Sea weather in Hakone in Japan All the beach weather in Hakone

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

Discover the best moment to go to the beach in Hakone in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Hakone. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 18 January 202645°F to 50°Frecommended
Monday 19 January 202645°F to 47°Frecommended
Tuesday 20 January 202645°F to 52°Fdiscouraged
Wednesday 21 January 202634°F to 43°Fdiscouraged
Thursday 22 January 202632°F to 38°Fnot recommended
Friday 23 January 202634°F to 41°Fdiscouraged
Saturday 24 January 202634°F to 43°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Hakone

Sea weather on Sunday 18 January 2026

On Sunday 18 January 2026, the sun will rise at 06:50 and will set at 16:57 on the beach(es) of Hakone. The outside temperature will be a high of 50°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 7.5mph km/h (with gusts up to 12.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)8°C (46°F)7°C (44°F)8°C (46°F)8°C (47°F)8°C (47°F)8°C (46°F)8°C (46°F)
Perceived temperature8°C (46°F)6°C (43°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (44°F)6°C (43°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity57%61%65%61%52%49%53%68%
Barometric pressure1016 hPa1017 hPa1018 hPa1020 hPa1019 hPa1019 hPa1021 hPa1021 hPa
Cloud cover0%0%0%9%46%64%92%100%
Heat index10°C (49°F)8°C (46°F)7°C (44°F)8°C (46°F)8°C (47°F)8°C (47°F)8°C (46°F)8°C (46°F)
Dew point1°C (35°F)1°C (34°F)1°C (33°F)1°C (34°F)-1°C (30°F)-2°C (29°F)-1°C (30°F)2°C (36°F)
Wind
Speed12km/h (8mph)10km/h (6mph)7km/h (4mph)10km/h (6mph)11km/h (7mph)11km/h (7mph)9km/h (6mph)10km/h (6mph)
Gusts20km/h (12mph)16km/h (10mph)11km/h (7mph)13km/h (8mph)14km/h (9mph)15km/h (9mph)13km/h (8mph)14km/h (8mph)
Direction 28°
NNE
50°
NE
21°
NNE
59°
ENE
59°
ENE
68°
ENE
35°
NE
51°
NE
Wind chill8°C (46°F)6°C (43°F)5°C (42°F)6°C (43°F)6°C (43°F)6°C (44°F)6°C (43°F)6°C (43°F)
Waves
Height0.2m (0.6ft)0.3m (1.0ft)0.5m (1.6ft)0.4m (1.2ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 121°
ESE
60°
ENE
53°
NE
53°
NE
55°
NE
121°
ESE
121°
ESE
122°
ESE
Period3.9 sec.4.0 sec.4.1 sec.3.9 sec.3.8 sec.3.5 sec.9.2 sec.9.2 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Monday 19 January 2026

On Monday 19 January 2026, the sun will rise at 06:50 and will set at 16:58 on the beach(es) of Hakone. The outside temperature will be a high of 47°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 8.7mph km/h (with gusts up to 11.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (44°F)7°C (45°F)
Perceived temperature5°C (41°F)5°C (41°F)4°C (40°F)5°C (40°F)6°C (44°F)6°C (44°F)5°C (41°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%73%64%61%69%83%80%
Barometric pressure1021 hPa1021 hPa1020 hPa1020 hPa1018 hPa1017 hPa1017 hPa1017 hPa
Cloud cover100%100%73%91%100%79%79%76%
Heat index8°C (46°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (44°F)7°C (45°F)
Dew point4°C (39°F)4°C (39°F)3°C (37°F)1°C (33°F)0°C (33°F)3°C (37°F)4°C (40°F)4°C (39°F)
Wind
Speed14km/h (9mph)13km/h (8mph)14km/h (9mph)13km/h (8mph)6km/h (4mph)9km/h (5mph)10km/h (6mph)6km/h (4mph)
Gusts19km/h (12mph)17km/h (11mph)18km/h (11mph)16km/h (10mph)8km/h (5mph)12km/h (7mph)15km/h (9mph)8km/h (5mph)
Direction 67°
ENE
55°
NE
25°
NNE
32°
NNE
31°
NNE
69°
ENE
42°
NE
336°
NNW
Wind chill5°C (41°F)5°C (41°F)4°C (40°F)5°C (40°F)6°C (44°F)6°C (44°F)5°C (41°F)6°C (43°F)
Waves
Height0.2m (0.8ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)
Direction 123°
ESE
122°
ESE
122°
ESE
126°
SE
124°
ESE
124°
SE
124°
ESE
123°
ESE
Period4.8 sec.4.9 sec.5.1 sec.5.0 sec.5.1 sec.5.2 sec.5.3 sec.5.3 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Tuesday 20 January 2026

