Sea weather in Monbetsu in Japan All the beach weather in Monbetsu

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

Discover the best moment to go to the beach in Monbetsu in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Monbetsu. 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 202520°F to 27°Fnot recommended
Sunday 14 December 202525°F to 36°Fnot recommended
Monday 15 December 202529°F to 34°Fnot recommended
Tuesday 16 December 202520°F to 29°Fnot recommended
Wednesday 17 December 202520°F to 27°Fnot recommended
Thursday 18 December 202522°F to 29°Fnot recommended
Friday 19 December 202523°F to 34°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Monbetsu

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 06:53 and will set at 15:47 on the beach(es) of Monbetsu. The outside temperature will be a high of 27°F t and a low of 20°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 24.2mph km/h (with gusts up to 31.1mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-7°C (20°F)-6°C (20°F)-6°C (21°F)-5°C (24°F)-3°C (27°F)-3°C (27°F)-4°C (26°F)-3°C (26°F)
Perceived temperature-16°C (3°F)-16°C (4°F)-15°C (5°F)-13°C (9°F)-11°C (12°F)-10°C (13°F)-9°C (16°F)-8°C (17°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%66%72%70%63%68%85%79%
Barometric pressure1019 hPa1020 hPa1020 hPa1021 hPa1020 hPa1020 hPa1021 hPa1020 hPa
Cloud cover73%91%100%100%69%64%100%55%
Heat index-7°C (20°F)-6°C (20°F)-6°C (21°F)-5°C (24°F)-3°C (27°F)-3°C (27°F)-4°C (26°F)-3°C (26°F)
Dew point-12°C (11°F)-12°C (11°F)-10°C (14°F)-9°C (15°F)-9°C (16°F)-8°C (17°F)-6°C (22°F)-6°C (21°F)
Wind
Speed36km/h (23mph)39km/h (24mph)33km/h (21mph)34km/h (21mph)36km/h (22mph)31km/h (19mph)16km/h (10mph)14km/h (9mph)
Gusts48km/h (30mph)50km/h (31mph)45km/h (28mph)44km/h (27mph)47km/h (29mph)44km/h (28mph)24km/h (15mph)23km/h (14mph)
Direction 293°
WNW
296°
WNW
293°
WNW
289°
WNW
291°
WNW
286°
WNW
279°
W
238°
WSW
Wind chill-16°C (3°F)-16°C (4°F)-15°C (5°F)-13°C (9°F)-11°C (12°F)-10°C (13°F)-9°C (16°F)-8°C (17°F)
Waves
Height2.1m (7.0ft)2.4m (7.9ft)2.5m (8.2ft)2.4m (7.9ft)2.4m (7.8ft)2.5m (8.3ft)2.5m (8.3ft)2.5m (8.2ft)
Direction 344°
NNW
340°
NNW

