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
Monday 15 December 202525°F to 38°Fnot recommended
Tuesday 16 December 202522°F to 34°Fnot recommended
Wednesday 17 December 202522°F to 27°Fnot recommended
Thursday 18 December 202522°F to 32°Fnot recommended
Friday 19 December 202534°F to 40°Fnot recommended
Saturday 20 December 202538°F to 45°Fdiscouraged
Sunday 21 December 202540°F to 49°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Tomakomai

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 25°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 38.5mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature1°C (34°F)2°C (36°F)3°C (37°F)3°C (37°F)3°C (38°F)2°C (35°F)-1°C (30°F)-2°C (28°F)
Perceived temperature-6°C (21°F)-5°C (24°F)-4°C (24°F)-4°C (25°F)-3°C (27°F)-4°C (24°F)-8°C (18°F)-8°C (17°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%88%80%79%79%74%72%71%
Barometric pressure994 hPa993 hPa996 hPa1000 hPa1003 hPa1007 hPa1012 hPa1014 hPa
Cloud cover100%64%72%86%72%80%89%2%
Heat index1°C (34°F)2°C (36°F)3°C (37°F)3°C (37°F)3°C (38°F)2°C (35°F)-1°C (30°F)-2°C (28°F)
Dew point-0°C (32°F)0°C (33°F)-0°C (32°F)-0°C (32°F)0°C (32°F)-2°C (28°F)-6°C (22°F)-7°C (20°F)
Wind
Speed39km/h (24mph)45km/h (28mph)54km/h (34mph)46km/h (28mph)38km/h (23mph)32km/h (20mph)27km/h (17mph)21km/h (13mph)
Gusts52km/h (32mph)60km/h (37mph)61km/h (38mph)62km/h (39mph)54km/h (34mph)46km/h (29mph)28km/h (17mph)36km/h (22mph)
Direction 352°
N
339°
NNW
331°
NNW
333°
NNW
321°
NW
315°
NW
303°
WNW
294°
WNW
Wind chill-6°C (21°F)-5°C (24°F)-4°C (24°F)-4°C (25°F)-3°C (27°F)-4°C (24°F)-8°C (18°F)-8°C (17°F)
Waves
Height2.2m (7.3ft)2.1m (7.0ft)2.0m (6.5ft)2.0m (6.5ft)1.7m (5.7ft)1.5m (5.1ft)1.2m (3.9ft)1.0m (3.2ft)
Direction 135°
SE
136°
SE
142°
SE
150°
SSE
155°
SSE
157°
SSE
157°
SSE
158°
SSE
Period9.4 sec.9.8 sec.10.1 sec.10.7 sec.11.5 sec.11.2 sec.11.1 sec.11.1 sec.
Significant height1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)0.6m (2ft)1.4m (4.6ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°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 34°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 24.2mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-2°C (28°F)-2°C (29°F)-2°C (29°F)0°C (32°F)1°C (35°F)-0°C (31°F)-4°C (25°F)-5°C (23°F)
Perceived temperature-8°C (18°F)-7°C (19°F)-8°C (18°F)-5°C (23°F)-4°C (25°F)-7°C (20°F)-10°C (14°F)-12°C (11°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%73%79%75%73%71%75%77%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1012 hPa1013 hPa1015 hPa1016 hPa
Cloud cover11%14%58%29%76%78%53%56%
Heat index-2°C (28°F)-2°C (29°F)-2°C (29°F)0°C (32°F)1°C (35°F)-0°C (31°F)-4°C (25°F)-5°C (23°F)
