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
Monday 15 December 202541°F to 50°Fdiscouraged
Tuesday 16 December 202547°F to 58°Frecommended
Wednesday 17 December 202552°F to 59°Frecommended
Thursday 18 December 202554°F to 59°Frecommended
Friday 19 December 202556°F to 61°Fdiscouraged
Saturday 20 December 202563°F to 65°Fdiscouraged
Sunday 21 December 202561°F to 65°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Tosashimizu

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 22.4mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)8°C (46°F)9°C (48°F)9°C (48°F)9°C (47°F)6°C (43°F)9°C (48°F)
Perceived temperature6°C (43°F)6°C (43°F)5°C (41°F)6°C (43°F)6°C (42°F)6°C (42°F)2°C (36°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%61%62%59%51%51%59%63%
Barometric pressure1018 hPa1020 hPa1022 hPa1024 hPa1022 hPa1022 hPa1023 hPa1024 hPa
Cloud cover75%15%0%0%0%0%0%0%
Heat index9°C (49°F)9°C (48°F)8°C (46°F)9°C (48°F)9°C (48°F)9°C (47°F)6°C (43°F)9°C (48°F)
Dew point3°C (38°F)2°C (35°F)1°C (34°F)1°C (34°F)-1°C (31°F)-1°C (30°F)-1°C (30°F)2°C (36°F)
Wind
Speed23km/h (14mph)23km/h (14mph)19km/h (12mph)18km/h (11mph)20km/h (13mph)19km/h (12mph)19km/h (12mph)14km/h (9mph)
Gusts32km/h (20mph)30km/h (19mph)26km/h (16mph)22km/h (14mph)36km/h (22mph)20km/h (12mph)23km/h (14mph)22km/h (14mph)
Direction 317°
NW
330°
NNW
339°
NNW
334°
NNW
321°
NW
315°
NW
318°
NW
317°
NW
Wind chill6°C (43°F)6°C (43°F)5°C (41°F)6°C (43°F)6°C (42°F)6°C (42°F)2°C (36°F)7°C (44°F)
Waves
Height1.2m (3.9ft)1.1m (3.6ft)1.2m (3.8ft)1.1m (3.7ft)1.0m (3.4ft)0.9m (3.0ft)0.8m (2.8ft)0.7m (2.4ft)
Direction 291°
WNW
293°
WNW
97°
E
101°
ESE
104°
ESE
106°
ESE
108°
ESE
109°
ESE
Period11.2 sec.11.1 sec.10.7 sec.10.1 sec.9.9 sec.9.8 sec.9.7 sec.9.6 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)1.3m (4.3ft)1.4m (4.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°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 58°F t and a low of 47°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 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)9°C (48°F)10°C (50°F)12°C (54°F)13°C (56°F)9°C (48°F)12°C (53°F)
Perceived temperature7°C (44°F)6°C (44°F)7°C (44°F)9°C (48°F)11°C (51°F)12°C (54°F)7°C (45°F)10°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%69%70%64%48%43%55%65%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1023 hPa1022 hPa1023 hPa1023 hPa
Cloud cover10%4%2%10%7%8%0%0%
Heat index9°C (48°F)9°C (48°F)9°C (48°F)10°C (50°F)12°C (54°F)13°C (56°F)9°C (48°F)12°C (53°F)
Dew point3°C (37°F)3°C (38°F)4°C (39°F)4°C (38°F)1°C (34°F)1°C (34°F)0°C (33°F)5°C (42°F)
Wind
Speed13km/h (8mph)14km/h (9mph)14km/h (9mph)11km/h (7mph)12km/h (8mph)12km/h (7mph)10km/h (6mph)11km/h (7mph)
Gusts20km/h (12mph)21km/h (13mph)22km/h (14mph)15km/h (9mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)17km/h (11mph)
Direction 311°
NW
307°
NW
306°
NW
302°
WNW
287°
WNW
295°
WNW
321°
NW
311°
NW
Wind chill7°C (44°F)6°C (44°F)7°C (44°F)9°C (48°F)11°C (51°F)12°C (54°F)7°C (45°F)10°C (51°F)
Waves
Height0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.8ft)0.5m (1.8ft)0.5m (1.6ft)
Direction 114°
ESE
115°
ESE
116°
ESE
116°
ESE
116°
ESE
116°
ESE
118°
ESE
118°
ESE
Period9.4 sec.9.3 sec.9.2 sec.9.1 sec.8.9 sec.8.8 sec.8.7 sec.8.6 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°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 59°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 9.9mph km/h (with gusts up to 14.9mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)11°C (52°F)12°C (53°F)13°C (55°F)15°C (58°F)15°C (59°F)14°C (58°F)13°C (56°F)
