Sea weather in Nichinan in Japan All the beach weather in Nichinan

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

Discover the best moment to go to the beach in Nichinan in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Nichinan. 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 202550°F to 63°Fdiscouraged
Sunday 14 December 202541°F to 59°Fdiscouraged
Monday 15 December 202543°F to 50°Frecommended
Tuesday 16 December 202545°F to 52°Frecommended
Wednesday 17 December 202549°F to 61°Frecommended
Thursday 18 December 202552°F to 58°Fdiscouraged
Friday 19 December 202554°F to 63°Frecommended

Sea Weather: Your daily and hourly sea weather in Nichinan

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 07:05 and will set at 17:12 on the beach(es) of Nichinan. The outside temperature will be a high of 63°F t and a low of 50°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 18mph km/h (with gusts up to 25.5mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)10°C (51°F)11°C (52°F)13°C (55°F)14°C (56°F)15°C (60°F)15°C (58°F)16°C (61°F)
Perceived temperature8°C (46°F)7°C (45°F)9°C (48°F)11°C (51°F)12°C (54°F)15°C (60°F)13°C (56°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%79%80%80%80%73%86%90%
Barometric pressure1026 hPa1025 hPa1024 hPa1024 hPa1022 hPa1018 hPa1017 hPa1014 hPa
Cloud cover8%74%66%89%100%100%100%100%
Heat index11°C (52°F)10°C (51°F)11°C (52°F)13°C (55°F)14°C (56°F)15°C (60°F)15°C (58°F)16°C (61°F)
Dew point6°C (43°F)7°C (45°F)8°C (46°F)9°C (48°F)10°C (50°F)11°C (51°F)12°C (54°F)14°C (58°F)
Wind
Speed29km/h (18mph)25km/h (15mph)22km/h (13mph)19km/h (12mph)13km/h (8mph)22km/h (14mph)19km/h (12mph)18km/h (11mph)
Gusts41km/h (25mph)36km/h (22mph)30km/h (19mph)25km/h (15mph)18km/h (11mph)31km/h (19mph)28km/h (18mph)26km/h (16mph)
Direction 21°
NNE
27°
NNE
26°
NNE
39°
NE
99°
E
105°
ESE
111°
ESE
148°
SSE
Wind chill8°C (46°F)7°C (45°F)9°C (48°F)11°C (51°F)12°C (54°F)15°C (60°F)13°C (56°F)16°C (61°F)
Waves
Height2.2m (7.1ft)2.0m (6.7ft)2.1m (6.8ft)2.0m (6.4ft)1.9m (6.1ft)1.9m (6.1ft)1.7m (5.7ft)1.8m (5.9ft)
Direction 59°
ENE
69°
ENE
74°
ENE
72°
ENE
78°
ENE
80°
E
78°
ENE
91°
E
Period10.9 sec.9.7 sec.14.8 sec.10.0 sec.10.0 sec.13.4 sec.9.8 sec.10.0 sec.
