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
Monday 15 December 202541°F to 50°Frecommended
Tuesday 16 December 202545°F to 52°Frecommended
Wednesday 17 December 202550°F to 61°Frecommended
Thursday 18 December 202549°F to 59°Frecommended
Friday 19 December 202554°F to 63°Frecommended
Saturday 20 December 202558°F to 65°Frecommended
Sunday 21 December 202561°F to 65°Frecommended

Sea Weather: Your daily and hourly sea weather in Nichinan

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 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 11.2mph km/h (with gusts up to 16.8mph). 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 (45°F)9°C (48°F)9°C (48°F)9°C (48°F)6°C (43°F)9°C (48°F)
Perceived temperature5°C (41°F)4°C (40°F)4°C (39°F)7°C (44°F)9°C (47°F)9°C (48°F)6°C (43°F)8°C (47°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%71%66%57%45%46%58%61%
Barometric pressure1020 hPa1022 hPa1023 hPa1024 hPa1023 hPa1023 hPa1024 hPa1024 hPa
Cloud cover0%0%0%0%0%0%0%0%
Heat index7°C (45°F)7°C (45°F)7°C (45°F)9°C (48°F)9°C (48°F)9°C (48°F)6°C (43°F)9°C (48°F)
Dew point3°C (37°F)3°C (37°F)1°C (34°F)1°C (34°F)-2°C (28°F)-2°C (29°F)-2°C (29°F)2°C (35°F)
Wind
Speed14km/h (9mph)18km/h (11mph)17km/h (10mph)15km/h (10mph)5km/h (3mph)3km/h (2mph)1km/h (1mph)5km/h (3mph)
Gusts22km/h (14mph)27km/h (17mph)27km/h (17mph)20km/h (12mph)10km/h (6mph)5km/h (3mph)3km/h (2mph)10km/h (6mph)
Direction 301°
WNW
313°
NW
319°
NW
325°
NW
348°
NNW
139°
SE
197°
SSW
285°
WNW
Wind chill5°C (41°F)4°C (40°F)4°C (39°F)7°C (44°F)9°C (47°F)9°C (48°F)6°C (43°F)8°C (47°F)
Waves
Height0.7m (2.4ft)0.7m (2.3ft)0.6m (2.1ft)0.7m (2.2ft)0.7m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)
Direction 88°
E
88°
E
89°
E
90°
E
94°
E
97°
E
100°
E
101°
ESE
Period11.2 sec.11.1 sec.11.2 sec.10.9 sec.10.3 sec.9.8 sec.9.8 sec.9.8 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.1m (3.6ft)0.8m (2.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°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 5.6mph km/h (with gusts up to 10.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)7°C (45°F)10°C (49°F)11°C (51°F)11°C (52°F)8°C (46°F)10°C (50°F)
Perceived temperature7°C (44°F)6°C (43°F)5°C (41°F)9°C (47°F)11°C (52°F)11°C (52°F)8°C (46°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%64%63%60%46%48%62%69%
Barometric pressure1024 hPa1024 hPa1024 hPa1025 hPa1023 hPa1022 hPa1024 hPa1024 hPa
Cloud cover0%0%1%0%0%0%0%2%
Heat index8°C (46°F)8°C (46°F)7°C (45°F)10°C (49°F)11°C (51°F)11°C (52°F)8°C (46°F)10°C (50°F)
Dew point2°C (36°F)1°C (34°F)1°C (33°F)2°C (36°F)-0°C (32°F)0°C (33°F)1°C (34°F)5°C (40°F)
Wind
Speed9km/h (5mph)8km/h (5mph)9km/h (6mph)7km/h (4mph)4km/h (2mph)3km/h (2mph)3km/h (2mph)8km/h (5mph)
Gusts16km/h (10mph)14km/h (9mph)17km/h (11mph)10km/h (6mph)7km/h (4mph)5km/h (3mph)6km/h (4mph)14km/h (9mph)
Direction 285°
WNW
289°
WNW
296°
WNW
306°
NW
322°
NW

