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
Sunday 14 December 202531°F to 36°Fnot recommended
Monday 15 December 202525°F to 40°Fnot recommended
Tuesday 16 December 202523°F to 32°Fnot recommended
Wednesday 17 December 202523°F to 27°Fnot recommended
Thursday 18 December 202522°F to 31°Fnot recommended
Friday 19 December 202527°F to 45°Fdiscouraged
Saturday 20 December 202540°F to 45°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Tomakomai

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 36°F t and a low of 31°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 29.8mph km/h (with gusts up to 41mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-1°C (30°F)-1°C (31°F)0°C (32°F)2°C (35°F)1°C (35°F)-0°C (32°F)0°C (32°F)1°C (33°F)
Perceived temperature-3°C (26°F)-1°C (31°F)-4°C (26°F)-3°C (26°F)-4°C (24°F)-7°C (20°F)-7°C (19°F)-7°C (19°F)
Precipitation0in0in0in0in0in0.1in0.1in0.1in
Humidity66%67%79%80%91%96%93%94%
Barometric pressure1021 hPa1020 hPa1019 hPa1016 hPa1012 hPa1008 hPa1002 hPa996 hPa
Cloud cover44%58%100%100%100%100%100%100%
Heat index-1°C (30°F)-1°C (31°F)0°C (32°F)2°C (35°F)1°C (35°F)-0°C (32°F)0°C (32°F)1°C (33°F)
Dew point-7°C (20°F)-6°C (21°F)-3°C (26°F)-1°C (29°F)0°C (32°F)-1°C (31°F)-1°C (30°F)-0°C (32°F)
Wind
Speed6km/h (4mph)2km/h (1mph)11km/h (7mph)23km/h (14mph)26km/h (16mph)28km/h (17mph)37km/h (23mph)48km/h (30mph)
Gusts11km/h (7mph)4km/h (2mph)18km/h (11mph)31km/h (19mph)35km/h (21mph)39km/h (24mph)53km/h (33mph)66km/h (41mph)
Direction 256°
WSW
85°
E
126°
SE
106°
ESE
91°
E
36°
NE
16°
NNE

N
Wind chill-3°C (26°F)-1°C (31°F)-4°C (26°F)-3°C (26°F)-4°C (24°F)-7°C (20°F)-7°C (19°F)-7°C (19°F)
Waves
Height0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.4m (1.3ft)1.1m (3.5ft)1.5m (5.0ft)1.7m (5.5ft)1.9m (6.3ft)
Direction 125°
SE
125°
SE
125°
SE
125°
SE
130°
SE
132°
SE
137°
SE
139°
SE
Period12.1 sec.12.1 sec.12.1 sec.12.0 sec.11.9 sec.11.5 sec.6.8 sec.8.0 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.7m (2.3ft)1.2m (3.9ft)1.4m (4.6ft)1.2m (3.9ft)1.9m (6.2ft)
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 40°F t and a low of 25°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 34.2mph km/h (with gusts up to 39.2mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (35°F)2°C (36°F)3°C (37°F)3°C (38°F)3°C (38°F)1°C (34°F)-2°C (29°F)-3°C (28°F)
Perceived temperature-6°C (21°F)-5°C (22°F)-4°C (24°F)-4°C (26°F)-3°C (27°F)-5°C (23°F)-8°C (17°F)-8°C (17°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity91%85%82%80%82%70%69%72%
Barometric pressure993 hPa993 hPa996 hPa1001 hPa1003 hPa1007 hPa1012 hPa1014 hPa
Cloud cover98%65%82%81%75%71%31%4%
Heat index1°C (35°F)2°C (36°F)3°C (37°F)3°C (38°F)3°C (38°F)1°C (34°F)-2°C (29°F)-3°C (28°F)
Dew point0°C (32°F)-0°C (32°F)0°C (32°F)0°C (32°F)0°C (33°F)-3°C (26°F)-7°C (20°F)-7°C (20°F)
Wind
Speed46km/h (29mph)54km/h (33mph)55km/h (34mph)45km/h (28mph)36km/h (22mph)34km/h (21mph)24km/h (15mph)19km/h (12mph)
Gusts62km/h (38mph)57km/h (36mph)55km/h (34mph)63km/h (39mph)52km/h (32mph)51km/h (31mph)42km/h (26mph)34km/h (21mph)
Direction 348°
NNW
346°
NNW
329°
NNW
331°
NNW
317°
NW
308°
NW
305°
NW
284°
WNW
Wind chill-6°C (21°F)-5°C (22°F)-4°C (24°F)-4°C (26°F)-3°C (27°F)-5°C (23°F)-8°C (17°F)-8°C (17°F)
Waves
Height2.2m (7.3ft)2.3m (7.5ft)2.2m (7.1ft)2.1m (6.8ft)1.8m (5.8ft)1.5m (5.1ft)1.3m (4.2ft)1.0m (3.3ft)
Direction 136°
SE
142°
SE
144°
SE
150°
SSE
153°
SSE
157°
SSE
158°
SSE
158°
SSE
Period9.4 sec.10.0 sec.10.6 sec.11.0 sec.11.0 sec.11.2 sec.11.2 sec.11.2 sec.