Significant height1.6m (5.2ft)1.3m (4.3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
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 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:06 and will set at 17:12 on the beach(es) of Nichinan. The outside temperature will be a high of 59°F t and a low of 41°F. Precipitation is in the forecast (0.2in 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 14.9mph km/h (with gusts up to 21.1mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)14°C (58°F)11°C (52°F)11°C (51°F)11°C (51°F)11°C (52°F)8°C (46°F)8°C (46°F)
Perceived temperature14°C (57°F)13°C (55°F)9°C (48°F)8°C (47°F)8°C (46°F)9°C (48°F)5°C (41°F)5°C (42°F)
Precipitation0.2in0in0in0in0in0in0in0in
Humidity94%84%77%72%65%54%66%69%
Barometric pressure1013 hPa1011 hPa1013 hPa1016 hPa1017 hPa1017 hPa1019 hPa1020 hPa
Cloud cover98%31%3%72%89%19%6%0%
Heat index15°C (59°F)14°C (58°F)11°C (52°F)11°C (51°F)11°C (51°F)11°C (52°F)8°C (46°F)8°C (46°F)
Dew point14°C (57°F)12°C (53°F)7°C (45°F)6°C (43°F)4°C (40°F)2°C (36°F)2°C (36°F)3°C (37°F)
Wind
Speed12km/h (8mph)23km/h (15mph)23km/h (14mph)23km/h (14mph)24km/h (15mph)23km/h (15mph)18km/h (11mph)14km/h (9mph)
Gusts18km/h (11mph)34km/h (21mph)32km/h (20mph)28km/h (17mph)31km/h (19mph)32km/h (20mph)33km/h (21mph)23km/h (14mph)
Direction 255°
WSW
283°
WNW
304°
WNW
308°
NW
305°
NW
311°
NW
304°
WNW
302°
WNW
Wind chill14°C (57°F)13°C (55°F)9°C (48°F)8°C (47°F)8°C (46°F)9°C (48°F)5°C (41°F)5°C (42°F)
Waves
Height2.1m (6.8ft)2.2m (7.3ft)2.0m (6.7ft)1.7m (5.7ft)1.4m (4.7ft)1.2m (3.9ft)1.0m (3.4ft)0.9m (3.0ft)
Direction 111°
ESE
124°
SE
125°
SE
121°
ESE
125°
SE
117°
ESE
86°
E
86°
E
Period12.2 sec.7.6 sec.7.9 sec.7.6 sec.7.2 sec.11.6 sec.11.8 sec.11.6 sec.
Significant height1.2m (3.9ft)1.4m (4.6ft)1.5m (4.9ft)1.6m (5.2ft)1.5m (4.9ft)1.1m (3.6ft)1.1m (3.6ft)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 Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:06 and will set at 17:12 on the beach(es) of Nichinan. The outside temperature will be a high of 50°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 9.3mph km/h (with gusts up to 14.9mph). Wave height will be up to 2.6ft 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)9°C (48°F)10°C (49°F)10°C (50°F)6°C (43°F)9°C (47°F)
Perceived temperature5°C (41°F)4°C (40°F)5°C (41°F)8°C (46°F)8°C (47°F)10°C (50°F)5°C (41°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%70%67%59%46%45%59%65%
Barometric pressure1021 hPa1022 hPa1023 hPa1025 hPa1024 hPa1023 hPa1024 hPa1025 hPa
Cloud cover0%2%10%0%0%0%0%0%
Heat index7°C (45°F)7°C (45°F)7°C (44°F)9°C (48°F)10°C (49°F)10°C (50°F)6°C (43°F)9°C (47°F)
Dew point2°C (36°F)2°C (36°F)1°C (34°F)1°C (35°F)-1°C (29°F)-2°C (29°F)-1°C (30°F)2°C (36°F)
Wind
Speed13km/h (8mph)15km/h (9mph)11km/h (7mph)10km/h (6mph)8km/h (5mph)2km/h (1mph)8km/h (5mph)9km/h (6mph)
Gusts22km/h (13mph)24km/h (15mph)18km/h (11mph)12km/h (8mph)15km/h (9mph)4km/h (2mph)16km/h (10mph)17km/h (10mph)
Direction 301°
WNW
307°
NW
309°
NW
314°
NW
319°
NW
300°
WNW
286°
WNW
302°
WNW
Wind chill5°C (41°F)4°C (40°F)5°C (41°F)8°C (46°F)8°C (47°F)10°C (50°F)5°C (41°F)7°C (45°F)
Waves
Height0.8m (2.8ft)0.8m (2.5ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.4ft)
Direction 88°