Perceived temperature10°C (49°F)9°C (49°F)10°C (50°F)12°C (53°F)14°C (57°F)14°C (57°F)14°C (56°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%75%72%66%54%56%61%75%
Barometric pressure1023 hPa1023 hPa1022 hPa1023 hPa1021 hPa1020 hPa1021 hPa1021 hPa
Cloud cover0%2%4%7%13%18%45%100%
Heat index11°C (52°F)11°C (52°F)12°C (53°F)13°C (55°F)15°C (58°F)15°C (59°F)14°C (58°F)13°C (56°F)
Dew point6°C (43°F)7°C (44°F)7°C (44°F)7°C (44°F)5°C (42°F)6°C (43°F)7°C (44°F)9°C (48°F)
Wind
Speed12km/h (7mph)12km/h (8mph)14km/h (9mph)12km/h (7mph)11km/h (7mph)16km/h (10mph)12km/h (8mph)10km/h (6mph)
Gusts19km/h (12mph)19km/h (12mph)22km/h (13mph)16km/h (10mph)16km/h (10mph)24km/h (15mph)21km/h (13mph)16km/h (10mph)
Direction 316°
NW
307°
NW
302°
WNW
298°
WNW
254°
WSW
231°
SW
248°
WSW
319°
NW
Wind chill10°C (49°F)9°C (49°F)10°C (50°F)12°C (53°F)14°C (57°F)14°C (57°F)14°C (56°F)13°C (55°F)
Waves
Height0.5m (1.6ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.4ft)0.4m (1.5ft)0.6m (1.9ft)0.7m (2.3ft)0.7m (2.3ft)
Direction 117°
ESE
117°
ESE
116°
ESE
115°
ESE
114°
ESE
114°
ESE
113°
ESE
113°
ESE
Period8.5 sec.8.4 sec.8.3 sec.8.3 sec.8.3 sec.8.2 sec.8.2 sec.3.9 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°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 59°F t and a low of 54°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 13.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (55°F)12°C (54°F)13°C (55°F)15°C (58°F)14°C (58°F)14°C (58°F)15°C (59°F)
Perceived temperature12°C (54°F)12°C (53°F)11°C (51°F)12°C (53°F)14°C (57°F)14°C (56°F)14°C (57°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%75%78%76%67%73%73%71%
Barometric pressure1021 hPa1022 hPa1023 hPa1025 hPa1023 hPa1023 hPa1024 hPa1025 hPa
Cloud cover76%12%2%15%34%77%86%74%
Heat index13°C (56°F)13°C (55°F)12°C (54°F)13°C (55°F)15°C (58°F)14°C (58°F)14°C (58°F)15°C (59°F)
Dew point10°C (49°F)8°C (47°F)8°C (47°F)9°C (48°F)9°C (47°F)9°C (49°F)10°C (49°F)10°C (49°F)
Wind
Speed13km/h (8mph)11km/h (7mph)13km/h (8mph)13km/h (8mph)10km/h (6mph)12km/h (7mph)11km/h (7mph)14km/h (9mph)
Gusts18km/h (11mph)17km/h (10mph)20km/h (13mph)17km/h (11mph)13km/h (8mph)17km/h (10mph)18km/h (11mph)21km/h (13mph)
Direction 24°
NNE
357°
N

N

N
31°
NNE
63°
ENE
46°
NE
66°
ENE
Wind chill12°C (54°F)12°C (53°F)11°C (51°F)12°C (53°F)14°C (57°F)14°C (56°F)14°C (57°F)14°C (57°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.8m (2.8ft)0.8m (2.7ft)0.7m (2.3ft)
Direction 220°
SW
110°
ESE
109°
ESE
108°
ESE
108°
ESE
91°
E
81°
E
110°
ESE
Period4.3 sec.4.5 sec.10.0 sec.9.9 sec.9.7 sec.6.0 sec.5.9 sec.5.2 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°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 61°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 17.4mph km/h (with gusts up to 23.6mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)13°C (56°F)13°C (56°F)15°C (59°F)16°C (61°F)16°C (60°F)14°C (58°F)16°C (60°F)
Perceived temperature13°C (56°F)12°C (53°F)12°C (53°F)15°C (59°F)16°C (61°F)16°C (60°F)13°C (56°F)16°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%81%80%76%81%86%87%83%
Barometric pressure1025 hPa1025 hPa1025 hPa1025 hPa1024 hPa1023 hPa1023 hPa1024 hPa
Cloud cover50%41%100%96%99%35%86%86%
Heat index14°C (58°F)13°C (56°F)13°C (56°F)15°C (59°F)16°C (61°F)16°C (60°F)14°C (58°F)16°C (60°F)
Dew point10°C (50°F)10°C (50°F)10°C (50°F)11°C (52°F)13°C (55°F)13°C (56°F)12°C (54°F)13°C (55°F)
Wind
Speed15km/h (9mph)19km/h (12mph)18km/h (11mph)23km/h (14mph)28km/h (18mph)25km/h (16mph)15km/h (9mph)10km/h (6mph)
Gusts23km/h (14mph)30km/h (19mph)27km/h (17mph)31km/h (19mph)38km/h (23mph)35km/h (22mph)27km/h (17mph)18km/h (11mph)