Significant height1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.3m (4.3ft)1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)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 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 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 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-2°C (29°F)-2°C (29°F)-2°C (29°F)-0°C (32°F)0°C (33°F)-1°C (30°F)-4°C (25°F)-5°C (23°F)
Perceived temperature-8°C (17°F)-8°C (18°F)-8°C (17°F)-6°C (21°F)-6°C (21°F)-8°C (18°F)-12°C (11°F)-12°C (10°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%76%76%66%69%76%77%
Barometric pressure1014 hPa1013 hPa1014 hPa1014 hPa1012 hPa1013 hPa1014 hPa1015 hPa
Cloud cover14%34%24%40%79%65%85%89%
Heat index-2°C (29°F)-2°C (29°F)-2°C (29°F)-0°C (32°F)0°C (33°F)-1°C (30°F)-4°C (25°F)-5°C (23°F)
Dew point-6°C (22°F)-6°C (21°F)-5°C (22°F)-4°C (25°F)-5°C (23°F)-6°C (21°F)-8°C (19°F)-8°C (17°F)
Wind
Speed24km/h (15mph)21km/h (13mph)26km/h (16mph)23km/h (15mph)30km/h (18mph)26km/h (16mph)28km/h (18mph)25km/h (16mph)
Gusts26km/h (16mph)23km/h (14mph)29km/h (18mph)32km/h (20mph)38km/h (24mph)37km/h (23mph)43km/h (26mph)39km/h (24mph)
Direction 287°
WNW
286°
WNW
288°
WNW
288°
WNW
287°
WNW
287°
WNW
281°
W
279°
W
Wind chill-8°C (17°F)-8°C (18°F)-8°C (17°F)-6°C (21°F)-6°C (21°F)-8°C (18°F)-12°C (11°F)-12°C (10°F)
Waves
Height0.9m (3.1ft)0.9m (2.9ft)0.8m (2.7ft)0.7m (2.3ft)0.7m (2.4ft)0.8m (2.6ft)1.0m (3.4ft)1.0m (3.1ft)
Direction 158°
SSE
157°
SSE
155°
SSE
151°
SSE
146°
SE
146°
SSE
252°
WSW
248°
WSW
Period11.1 sec.11.1 sec.11.0 sec.10.7 sec.10.0 sec.11.7 sec.11.1 sec.10.6 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.1m (3.6ft)0.8m (2.6ft)0.9m (3ft)1.2m (3.9ft)1.6m (5.2ft)1.2m (3.9ft)
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 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 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 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 (25°F)-3°C (27°F)-3°C (26°F)-5°C (23°F)-5°C (24°F)
Perceived temperature-13°C (9°F)-13°C (9°F)-13°C (9°F)-12°C (11°F)-10°C (13°F)-11°C (13°F)-12°C (10°F)-12°C (11°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%75%74%71%66%68%73%73%
Barometric pressure1015 hPa1016 hPa1016 hPa1018 hPa1016 hPa1017 hPa1018 hPa1019 hPa
Cloud cover96%86%70%75%77%75%65%62%
Heat index-5°C (23°F)-5°C (23°F)-5°C (23°F)-4°C (25°F)-3°C (27°F)-3°C (26°F)-5°C (23°F)-5°C (24°F)
Dew point-9°C (17°F)-9°C (17°F)-9°C (16°F)-9°C (17°F)-8°C (17°F)-8°C (17°F)-9°C (16°F)-9°C (16°F)
Wind
Speed28km/h (18mph)30km/h (19mph)29km/h (18mph)28km/h (17mph)30km/h (18mph)27km/h (17mph)28km/h (17mph)25km/h (15mph)