N

N

N
29°
NNE
25°
NNE
30°
NNE
Period7.6 sec.7.9 sec.8.1 sec.8.3 sec.8.3 sec.10.7 sec.10.9 sec.12.9 sec.
Significant height1.7m (5.6ft)1.9m (6.2ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.1m (3.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:54 and will set at 15:47 on the beach(es) of Monbetsu. The outside temperature will be a high of 36°F t and a low of 25°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 24.2mph km/h (with gusts up to 27.3mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-4°C (26°F)-4°C (25°F)-4°C (26°F)-2°C (29°F)0°C (32°F)1°C (33°F)1°C (33°F)1°C (35°F)
Perceived temperature-9°C (17°F)-9°C (16°F)-9°C (16°F)-6°C (21°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-5°C (22°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity74%74%72%66%63%74%96%98%
Barometric pressure1020 hPa1020 hPa1019 hPa1018 hPa1015 hPa1012 hPa1009 hPa1003 hPa
Cloud cover61%67%65%11%100%100%100%100%
Heat index-4°C (26°F)-4°C (25°F)-4°C (26°F)-2°C (29°F)0°C (32°F)1°C (33°F)1°C (33°F)1°C (35°F)
Dew point-7°C (19°F)-8°C (18°F)-8°C (18°F)-7°C (19°F)-6°C (21°F)-3°C (26°F)0°C (32°F)1°C (34°F)
Wind
Speed14km/h (9mph)14km/h (9mph)14km/h (9mph)14km/h (9mph)19km/h (12mph)26km/h (16mph)24km/h (15mph)39km/h (24mph)
Gusts25km/h (16mph)24km/h (15mph)27km/h (17mph)21km/h (13mph)27km/h (17mph)39km/h (24mph)37km/h (23mph)44km/h (27mph)
Direction 223°
SW
188°
S
180°
S
162°
SSE
125°
SE
125°
SE
88°
E
84°
E
Wind chill-9°C (17°F)-9°C (16°F)-9°C (16°F)-6°C (21°F)-5°C (23°F)-5°C (23°F)-5°C (23°F)-5°C (22°F)
Waves
Height2.4m (7.9ft)2.2m (7.3ft)2.1m (6.8ft)1.9m (6.3ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.3ft)1.5m (4.8ft)
Direction 26°
NNE
25°
NNE
24°
NNE
23°
NNE
22°
NNE
21°
NNE
20°
NNE
20°
NNE
Period12.4 sec.12.0 sec.11.9 sec.11.9 sec.12.0 sec.11.9 sec.11.8 sec.11.6 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.9m (3ft)0.9m (3ft)0.6m (2ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:55 and will set at 15:48 on the beach(es) of Monbetsu. The outside temperature will be a high of 34°F t and a low of 29°F. Precipitation is in the forecast (0.4in 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 42.3mph km/h (with gusts up to 44.1mph). Wave height will be up to 13.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)1°C (33°F)1°C (33°F)1°C (33°F)1°C (33°F)0°C (32°F)-1°C (31°F)-2°C (29°F)
Perceived temperature-7°C (20°F)-8°C (18°F)-8°C (17°F)-8°C (18°F)-8°C (17°F)-8°C (17°F)-9°C (16°F)-11°C (13°F)
Precipitation0.1in0.2in0in0in0in0in0in0in
Humidity98%98%95%97%93%87%79%73%
Barometric pressure996 hPa991 hPa988 hPa990 hPa993 hPa997 hPa1002 hPa1004 hPa
Cloud cover100%100%100%100%100%89%78%74%
Heat index1°C (34°F)1°C (33°F)1°C (33°F)1°C (33°F)1°C (33°F)0°C (32°F)-1°C (31°F)-2°C (29°F)
Dew point1°C (33°F)0°C (32°F)-0°C (32°F)0°C (33°F)-0°C (31°F)-2°C (29°F)-4°C (25°F)-6°C (21°F)
Wind
Speed49km/h (31mph)58km/h (36mph)68km/h (42mph)64km/h (40mph)62km/h (38mph)55km/h (34mph)49km/h (31mph)49km/h (31mph)
Gusts50km/h (31mph)61km/h (38mph)71km/h (44mph)70km/h (44mph)65km/h (40mph)56km/h (35mph)54km/h (34mph)55km/h (34mph)
Direction 66°
ENE
35°
NE
10°
N
339°
NNW
327°
NNW
306°
NW
296°
WNW
295°
WNW
Wind chill-7°C (20°F)-8°C (18°F)-8°C (17°F)-8°C (18°F)-8°C (17°F)-8°C (17°F)-9°C (16°F)-11°C (13°F)
Waves
Height1.6m (5.4ft)2.3m (7.5ft)2.7m (8.9ft)3.4m (11.0ft)3.9m (12.9ft)4.1m (13.5ft)4.0m (13.3ft)3.9m (12.8ft)
Direction 21°
NNE
52°
NE
49°
NE
50°
NE
48°
NE
48°
NE
56°
ENE
52°
NE
Period15.9 sec.15.6 sec.12.2 sec.8.3 sec.9.4 sec.10.6 sec.10.6 sec.11.1 sec.
Significant height1.5m (4.9ft)1.7m (5.6ft)1.8m (5.9ft)2.3m (7.5ft)2.7m (8.9ft)2.4m (7.9ft)2.4m (7.9ft)2.1m (6.9ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:56 and will set at 15:48 on the beach(es) of Monbetsu. The outside temperature will be a high of 29°F t and a low of 20°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 33.6mph km/h (with gusts up to 42.3mph). Wave height will be up to 11.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-2°C (29°F)-2°C (28°F)-3°C (27°F)-3°C (26°F)-5°C (24°F)-6°C (22°F)-7°C (19°F)-6°C (21°F)
Perceived temperature-11°C (13°F)-10°C (14°F)-12°C (11°F)-12°C (10°F)-14°C (6°F)-16°C (3°F)-18°C (-1°F)-17°C (2°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%70%66%70%67%71%70%70%
Barometric pressure1005 hPa1005 hPa1006 hPa1006 hPa1004 hPa1005 hPa1006 hPa1006 hPa
Cloud cover84%81%83%70%73%57%87%71%
Heat index-2°C (29°F)-2°C (28°F)-3°C (27°F)-3°C (26°F)-5°C (24°F)-6°C (22°F)-7°C (19°F)-6°C (21°F)
Dew point-7°C (20°F)-7°C (20°F)-8°C (17°F)-8°C (18°F)-10°C (14°F)-10°C (14°F)-12°C (11°F)-11°C (13°F)
Wind
Speed48km/h (30mph)41km/h (26mph)45km/h (28mph)45km/h (28mph)50km/h (31mph)50km/h (31mph)54km/h (33mph)51km/h (32mph)
Gusts51km/h (32mph)58km/h (36mph)62km/h (39mph)59km/h (37mph)55km/h (34mph)68km/h (42mph)55km/h (34mph)68km/h (43mph)
Direction 279°
W
271°
W
265°
W
265°
W
267°
W
268°
W
260°
W
257°
WSW
Wind chill-11°C (13°F)-10°C (14°F)-12°C (11°F)-12°C (10°F)-14°C (6°F)-16°C (3°F)-18°C (-1°F)-17°C (2°F)
Waves
Height3.5m (11.6ft)3.1m (10.1ft)2.8m (9.3ft)2.7m (8.8ft)2.5m (8.1ft)2.3m (7.4ft)2.1m (7.1ft)1.9m (6.4ft)
Direction 50°
NE
49°
NE
47°
NE

