Sea weather in Tosashimizu in Japan All the beach weather in Tosashimizu

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

Discover the best moment to go to the beach in Tosashimizu in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Tosashimizu. 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 202549°F to 63°Fnot recommended
Monday 15 December 202541°F to 50°Fdiscouraged
Tuesday 16 December 202549°F to 54°Frecommended
Wednesday 17 December 202552°F to 61°Frecommended
Thursday 18 December 202549°F to 58°Frecommended
Friday 19 December 202556°F to 63°Fdiscouraged
Saturday 20 December 202561°F to 65°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Tosashimizu

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:02 and will set at 17:03 on the beach(es) of Tosashimizu. The outside temperature will be a high of 63°F t and a low of 49°F. Precipitation is in the forecast (0.2in 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 28mph km/h (with gusts up to 36mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)16°C (61°F)13°C (56°F)12°C (54°F)12°C (54°F)11°C (53°F)11°C (51°F)10°C (50°F)
Perceived temperature17°C (62°F)16°C (61°F)10°C (50°F)9°C (48°F)9°C (48°F)8°C (47°F)7°C (45°F)7°C (44°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity89%89%78%62%55%56%62%63%
Barometric pressure1010 hPa1007 hPa1008 hPa1012 hPa1013 hPa1014 hPa1016 hPa1017 hPa
Cloud cover100%100%20%30%48%49%50%19%
Heat index17°C (62°F)16°C (61°F)13°C (56°F)12°C (54°F)12°C (54°F)11°C (53°F)11°C (51°F)10°C (50°F)
Dew point15°C (59°F)15°C (58°F)9°C (49°F)5°C (41°F)4°C (38°F)3°C (37°F)4°C (38°F)4°C (38°F)
Wind
Speed29km/h (18mph)10km/h (6mph)45km/h (28mph)40km/h (25mph)39km/h (24mph)35km/h (21mph)33km/h (21mph)31km/h (19mph)
Gusts38km/h (24mph)15km/h (9mph)58km/h (36mph)48km/h (30mph)46km/h (28mph)44km/h (27mph)46km/h (29mph)40km/h (25mph)
Direction 146°
SSE
201°
SSW
315°
NW
309°
NW
301°
WNW
305°
NW
307°
NW
313°
NW
Wind chill17°C (62°F)16°C (61°F)10°C (50°F)9°C (48°F)9°C (48°F)8°C (47°F)7°C (45°F)7°C (44°F)
Waves
Height1.7m (5.5ft)1.8m (6.0ft)1.9m (6.1ft)2.1m (7.1ft)1.9m (6.1ft)1.8m (6.0ft)1.5m (5.0ft)1.4m (4.6ft)
Direction 133°
SE
152°
SSE
159°
SSE
269°
W
292°
WNW
296°
WNW
291°
WNW
295°
WNW
Period11.1 sec.6.8 sec.7.3 sec.7.0 sec.7.1 sec.7.4 sec.7.4 sec.7.2 sec.
