Sea weather in Tomakomai in Japan All the beach weather in Tomakomai

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

Discover the best moment to go to the beach in Tomakomai in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Tomakomai. 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 202522°F to 32°Fnot recommended
Sunday 14 December 202531°F to 38°Fnot recommended
Monday 15 December 202529°F to 38°Fnot recommended
Tuesday 16 December 202523°F to 31°Fnot recommended
Wednesday 17 December 202523°F to 27°Fnot recommended
Thursday 18 December 202523°F to 32°Fnot recommended
Friday 19 December 202525°F to 40°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Tomakomai

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 06:55 and will set at 16:00 on the beach(es) of Tomakomai. The outside temperature will be a high of 32°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 13.7mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-5°C (24°F)-5°C (23°F)-5°C (22°F)-3°C (26°F)-1°C (29°F)-1°C (31°F)-3°C (26°F)-2°C (28°F)
Perceived temperature-12°C (11°F)-11°C (12°F)-12°C (11°F)-9°C (17°F)-6°C (21°F)-6°C (22°F)-8°C (18°F)-5°C (22°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%70%71%64%59%65%71%70%
Barometric pressure1023 hPa1024 hPa1024 hPa1025 hPa1024 hPa1023 hPa1023 hPa1022 hPa
Cloud cover65%70%88%13%82%57%35%81%
Heat index-5°C (24°F)-5°C (23°F)-5°C (22°F)-3°C (26°F)-1°C (29°F)-1°C (31°F)-3°C (26°F)-2°C (28°F)
Dew point-9°C (16°F)-9°C (15°F)-10°C (14°F)-9°C (16°F)-8°C (17°F)-6°C (21°F)-8°C (18°F)-7°C (20°F)
Wind
Speed22km/h (14mph)19km/h (12mph)19km/h (12mph)15km/h (10mph)15km/h (9mph)17km/h (11mph)13km/h (8mph)9km/h (5mph)
Gusts29km/h (18mph)28km/h (17mph)32km/h (20mph)21km/h (13mph)20km/h (13mph)26km/h (16mph)27km/h (17mph)17km/h (11mph)
Direction 294°
WNW
300°
WNW
289°
WNW
281°
W
296°
WNW
284°
WNW
286°
WNW
281°
W
Wind chill-12°C (11°F)-11°C (12°F)-12°C (11°F)-9°C (17°F)-6°C (21°F)-6°C (22°F)-8°C (18°F)-5°C (22°F)
Waves
Height0.5m (1.7ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 129°
SE
129°
SE
129°
SE
124°
SE
124°
ESE
124°
ESE
125°
SE
125°
SE
Period12.1 sec.11.9 sec.11.7 sec.11.4 sec.11.3 sec.11.5 sec.12.0 sec.12.1 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)
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 Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:56 and will set at 16:00 on the beach(es) of Tomakomai. The outside temperature will be a high of 38°F t and a low of 31°F. Precipitation is in the forecast (0.2in 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 24.9mph km/h (with gusts up to 35.4mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-1°C (29°F)-0°C (32°F)-1°C (31°F)2°C (35°F)3°C (37°F)2°C (35°F)1°C (33°F)1°C (34°F)
Perceived temperature-5°C (23°F)-2°C (29°F)-3°C (27°F)-3°C (27°F)-3°C (27°F)-4°C (25°F)-6°C (22°F)-6°C (21°F)