Direction 40°
NE
11°
N
25°
NNE
40°
NE
38°
NE
21°
NNE
16°
NNE
21°
NNE
Wind chill13°C (56°F)12°C (53°F)12°C (53°F)15°C (59°F)16°C (61°F)16°C (60°F)13°C (56°F)16°C (60°F)
Waves
Height0.7m (2.2ft)0.7m (2.5ft)0.8m (2.6ft)0.8m (2.8ft)0.9m (2.9ft)0.8m (2.8ft)0.8m (2.5ft)0.9m (3.0ft)
Direction 110°
ESE
109°
ESE
109°
ESE
109°
ESE
110°
ESE
111°
ESE
111°
ESE
111°
ESE
Period9.7 sec.9.7 sec.9.8 sec.9.8 sec.9.8 sec.9.8 sec.9.8 sec.9.7 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°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 63°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 19.3mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)18°C (64°F)17°C (62°F)17°C (62°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)
Perceived temperature17°C (62°F)18°C (64°F)17°C (62°F)17°C (62°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%73%78%81%75%77%78%80%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1023 hPa1021 hPa1022 hPa1020 hPa
Cloud cover94%89%25%36%33%45%98%100%
Heat index17°C (62°F)18°C (64°F)17°C (62°F)17°C (62°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)
Dew point12°C (54°F)13°C (55°F)13°C (55°F)14°C (57°F)13°C (56°F)14°C (57°F)14°C (58°F)15°C (59°F)
Wind
Speed3km/h (2mph)9km/h (5mph)6km/h (4mph)11km/h (7mph)12km/h (7mph)15km/h (9mph)16km/h (10mph)21km/h (13mph)
Gusts5km/h (3mph)13km/h (8mph)9km/h (6mph)16km/h (10mph)16km/h (10mph)22km/h (14mph)25km/h (16mph)31km/h (19mph)
Direction 315°
NW
245°
WSW
340°
NNW
26°
NNE
54°
NE
61°
ENE
59°
ENE
54°
NE
Wind chill17°C (62°F)18°C (64°F)17°C (62°F)17°C (62°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)
Waves
Height1.1m (3.6ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (4.0ft)1.1m (3.6ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)
Direction 108°
ESE
105°
ESE
97°
E
95°
E
123°
ESE
135°
SE
104°
ESE
104°
ESE
Period9.8 sec.10.2 sec.10.2 sec.9.5 sec.4.7 sec.4.8 sec.6.8 sec.7.6 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)0.8m (2.6ft)1.1m (3.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 07:07 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. 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 14.3mph km/h (with gusts up to 22.4mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)17°C (62°F)16°C (61°F)17°C (63°F)17°C (63°F)18°C (65°F)17°C (63°F)17°C (62°F)
Perceived temperature18°C (64°F)17°C (62°F)16°C (61°F)17°C (63°F)17°C (63°F)18°C (65°F)17°C (63°F)17°C (62°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity90%94%91%92%92%82%83%83%
Barometric pressure1017 hPa1015 hPa1013 hPa1012 hPa1010 hPa1007 hPa1007 hPa1007 hPa
Cloud cover100%100%100%100%100%29%43%18%
Heat index18°C (64°F)17°C (62°F)16°C (61°F)17°C (63°F)17°C (63°F)18°C (65°F)17°C (63°F)17°C (62°F)
Dew point16°C (61°F)16°C (61°F)15°C (59°F)16°C (60°F)16°C (61°F)15°C (59°F)14°C (58°F)14°C (57°F)
Wind
Speed20km/h (13mph)13km/h (8mph)8km/h (5mph)9km/h (5mph)6km/h (4mph)5km/h (3mph)18km/h (11mph)23km/h (15mph)
Gusts28km/h (17mph)18km/h (11mph)12km/h (7mph)12km/h (8mph)9km/h (6mph)8km/h (5mph)29km/h (18mph)36km/h (22mph)
Direction 56°
NE
310°
NW

N
20°
NNE
338°
NNW
237°
WSW
313°
NW
315°
NW
Wind chill18°C (64°F)17°C (62°F)16°C (61°F)17°C (63°F)17°C (63°F)18°C (65°F)17°C (63°F)17°C (62°F)
Waves
Height1.0m (3.2ft)1.1m (3.5ft)1.2m (3.8ft)1.2m (4.1ft)1.3m (4.3ft)1.4m (4.6ft)1.5m (5.0ft)1.6m (5.3ft)
Direction 104°
ESE
110°
ESE
115°
ESE
118°
ESE
120°
ESE
122°
ESE
123°
ESE
120°
ESE
Period8.1 sec.8.1 sec.8.9 sec.8.7 sec.8.7 sec.8.5 sec.8.6 sec.8.8 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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