Sea weather in Tokyo in Japan All the beach weather in Tokyo

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

Discover the best moment to go to the beach in Tokyo in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Tokyo. 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 202543°F to 49°Fdiscouraged
Sunday 14 December 202545°F to 54°Fdiscouraged
Monday 15 December 202545°F to 54°Fdiscouraged
Tuesday 16 December 202545°F to 52°Fdiscouraged
Wednesday 17 December 202549°F to 52°Frecommended
Thursday 18 December 202549°F to 50°Fdiscouraged
Friday 19 December 202549°F to 54°Frecommended

Sea Weather: Your daily and hourly sea weather in Tokyo

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 06:42 and will set at 16:28 on the beach(es) of Tokyo. The outside temperature will be a high of 49°F t and a low of 43°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 21.8mph km/h (with gusts up to 25.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (44°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)8°C (47°F)8°C (47°F)
Perceived temperature2°C (35°F)2°C (36°F)3°C (38°F)4°C (39°F)5°C (41°F)5°C (42°F)5°C (42°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity47%46%42%42%42%58%71%79%
Barometric pressure1026 hPa1027 hPa1028 hPa1029 hPa1027 hPa1026 hPa1025 hPa1023 hPa
Cloud cover35%93%97%86%95%100%100%100%
Heat index7°C (44°F)6°C (44°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)8°C (47°F)8°C (47°F)
Dew point-4°C (25°F)-4°C (24°F)-6°C (22°F)-5°C (22°F)-5°C (23°F)-0°C (31°F)3°C (38°F)5°C (41°F)
Wind
Speed35km/h (22mph)27km/h (17mph)15km/h (10mph)14km/h (9mph)10km/h (6mph)10km/h (6mph)18km/h (11mph)22km/h (14mph)
Gusts41km/h (25mph)33km/h (20mph)20km/h (12mph)18km/h (11mph)13km/h (8mph)13km/h (8mph)25km/h (16mph)29km/h (18mph)
Direction
N
21°
NNE
39°
NE
26°
NNE
57°
ENE
72°
ENE
60°
ENE
21°
NNE
Wind chill2°C (35°F)2°C (36°F)3°C (38°F)4°C (39°F)5°C (41°F)5°C (42°F)5°C (42°F)5°C (41°F)
Waves
Height0.7m (2.4ft)0.7m (2.2ft)0.6m (2.1ft)0.4m (1.5ft)0.2m (0.8ft)0.1m (0.4ft)0.3m (0.9ft)0.4m (1.2ft)
Direction
N

N

N

N

N

N
34°
NE
27°
NNE
Period5.9 sec.5.6 sec.5.5 sec.5.3 sec.3.1 sec.2.5 sec.1.9 sec.2.4 sec.
Significant height0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:42 and will set at 16:28 on the beach(es) of Tokyo. The outside temperature will be a high of 54°F t and a low of 45°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 15.5mph km/h (with gusts up to 19.9mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)9°C (49°F)11°C (51°F)12°C (53°F)
Perceived temperature4°C (40°F)4°C (40°F)5°C (40°F)5°C (42°F)5°C (41°F)9°C (48°F)8°C (47°F)10°C (50°F)
Precipitation0.1in0in0.1in0in0in0in0in0in
Humidity88%86%89%89%84%74%69%63%
Barometric pressure1017 hPa1013 hPa1010 hPa1006 hPa1002 hPa1000 hPa1000 hPa1003 hPa
Cloud cover100%89%100%100%100%78%76%0%
Heat index8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)9°C (49°F)11°C (51°F)12°C (53°F)
Dew point6°C (43°F)6°C (42°F)6°C (42°F)6°C (43°F)6°C (42°F)5°C (41°F)5°C (42°F)5°C (41°F)
Wind
Speed25km/h (15mph)22km/h (14mph)17km/h (11mph)16km/h (10mph)23km/h (14mph)6km/h (4mph)18km/h (11mph)18km/h (11mph)
Gusts30km/h (19mph)27km/h (17mph)22km/h (14mph)21km/h (13mph)29km/h (18mph)9km/h (5mph)32km/h (20mph)28km/h (17mph)
Direction
N

N
355°
N
24°
NNE
349°
NNW
267°
W
280°
W
256°
WSW
Wind chill4°C (40°F)4°C (40°F)5°C (40°F)5°C (42°F)5°C (41°F)9°C (48°F)8°C (47°F)10°C (50°F)
Waves
Height0.6m (1.8ft)0.6m (2.0ft)0.4m (1.4ft)0.5m (1.6ft)0.6m (1.9ft)0.4m (1.4ft)0.4m (1.4ft)0.8m (2.6ft)
Direction 14°
NNE