Precipitation0in0in0in0in0in0in0.1in0.1in
Humidity70%67%73%77%92%90%91%93%
Barometric pressure1021 hPa1020 hPa1018 hPa1016 hPa1010 hPa1006 hPa1001 hPa994 hPa
Cloud cover28%87%57%100%100%98%93%100%
Heat index-1°C (29°F)-0°C (32°F)-1°C (31°F)2°C (35°F)3°C (37°F)2°C (35°F)1°C (33°F)1°C (34°F)
Dew point-6°C (21°F)-6°C (22°F)-5°C (23°F)-2°C (29°F)2°C (35°F)0°C (33°F)-1°C (31°F)0°C (32°F)
Wind
Speed10km/h (6mph)5km/h (3mph)6km/h (4mph)17km/h (10mph)29km/h (18mph)29km/h (18mph)31km/h (19mph)40km/h (25mph)
Gusts20km/h (12mph)8km/h (5mph)12km/h (8mph)24km/h (15mph)41km/h (26mph)42km/h (26mph)47km/h (29mph)57km/h (35mph)
Direction 261°
W
227°
SW
76°
ENE
109°
ESE
110°
ESE
66°
ENE
16°
NNE
352°
N
Wind chill-5°C (23°F)-2°C (29°F)-3°C (27°F)-3°C (27°F)-3°C (27°F)-4°C (25°F)-6°C (22°F)-6°C (21°F)
Waves
Height0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (1.0ft)0.9m (3.0ft)1.0m (3.4ft)1.1m (3.6ft)
Direction 125°
SE
125°
SE
125°
SE
125°
SE
125°
SE
124°
SE
126°
SE
130°
SE
Period12.1 sec.3.5 sec.12.1 sec.12.0 sec.11.9 sec.11.7 sec.5.2 sec.6.0 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)1.2m (3.9ft)0.8m (2.6ft)1.6m (5.2ft)
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 Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:56 and will set at 16:01 on the beach(es) of Tomakomai. The outside temperature will be a high of 38°F t and a low of 29°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 27.3mph km/h (with gusts up to 37.9mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)2°C (36°F)3°C (38°F)3°C (38°F)3°C (37°F)2°C (36°F)-2°C (29°F)-1°C (29°F)
Perceived temperature-5°C (23°F)-4°C (24°F)-3°C (26°F)-3°C (26°F)-3°C (26°F)-4°C (25°F)-8°C (17°F)-7°C (19°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%89%84%87%83%73%70%72%
Barometric pressure989 hPa989 hPa992 hPa997 hPa1001 hPa1005 hPa1010 hPa1012 hPa
Cloud cover100%73%57%56%58%66%14%42%
Heat index2°C (35°F)2°C (36°F)3°C (38°F)3°C (38°F)3°C (37°F)2°C (36°F)-2°C (29°F)-1°C (29°F)
Dew point1°C (33°F)1°C (33°F)1°C (34°F)1°C (34°F)0°C (33°F)-2°C (28°F)-6°C (21°F)-6°C (22°F)
Wind
Speed43km/h (27mph)37km/h (23mph)44km/h (28mph)43km/h (27mph)39km/h (24mph)32km/h (20mph)25km/h (15mph)23km/h (14mph)
Gusts59km/h (37mph)50km/h (31mph)61km/h (38mph)60km/h (37mph)55km/h (34mph)46km/h (28mph)28km/h (17mph)38km/h (23mph)
Direction 354°
N
336°
NNW
323°
NW
328°
NNW
319°
NW
307°
NW
294°
WNW
287°
WNW
Wind chill-5°C (23°F)-4°C (24°F)-3°C (26°F)-3°C (26°F)-3°C (26°F)-4°C (25°F)-8°C (17°F)-7°C (19°F)
Waves
Height1.1m (3.7ft)1.1m (3.6ft)1.7m (5.5ft)2.0m (6.5ft)1.7m (5.6ft)1.5m (4.9ft)1.4m (4.5ft)1.2m (3.9ft)
Direction 132°
SE
135°
SE
150°
SSE
156°
SSE
152°
SSE
153°
SSE
155°
SSE
158°
SSE
Period6.8 sec.8.0 sec.11.9 sec.11.6 sec.11.1 sec.10.9 sec.11.2 sec.11.5 sec.