E
89°
E
91°
E
92°
E
96°
E
98°
E
99°
E
100°
E
Period11.1 sec.11.1 sec.10.8 sec.10.5 sec.10.3 sec.10.4 sec.10.4 sec.10.2 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.7m (2.3ft)1.0m (3.3ft)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 07:07 and will set at 17:13 on the beach(es) of Nichinan. 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 5mph km/h (with gusts up to 9.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)8°C (46°F)7°C (45°F)9°C (49°F)11°C (52°F)11°C (51°F)7°C (45°F)10°C (50°F)
Perceived temperature7°C (44°F)6°C (43°F)6°C (42°F)9°C (48°F)11°C (52°F)11°C (52°F)7°C (45°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%67%64%54%43%45%57%65%
Barometric pressure1024 hPa1024 hPa1024 hPa1025 hPa1023 hPa1022 hPa1023 hPa1024 hPa
Cloud cover0%0%0%0%0%0%0%5%
Heat index8°C (47°F)8°C (46°F)7°C (45°F)9°C (49°F)11°C (52°F)11°C (51°F)7°C (45°F)10°C (50°F)
Dew point2°C (36°F)2°C (35°F)1°C (34°F)1°C (33°F)-1°C (30°F)-1°C (30°F)-1°C (31°F)4°C (39°F)
Wind
Speed8km/h (5mph)7km/h (4mph)8km/h (5mph)5km/h (3mph)3km/h (2mph)3km/h (2mph)1km/h (0mph)5km/h (3mph)
Gusts15km/h (9mph)14km/h (8mph)14km/h (9mph)8km/h (5mph)5km/h (3mph)7km/h (4mph)2km/h (1mph)9km/h (6mph)
Direction 310°
NW
296°
WNW
295°
WNW
302°
WNW
351°
N
68°
ENE
47°
NE
307°
NW
Wind chill7°C (44°F)6°C (43°F)6°C (42°F)9°C (48°F)11°C (52°F)11°C (52°F)7°C (45°F)10°C (50°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)
Direction 102°
ESE
103°
ESE
105°
ESE
105°
ESE
106°
ESE
108°
ESE
108°
ESE
108°
ESE
Period10.0 sec.9.8 sec.9.7 sec.9.6 sec.9.6 sec.9.5 sec.9.4 sec.9.3 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:08 and will set at 17:13 on the beach(es) of Nichinan. The outside temperature will be a high of 61°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 13.1mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)9°C (48°F)10°C (49°F)12°C (53°F)15°C (59°F)15°C (59°F)13°C (56°F)14°C (56°F)
Perceived temperature8°C (47°F)8°C (46°F)9°C (48°F)12°C (53°F)14°C (58°F)14°C (57°F)13°C (55°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%70%70%64%60%69%84%86%
Barometric pressure1023 hPa1023 hPa1022 hPa1022 hPa1019 hPa1018 hPa1018 hPa1018 hPa
Cloud cover0%0%17%40%44%100%74%73%
Heat index9°C (49°F)9°C (48°F)10°C (49°F)12°C (53°F)15°C (59°F)15°C (59°F)13°C (56°F)14°C (56°F)
Dew point4°C (40°F)4°C (39°F)4°C (40°F)5°C (42°F)7°C (45°F)9°C (49°F)11°C (51°F)11°C (52°F)
Wind
Speed8km/h (5mph)8km/h (5mph)6km/h (4mph)3km/h (2mph)12km/h (7mph)14km/h (9mph)8km/h (5mph)10km/h (6mph)
Gusts14km/h (9mph)15km/h (10mph)12km/h (7mph)4km/h (2mph)15km/h (9mph)21km/h (13mph)13km/h (8mph)17km/h (10mph)
Direction 297°
WNW
295°
WNW
317°
NW
269°
W
194°
SSW
222°
SW
258°
WSW
269°
W
Wind chill8°C (47°F)8°C (46°F)9°C (48°F)12°C (53°F)14°C (58°F)14°C (57°F)13°C (55°F)13°C (55°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.7m (2.3ft)0.9m (2.9ft)1.0m (3.2ft)0.8m (2.8ft)
Direction 107°
ESE
107°
ESE
107°
ESE
107°
ESE
106°
ESE
106°
ESE
106°
ESE
105°
ESE
Period9.2 sec.9.0 sec.8.9 sec.8.9 sec.8.8 sec.8.8 sec.8.8 sec.8.8 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.6m (2ft)0.7m (2.3ft)1.1m (3.6ft)1.3m (4.3ft)1.1m (3.6ft)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 07:08 and will set at 17:13 on the beach(es) of Nichinan. The outside temperature will be a high of 58°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 13.1mph km/h (with gusts up to 23mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (55°F)11°C (52°F)12°C (54°F)14°C (58°F)14°C (57°F)12°C (54°F)13°C (55°F)