Significant height1.5m (4.9ft)0.7m (2.3ft)1.5m (4.9ft)1.8m (5.9ft)1.8m (5.9ft)1.6m (5.2ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:03 and will set at 17:04 on the beach(es) of Tosashimizu. The outside temperature will be a high of 50°F t and a low of 41°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 24.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (47°F)8°C (47°F)9°C (49°F)9°C (48°F)9°C (47°F)6°C (43°F)9°C (48°F)
Perceived temperature6°C (43°F)5°C (42°F)6°C (42°F)7°C (44°F)6°C (42°F)6°C (42°F)2°C (36°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%72%69%59%52%50%59%61%
Barometric pressure1019 hPa1020 hPa1021 hPa1024 hPa1023 hPa1022 hPa1024 hPa1024 hPa
Cloud cover52%58%44%32%0%0%0%0%
Heat index9°C (48°F)9°C (47°F)8°C (47°F)9°C (49°F)9°C (48°F)9°C (47°F)6°C (43°F)9°C (48°F)
Dew point3°C (37°F)4°C (39°F)3°C (37°F)2°C (35°F)-0°C (31°F)-1°C (30°F)-1°C (30°F)2°C (36°F)
Wind
Speed23km/h (14mph)21km/h (13mph)14km/h (9mph)19km/h (12mph)22km/h (14mph)19km/h (12mph)19km/h (12mph)14km/h (9mph)
Gusts31km/h (20mph)28km/h (17mph)19km/h (12mph)24km/h (15mph)39km/h (24mph)20km/h (12mph)20km/h (12mph)21km/h (13mph)
Direction 321°
NW
324°
NW
345°
NNW
336°
NNW
324°
NW
318°
NW
319°
NW
320°
NW
Wind chill6°C (43°F)5°C (42°F)6°C (42°F)7°C (44°F)6°C (42°F)6°C (42°F)2°C (36°F)7°C (44°F)
Waves
Height1.3m (4.3ft)1.2m (4.0ft)1.3m (4.2ft)1.3m (4.1ft)1.1m (3.6ft)1.0m (3.2ft)0.9m (2.9ft)0.8m (2.6ft)
Direction 291°
WNW
97°
E
99°
E
103°
ESE
105°
ESE
107°
ESE
108°
ESE
109°
ESE
Period11.2 sec.11.0 sec.10.6 sec.10.3 sec.10.3 sec.10.0 sec.9.8 sec.9.7 sec.
Significant height1.2m (3.9ft)1.3m (4.3ft)1.2m (3.9ft)1.4m (4.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:04 and will set at 17:04 on the beach(es) of Tosashimizu. The outside temperature will be a high of 54°F t and a low of 49°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 8.7mph km/h (with gusts up to 15.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (47°F)9°C (48°F)10°C (51°F)11°C (51°F)11°C (53°F)11°C (51°F)12°C (53°F)
Perceived temperature7°C (45°F)6°C (44°F)6°C (44°F)9°C (48°F)9°C (48°F)10°C (51°F)10°C (49°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%68%71%64%50%39%54%63%
Barometric pressure1024 hPa1024 hPa1024 hPa1024 hPa1023 hPa1021 hPa1023 hPa1023 hPa
Cloud cover14%6%5%5%0%0%4%4%
Heat index9°C (48°F)9°C (47°F)9°C (48°F)10°C (51°F)11°C (51°F)11°C (53°F)11°C (51°F)12°C (53°F)
Dew point2°C (36°F)3°C (37°F)4°C (39°F)4°C (39°F)1°C (33°F)-2°C (28°F)2°C (36°F)5°C (41°F)
Wind
Speed11km/h (7mph)13km/h (8mph)14km/h (9mph)12km/h (7mph)14km/h (9mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)
Gusts17km/h (10mph)20km/h (12mph)23km/h (14mph)16km/h (10mph)25km/h (16mph)21km/h (13mph)20km/h (13mph)16km/h (10mph)
Direction 318°
NW
309°
NW
307°
NW
302°
WNW
291°
WNW
293°
WNW
328°
NNW
309°
NW
Wind chill7°C (45°F)6°C (44°F)6°C (44°F)9°C (48°F)9°C (48°F)10°C (51°F)10°C (49°F)11°C (51°F)
Waves
Height0.7m (2.3ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.8ft)
Direction 111°
ESE
115°
ESE
116°
ESE
117°
ESE
117°
ESE
116°
ESE
116°
ESE
