Sea weather in Nanao in Japan All the beach weather in Nanao

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

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

Date Outside temp. Our opinion
Friday 5 December 202541°F to 47°Fnot recommended
Saturday 6 December 202541°F to 50°Fdiscouraged
Sunday 7 December 202547°F to 56°Fdiscouraged
Monday 8 December 202549°F to 56°Fnot recommended
Tuesday 9 December 202543°F to 49°Fdiscouraged
Wednesday 10 December 202543°F to 50°Frecommended
Thursday 11 December 202549°F to 54°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Nanao

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:50 and will set at 16:35 on the beach(es) of Nanao. The outside temperature will be a high of 47°F t and a low of 41°F. Precipitation is in the forecast (0.5in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 30.5mph km/h (with gusts up to 38.5mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)6°C (42°F)6°C (42°F)5°C (42°F)7°C (45°F)6°C (43°F)6°C (43°F)
Perceived temperature3°C (37°F)3°C (37°F)1°C (34°F)2°C (36°F)1°C (34°F)3°C (38°F)3°C (37°F)3°C (38°F)
Precipitation0in0in0.1in0.3in0in0in0in0in
Humidity76%63%92%90%89%64%65%70%
Barometric pressure1016 hPa1017 hPa1016 hPa1015 hPa1019 hPa1020 hPa1023 hPa1024 hPa
Cloud cover100%100%100%100%95%100%77%70%
Heat index8°C (46°F)8°C (46°F)6°C (42°F)6°C (42°F)5°C (42°F)7°C (45°F)6°C (43°F)6°C (43°F)
Dew point4°C (39°F)1°C (34°F)4°C (40°F)4°C (39°F)4°C (38°F)1°C (34°F)0°C (32°F)1°C (34°F)
Wind
Speed49km/h (30mph)35km/h (22mph)24km/h (15mph)16km/h (10mph)24km/h (15mph)25km/h (16mph)18km/h (11mph)13km/h (8mph)
Gusts62km/h (39mph)48km/h (30mph)33km/h (21mph)25km/h (15mph)33km/h (20mph)37km/h (23mph)26km/h (16mph)18km/h (11mph)
Direction 275°
W
285°
WNW
275°
W
259°
W
334°
NNW
304°
NW
289°
WNW
229°
SW
Wind chill3°C (37°F)3°C (37°F)1°C (34°F)2°C (36°F)1°C (34°F)3°C (38°F)3°C (37°F)3°C (38°F)
Waves
Height1.2m (3.9ft)1.2m (3.8ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.2ft)0.9m (3.0ft)0.8m (2.8ft)
Direction 351°
N
350°
N
347°
NNW
352°
N
354°
N
352°
N
350°
N
349°
N
Period9.3 sec.9.4 sec.9.5 sec.9.1 sec.9.0 sec.8.8 sec.8.5 sec.8.2 sec.
Significant height1.7m (5.6ft)1.0m (3.3ft)0.2m (0.7ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:51 and will set at 16:35 on the beach(es) of Nanao. 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 13.7mph km/h (with gusts up to 20.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)5°C (42°F)5°C (41°F)6°C (43°F)6°C (43°F)9°C (49°F)9°C (48°F)9°C (47°F)
Perceived temperature3°C (37°F)2°C (35°F)1°C (34°F)2°C (36°F)3°C (38°F)7°C (45°F)6°C (43°F)5°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%72%70%64%55%57%64%68%
Barometric pressure1023 hPa1024 hPa1025 hPa1025 hPa1023 hPa1022 hPa1022 hPa1022 hPa
Cloud cover89%0%5%0%2%27%33%0%
Heat index6°C (43°F)5°C (42°F)5°C (41°F)6°C (43°F)6°C (43°F)9°C (49°F)9°C (48°F)9°C (47°F)
Dew point2°C (35°F)1°C (33°F)0°C (32°F)-0°C (32°F)-2°C (28°F)1°C (35°F)2°C (36°F)3°C (37°F)
Wind
Speed16km/h (10mph)18km/h (11mph)21km/h (13mph)20km/h (13mph)14km/h (9mph)15km/h (9mph)17km/h (11mph)22km/h (14mph)
Gusts22km/h (13mph)24km/h (15mph)28km/h (17mph)26km/h (16mph)26km/h (16mph)22km/h (14mph)28km/h (17mph)33km/h (20mph)