On Tuesday 20 January 2026, the sun will rise at 06:50 and will set at 16:59 on the beach(es) of Hakone. 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 13.1mph km/h (with gusts up to 18.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (45°F)7°C (44°F)8°C (47°F)10°C (50°F)11°C (51°F)10°C (50°F)9°C (47°F)
Perceived temperature7°C (45°F)7°C (45°F)7°C (44°F)8°C (47°F)10°C (50°F)9°C (48°F)7°C (45°F)5°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%77%69%61%56%49%51%
Barometric pressure1013 hPa1011 hPa1009 hPa1009 hPa1006 hPa1005 hPa1006 hPa1006 hPa
Cloud cover16%12%13%22%32%14%46%90%
Heat index7°C (45°F)7°C (45°F)7°C (44°F)8°C (47°F)10°C (50°F)11°C (51°F)10°C (50°F)9°C (47°F)
Dew point4°C (39°F)4°C (39°F)3°C (37°F)3°C (37°F)3°C (38°F)2°C (36°F)-0°C (31°F)-1°C (30°F)
Wind
Speed2km/h (1mph)3km/h (2mph)4km/h (2mph)2km/h (1mph)6km/h (4mph)14km/h (9mph)19km/h (12mph)21km/h (13mph)
Gusts3km/h (2mph)5km/h (3mph)6km/h (4mph)3km/h (2mph)8km/h (5mph)20km/h (12mph)30km/h (19mph)28km/h (17mph)
Direction 249°
WSW
344°
NNW
358°
N
296°
WNW
65°
ENE
76°
ENE
38°
NE
33°
NNE
Wind chill7°C (45°F)7°C (45°F)7°C (44°F)8°C (47°F)10°C (50°F)9°C (48°F)7°C (45°F)5°C (42°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.4m (1.2ft)
Direction 132°
SE
131°
SE
131°
SE
131°
SE
131°
SE
132°
SE
139°
SE
54°
NE
Period5.6 sec.5.5 sec.6.9 sec.6.2 sec.6.7 sec.6.8 sec.9.5 sec.9.5 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.7m (2.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Wednesday 21 January 2026

On Wednesday 21 January 2026, the sun will rise at 06:49 and will set at 17:00 on the beach(es) of Hakone. The outside temperature will be a high of 43°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 11.2mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)4°C (38°F)3°C (38°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (36°F)1°C (34°F)
Perceived temperature2°C (36°F)1°C (33°F)-0°C (32°F)-2°C (29°F)-0°C (32°F)1°C (33°F)-1°C (30°F)-1°C (30°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%78%77%79%61%58%69%75%
Barometric pressure1006 hPa1007 hPa1008 hPa1008 hPa1007 hPa1005 hPa1006 hPa1006 hPa
Cloud cover100%80%100%94%90%77%52%81%
Heat index6°C (42°F)4°C (38°F)3°C (38°F)2°C (36°F)2°C (36°F)3°C (37°F)2°C (36°F)1°C (34°F)
Dew point0°C (32°F)0°C (32°F)-0°C (32°F)-1°C (30°F)-4°C (24°F)-4°C (24°F)-3°C (27°F)-3°C (27°F)
Wind
Speed18km/h (11mph)12km/h (7mph)14km/h (9mph)15km/h (9mph)9km/h (5mph)9km/h (5mph)13km/h (8mph)8km/h (5mph)
Gusts23km/h (14mph)15km/h (9mph)18km/h (11mph)19km/h (11mph)11km/h (7mph)11km/h (7mph)19km/h (12mph)12km/h (7mph)
Direction 57°
ENE
80°
E
70°
ENE
49°
NE
78°
ENE
110°
ESE
17°
NNE
358°
N
Wind chill2°C (36°F)1°C (33°F)-0°C (32°F)-2°C (29°F)-0°C (32°F)1°C (33°F)-1°C (30°F)-1°C (30°F)
Waves
Height0.4m (1.2ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.4ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 59°
ENE
60°
ENE
72°
ENE
69°
ENE
131°
SE
134°
SE
135°
SE
135°
SE
Period9.9 sec.9.8 sec.9.6 sec.9.4 sec.9.5 sec.9.5 sec.9.4 sec.9.2 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Thursday 22 January 2026