Gusts40km/h (25mph)39km/h (24mph)41km/h (25mph)35km/h (22mph)38km/h (23mph)38km/h (23mph)43km/h (27mph)38km/h (24mph)
Direction 278°
W
276°
W
279°
W
275°
W
274°
W
276°
W
277°
W
273°
W
Wind chill-13°C (9°F)-13°C (9°F)-13°C (9°F)-12°C (11°F)-10°C (13°F)-11°C (13°F)-12°C (10°F)-12°C (11°F)
Waves
Height0.9m (2.9ft)0.9m (2.9ft)0.8m (2.6ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.5ft)0.7m (2.3ft)
Direction 259°
WSW
256°
WSW
269°
W
150°
SSE
149°
SSE
160°
SSE
233°
SW
242°
WSW
Period9.8 sec.10.9 sec.4.6 sec.4.5 sec.4.2 sec.8.3 sec.8.3 sec.8.1 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)1.0m (3.3ft)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 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 31°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 18mph km/h (with gusts up to 27.3mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-4°C (24°F)-5°C (24°F)-6°C (22°F)-4°C (26°F)-1°C (29°F)-1°C (30°F)-4°C (25°F)-3°C (26°F)
Perceived temperature-12°C (11°F)-12°C (10°F)-12°C (10°F)-9°C (16°F)-6°C (21°F)-6°C (22°F)-10°C (15°F)-8°C (18°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%74%77%72%62%68%73%76%
Barometric pressure1019 hPa1020 hPa1022 hPa1025 hPa1024 hPa1024 hPa1026 hPa1026 hPa
Cloud cover47%66%20%0%27%100%16%79%
Heat index-4°C (24°F)-5°C (24°F)-6°C (22°F)-4°C (26°F)-1°C (29°F)-1°C (30°F)-4°C (25°F)-3°C (26°F)
Dew point-8°C (17°F)-8°C (17°F)-9°C (16°F)-8°C (18°F)-8°C (18°F)-6°C (21°F)-8°C (17°F)-7°C (20°F)
Wind
Speed28km/h (17mph)29km/h (18mph)21km/h (13mph)15km/h (9mph)15km/h (10mph)14km/h (9mph)15km/h (9mph)11km/h (7mph)
Gusts41km/h (26mph)44km/h (27mph)36km/h (22mph)21km/h (13mph)21km/h (13mph)22km/h (14mph)32km/h (20mph)23km/h (14mph)
Direction 275°
W
282°
WNW
287°
WNW
283°
WNW
275°
W
267°
W
277°
W
287°
WNW
Wind chill-12°C (11°F)-12°C (10°F)-12°C (10°F)-9°C (16°F)-6°C (21°F)-6°C (22°F)-10°C (15°F)-8°C (18°F)
Waves
Height0.6m (1.8ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 239°
WSW
249°
WSW
250°
WSW
156°
SSE
131°
SE
124°
SE
124°
ESE
125°
SE
Period4.0 sec.5.1 sec.3.8 sec.3.5 sec.3.5 sec.4.5 sec.4.5 sec.4.1 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)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 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 45°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! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 26.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-3°C (27°F)-0°C (31°F)1°C (34°F)3°C (38°F)5°C (40°F)6°C (42°F)6°C (43°F)7°C (44°F)
Perceived temperature-7°C (20°F)-5°C (23°F)-3°C (26°F)-0°C (32°F)0°C (33°F)1°C (34°F)2°C (36°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%80%81%86%90%85%84%86%
Barometric pressure1025 hPa1025 hPa1025 hPa1026 hPa1025 hPa1024 hPa1023 hPa1023 hPa