N
343°
NNW
316°
NW
Wind chill7°C (44°F)6°C (43°F)5°C (41°F)9°C (47°F)11°C (52°F)11°C (52°F)8°C (46°F)9°C (48°F)
Waves
Height0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)
Direction 102°
ESE
107°
ESE
108°
ESE
109°
ESE
110°
ESE
107°
ESE
110°
ESE
110°
ESE
Period9.7 sec.9.5 sec.9.4 sec.9.4 sec.9.4 sec.9.5 sec.9.3 sec.8.8 sec.
Significant height0.7m (2.3ft)1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°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 50°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 13.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (49°F)10°C (49°F)12°C (54°F)15°C (58°F)16°C (60°F)15°C (58°F)14°C (56°F)
Perceived temperature9°C (47°F)9°C (48°F)9°C (48°F)13°C (55°F)15°C (59°F)16°C (60°F)14°C (57°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%73%64%56%62%69%85%
Barometric pressure1024 hPa1023 hPa1023 hPa1024 hPa1022 hPa1020 hPa1020 hPa1021 hPa
Cloud cover2%3%5%11%33%55%70%64%
Heat index10°C (49°F)10°C (49°F)10°C (49°F)12°C (54°F)15°C (58°F)16°C (60°F)15°C (58°F)14°C (56°F)
Dew point5°C (40°F)5°C (41°F)5°C (41°F)6°C (42°F)6°C (43°F)8°C (47°F)9°C (48°F)11°C (52°F)
Wind
Speed8km/h (5mph)7km/h (4mph)7km/h (4mph)3km/h (2mph)5km/h (3mph)13km/h (8mph)13km/h (8mph)10km/h (6mph)
Gusts15km/h (9mph)13km/h (8mph)14km/h (8mph)5km/h (3mph)7km/h (4mph)19km/h (12mph)21km/h (13mph)15km/h (9mph)
Direction 305°
NW
292°
WNW
308°
NW
300°
WNW
189°
S
214°
SW
237°
WSW
282°
WNW
Wind chill9°C (47°F)9°C (48°F)9°C (48°F)13°C (55°F)15°C (59°F)16°C (60°F)14°C (57°F)13°C (55°F)
Waves
Height0.6m (1.9ft)0.6m (1.8ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)0.6m (1.9ft)0.7m (2.3ft)0.7m (2.4ft)
Direction 112°
ESE
112°
ESE
111°
ESE
111°
ESE
110°
ESE
110°
ESE
107°
ESE
107°
ESE
Period8.7 sec.8.6 sec.8.5 sec.8.5 sec.8.5 sec.8.6 sec.8.7 sec.8.8 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)1.0m (3.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°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 59°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 11.2mph km/h (with gusts up to 16.8mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)12°C (54°F)12°C (53°F)14°C (56°F)15°C (58°F)14°C (58°F)9°C (48°F)12°C (54°F)
Perceived temperature12°C (53°F)11°C (52°F)10°C (51°F)12°C (53°F)13°C (56°F)13°C (56°F)7°C (45°F)11°C (52°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%86%84%80%67%65%74%75%
Barometric pressure1021 hPa1022 hPa1023 hPa1024 hPa1024 hPa1023 hPa1024 hPa1025 hPa
Cloud cover50%9%76%75%28%16%0%0%
Heat index13°C (55°F)12°C (54°F)12°C (53°F)14°C (56°F)15°C (58°F)14°C (58°F)9°C (48°F)12°C (54°F)
Dew point11°C (51°F)10°C (49°F)9°C (49°F)10°C (50°F)9°C (47°F)8°C (46°F)5°C (40°F)8°C (46°F)
Wind
Speed11km/h (7mph)11km/h (7mph)13km/h (8mph)18km/h (11mph)18km/h (11mph)15km/h (9mph)13km/h (8mph)11km/h (7mph)
Gusts18km/h (11mph)19km/h (12mph)23km/h (14mph)24km/h (15mph)22km/h (14mph)22km/h (14mph)27km/h (17mph)20km/h (12mph)
Direction 317°
NW
345°
NNW

N
23°
NNE
32°
NNE
38°
NE
22°
NNE
17°
NNE
Wind chill12°C (53°F)11°C (52°F)10°C (51°F)12°C (53°F)13°C (56°F)13°C (56°F)7°C (45°F)11°C (52°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.4ft)1.0m (3.4ft)1.2m (3.9ft)1.1m (3.6ft)0.9m (2.9ft)0.9m (3.0ft)
Direction 106°
ESE
106°
ESE
105°
ESE
39°
NE
37°
NE
37°
NE
104°
ESE
105°
ESE
Period4.2 sec.8.7 sec.8.0 sec.9.8 sec.9.7 sec.9.5 sec.9.4 sec.9.3 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°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 16.2mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)12°C (54°F)13°C (55°F)15°C (58°F)17°C (62°F)17°C (63°F)14°C (57°F)14°C (57°F)
Perceived temperature10°C (50°F)11°C (51°F)11°C (52°F)13°C (56°F)17°C (62°F)17°C (63°F)13°C (56°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%78%79%76%72%71%84%85%
Barometric pressure1025 hPa1024 hPa1024 hPa1025 hPa1023 hPa1022 hPa1023 hPa1024 hPa
Cloud cover21%48%36%33%67%80%14%20%
Heat index12°C (53°F)12°C (54°F)13°C (55°F)15°C (58°F)17°C (62°F)17°C (63°F)14°C (57°F)14°C (57°F)
Dew point8°C (47°F)8°C (47°F)9°C (48°F)10°C (51°F)12°C (53°F)12°C (53°F)11°C (52°F)12°C (53°F)
Wind
Speed13km/h (8mph)13km/h (8mph)15km/h (9mph)17km/h (11mph)18km/h (11mph)12km/h (8mph)10km/h (6mph)7km/h (4mph)
Gusts23km/h (14mph)22km/h (14mph)26km/h (16mph)23km/h (14mph)23km/h (14mph)17km/h (11mph)20km/h (12mph)12km/h (8mph)
Direction 337°
NNW

