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
Sunday 14 December 202547°F to 54°Fnot recommended
Monday 15 December 202545°F to 49°Fnot recommended
Tuesday 16 December 202543°F to 50°Fdiscouraged
Wednesday 17 December 202543°F to 49°Fdiscouraged
Thursday 18 December 202545°F to 47°Fdiscouraged
Friday 19 December 202545°F to 52°Frecommended
Saturday 20 December 202552°F to 56°Frecommended

Sea Weather: Your daily and hourly sea weather in Nanao

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:57 and will set at 16:36 on the beach(es) of Nanao. The outside temperature will be a high of 54°F t and a low of 47°F. Precipitation is in the forecast (0.2in 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 36mph km/h (with gusts up to 42.9mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)9°C (49°F)9°C (49°F)11°C (52°F)10°C (50°F)9°C (48°F)9°C (48°F)
Perceived temperature7°C (44°F)5°C (42°F)6°C (43°F)6°C (43°F)7°C (45°F)5°C (42°F)4°C (39°F)4°C (39°F)
Precipitation0in0in0.1in0.1in0in0in0in0in
Humidity70%77%83%93%69%69%64%73%
Barometric pressure1014 hPa1010 hPa1006 hPa1004 hPa1003 hPa1004 hPa1006 hPa1007 hPa
Cloud cover58%91%100%100%100%100%96%100%
Heat index9°C (48°F)9°C (48°F)9°C (49°F)9°C (49°F)11°C (52°F)10°C (50°F)9°C (48°F)9°C (48°F)
Dew point3°C (38°F)5°C (41°F)7°C (44°F)8°C (47°F)6°C (42°F)5°C (40°F)3°C (37°F)4°C (40°F)
Wind
Speed12km/h (7mph)30km/h (18mph)21km/h (13mph)21km/h (13mph)52km/h (32mph)48km/h (30mph)56km/h (35mph)58km/h (36mph)
Gusts17km/h (10mph)37km/h (23mph)28km/h (17mph)27km/h (17mph)69km/h (43mph)54km/h (34mph)60km/h (37mph)59km/h (37mph)
Direction 63°
ENE
56°
ENE
82°
E
198°
SSW
255°
WSW
256°
WSW
262°
W
252°
WSW
Wind chill7°C (44°F)5°C (42°F)6°C (43°F)6°C (43°F)7°C (45°F)5°C (42°F)4°C (39°F)4°C (39°F)
Waves
Height0.9m (2.9ft)0.8m (2.8ft)1.0m (3.3ft)0.8m (2.8ft)1.3m (4.3ft)1.3m (4.1ft)1.4m (4.6ft)1.5m (4.9ft)
Direction
N

N

N

N
248°
WSW
261°
W
264°
W
260°
W
Period8.1 sec.8.1 sec.7.9 sec.7.5 sec.7.4 sec.7.2 sec.7.2 sec.10.8 sec.
Significant height0.4m (1.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)2.1m (6.9ft)1.8m (5.9ft)2.0m (6.6ft)2.2m (7.2ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:58 and will set at 16:36 on the beach(es) of Nanao. The outside temperature will be a high of 49°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! Be careful, the sea will be generally rough with a wind speed of up to 29.8mph km/h (with gusts up to 40.4mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)8°C (47°F)8°C (46°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (45°F)7°C (44°F)
Perceived temperature4°C (40°F)4°C (39°F)3°C (38°F)3°C (37°F)3°C (37°F)4°C (39°F)5°C (40°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%68%70%66%63%59%55%60%
Barometric pressure1010 hPa1013 hPa1016 hPa1020 hPa1021 hPa1022 hPa1024 hPa1024 hPa
Cloud cover100%100%93%88%74%86%89%71%
Heat index9°C (48°F)8°C (47°F)8°C (46°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (45°F)7°C (44°F)
Dew point4°C (39°F)3°C (37°F)3°C (37°F)1°C (34°F)1°C (33°F)0°C (32°F)-1°C (29°F)-0°C (31°F)
Wind
Speed48km/h (30mph)43km/h (27mph)37km/h (23mph)35km/h (22mph)30km/h (19mph)24km/h (15mph)13km/h (8mph)10km/h (6mph)
Gusts65km/h (41mph)49km/h (30mph)49km/h (30mph)50km/h (31mph)38km/h (23mph)32km/h (20mph)20km/h (12mph)15km/h (9mph)
Direction 313°
NW
310°
NW
304°
WNW
300°
WNW
290°
WNW
281°
WNW
286°
WNW
216°
SW
Wind chill4°C (40°F)4°C (39°F)3°C (38°F)3°C (37°F)3°C (37°F)4°C (39°F)5°C (40°F)5°C (40°F)
Waves
Height1.3m (4.4ft)1.4m (4.5ft)2.0m (6.5ft)2.1m (7.0ft)1.9m (6.4ft)1.8m (5.9ft)1.7m (5.7ft)1.6m (5.4ft)
Direction 308°
NW
350°
N
357°
N