N

N
320°
NW
297°
WNW
315°
NW
Period11.3 sec.11.2 sec.12.8 sec.12.3 sec.11.5 sec.11.7 sec.14.3 sec.14.3 sec.
Significant height1.9m (6.2ft)1.7m (5.6ft)1.9m (6.2ft)2.4m (7.9ft)2.2m (7.2ft)2.1m (6.9ft)2.1m (6.9ft)1.7m (5.6ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:56 and will set at 15:48 on the beach(es) of Monbetsu. The outside temperature will be a high of 27°F t and a low of 20°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 27.3mph km/h (with gusts up to 36.7mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-6°C (21°F)-6°C (22°F)-5°C (22°F)-4°C (25°F)-3°C (26°F)-4°C (25°F)-6°C (21°F)-7°C (20°F)
Perceived temperature-16°C (4°F)-15°C (4°F)-15°C (6°F)-13°C (9°F)-11°C (12°F)-11°C (12°F)-13°C (8°F)-13°C (8°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%69%70%70%66%69%73%77%
Barometric pressure1007 hPa1007 hPa1009 hPa1011 hPa1011 hPa1012 hPa1014 hPa1014 hPa
Cloud cover86%51%70%73%77%74%73%72%
Heat index-6°C (21°F)-6°C (22°F)-5°C (22°F)-4°C (25°F)-3°C (26°F)-4°C (25°F)-6°C (21°F)-7°C (20°F)
Dew point-11°C (13°F)-10°C (13°F)-10°C (14°F)-9°C (16°F)-9°C (16°F)-9°C (17°F)-10°C (14°F)-10°C (14°F)
Wind
Speed44km/h (28mph)44km/h (27mph)42km/h (26mph)40km/h (25mph)35km/h (21mph)28km/h (17mph)24km/h (15mph)19km/h (12mph)
Gusts59km/h (37mph)58km/h (36mph)57km/h (35mph)52km/h (33mph)48km/h (30mph)42km/h (26mph)28km/h (18mph)36km/h (22mph)
Direction 258°
WSW
258°
WSW
259°
W
259°
WSW
261°
W
251°
WSW
235°
SW
232°
SW
Wind chill-16°C (4°F)-15°C (4°F)-15°C (6°F)-13°C (9°F)-11°C (12°F)-11°C (12°F)-13°C (8°F)-13°C (8°F)
Waves
Height1.8m (5.8ft)1.7m (5.7ft)1.7m (5.7ft)1.8m (5.9ft)1.7m (5.5ft)1.6m (5.2ft)1.4m (4.6ft)1.3m (4.2ft)
Direction 317°
NW
317°
NW
297°
WNW
294°
WNW
292°
WNW
292°
WNW
279°
W
21°
NNE
Period14.2 sec.13.6 sec.12.7 sec.12.9 sec.6.9 sec.11.9 sec.11.9 sec.12.0 sec.
Significant height1.6m (5.2ft)1.5m (4.9ft)1.7m (5.6ft)1.9m (6.2ft)1.8m (5.9ft)1.6m (5.2ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:57 and will set at 15:48 on the beach(es) of Monbetsu. The outside temperature will be a high of 29°F t and a low of 22°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 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-6°C (21°F)-5°C (22°F)-6°C (21°F)-4°C (25°F)-2°C (29°F)-2°C (29°F)-4°C (25°F)-4°C (24°F)
Perceived temperature-13°C (9°F)-12°C (10°F)-13°C (9°F)-10°C (14°F)-8°C (18°F)-8°C (17°F)-11°C (13°F)-11°C (13°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%78%79%77%70%69%75%78%
Barometric pressure1015 hPa1016 hPa1018 hPa1020 hPa1019 hPa1021 hPa1022 hPa1023 hPa
Cloud cover100%75%42%17%63%87%14%78%