Perceived temperature12°C (54°F)11°C (52°F)10°C (50°F)11°C (52°F)14°C (56°F)13°C (55°F)10°C (50°F)11°C (51°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%85%84%79%65%58%68%70%
Barometric pressure1018 hPa1020 hPa1021 hPa1024 hPa1023 hPa1023 hPa1024 hPa1025 hPa
Cloud cover85%88%0%82%89%12%20%29%
Heat index13°C (56°F)13°C (55°F)11°C (52°F)12°C (54°F)14°C (58°F)14°C (57°F)12°C (54°F)13°C (55°F)
Dew point11°C (52°F)10°C (50°F)9°C (48°F)9°C (47°F)8°C (46°F)6°C (43°F)7°C (44°F)7°C (45°F)
Wind
Speed9km/h (6mph)13km/h (8mph)9km/h (6mph)10km/h (6mph)13km/h (8mph)18km/h (11mph)21km/h (13mph)19km/h (12mph)
Gusts16km/h (10mph)22km/h (14mph)16km/h (10mph)14km/h (9mph)16km/h (10mph)26km/h (16mph)37km/h (23mph)31km/h (19mph)
Direction 313°
NW

N
314°
NW
352°
N
37°
NE
42°
NE
42°
NE
30°
NNE
Wind chill12°C (54°F)11°C (52°F)10°C (50°F)11°C (52°F)14°C (56°F)13°C (55°F)10°C (50°F)11°C (51°F)
Waves
Height0.7m (2.4ft)0.7m (2.2ft)0.6m (2.0ft)0.8m (2.8ft)1.4m (4.6ft)1.6m (5.4ft)1.7m (5.5ft)1.8m (6.0ft)
Direction 104°
ESE
107°
ESE
106°
ESE
104°
ESE
38°
NE
34°
NNE
35°
NE
63°
ENE
Period8.7 sec.8.6 sec.8.6 sec.9.3 sec.9.6 sec.9.5 sec.9.6 sec.17.9 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)1.2m (3.9ft)1.4m (4.6ft)1.4m (4.6ft)1.2m (3.9ft)
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 07:09 and will set at 17:14 on the beach(es) of Nichinan. The outside temperature will be a high of 63°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 11.2mph km/h (with gusts up to 18mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)12°C (53°F)12°C (54°F)14°C (58°F)16°C (60°F)17°C (62°F)15°C (59°F)15°C (59°F)
Perceived temperature10°C (49°F)10°C (49°F)11°C (51°F)13°C (56°F)16°C (60°F)17°C (62°F)14°C (57°F)14°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%74%71%69%62%70%80%
Barometric pressure1025 hPa1025 hPa1025 hPa1026 hPa1025 hPa1024 hPa1025 hPa1025 hPa
Cloud cover87%66%29%79%100%71%61%100%
Heat index12°C (53°F)12°C (53°F)12°C (54°F)14°C (58°F)16°C (60°F)17°C (62°F)15°C (59°F)15°C (59°F)
Dew point8°C (47°F)8°C (46°F)8°C (46°F)9°C (48°F)10°C (50°F)9°C (49°F)9°C (49°F)11°C (52°F)
Wind
Speed18km/h (11mph)17km/h (11mph)16km/h (10mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)15km/h (10mph)18km/h (11mph)
Gusts28km/h (17mph)29km/h (18mph)28km/h (17mph)24km/h (15mph)26km/h (16mph)26km/h (16mph)29km/h (18mph)29km/h (18mph)
Direction 14°
NNE
10°
N
15°
NNE
36°
NE
72°
ENE
73°
ENE
56°
ENE
42°
NE
Wind chill10°C (49°F)10°C (49°F)11°C (51°F)13°C (56°F)16°C (60°F)17°C (62°F)14°C (57°F)14°C (56°F)
Waves
Height1.7m (5.4ft)1.4m (4.5ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.7ft)1.1m (3.5ft)1.1m (3.5ft)
Direction 64°
ENE
63°
ENE
78°
ENE
78°
ENE
73°
ENE
76°
ENE
72°
ENE
98°
E
Period9.5 sec.9.2 sec.9.3 sec.7.5 sec.9.4 sec.9.7 sec.9.7 sec.9.7 sec.
Significant height1.1m (3.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
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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