115°
ESE
Period9.6 sec.9.5 sec.9.4 sec.9.3 sec.9.2 sec.9.1 sec.8.9 sec.8.7 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:04 and will set at 17:04 on the beach(es) of Tosashimizu. The outside temperature will be a high of 61°F t and a low of 52°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 11.2mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (53°F)12°C (53°F)13°C (56°F)16°C (60°F)15°C (60°F)14°C (58°F)13°C (56°F)
Perceived temperature10°C (50°F)10°C (50°F)10°C (51°F)14°C (57°F)16°C (60°F)15°C (60°F)14°C (57°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%70%68%59%53%61%78%85%
Barometric pressure1022 hPa1022 hPa1022 hPa1022 hPa1020 hPa1019 hPa1019 hPa1019 hPa
Cloud cover3%3%8%14%14%100%100%76%
Heat index11°C (52°F)11°C (53°F)12°C (53°F)13°C (56°F)16°C (60°F)15°C (60°F)14°C (58°F)13°C (56°F)
Dew point6°C (42°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)8°C (46°F)11°C (51°F)11°C (51°F)
Wind
Speed12km/h (7mph)13km/h (8mph)11km/h (7mph)3km/h (2mph)15km/h (9mph)15km/h (10mph)9km/h (5mph)18km/h (11mph)
Gusts18km/h (11mph)20km/h (13mph)17km/h (11mph)5km/h (3mph)21km/h (13mph)23km/h (14mph)14km/h (9mph)28km/h (18mph)
Direction 309°
NW
303°
WNW
301°
WNW
249°
WSW
182°
S
254°
WSW
235°
SW

N
Wind chill10°C (50°F)10°C (50°F)10°C (51°F)14°C (57°F)16°C (60°F)15°C (60°F)14°C (57°F)12°C (53°F)
Waves
Height0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)
Direction 118°
ESE
117°
ESE
116°
ESE
115°
ESE
114°
ESE
110°
ESE
110°
ESE
112°
ESE
Period8.6 sec.8.5 sec.8.5 sec.8.5 sec.8.5 sec.8.7 sec.8.7 sec.8.5 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:05 and will set at 17:05 on the beach(es) of Tosashimizu. The outside temperature will be a high of 58°F t and a low of 49°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 8.7mph km/h (with gusts up to 13.7mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)12°C (54°F)13°C (55°F)14°C (57°F)14°C (57°F)10°C (49°F)14°C (56°F)
Perceived temperature11°C (53°F)11°C (52°F)11°C (52°F)12°C (53°F)13°C (56°F)14°C (57°F)10°C (50°F)13°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%74%69%68%62%67%66%
Barometric pressure1019 hPa1020 hPa1021 hPa1024 hPa1023 hPa1023 hPa1024 hPa1025 hPa
Cloud cover8%5%0%0%62%88%0%4%
Heat index13°C (55°F)13°C (55°F)12°C (54°F)13°C (55°F)14°C (57°F)14°C (57°F)10°C (49°F)14°C (56°F)
Dew point10°C (50°F)10°C (49°F)8°C (46°F)7°C (44°F)8°C (46°F)7°C (44°F)4°C (39°F)7°C (45°F)
Wind
Speed12km/h (8mph)14km/h (9mph)14km/h (9mph)10km/h (6mph)8km/h (5mph)6km/h (4mph)3km/h (2mph)8km/h (5mph)
Gusts19km/h (12mph)22km/h (13mph)22km/h (14mph)14km/h (9mph)11km/h (7mph)10km/h (6mph)7km/h (4mph)13km/h (8mph)
Direction 317°
NW
327°
NNW
345°
NNW
349°
NNW
47°
NE
85°
E
44°
NE
29°
NNE
Wind chill11°C (53°F)11°C (52°F)11°C (52°F)12°C (53°F)13°C (56°F)14°C (57°F)10°C (50°F)13°C (56°F)
Waves
Height0.5m (1.6ft)0.6m (2.1ft)0.7m (2.5ft)0.7m (2.5ft)0.7m (2.4ft)0.7m (2.2ft)0.7m (2.3ft)0.8m (2.8ft)
Direction 112°
ESE
109°
ESE
211°
SSW
222°
SW
106°
ESE
106°
ESE
110°
ESE
86°
E
Period8.3 sec.4.2 sec.4.6 sec.4.7 sec.9.3 sec.9.3 sec.5.4 sec.9.9 sec.