Significant height1.5m (4.9ft)1.4m (4.6ft)1.1m (3.6ft)0.7m (2.3ft)1.1m (3.6ft)0.8m (2.6ft)0.9m (3ft)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 Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:57 and will set at 16:01 on the beach(es) of Tomakomai. The outside temperature will be a high of 31°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 24.2mph km/h (with gusts up to 32.9mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-1°C (29°F)-2°C (29°F)-2°C (28°F)-1°C (30°F)-1°C (30°F)-4°C (25°F)-5°C (23°F)-5°C (23°F)
Perceived temperature-8°C (17°F)-8°C (17°F)-9°C (16°F)-8°C (18°F)-8°C (17°F)-12°C (10°F)-14°C (7°F)-13°C (9°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%75%77%68%66%68%72%76%
Barometric pressure1012 hPa1012 hPa1012 hPa1013 hPa1011 hPa1013 hPa1014 hPa1014 hPa
Cloud cover34%18%46%18%74%42%88%100%
Heat index-1°C (29°F)-2°C (29°F)-2°C (28°F)-1°C (30°F)-1°C (30°F)-4°C (25°F)-5°C (23°F)-5°C (23°F)
Dew point-5°C (23°F)-6°C (22°F)-6°C (22°F)-6°C (21°F)-7°C (20°F)-9°C (16°F)-9°C (15°F)-9°C (17°F)
Wind
Speed29km/h (18mph)25km/h (15mph)24km/h (15mph)28km/h (17mph)34km/h (21mph)39km/h (24mph)36km/h (22mph)30km/h (19mph)
Gusts36km/h (22mph)25km/h (16mph)26km/h (16mph)36km/h (23mph)43km/h (27mph)53km/h (33mph)50km/h (31mph)40km/h (25mph)
Direction 286°
WNW
288°
WNW
290°
WNW
283°
WNW
274°
W
278°
W
273°
W
278°
W
Wind chill-8°C (17°F)-8°C (17°F)-9°C (16°F)-8°C (18°F)-8°C (17°F)-12°C (10°F)-14°C (7°F)-13°C (9°F)
Waves
Height1.1m (3.5ft)0.9m (2.9ft)0.7m (2.4ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.5m (1.8ft)0.5m (1.8ft)
Direction 160°
SSE
159°
SSE
157°
SSE
154°
SSE
153°
SSE
152°
SSE
150°
SSE
147°
SSE
Period11.2 sec.11.1 sec.11.1 sec.10.9 sec.10.3 sec.10.2 sec.10.1 sec.9.8 sec.
Significant height1.5m (4.9ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.7m (2.3ft)0.6m (2ft)0.9m (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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:58 and will set at 16:01 on the beach(es) of Tomakomai. The outside temperature will be a high of 27°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 22.4mph km/h (with gusts up to 28.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-5°C (23°F)-5°C (23°F)-5°C (23°F)-4°C (24°F)-3°C (27°F)-3°C (26°F)-5°C (24°F)-4°C (24°F)
Perceived temperature-13°C (8°F)-13°C (8°F)-13°C (8°F)-12°C (11°F)-10°C (14°F)-11°C (13°F)-12°C (10°F)-12°C (11°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%74%73%70%66%68%71%71%
Barometric pressure1014 hPa1015 hPa1015 hPa1017 hPa1016 hPa1016 hPa1017 hPa1018 hPa
Cloud cover100%69%88%60%100%78%51%77%
Heat index-5°C (23°F)-5°C (23°F)-5°C (23°F)-4°C (24°F)-3°C (27°F)-3°C (26°F)-5°C (24°F)-4°C (24°F)
Dew point-9°C (16°F)-9°C (16°F)-9°C (16°F)-9°C (16°F)-8°C (17°F)-9°C (17°F)-9°C (16°F)-9°C (16°F)
Wind
Speed32km/h (20mph)36km/h (22mph)31km/h (19mph)30km/h (18mph)29km/h (18mph)27km/h (17mph)26km/h (16mph)26km/h (16mph)
Gusts44km/h (27mph)46km/h (28mph)42km/h (26mph)37km/h (23mph)36km/h (22mph)38km/h (23mph)41km/h (25mph)38km/h (23mph)
Direction 275°
W
274°
W
277°
W
277°
W
277°
W
271°
W
268°
W
272°
W
Wind chill-13°C (8°F)-13°C (8°F)-13°C (8°F)-12°C (11°F)-10°C (14°F)-11°C (13°F)-12°C (10°F)-12°C (11°F)
Waves
Height0.6m (1.9ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.2ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 151°
SSE
150°
SSE
149°
SSE
149°
SSE
157°
SSE
156°
SSE
154°
SSE
151°
SSE
Period9.4 sec.9.3 sec.9.2 sec.8.9 sec.8.4 sec.8.2 sec.8.2 sec.8.2 sec.