On Thursday 22 January 2026, the sun will rise at 06:49 and will set at 17:01 on the beach(es) of Hakone. The outside temperature will be a high of 38°F t and a low of 32°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 8.1mph km/h (with gusts up to 11.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (35°F)1°C (34°F)0°C (33°F)2°C (35°F)3°C (38°F)3°C (38°F)2°C (35°F)2°C (36°F)
Perceived temperature-2°C (29°F)-3°C (27°F)-2°C (28°F)0°C (32°F)3°C (38°F)2°C (35°F)0°C (33°F)-1°C (31°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%67%62%42%28%30%38%40%
Barometric pressure1005 hPa1005 hPa1007 hPa1008 hPa1008 hPa1008 hPa1010 hPa1011 hPa
Cloud cover79%76%71%78%83%22%25%83%
Heat index2°C (35°F)1°C (34°F)0°C (33°F)2°C (35°F)3°C (38°F)3°C (38°F)2°C (35°F)2°C (36°F)
Dew point-4°C (25°F)-5°C (24°F)-6°C (21°F)-10°C (14°F)-14°C (7°F)-13°C (9°F)-11°C (12°F)-10°C (14°F)
Wind
Speed11km/h (7mph)13km/h (8mph)8km/h (5mph)6km/h (4mph)2km/h (1mph)5km/h (3mph)5km/h (3mph)10km/h (6mph)
Gusts16km/h (10mph)19km/h (12mph)11km/h (7mph)7km/h (5mph)2km/h (1mph)7km/h (5mph)10km/h (6mph)15km/h (9mph)
Direction 296°
WNW
344°
NNW
348°
NNW
350°
N
342°
NNW
152°
SSE
286°
WNW
28°
NNE
Wind chill-2°C (29°F)-3°C (27°F)-2°C (28°F)0°C (32°F)3°C (38°F)2°C (35°F)0°C (33°F)-1°C (31°F)
Waves
Height0.3m (0.9ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.7ft)
Direction 136°
SE
135°
SE
135°
SE
135°
SE
135°
SE
135°
SE
135°
SE
135°
SE
Period9.3 sec.2.6 sec.10.0 sec.10.0 sec.10.1 sec.10.2 sec.10.2 sec.10.2 sec.
Significant height0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Friday 23 January 2026