Direction 195°
SSW
191°
SSW
190°
S
184°
S
197°
SSW
211°
SSW
205°
SSW
203°
SSW
Wind chill3°C (37°F)2°C (35°F)1°C (34°F)2°C (36°F)3°C (38°F)7°C (45°F)6°C (43°F)5°C (42°F)
Waves
Height0.8m (2.6ft)0.8m (2.5ft)0.7m (2.3ft)0.6m (2.1ft)0.5m (1.8ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)
Direction 349°
NNW
349°
NNW
348°
NNW
349°
NNW
349°
N
349°
NNW
348°
NNW
351°
N
Period8.3 sec.8.5 sec.8.8 sec.7.9 sec.7.4 sec.7.3 sec.7.2 sec.6.8 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:52 and will set at 16:35 on the beach(es) of Nanao. The outside temperature will be a high of 56°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 19.9mph km/h (with gusts up to 29.2mph). 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)9°C (48°F)9°C (49°F)11°C (51°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)
Perceived temperature4°C (39°F)5°C (42°F)6°C (42°F)7°C (45°F)10°C (50°F)9°C (49°F)9°C (49°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%57%60%66%62%70%71%72%
Barometric pressure1021 hPa1020 hPa1020 hPa1021 hPa1019 hPa1019 hPa1020 hPa1019 hPa
Cloud cover33%47%63%80%92%88%88%89%
Heat index8°C (46°F)9°C (48°F)9°C (49°F)11°C (51°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)
Dew point2°C (35°F)1°C (34°F)2°C (36°F)4°C (40°F)5°C (41°F)7°C (44°F)7°C (45°F)8°C (46°F)
Wind
Speed28km/h (18mph)27km/h (17mph)30km/h (19mph)32km/h (20mph)28km/h (17mph)29km/h (18mph)30km/h (19mph)31km/h (19mph)
Gusts41km/h (25mph)38km/h (24mph)44km/h (27mph)42km/h (26mph)38km/h (23mph)42km/h (26mph)45km/h (28mph)47km/h (29mph)
Direction 196°
SSW
221°
SW
210°
SSW
207°
SSW
208°
SSW
221°
SW
217°
SW
209°
SSW
Wind chill4°C (39°F)5°C (42°F)6°C (42°F)7°C (45°F)10°C (50°F)9°C (49°F)9°C (49°F)10°C (49°F)
Waves
Height0.5m (1.5ft)0.6m (1.9ft)0.7m (2.2ft)0.6m (2.1ft)0.7m (2.2ft)0.8m (2.5ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 188°
S
213°
SSW
212°
SSW
235°
SW
232°
SW
230°
SW
223°
SW
219°
SW
Period6.7 sec.6.8 sec.6.4 sec.10.4 sec.5.5 sec.11.4 sec.11.5 sec.10.8 sec.
Significant height0.8m (2.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.1m (3.6ft)1.3m (4.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:53 and will set at 16:35 on the beach(es) of Nanao. The outside temperature will be a high of 56°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! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 34.8mph). 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)12°C (54°F)13°C (55°F)13°C (56°F)13°C (55°F)12°C (53°F)11°C (51°F)10°C (49°F)
Perceived temperature9°C (49°F)9°C (49°F)9°C (49°F)10°C (50°F)9°C (49°F)8°C (47°F)8°C (46°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%77%74%71%60%54%58%67%
Barometric pressure1018 hPa1018 hPa1018 hPa1018 hPa1018 hPa1020 hPa1021 hPa1022 hPa
Cloud cover70%83%57%100%100%65%59%79%
Heat index12°C (54°F)12°C (54°F)13°C (55°F)13°C (56°F)13°C (55°F)12°C (53°F)11°C (51°F)10°C (49°F)
Dew point8°C (46°F)8°C (47°F)8°C (46°F)8°C (46°F)5°C (41°F)3°C (37°F)3°C (37°F)4°C (39°F)
Wind
Speed31km/h (19mph)35km/h (22mph)37km/h (23mph)42km/h (26mph)42km/h (26mph)36km/h (22mph)26km/h (16mph)29km/h (18mph)
Gusts45km/h (28mph)50km/h (31mph)53km/h (33mph)56km/h (35mph)56km/h (35mph)50km/h (31mph)39km/h (24mph)42km/h (26mph)
Direction 211°