N

N

N

N
349°
NNW
173°
S
223°
SW
Period2.9 sec.3.2 sec.2.8 sec.5.9 sec.5.5 sec.9.4 sec.9.6 sec.7.0 sec.
Significant height0.9m (3ft)0.9m (3ft)0.6m (2ft)0.8m (2.6ft)0.9m (3ft)0.4m (1.3ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:43 and will set at 16:29 on the beach(es) of Tokyo. The outside temperature will be a high of 54°F t and a low of 45°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 23.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)11°C (52°F)10°C (51°F)10°C (50°F)9°C (48°F)11°C (51°F)9°C (48°F)10°C (49°F)
Perceived temperature10°C (49°F)9°C (48°F)9°C (47°F)8°C (46°F)7°C (44°F)10°C (50°F)6°C (42°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity45%40%43%48%37%31%41%43%
Barometric pressure1005 hPa1008 hPa1011 hPa1015 hPa1015 hPa1016 hPa1019 hPa1020 hPa
Cloud cover0%0%2%0%1%5%5%13%
Heat index12°C (54°F)11°C (52°F)10°C (51°F)10°C (50°F)9°C (48°F)11°C (51°F)9°C (48°F)10°C (49°F)
Dew point1°C (33°F)-2°C (29°F)-2°C (29°F)-0°C (31°F)-5°C (23°F)-6°C (22°F)-4°C (26°F)-3°C (27°F)
Wind
Speed26km/h (16mph)22km/h (13mph)13km/h (8mph)19km/h (12mph)15km/h (9mph)8km/h (5mph)22km/h (13mph)17km/h (10mph)
Gusts37km/h (23mph)31km/h (19mph)18km/h (11mph)24km/h (15mph)27km/h (17mph)13km/h (8mph)38km/h (24mph)23km/h (14mph)
Direction 281°
W
296°
WNW
320°
NW
351°
N
345°
NNW
19°
NNE
25°
NNE
19°
NNE
Wind chill10°C (49°F)9°C (48°F)9°C (47°F)8°C (46°F)7°C (44°F)10°C (50°F)6°C (42°F)7°C (45°F)
Waves
Height1.0m (3.3ft)1.0m (3.2ft)0.8m (2.6ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.5m (1.8ft)0.4m (1.3ft)
Direction 233°
SW
234°
SW
214°
SW
216°
SW
217°
SW
218°
SW

N

N
Period7.0 sec.7.1 sec.6.0 sec.5.5 sec.5.4 sec.5.2 sec.8.6 sec.5.3 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.8m (2.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:44 and will set at 16:29 on the beach(es) of Tokyo. The outside temperature will be a high of 52°F t and a low of 45°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 18mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (47°F)8°C (46°F)8°C (47°F)7°C (45°F)7°C (45°F)7°C (44°F)11°C (51°F)
Perceived temperature7°C (44°F)5°C (42°F)5°C (40°F)5°C (42°F)6°C (42°F)6°C (43°F)6°C (43°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity47%50%54%51%45%50%57%58%
Barometric pressure1020 hPa1021 hPa1021 hPa1021 hPa1019 hPa1018 hPa1018 hPa1018 hPa
Cloud cover98%60%0%0%0%0%0%0%
Heat index9°C (48°F)9°C (47°F)8°C (46°F)8°C (47°F)7°C (45°F)7°C (45°F)7°C (44°F)11°C (51°F)
Dew point-2°C (29°F)-1°C (30°F)-1°C (31°F)-1°C (30°F)-4°C (25°F)-2°C (28°F)-1°C (30°F)3°C (37°F)
Wind
Speed17km/h (11mph)21km/h (13mph)22km/h (14mph)17km/h (11mph)8km/h (5mph)6km/h (4mph)4km/h (3mph)3km/h (2mph)
Gusts22km/h (14mph)26km/h (16mph)29km/h (18mph)21km/h (13mph)14km/h (9mph)13km/h (8mph)9km/h (6mph)4km/h (2mph)
Direction 23°
NNE
14°
NNE
359°
N
352°
N
333°
NNW
206°
SSW
197°
SSW
230°
SW
Wind chill7°C (44°F)5°C (42°F)5°C (40°F)5°C (42°F)6°C (42°F)6°C (43°F)6°C (43°F)11°C (51°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.4m (1.3ft)0.4m (1.2ft)0.2m (0.8ft)0.2m (0.5ft)0.1m (0.5ft)0.2m (0.6ft)
Direction 216°
SW
16°
NNE

N
358°
N
357°
N
220°
SW
219°
SW
219°
SW
Period7.7 sec.4.8 sec.7.1 sec.6.8 sec.6.8 sec.6.9 sec.5.0 sec.5.8 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:44 and will set at 16:29 on the beach(es) of Tokyo. The outside temperature will be a high of 52°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 12.4mph km/h (with gusts up to 16.8mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)10°C (50°F)9°C (48°F)9°C (49°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (51°F)
Perceived temperature10°C (51°F)8°C (46°F)6°C (43°F)7°C (44°F)8°C (47°F)9°C (49°F)9°C (49°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%58%58%57%60%59%64%71%
Barometric pressure1017 hPa1018 hPa1019 hPa1021 hPa1019 hPa1018 hPa1019 hPa1020 hPa
Cloud cover0%0%32%12%21%9%71%41%
Heat index11°C (51°F)10°C (50°F)9°C (48°F)9°C (49°F)10°C (50°F)10°C (51°F)11°C (52°F)11°C (51°F)
Dew point3°C (37°F)2°C (36°F)1°C (34°F)1°C (34°F)2°C (36°F)3°C (37°F)5°C (40°F)6°C (42°F)
Wind
Speed5km/h (3mph)17km/h (11mph)20km/h (12mph)17km/h (11mph)13km/h (8mph)9km/h (5mph)14km/h (9mph)13km/h (8mph)
Gusts8km/h (5mph)24km/h (15mph)27km/h (17mph)22km/h (14mph)18km/h (11mph)14km/h (9mph)21km/h (13mph)18km/h (11mph)
Direction 310°
NW