N

N

N
22°
NNE
27°
NNE
25°
NNE

N
Wind chill10°C (50°F)11°C (51°F)11°C (52°F)13°C (56°F)17°C (62°F)17°C (63°F)13°C (56°F)14°C (57°F)
Waves
Height1.1m (3.7ft)1.2m (4.0ft)1.2m (3.9ft)1.1m (3.8ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 75°
ENE
76°
ENE
79°
ENE
79°
E
94°
E
95°
E
96°
E
92°
E
Period9.0 sec.9.1 sec.8.6 sec.9.8 sec.6.9 sec.15.1 sec.7.5 sec.6.3 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.3m (4.3ft)0.8m (2.6ft)0.8m (2.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 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 65°F t and a low of 58°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 13.1mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (58°F)15°C (58°F)16°C (61°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)
Perceived temperature14°C (57°F)14°C (58°F)14°C (58°F)16°C (61°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%85%86%83%80%81%86%87%
Barometric pressure1023 hPa1023 hPa1023 hPa1023 hPa1022 hPa1020 hPa1020 hPa1019 hPa
Cloud cover12%29%68%87%100%100%100%100%
Heat index14°C (57°F)14°C (58°F)15°C (58°F)16°C (61°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)
Dew point12°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)14°C (57°F)14°C (58°F)15°C (58°F)15°C (59°F)
Wind
Speed6km/h (4mph)6km/h (4mph)8km/h (5mph)12km/h (8mph)14km/h (9mph)15km/h (9mph)13km/h (8mph)8km/h (5mph)
Gusts11km/h (7mph)11km/h (7mph)14km/h (8mph)17km/h (11mph)19km/h (12mph)21km/h (13mph)20km/h (13mph)11km/h (7mph)
Direction
N
11°
N
23°
NNE
26°
NNE
31°
NNE
26°
NNE
46°
NE
66°
ENE
Wind chill14°C (57°F)14°C (58°F)14°C (58°F)16°C (61°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)
Waves
Height1.1m (3.7ft)1.1m (3.7ft)1.2m (3.9ft)1.3m (4.2ft)1.2m (4.0ft)1.2m (3.9ft)1.1m (3.5ft)1.0m (3.2ft)
Direction 98°
E
96°
E
95°
E
84°
E
71°
ENE
69°
ENE
101°
ESE
100°
E
Period6.8 sec.6.9 sec.9.4 sec.9.1 sec.9.1 sec.8.8 sec.8.5 sec.8.8 sec.
Significant height1.2m (3.9ft)0.7m (2.3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 07:10 and will set at 17:15 on the beach(es) of Nichinan. 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 7.5mph km/h (with gusts up to 11.2mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)16°C (62°F)17°C (62°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (60°F)
Perceived temperature17°C (62°F)16°C (62°F)17°C (62°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (60°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity95%94%91%90%88%85%88%89%
Barometric pressure1016 hPa1015 hPa1013 hPa1013 hPa1010 hPa1008 hPa1008 hPa1009 hPa
Cloud cover100%100%100%100%84%85%40%82%
Heat index17°C (62°F)16°C (62°F)17°C (62°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (60°F)
Dew point16°C (60°F)15°C (60°F)15°C (60°F)16°C (60°F)16°C (60°F)15°C (60°F)15°C (58°F)14°C (57°F)
Wind
Speed12km/h (8mph)12km/h (7mph)9km/h (6mph)9km/h (5mph)8km/h (5mph)6km/h (4mph)6km/h (4mph)11km/h (7mph)
Gusts18km/h (11mph)17km/h (11mph)14km/h (9mph)12km/h (8mph)12km/h (7mph)9km/h (6mph)12km/h (7mph)18km/h (11mph)
Direction
N
360°
N
11°
N

N
12°
NNE
330°
NNW
333°
NNW
292°
WNW
Wind chill17°C (62°F)16°C (62°F)17°C (62°F)17°C (63°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (60°F)
Waves
Height0.9m (3.1ft)1.0m (3.1ft)1.1m (3.6ft)1.2m (4.0ft)1.3m (4.3ft)1.4m (4.5ft)1.5m (4.9ft)1.5m (5.1ft)
Direction 102°
ESE
107°
ESE
115°
ESE
117°
ESE
117°
ESE
117°
ESE
116°
ESE
115°
ESE
Period8.8 sec.8.8 sec.9.0 sec.9.0 sec.8.9 sec.8.9 sec.8.8 sec.9.0 sec.
Significant height0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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