On Friday 23 January 2026, the sun will rise at 06:48 and will set at 17:02 on the beach(es) of Hakone. The outside temperature will be a high of 41°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 11.8mph 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 temperature2°C (35°F)1°C (34°F)1°C (33°F)2°C (36°F)4°C (39°F)5°C (41°F)4°C (39°F)3°C (37°F)
Perceived temperature-2°C (29°F)-4°C (26°F)-4°C (25°F)0°C (32°F)2°C (36°F)4°C (38°F)3°C (37°F)0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity50%57%59%47%37%35%39%42%
Barometric pressure1010 hPa1009 hPa1009 hPa1011 hPa1011 hPa1011 hPa1013 hPa1015 hPa
Cloud cover70%4%3%5%30%44%60%21%
Heat index2°C (35°F)1°C (34°F)1°C (33°F)2°C (36°F)4°C (39°F)5°C (41°F)4°C (39°F)3°C (37°F)
Dew point-8°C (18°F)-6°C (20°F)-6°C (20°F)-8°C (18°F)-9°C (15°F)-9°C (16°F)-9°C (16°F)-9°C (16°F)
Wind
Speed12km/h (8mph)19km/h (12mph)16km/h (10mph)7km/h (4mph)6km/h (4mph)7km/h (4mph)5km/h (3mph)10km/h (6mph)
Gusts18km/h (11mph)28km/h (17mph)24km/h (15mph)9km/h (5mph)8km/h (5mph)9km/h (6mph)8km/h (5mph)16km/h (10mph)
Direction 264°
W
260°
W
273°
W
298°
WNW
172°
S
111°
ESE
11°
NNE
41°
NE
Wind chill-2°C (29°F)-4°C (26°F)-4°C (25°F)0°C (32°F)2°C (36°F)4°C (38°F)3°C (37°F)0°C (32°F)
Waves
Height0.2m (0.8ft)0.4m (1.2ft)0.4m (1.4ft)0.4m (1.4ft)0.2m (0.8ft)0.3m (0.9ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 134°
SE
231°
SW
220°
SW
215°
SW
135°
SE
222°
SW
222°
SW
226°
SW
Period2.5 sec.10.0 sec.9.9 sec.10.1 sec.3.3 sec.10.8 sec.10.6 sec.10.4 sec.
Significant height0.2m (0.7ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.3m (1ft)0.4m (1.3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Saturday 24 January 2026

On Saturday 24 January 2026, the sun will rise at 06:48 and will set at 17:03 on the beach(es) of Hakone. The outside temperature will be a high of 43°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 11.8mph km/h (with gusts up to 19.3mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)2°C (35°F)1°C (34°F)3°C (37°F)4°C (39°F)6°C (43°F)5°C (41°F)4°C (39°F)
Perceived temperature2°C (35°F)0°C (32°F)-2°C (29°F)2°C (35°F)2°C (35°F)5°C (41°F)2°C (35°F)-0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity49%52%57%49%41%35%42%51%
Barometric pressure1016 hPa1016 hPa1017 hPa1017 hPa1016 hPa1015 hPa1016 hPa1017 hPa
Cloud cover82%7%1%1%3%25%23%13%
Heat index2°C (36°F)2°C (35°F)1°C (34°F)3°C (37°F)4°C (39°F)6°C (43°F)5°C (41°F)4°C (39°F)
Dew point-7°C (19°F)-7°C (20°F)-6°C (21°F)-7°C (20°F)-8°C (17°F)-8°C (17°F)-7°C (20°F)-5°C (23°F)
Wind
Speed4km/h (2mph)6km/h (4mph)9km/h (6mph)5km/h (3mph)8km/h (5mph)5km/h (3mph)18km/h (11mph)19km/h (12mph)
Gusts6km/h (4mph)9km/h (5mph)15km/h (9mph)7km/h (4mph)12km/h (8mph)7km/h (5mph)31km/h (19mph)31km/h (19mph)
Direction 104°
ESE
300°
WNW
322°
NW
274°
W
212°
SSW
192°
SSW
267°
W
273°
W
Wind chill2°C (35°F)0°C (32°F)-2°C (29°F)2°C (35°F)2°C (35°F)5°C (41°F)2°C (35°F)-0°C (32°F)
Waves
Height0.5m (1.6ft)0.3m (1.1ft)0.4m (1.4ft)0.6m (1.9ft)0.9m (3.0ft)1.3m (4.3ft)1.2m (3.8ft)0.8m (2.7ft)
Direction 244°
WSW
264°
W
259°
W
248°
WSW
233°
SW
235°
SW
243°
WSW
251°
WSW
Period10.5 sec.3.1 sec.3.2 sec.10.4 sec.10.3 sec.10.0 sec.9.8 sec.11.1 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.9m (3ft)1.5m (4.9ft)2.0m (6.6ft)1.6m (5.2ft)1.0m (3.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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