N

N

N
15°
NNE
26°
NNE
49°
NE
57°
ENE
Wind chill10°C (51°F)8°C (46°F)6°C (43°F)7°C (44°F)8°C (47°F)9°C (49°F)9°C (49°F)9°C (48°F)
Waves
Height0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 222°
SW
220°
SW
220°
SW
220°
SW
212°
SSW
206°
SSW
213°
SSW
208°
SSW
Period6.8 sec.5.7 sec.5.7 sec.5.7 sec.5.4 sec.5.0 sec.5.2 sec.5.0 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:45 and will set at 16:30 on the beach(es) of Tokyo. The outside temperature will be a high of 50°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 18mph km/h (with gusts up to 22.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (51°F)10°C (49°F)9°C (49°F)9°C (49°F)10°C (50°F)10°C (50°F)9°C (49°F)10°C (50°F)
Perceived temperature8°C (47°F)7°C (44°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)7°C (45°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%63%61%60%57%50%52%56%
Barometric pressure1020 hPa1020 hPa1020 hPa1023 hPa1023 hPa1024 hPa1026 hPa1027 hPa
Cloud cover100%100%81%16%10%5%6%7%
Heat index10°C (51°F)10°C (49°F)9°C (49°F)9°C (49°F)10°C (50°F)10°C (50°F)9°C (49°F)10°C (50°F)
Dew point5°C (40°F)3°C (38°F)2°C (36°F)2°C (35°F)2°C (35°F)0°C (33°F)0°C (32°F)1°C (35°F)
Wind
Speed16km/h (10mph)23km/h (14mph)29km/h (18mph)24km/h (15mph)21km/h (13mph)18km/h (11mph)15km/h (9mph)16km/h (10mph)
Gusts21km/h (13mph)30km/h (18mph)36km/h (23mph)30km/h (19mph)29km/h (18mph)29km/h (18mph)26km/h (16mph)23km/h (14mph)
Direction 19°
NNE
14°
NNE
11°
NNE
12°
NNE
21°
NNE
26°
NNE
63°
ENE
79°
E
Wind chill8°C (47°F)7°C (44°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)7°C (45°F)8°C (46°F)
Waves
Height0.3m (1.0ft)0.5m (1.5ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.1ft)
Direction 16°
NNE
10°
N
13°
NNE
11°
N
10°
N
33°
NNE
50°
NE
49°
NE
Period4.8 sec.4.8 sec.4.6 sec.4.5 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:46 and will set at 16:30 on the beach(es) of Tokyo. 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 10.6mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)9°C (47°F)9°C (48°F)9°C (49°F)11°C (51°F)11°C (53°F)12°C (54°F)
Perceived temperature7°C (45°F)7°C (45°F)6°C (43°F)6°C (43°F)8°C (46°F)11°C (51°F)11°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%57%61%61%56%57%57%57%
Barometric pressure1028 hPa1029 hPa1030 hPa1031 hPa1030 hPa1029 hPa1030 hPa1031 hPa
Cloud cover5%2%19%45%5%29%83%73%
Heat index9°C (49°F)9°C (48°F)9°C (47°F)9°C (48°F)9°C (49°F)11°C (51°F)11°C (53°F)12°C (54°F)
Dew point1°C (35°F)1°C (34°F)1°C (35°F)2°C (35°F)1°C (34°F)3°C (37°F)3°C (38°F)4°C (39°F)
Wind
Speed15km/h (9mph)12km/h (8mph)14km/h (9mph)17km/h (11mph)9km/h (6mph)5km/h (3mph)3km/h (2mph)2km/h (1mph)
Gusts20km/h (13mph)17km/h (11mph)20km/h (12mph)22km/h (14mph)14km/h (9mph)7km/h (4mph)4km/h (3mph)3km/h (2mph)
Direction 65°
ENE
34°
NE
33°
NNE
24°
NNE
22°
NNE
326°
NW
325°
NW

N
Wind chill7°C (45°F)7°C (45°F)6°C (43°F)6°C (43°F)8°C (46°F)11°C (51°F)11°C (53°F)12°C (54°F)
Waves
Height0.3m (0.9ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.4ft)0.4m (1.3ft)
Direction 45°
NE
37°
NE
25°
NNE
20°
NNE
17°
NNE
13°
NNE

N
194°
SSW
Period4.3 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.2.3 sec.2.3 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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