Cloud cover33%16%17%70%100%100%100%95%
Heat index-3°C (27°F)-0°C (31°F)1°C (34°F)3°C (38°F)5°C (40°F)6°C (42°F)6°C (43°F)7°C (44°F)
Dew point-5°C (22°F)-3°C (26°F)-2°C (28°F)1°C (34°F)3°C (38°F)3°C (38°F)4°C (39°F)4°C (40°F)
Wind
Speed9km/h (6mph)16km/h (10mph)15km/h (9mph)14km/h (9mph)22km/h (13mph)26km/h (16mph)24km/h (15mph)24km/h (15mph)
Gusts19km/h (12mph)32km/h (20mph)30km/h (19mph)22km/h (14mph)36km/h (22mph)42km/h (26mph)24km/h (15mph)25km/h (15mph)
Direction 282°
WNW
249°
WSW
236°
WSW
213°
SSW
209°
SSW
196°
SSW
187°
S
200°
SSW
Wind chill-7°C (20°F)-5°C (23°F)-3°C (26°F)-0°C (32°F)0°C (33°F)1°C (34°F)2°C (36°F)3°C (37°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.4ft)0.6m (2.1ft)
Direction 127°
SE
129°
SE
132°
SE
144°
SE
145°
SE
146°
SE
201°
SSW
195°
SSW
Period4.1 sec.3.5 sec.3.3 sec.10.0 sec.10.0 sec.10.2 sec.10.3 sec.10.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)
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 Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:00 and will set at 16:02 on the beach(es) of Tomakomai. The outside temperature will be a high of 45°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 15.5mph km/h (with gusts up to 26.1mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (44°F)7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)6°C (42°F)4°C (39°F)4°C (40°F)
Perceived temperature3°C (37°F)3°C (38°F)4°C (40°F)5°C (40°F)5°C (40°F)4°C (40°F)3°C (37°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%91%94%92%90%92%95%94%
Barometric pressure1022 hPa1021 hPa1021 hPa1022 hPa1020 hPa1020 hPa1020 hPa1021 hPa
Cloud cover39%100%63%9%5%18%22%11%
Heat index6°C (44°F)7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)6°C (42°F)4°C (39°F)4°C (40°F)
Dew point4°C (40°F)6°C (42°F)6°C (43°F)5°C (41°F)5°C (41°F)4°C (40°F)3°C (38°F)3°C (38°F)
Wind
Speed23km/h (14mph)25km/h (16mph)15km/h (9mph)10km/h (6mph)9km/h (6mph)6km/h (4mph)5km/h (3mph)8km/h (5mph)
Gusts29km/h (18mph)42km/h (26mph)29km/h (18mph)19km/h (12mph)18km/h (11mph)13km/h (8mph)11km/h (7mph)16km/h (10mph)
Direction 199°
SSW
193°
SSW
213°
SSW
219°
SW
190°
S
223°
SW
233°
SW
253°
WSW
Wind chill3°C (37°F)3°C (38°F)4°C (40°F)5°C (40°F)5°C (40°F)4°C (40°F)3°C (37°F)2°C (36°F)
Waves
Height0.8m (2.7ft)0.9m (2.9ft)0.9m (3.1ft)0.9m (3.1ft)0.8m (2.8ft)0.7m (2.4ft)0.6m (2.0ft)0.5m (1.7ft)
Direction 189°
S
188°
S
189°
S
189°
S
180°
S
170°
S
164°
SSE
159°
SSE
Period10.5 sec.10.6 sec.10.7 sec.10.7 sec.5.3 sec.5.3 sec.5.3 sec.5.5 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)1.2m (3.9ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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