Significant height0.5m (1.6ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:05 and will set at 17:05 on the beach(es) of Tosashimizu. The outside temperature will be a high of 63°F t and a low of 56°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 20.5mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)14°C (56°F)13°C (56°F)15°C (58°F)16°C (60°F)17°C (62°F)16°C (60°F)16°C (61°F)
Perceived temperature13°C (55°F)12°C (54°F)12°C (53°F)13°C (56°F)16°C (60°F)17°C (62°F)16°C (60°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%66%76%76%68%62%69%78%
Barometric pressure1025 hPa1025 hPa1026 hPa1026 hPa1025 hPa1024 hPa1025 hPa1025 hPa
Cloud cover19%26%83%81%85%63%94%100%
Heat index14°C (56°F)14°C (56°F)13°C (56°F)15°C (58°F)16°C (60°F)17°C (62°F)16°C (60°F)16°C (61°F)
Dew point8°C (46°F)7°C (45°F)9°C (48°F)10°C (50°F)10°C (50°F)9°C (49°F)10°C (50°F)12°C (54°F)
Wind
Speed11km/h (7mph)14km/h (9mph)16km/h (10mph)19km/h (12mph)18km/h (11mph)17km/h (11mph)21km/h (13mph)22km/h (14mph)
Gusts17km/h (10mph)20km/h (13mph)22km/h (14mph)25km/h (15mph)24km/h (15mph)24km/h (15mph)33km/h (20mph)32km/h (20mph)
Direction 50°
NE
71°
ENE
37°
NE
36°
NE
43°
NE
57°
ENE
52°
NE
36°
NE
Wind chill13°C (55°F)12°C (54°F)12°C (53°F)13°C (56°F)16°C (60°F)17°C (62°F)16°C (60°F)16°C (61°F)
Waves
Height1.0m (3.4ft)1.1m (3.5ft)1.0m (3.2ft)0.9m (3.0ft)0.9m (2.9ft)0.9m (3.1ft)0.9m (3.0ft)1.1m (3.8ft)
Direction 79°
ENE
77°
ENE
80°
E
85°
E
92°
E
95°
E
101°
E
95°
E
Period3.8 sec.3.4 sec.10.1 sec.10.1 sec.10.1 sec.10.7 sec.7.9 sec.14.7 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)1.4m (4.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:06 and will set at 17:06 on the beach(es) of Tosashimizu. The outside temperature will be a high of 65°F t and a low of 61°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 23mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (65°F)16°C (61°F)17°C (62°F)
Perceived temperature16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (65°F)16°C (61°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%84%84%81%75%71%76%80%
Barometric pressure1024 hPa1023 hPa1023 hPa1023 hPa1022 hPa1021 hPa1022 hPa1024 hPa
Cloud cover100%100%100%78%81%41%7%4%
Heat index16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (65°F)16°C (61°F)17°C (62°F)
Dew point13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)14°C (56°F)13°C (55°F)12°C (54°F)13°C (55°F)
Wind
Speed18km/h (11mph)23km/h (15mph)24km/h (15mph)18km/h (11mph)14km/h (9mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)
Gusts27km/h (17mph)37km/h (23mph)33km/h (21mph)24km/h (15mph)19km/h (12mph)15km/h (9mph)17km/h (11mph)16km/h (10mph)
Direction 23°
NNE
20°
NNE
23°
NNE
34°
NE
51°
NE
60°
ENE

N
349°
N
Wind chill16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (65°F)16°C (61°F)17°C (62°F)
Waves
Height1.6m (5.1ft)1.8m (5.8ft)1.8m (5.8ft)1.6m (5.4ft)1.6m (5.2ft)1.7m (5.5ft)2.0m (6.5ft)1.9m (6.3ft)
Direction 95°
E
94°
E
91°
E
92°
E
95°
E
98°
E
102°
ESE
105°
ESE
Period14.6 sec.8.1 sec.9.1 sec.9.4 sec.8.9 sec.8.4 sec.8.2 sec.8.0 sec.
Significant height1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)0.7m (2.3ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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