SSW
215°
SW
212°
SSW
223°
SW
272°
W
265°
W
254°
WSW
292°
WNW
Wind chill9°C (49°F)9°C (49°F)9°C (49°F)10°C (50°F)9°C (49°F)8°C (47°F)8°C (46°F)6°C (43°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.7ft)1.0m (3.2ft)1.0m (3.2ft)0.9m (2.9ft)0.8m (2.7ft)0.6m (1.9ft)
Direction 212°
SSW
210°
SSW
187°
S
203°
SSW
224°
SW
274°
W
284°
WNW
299°
WNW
Period5.7 sec.5.5 sec.5.9 sec.5.9 sec.5.6 sec.11.0 sec.11.3 sec.6.4 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:54 and will set at 16:35 on the beach(es) of Nanao. 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 17.4mph km/h (with gusts up to 21.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (46°F)8°C (46°F)6°C (43°F)7°C (45°F)8°C (47°F)7°C (45°F)7°C (45°F)
Perceived temperature5°C (41°F)4°C (40°F)5°C (41°F)4°C (39°F)4°C (39°F)5°C (41°F)4°C (40°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%68%63%79%70%54%50%52%
Barometric pressure1023 hPa1024 hPa1025 hPa1026 hPa1026 hPa1026 hPa1028 hPa1028 hPa
Cloud cover99%94%67%100%83%81%74%88%
Heat index9°C (48°F)8°C (46°F)8°C (46°F)6°C (43°F)7°C (45°F)8°C (47°F)7°C (45°F)7°C (45°F)
Dew point4°C (39°F)2°C (36°F)1°C (34°F)3°C (37°F)2°C (36°F)-1°C (31°F)-3°C (27°F)-2°C (28°F)
Wind
Speed28km/h (17mph)24km/h (15mph)14km/h (9mph)12km/h (7mph)19km/h (12mph)22km/h (14mph)13km/h (8mph)3km/h (2mph)
Gusts35km/h (22mph)30km/h (19mph)19km/h (12mph)15km/h (10mph)25km/h (16mph)29km/h (18mph)21km/h (13mph)4km/h (2mph)
Direction 312°
NW
317°
NW
296°
WNW
302°
WNW
325°
NW
331°
NNW
341°
NNW
137°
SE
Wind chill5°C (41°F)4°C (40°F)5°C (41°F)4°C (39°F)4°C (39°F)5°C (41°F)4°C (40°F)7°C (45°F)
Waves
Height0.6m (1.9ft)0.8m (2.5ft)0.9m (3.0ft)0.9m (3.0ft)0.8m (2.8ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.3ft)
Direction 353°
N
355°
N
356°
N
357°
N
358°
N
357°
N
352°
N
354°
N
Period6.4 sec.6.3 sec.6.3 sec.6.7 sec.6.7 sec.6.7 sec.6.1 sec.6.8 sec.
Significant height0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:54 and will set at 16:35 on the beach(es) of Nanao. 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 12.4mph km/h (with gusts up to 18mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (43°F)7°C (45°F)9°C (48°F)10°C (50°F)10°C (50°F)10°C (50°F)
Perceived temperature4°C (40°F)3°C (38°F)4°C (38°F)4°C (39°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%69%63%58%52%56%58%60%
Barometric pressure1028 hPa1028 hPa1028 hPa1027 hPa1026 hPa1025 hPa1025 hPa1025 hPa
Cloud cover78%3%2%5%62%46%100%15%
Heat index7°C (44°F)6°C (43°F)6°C (43°F)7°C (45°F)9°C (48°F)10°C (50°F)10°C (50°F)10°C (50°F)
Dew point1°C (33°F)1°C (34°F)-0°C (32°F)-1°C (31°F)-0°C (32°F)2°C (35°F)2°C (36°F)2°C (36°F)
Wind
Speed12km/h (7mph)14km/h (9mph)14km/h (9mph)17km/h (11mph)16km/h (10mph)18km/h (11mph)18km/h (11mph)20km/h (13mph)
Gusts16km/h (10mph)20km/h (13mph)20km/h (12mph)22km/h (14mph)21km/h (13mph)26km/h (16mph)27km/h (17mph)29km/h (18mph)
Direction 189°
S
194°
SSW
183°
S
189°
S
222°
SW
234°
SW
239°
WSW
216°
SW
Wind chill4°C (40°F)3°C (38°F)4°C (38°F)4°C (39°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (45°F)
Waves
Height0.7m (2.3ft)0.7m (2.4ft)0.7m (2.5ft)0.8m (2.5ft)0.7m (2.4ft)0.7m (2.2ft)0.6m (2.0ft)0.6m (1.9ft)
Direction 357°
N
358°
N
358°
N
358°
N
358°
N
359°
N