N

N

N

N

N
Period12.9 sec.14.0 sec.10.7 sec.11.0 sec.10.7 sec.10.1 sec.10.0 sec.10.0 sec.
Significant height1.5m (4.9ft)1.2m (3.9ft)1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:59 and will set at 16:36 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 21.8mph km/h (with gusts up to 31.1mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (44°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (49°F)9°C (49°F)9°C (48°F)10°C (50°F)
Perceived temperature3°C (37°F)2°C (36°F)3°C (37°F)5°C (40°F)6°C (43°F)6°C (42°F)5°C (41°F)7°C (45°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%68%66%61%65%75%81%71%
Barometric pressure1023 hPa1023 hPa1023 hPa1022 hPa1020 hPa1020 hPa1020 hPa1020 hPa
Cloud cover16%24%54%47%96%100%65%64%
Heat index6°C (44°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (49°F)9°C (49°F)9°C (48°F)10°C (50°F)
Dew point1°C (34°F)1°C (33°F)1°C (33°F)1°C (34°F)3°C (38°F)5°C (41°F)6°C (43°F)5°C (41°F)
Wind
Speed18km/h (11mph)23km/h (14mph)26km/h (16mph)28km/h (18mph)30km/h (18mph)33km/h (20mph)35km/h (21mph)27km/h (17mph)
Gusts25km/h (15mph)30km/h (19mph)34km/h (21mph)37km/h (23mph)39km/h (24mph)44km/h (27mph)50km/h (31mph)40km/h (25mph)
Direction 201°
SSW
199°
SSW
196°
SSW
204°
SSW
216°
SW
215°
SW
201°
SSW
211°
SSW
Wind chill3°C (37°F)2°C (36°F)3°C (37°F)5°C (40°F)6°C (43°F)6°C (42°F)5°C (41°F)7°C (45°F)
Waves
Height1.5m (5.0ft)1.4m (4.5ft)1.3m (4.1ft)1.2m (4.0ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.5ft)0.9m (2.9ft)
Direction 11°
NNE
13°
NNE
14°
NNE
11°
NNE
12°
NNE
11°
NNE
11°
N
11°
N
Period9.8 sec.9.7 sec.9.6 sec.9.2 sec.9.1 sec.9.0 sec.8.9 sec.8.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.3m (4.3ft)1.3m (4.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:59 and will set at 16:37 on the beach(es) of Nanao. The outside temperature will be a high of 49°F t and a low of 43°F. Precipitation is in the forecast (0.3in 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 22.4mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)7°C (45°F)6°C (44°F)7°C (45°F)6°C (43°F)6°C (43°F)6°C (42°F)7°C (44°F)
Perceived temperature8°C (46°F)3°C (38°F)3°C (37°F)3°C (37°F)1°C (34°F)1°C (34°F)1°C (33°F)2°C (36°F)
Precipitation0.1in0.1in0in0in0.1in0in0in0in
Humidity84%92%92%92%97%94%95%84%
Barometric pressure1020 hPa1021 hPa1022 hPa1022 hPa1021 hPa1021 hPa1023 hPa1025 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index9°C (48°F)7°C (45°F)6°C (44°F)7°C (45°F)6°C (43°F)6°C (43°F)6°C (42°F)7°C (44°F)
Dew point6°C (43°F)6°C (43°F)5°C (41°F)6°C (42°F)6°C (42°F)5°C (41°F)5°C (41°F)4°C (39°F)
Wind
Speed8km/h (5mph)26km/h (16mph)22km/h (14mph)26km/h (16mph)32km/h (20mph)33km/h (20mph)36km/h (23mph)29km/h (18mph)
Gusts10km/h (6mph)35km/h (22mph)28km/h (17mph)33km/h (21mph)42km/h (26mph)43km/h (27mph)47km/h (29mph)37km/h (23mph)
Direction 300°
WNW
45°
NE
36°
NE
55°
NE
41°
NE
44°
NE
28°
NNE
32°
NNE
Wind chill8°C (46°F)3°C (38°F)3°C (37°F)3°C (37°F)1°C (34°F)1°C (34°F)1°C (33°F)2°C (36°F)
Waves
Height0.9m (2.9ft)1.4m (4.5ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.8ft)1.1m (3.7ft)1.0m (3.4ft)
Direction
N
11°
N