Heat index-6°C (21°F)-5°C (22°F)-6°C (21°F)-4°C (25°F)-2°C (29°F)-2°C (29°F)-4°C (25°F)-4°C (24°F)
Dew point-9°C (16°F)-9°C (16°F)-9°C (16°F)-7°C (19°F)-6°C (21°F)-7°C (20°F)-8°C (18°F)-8°C (18°F)
Wind
Speed21km/h (13mph)22km/h (14mph)21km/h (13mph)19km/h (12mph)22km/h (14mph)26km/h (16mph)22km/h (14mph)19km/h (12mph)
Gusts34km/h (21mph)36km/h (22mph)37km/h (23mph)27km/h (17mph)31km/h (19mph)40km/h (25mph)23km/h (14mph)36km/h (22mph)
Direction 231°
SW
258°
WSW
259°
W
272°
W
265°
W
279°
W
259°
WSW
249°
WSW
Wind chill-13°C (9°F)-12°C (10°F)-13°C (9°F)-10°C (14°F)-8°C (18°F)-8°C (17°F)-11°C (13°F)-11°C (13°F)
Waves
Height1.2m (3.9ft)1.1m (3.6ft)1.0m (3.4ft)1.0m (3.2ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.1ft)0.9m (2.9ft)
Direction 22°
NNE
21°
NNE
20°
NNE
21°
NNE
22°
NNE
20°
NNE
21°
NNE
24°
NNE
Period12.6 sec.12.8 sec.12.3 sec.11.9 sec.11.6 sec.11.3 sec.11.2 sec.11.4 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:58 and will set at 15:49 on the beach(es) of Monbetsu. The outside temperature will be a high of 34°F t and a low of 23°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 14.3mph km/h (with gusts up to 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-4°C (25°F)-5°C (24°F)-5°C (23°F)-4°C (25°F)-1°C (31°F)-0°C (31°F)-0°C (31°F)1°C (33°F)
Perceived temperature-10°C (13°F)-11°C (13°F)-11°C (13°F)-8°C (17°F)-5°C (24°F)-5°C (23°F)-5°C (22°F)-3°C (26°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%79%80%76%68%76%81%80%
Barometric pressure1025 hPa1026 hPa1027 hPa1028 hPa1026 hPa1025 hPa1024 hPa1023 hPa
Cloud cover16%20%0%15%47%50%100%100%
Heat index-4°C (25°F)-5°C (24°F)-5°C (23°F)-4°C (25°F)-1°C (31°F)-0°C (31°F)-0°C (31°F)1°C (33°F)
Dew point-7°C (19°F)-8°C (18°F)-8°C (18°F)-7°C (19°F)-6°C (22°F)-4°C (25°F)-3°C (26°F)-2°C (28°F)
Wind
Speed23km/h (14mph)19km/h (12mph)15km/h (9mph)12km/h (8mph)12km/h (8mph)15km/h (9mph)18km/h (11mph)14km/h (9mph)
Gusts41km/h (25mph)37km/h (23mph)31km/h (19mph)20km/h (13mph)18km/h (11mph)26km/h (16mph)34km/h (21mph)29km/h (18mph)
Direction 268°
W
266°
W
236°
WSW
206°
SSW
160°
SSE
148°
SSE
168°
SSE
176°
S
Wind chill-10°C (13°F)-11°C (13°F)-11°C (13°F)-8°C (17°F)-5°C (24°F)-5°C (23°F)-5°C (22°F)-3°C (26°F)
Waves
Height0.8m (2.7ft)0.7m (2.4ft)0.7m (2.2ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.7ft)
Direction 22°
NNE
24°
NNE
23°
NNE
21°
NNE
24°
NNE
23°
NNE
24°
NNE
30°
NNE
Period11.4 sec.11.7 sec.12.0 sec.11.9 sec.11.6 sec.11.1 sec.10.9 sec.10.5 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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