N

N
Period7.8 sec.7.7 sec.7.9 sec.8.2 sec.8.3 sec.8.2 sec.8.0 sec.8.0 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:55 and will set at 16:35 on the beach(es) of Nanao. The outside temperature will be a high of 54°F t and a low of 49°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 16.8mph km/h (with gusts up to 23.6mph). 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)9°C (49°F)10°C (50°F)11°C (52°F)12°C (53°F)12°C (53°F)12°C (53°F)11°C (52°F)
Perceived temperature6°C (43°F)6°C (43°F)7°C (45°F)9°C (48°F)9°C (48°F)9°C (49°F)9°C (48°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%61%53%68%70%71%74%77%
Barometric pressure1024 hPa1024 hPa1023 hPa1023 hPa1022 hPa1022 hPa1023 hPa1022 hPa
Cloud cover97%100%100%100%76%70%58%100%
Heat index10°C (49°F)9°C (49°F)10°C (50°F)11°C (52°F)12°C (53°F)12°C (53°F)12°C (53°F)11°C (52°F)
Dew point3°C (38°F)2°C (36°F)1°C (33°F)5°C (42°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (45°F)
Wind
Speed26km/h (16mph)27km/h (17mph)21km/h (13mph)21km/h (13mph)23km/h (15mph)24km/h (15mph)21km/h (13mph)19km/h (12mph)
Gusts37km/h (23mph)38km/h (24mph)30km/h (18mph)29km/h (18mph)32km/h (20mph)37km/h (23mph)33km/h (20mph)33km/h (20mph)
Direction 213°
SSW
192°
SSW
223°
SW
233°
SW
223°
SW
248°
WSW
264°
W
227°
SW
Wind chill6°C (43°F)6°C (43°F)7°C (45°F)9°C (48°F)9°C (48°F)9°C (49°F)9°C (48°F)9°C (48°F)
Waves
Height0.6m (1.8ft)0.5m (1.8ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (2.0ft)0.7m (2.2ft)0.5m (1.5ft)0.3m (1.1ft)
Direction
N

N

N

N

N
245°
WSW

N

N
Period8.0 sec.7.9 sec.7.6 sec.7.4 sec.7.3 sec.7.4 sec.7.7 sec.7.6 sec.
Significant height0.2m (0.7ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.4m (1.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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