Significant height0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:58 and will set at 16:02 on the beach(es) of Tomakomai. The outside temperature will be a high of 32°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 16.8mph km/h (with gusts up to 26.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-5°C (24°F)-5°C (23°F)-5°C (23°F)-3°C (27°F)-0°C (31°F)-1°C (31°F)-3°C (26°F)-3°C (26°F)
Perceived temperature-12°C (11°F)-12°C (11°F)-11°C (13°F)-8°C (18°F)-5°C (23°F)-5°C (22°F)-8°C (17°F)-9°C (15°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%77%77%73%64%71%72%74%
Barometric pressure1018 hPa1019 hPa1021 hPa1023 hPa1022 hPa1023 hPa1025 hPa1026 hPa
Cloud cover55%10%4%2%97%42%31%46%
Heat index-5°C (24°F)-5°C (23°F)-5°C (23°F)-3°C (27°F)-0°C (31°F)-1°C (31°F)-3°C (26°F)-3°C (26°F)
Dew point-9°C (16°F)-9°C (17°F)-9°C (17°F)-7°C (20°F)-6°C (21°F)-5°C (22°F)-8°C (19°F)-7°C (19°F)
Wind
Speed27km/h (17mph)20km/h (12mph)15km/h (9mph)15km/h (9mph)15km/h (9mph)15km/h (9mph)14km/h (9mph)19km/h (12mph)
Gusts42km/h (26mph)36km/h (22mph)29km/h (18mph)21km/h (13mph)20km/h (12mph)23km/h (14mph)29km/h (18mph)22km/h (14mph)
Direction 273°
W
283°
WNW
286°
WNW
288°
WNW
288°
WNW
289°
WNW
286°
WNW
289°
WNW
Wind chill-12°C (11°F)-12°C (11°F)-11°C (13°F)-8°C (18°F)-5°C (23°F)-5°C (22°F)-8°C (17°F)-9°C (15°F)
Waves
Height0.4m (1.4ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)
Direction 148°
SSE
145°
SE
142°
SE
152°
SSE
149°
SSE
146°
SE
142°
SE
139°
SE
Period3.5 sec.7.7 sec.8.5 sec.8.8 sec.7.7 sec.7.3 sec.7.5 sec.8.1 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)
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 06:59 and will set at 16:02 on the beach(es) of Tomakomai. The outside temperature will be a high of 40°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 10.6mph km/h (with gusts up to 20.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-4°C (25°F)-4°C (24°F)-4°C (24°F)-1°C (29°F)1°C (34°F)2°C (36°F)2°C (36°F)4°C (39°F)
Perceived temperature-7°C (19°F)-7°C (20°F)-5°C (22°F)-1°C (29°F)-1°C (30°F)-1°C (31°F)-1°C (31°F)-0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%79%78%74%72%72%76%80%
Barometric pressure1027 hPa1028 hPa1029 hPa1030 hPa1028 hPa1027 hPa1028 hPa1027 hPa
Cloud cover3%0%3%7%26%41%42%59%
Heat index-4°C (25°F)-4°C (24°F)-4°C (24°F)-1°C (29°F)1°C (34°F)2°C (36°F)2°C (36°F)4°C (39°F)
Dew point-8°C (18°F)-7°C (19°F)-7°C (19°F)-5°C (22°F)-3°C (26°F)-2°C (28°F)-2°C (29°F)1°C (33°F)
Wind
Speed7km/h (4mph)5km/h (3mph)4km/h (2mph)3km/h (2mph)7km/h (4mph)11km/h (7mph)9km/h (6mph)17km/h (11mph)
Gusts14km/h (9mph)11km/h (7mph)7km/h (5mph)4km/h (2mph)11km/h (7mph)19km/h (12mph)19km/h (12mph)33km/h (20mph)
Direction 325°
NW

N
343°
NNW
131°
SE
192°
SSW
184°
S
202°
SSW
214°
SW
Wind chill-7°C (19°F)-7°C (20°F)-5°C (22°F)-1°C (29°F)-1°C (30°F)-1°C (31°F)-1°C (31°F)-0°C (32°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.3m (0.9ft)0.5m (1.6ft)0.6m (2.1ft)
Direction 137°
SE
133°
SE
144°
SE
146°
SSE
148°
SSE
148°
SSE
208°
SSW
190°
S
Period7.7 sec.7.9 sec.8.0 sec.8.1 sec.8.0 sec.7.9 sec.7.8 sec.7.7 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units