Dew point-6°C (21°F)-6°C (21°F)-5°C (23°F)-4°C (25°F)-3°C (27°F)-5°C (23°F)-8°C (18°F)-8°C (17°F)
Wind
Speed18km/h (11mph)20km/h (12mph)21km/h (13mph)21km/h (13mph)24km/h (15mph)26km/h (16mph)20km/h (13mph)21km/h (13mph)
Gusts34km/h (21mph)21km/h (13mph)25km/h (15mph)29km/h (18mph)32km/h (20mph)39km/h (24mph)35km/h (21mph)33km/h (20mph)
Direction 288°
WNW
290°
WNW
282°
WNW
283°
WNW
288°
WNW
293°
WNW
303°
WNW
297°
WNW
Wind chill-8°C (18°F)-7°C (19°F)-8°C (18°F)-5°C (23°F)-4°C (25°F)-7°C (20°F)-10°C (14°F)-12°C (11°F)
Waves
Height0.9m (2.9ft)0.8m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.0ft)0.7m (2.4ft)
Direction 158°
SSE
156°
SSE
153°
SSE
149°
SSE
147°
SSE
148°
SSE
146°
SE
144°
SE
Period11.1 sec.11.0 sec.10.9 sec.11.8 sec.12.1 sec.11.4 sec.10.5 sec.11.2 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°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 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 19.9mph 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-6°C (22°F)-6°C (21°F)-6°C (22°F)-4°C (25°F)-3°C (26°F)-4°C (26°F)-5°C (24°F)-4°C (25°F)
Perceived temperature-14°C (8°F)-14°C (7°F)-13°C (8°F)-12°C (11°F)-11°C (13°F)-11°C (12°F)-12°C (10°F)-12°C (11°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%79%78%71%67%68%73%72%
Barometric pressure1017 hPa1017 hPa1017 hPa1018 hPa1016 hPa1017 hPa1018 hPa1018 hPa
Cloud cover82%92%92%65%66%69%77%53%
Heat index-6°C (22°F)-6°C (21°F)-6°C (22°F)-4°C (25°F)-3°C (26°F)-4°C (26°F)-5°C (24°F)-4°C (25°F)
Dew point-9°C (15°F)-9°C (16°F)-9°C (16°F)-8°C (17°F)-8°C (17°F)-9°C (17°F)-9°C (16°F)-8°C (17°F)
Wind
Speed26km/h (16mph)23km/h (15mph)26km/h (16mph)31km/h (19mph)32km/h (20mph)28km/h (18mph)28km/h (18mph)30km/h (19mph)
Gusts40km/h (25mph)37km/h (23mph)39km/h (24mph)38km/h (24mph)40km/h (25mph)40km/h (25mph)43km/h (27mph)43km/h (27mph)
Direction 284°
WNW
286°
WNW
280°
W
275°
W
273°
W
275°
W
276°
W
271°
W
Wind chill-14°C (8°F)-14°C (7°F)-13°C (8°F)-12°C (11°F)-11°C (13°F)-11°C (12°F)-12°C (10°F)-12°C (11°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.8ft)0.8m (2.6ft)0.9m (2.9ft)0.8m (2.8ft)0.8m (2.5ft)0.8m (2.5ft)
Direction 145°
SE
257°
WSW
258°
WSW
257°
WSW
245°
WSW
252°
WSW
252°
WSW
251°
WSW
Period10.5 sec.9.5 sec.9.1 sec.8.8 sec.10.3 sec.10.0 sec.9.8 sec.8.1 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.2m (3.9ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°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 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 19.3mph km/h (with gusts up to 26.7mph). 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)-6°C (21°F)-4°C (26°F)-1°C (30°F)-1°C (30°F)-2°C (29°F)-1°C (30°F)
