F)-7°C (20°F)-7°C (19°F)-7°C (19°F)-6°C (21°F)-6°C (22°F)-7°C (20°F)-3°C (28°F)
Wind
Speed45km/h (28mph)47km/h (29mph)42km/h (26mph)33km/h (21mph)34km/h (21mph)32km/h (20mph)18km/h (11mph)24km/h (15mph)
Gusts52km/h (33mph)54km/h (34mph)49km/h (31mph)40km/h (25mph)42km/h (26mph)43km/h (27mph)29km/h (18mph)35km/h (22mph)
Direction 278°
W
283°
WNW
288°
WNW
285°
WNW
281°
WNW
281°
WNW
262°
W
276°
W
Wind chill-10°C (13°F)-11°C (13°F)-10°C (14°F)-8°C (17°F)-7°C (20°F)-6°C (22°F)-5°C (23°F)-4°C (25°F)
Waves
Height1.1m (3.7ft)1.0m (3.4ft)0.9m (3.1ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.5ft)0.6m (1.9ft)0.5m (1.5ft)
Direction 285°
WNW
282°
WNW
284°
WNW
282°
WNW
284°
WNW
285°
WNW
275°
W
111°
ESE
Period10.4 sec.10.4 sec.10.6 sec.10.6 sec.10.4 sec.10.2 sec.10.0 sec.9.9 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:01 and will set at 16:06 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! The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 25.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)3°C (37°F)4°C (38°F)4°C (40°F)5°C (42°F)6°C (42°F)7°C (44°F)8°C (46°F)
Perceived temperature-2°C (28°F)-1°C (30°F)-0°C (32°F)1°C (34°F)3°C (37°F)3°C (37°F)3°C (38°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%79%84%91%87%90%84%81%
Barometric pressure1025 hPa1025 hPa1025 hPa1026 hPa1024 hPa1023 hPa1023 hPa1023 hPa
Cloud cover40%13%81%100%100%100%100%65%
Heat index3°C (37°F)3°C (37°F)4°C (38°F)4°C (40°F)5°C (42°F)6°C (42°F)7°C (44°F)8°C (46°F)
Dew point-1°C (30°F)-0°C (32°F)1°C (34°F)3°C (37°F)3°C (38°F)4°C (40°F)4°C (39°F)5°C (40°F)
Wind
Speed19km/h (12mph)18km/h (11mph)16km/h (10mph)14km/h (9mph)12km/h (8mph)15km/h (9mph)19km/h (12mph)24km/h (15mph)
Gusts27km/h (17mph)27km/h (17mph)24km/h (15mph)20km/h (12mph)19km/h (12mph)24km/h (15mph)33km/h (21mph)41km/h (25mph)
Direction 253°
WSW
232°
SW
227°
SW
184°
S
188°
S
170°
S
195°
SSW
206°
SSW
Wind chill-2°C (28°F)-1°C (30°F)-0°C (32°F)1°C (34°F)3°C (37°F)3°C (37°F)3°C (38°F)4°C (39°F)
Waves
Height0.4m (1.3ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (1.1ft)0.4m (1.2ft)
Direction 112°
ESE
113°
ESE
113°
ESE
114°
ESE
114°
ESE
114°
ESE
114°
ESE
114°
ESE
Period9.9 sec.9.8 sec.9.7 sec.9.7 sec.9.7 sec.9.2 sec.9.6 sec.9.3 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:01 and will set at 16:07 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 12.4mph km/h (with gusts up to 21.8mph). 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)8°C (47°F)9°C (48°F)8°C (47°F)8°C (47°F)8°C (47°F)7°C (45°F)7°C (45°F)
Perceived temperature5°C (40°F)5°C (41°F)7°C (44°F)6°C (43°F)9°C (47°F)7°C (44°F)5°C (40°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%89%87%84%83%88%85%81%
Barometric pressure1021 hPa1021 hPa1021 hPa1022 hPa1020 hPa1020 hPa1021 hPa1021 hPa
Cloud cover36%100%29%8%85%64%12%81%
Heat index8°C (46°F)8°C (47°F)9°C (48°F)8°C (47°F)8°C (47°F)8°C (47°F)7°C (45°F)7°C (45°F)
Dew point5°C (41°F)6°C (44°F)7°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)5°C (41°F)4°C (39°F)
Wind
Speed20km/h (13mph)19km/h (12mph)12km/h (7mph)12km/h (8mph)3km/h (2mph)8km/h (5mph)14km/h (9mph)20km/h (12mph)
Gusts35km/h (22mph)34km/h (21mph)20km/h (12mph)21km/h (13mph)6km/h (3mph)15km/h (9mph)29km/h (18mph)31km/h (19mph)
Direction 194°
SSW
201°
SSW
241°
WSW
244°
WSW
283°
WNW
203°
SSW
262°
W
265°
W
Wind chill5°C (40°F)5°C (41°F)7°C (44°F)6°C (43°F)9°C (47°F)7°C (44°F)5°C (40°F)4°C (39°F)
Waves
Height0.4m (1.4ft)0.4m (1.4ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.2ft)0.5m (1.6ft)0.5m (1.8ft)
Direction 113°
ESE
114°
ESE
116°
ESE
117°
ESE
118°
ESE
114°
ESE
292°
WNW
333°
NNW
Period8.3 sec.3.7 sec.4.0 sec.4.1 sec.5.2 sec.5.1 sec.5.2 sec.5.6 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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