Perceived temperature-11°C (11°F)-12°C (11°F)-11°C (12°F)-8°C (18°F)-5°C (23°F)-5°C (24°F)-6°C (21°F)-6°C (21°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%80%77%71%63%67%73%81%
Barometric pressure1018 hPa1020 hPa1022 hPa1024 hPa1023 hPa1023 hPa1024 hPa1024 hPa
Cloud cover62%53%3%0%27%100%100%80%
Heat index-4°C (25°F)-5°C (24°F)-6°C (21°F)-4°C (26°F)-1°C (30°F)-1°C (30°F)-2°C (29°F)-1°C (30°F)
Dew point-8°C (18°F)-8°C (18°F)-9°C (15°F)-8°C (17°F)-7°C (19°F)-6°C (21°F)-6°C (21°F)-4°C (24°F)
Wind
Speed31km/h (19mph)23km/h (15mph)13km/h (8mph)11km/h (7mph)11km/h (7mph)10km/h (6mph)14km/h (9mph)15km/h (9mph)
Gusts43km/h (27mph)33km/h (21mph)24km/h (15mph)15km/h (9mph)16km/h (10mph)16km/h (10mph)26km/h (16mph)28km/h (18mph)
Direction 278°
W
292°
WNW
291°
WNW
275°
W
268°
W
270°
W
271°
W
266°
W
Wind chill-11°C (11°F)-12°C (11°F)-11°C (12°F)-8°C (18°F)-5°C (23°F)-5°C (24°F)-6°C (21°F)-6°C (21°F)
Waves
Height0.8m (2.6ft)0.7m (2.3ft)0.6m (1.9ft)0.4m (1.4ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 252°
WSW
245°
WSW
250°
WSW
176°
S
243°
WSW
132°
SE
147°
SSE
137°
SE
Period8.0 sec.9.3 sec.5.8 sec.5.3 sec.4.1 sec.3.8 sec.4.2 sec.4.1 sec.
Significant height1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°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 34°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 13.1mph km/h (with gusts up to 21.8mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)4°C (38°F)4°C (40°F)4°C (38°F)3°C (37°F)2°C (36°F)1°C (34°F)1°C (34°F)
Perceived temperature-3°C (27°F)-1°C (31°F)1°C (33°F)1°C (34°F)-1°C (31°F)-1°C (30°F)1°C (33°F)0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%81%89%91%97%95%91%92%
Barometric pressure1022 hPa1022 hPa1021 hPa1023 hPa1023 hPa1024 hPa1025 hPa1025 hPa
Cloud cover44%100%100%66%100%70%56%41%
Heat index2°C (36°F)4°C (38°F)4°C (40°F)4°C (38°F)3°C (37°F)2°C (36°F)1°C (34°F)1°C (34°F)
Dew point-1°C (30°F)1°C (33°F)2°C (36°F)2°C (36°F)2°C (36°F)1°C (34°F)-0°C (32°F)-0°C (32°F)
Wind
Speed20km/h (13mph)21km/h (13mph)17km/h (10mph)9km/h (6mph)12km/h (8mph)10km/h (6mph)3km/h (2mph)4km/h (2mph)
Gusts35km/h (21mph)34km/h (21mph)27km/h (17mph)15km/h (9mph)18km/h (11mph)16km/h (10mph)6km/h (4mph)6km/h (4mph)
Direction 241°
WSW
230°
SW
252°
WSW
333°
NNW
12°
NNE

N
23°
NNE
87°
E
Wind chill-3°C (27°F)-1°C (31°F)1°C (33°F)1°C (34°F)-1°C (31°F)-1°C (30°F)1°C (33°F)0°C (32°F)
Waves
Height0.3m (1.0ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.6ft)0.8m (2.5ft)1.0m (3.4ft)1.1m (3.5ft)1.0m (3.3ft)
Direction 138°
SE
236°
WSW
234°
SW
200°
SSW
196°
SSW
188°
S
182°
S
179°
S
Period4.1 sec.12.2 sec.12.2 sec.12.1 sec.8.3 sec.11.9 sec.10.4 sec.10.6 sec.
Significant height0.3m (1ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°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 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 7.5mph km/h (with gusts up to 14.9mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)4°C (39°F)4°C (40°F)6°C (42°F)7°C (45°F)6°C (43°F)5°C (41°F)5°C (42°F)
Perceived temperature1°C (33°F)4°C (39°F)3°C (38°F)4°C (39°F)5°C (41°F)4°C (39°F)4°C (40°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%91%94%94%95%98%98%
Barometric pressure1024 hPa1024 hPa1022 hPa1022 hPa1020 hPa1021 hPa1021 hPa1020 hPa
Cloud cover82%50%92%100%100%73%100%100%
Heat index3°C (37°F)4°C (39°F)4°C (40°F)6°C (42°F)7°C (45°F)6°C (43°F)5°C (41°F)5°C (42°F)
Dew point1°C (34°F)3°C (37°F)3°C (37°F)5°C (41°F)6°C (43°F)6°C (42°F)5°C (41°F)5°C (41°F)
Wind
Speed7km/h (4mph)3km/h (2mph)5km/h (3mph)8km/h (5mph)9km/h (6mph)12km/h (7mph)5km/h (3mph)4km/h (3mph)
Gusts12km/h (7mph)5km/h (3mph)10km/h (6mph)14km/h (9mph)17km/h (11mph)24km/h (15mph)11km/h (7mph)9km/h (6mph)
Direction 164°
SSE
139°
SE
148°
SSE
174°
S
208°
SSW
207°
SSW
285°
WNW
223°
SW
Wind chill1°C (33°F)4°C (39°F)3°C (38°F)4°C (39°F)5°C (41°F)4°C (39°F)4°C (40°F)5°C (40°F)
Waves
Height0.9m (3.0ft)0.9m (3.0ft)0.9m (3.1ft)0.8m (2.8ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.7ft)
Direction 171°
S
176°
S
169°
SSE
166°
SSE
157°
SSE
154°
SSE
157°
SSE
161°
SSE
Period10.7 sec.10.7 sec.10.8 sec.5.4 sec.5.9 sec.6.1 sec.6.1 sec.5.9 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 07:00 and will set at 16:03 on the beach(es) of Tomakomai. The outside temperature will be a high of 49°F t and a low of 40°F. Precipitation is in the forecast (0.1in 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 18.6mph km/h (with gusts up to 22.4mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)5°C (40°F)4°C (40°F)5°C (41°F)7°C (44°F)7°C (44°F)8°C (46°F)9°C (47°F)
Perceived temperature4°C (38°F)3°C (38°F)3°C (38°F)5°C (40°F)5°C (42°F)4°C (39°F)4°C (39°F)6°C (42°F)
Precipitation0in0in0in0in0in0.1in0in0.1in
Humidity99%98%97%96%96%97%95%99%
Barometric pressure1020 hPa1020 hPa1020 hPa1019 hPa1016 hPa1012 hPa1009 hPa1005 hPa
Cloud cover100%100%65%70%91%100%100%100%
Heat index5°C (41°F)5°C (40°F)4°C (40°F)5°C (41°F)7°C (44°F)7°C (44°F)8°C (46°F)9°C (47°F)
Dew point5°C (41°F)4°C (40°F)4°C (39°F)4°C (40°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (47°F)
Wind
Speed7km/h (4mph)6km/h (4mph)5km/h (3mph)4km/h (2mph)6km/h (4mph)14km/h (9mph)30km/h (19mph)19km/h (12mph)
Gusts14km/h (9mph)11km/h (7mph)10km/h (6mph)7km/h (4mph)11km/h (7mph)28km/h (17mph)31km/h (19mph)36km/h (22mph)
Direction 263°
W
248°
WSW
223°
SW
149°
SSE
138°
SE
134°
SE
141°
SE
156°
SSE
Wind chill4°C (38°F)3°C (38°F)3°C (38°F)5°C (40°F)5°C (42°F)4°C (39°F)4°C (39°F)6°C (42°F)
Waves
Height0.4m (1.4ft)0.5m (1.5ft)0.6m (1.8ft)0.6m (1.9ft)0.6m (1.8ft)0.9m (2.9ft)1.4m (4.7ft)1.7m (5.6ft)
Direction 160°
SSE
150°
SSE
154°
SSE
156°
SSE
158°
SSE
159°
SSE
150°
SSE
145°
SE
Period5.7 sec.6.6 sec.7.2 sec.7.2 sec.7.0 sec.7.0 sec.7.0 sec.7.0 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)10°C (49°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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