N

N

N

N

N

N
Period8.5 sec.8.5 sec.7.8 sec.8.0 sec.8.4 sec.8.8 sec.8.8 sec.8.8 sec.
Significant height0.7m (2.3ft)1.0m (3.3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:00 and will set at 16:37 on the beach(es) of Nanao. 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 16.2mph km/h (with gusts up to 19.3mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)
Perceived temperature3°C (37°F)4°C (39°F)4°C (39°F)5°C (40°F)5°C (41°F)5°C (40°F)4°C (40°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%71%66%62%60%63%67%67%
Barometric pressure1025 hPa1025 hPa1026 hPa1027 hPa1027 hPa1027 hPa1027 hPa1027 hPa
Cloud cover100%89%83%43%55%24%27%38%
Heat index7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)
Dew point3°C (38°F)2°C (36°F)1°C (35°F)1°C (34°F)1°C (33°F)1°C (34°F)2°C (35°F)2°C (36°F)
Wind
Speed26km/h (16mph)19km/h (12mph)20km/h (13mph)20km/h (12mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)13km/h (8mph)
Gusts31km/h (20mph)26km/h (16mph)27km/h (17mph)26km/h (16mph)24km/h (15mph)28km/h (17mph)29km/h (18mph)19km/h (12mph)
Direction 22°
NNE
37°
NE
34°
NE
45°
NE
43°
NE
51°
NE
56°
NE
71°
ENE
Wind chill3°C (37°F)4°C (39°F)4°C (39°F)5°C (40°F)5°C (41°F)5°C (40°F)4°C (40°F)6°C (43°F)
Waves
Height1.0m (3.3ft)0.9m (3.1ft)0.9m (2.9ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)
Direction 356°
N
355°
N
355°
N
355°
N
356°
N
358°
N

N

N
Period8.3 sec.8.6 sec.8.5 sec.8.4 sec.8.2 sec.8.2 sec.8.1 sec.8.1 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:01 and will set at 16:37 on the beach(es) of Nanao. 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 8.7mph km/h (with gusts up to 13.7mph). 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)7°C (45°F)7°C (45°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)11°C (52°F)
Perceived temperature7°C (44°F)6°C (43°F)6°C (42°F)7°C (44°F)6°C (43°F)8°C (47°F)7°C (45°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%69%64%60%51%50%51%62%
Barometric pressure1027 hPa1027 hPa1027 hPa1027 hPa1026 hPa1026 hPa1026 hPa1026 hPa
Cloud cover7%7%0%0%0%0%0%0%
Heat index8°C (47°F)7°C (45°F)7°C (45°F)8°C (47°F)8°C (46°F)8°C (47°F)8°C (46°F)11°C (52°F)
Dew point2°C (36°F)2°C (36°F)1°C (34°F)1°C (33°F)-2°C (29°F)-1°C (29°F)-2°C (29°F)4°C (39°F)
Wind
Speed8km/h (5mph)8km/h (5mph)9km/h (5mph)9km/h (6mph)8km/h (5mph)1km/h (1mph)5km/h (3mph)14km/h (9mph)
Gusts11km/h (7mph)12km/h (7mph)13km/h (8mph)13km/h (8mph)16km/h (10mph)2km/h (1mph)11km/h (7mph)22km/h (14mph)
Direction 107°
ESE
176°
S
168°
SSE
174°
S
182°
S
134°
SE
147°
SSE
179°
S
Wind chill7°C (44°F)6°C (43°F)6°C (42°F)7°C (44°F)6°C (43°F)8°C (47°F)7°C (45°F)10°C (49°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.3ft)
Direction
N

N

N
10°
N

N

N

N
10°
N
Period8.1 sec.8.2 sec.8.1 sec.8.0 sec.7.9 sec.7.7 sec.7.5 sec.7.4 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:01 and will set at 16:38 on the beach(es) of Nanao. The outside temperature will be a high of 56°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 9.3mph km/h (with gusts up to 14.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)11°C (51°F)11°C (52°F)12°C (54°F)12°C (54°F)13°C (55°F)11°C (52°F)11°C (52°F)
Perceived temperature9°C (48°F)9°C (48°F)10°C (50°F)12°C (54°F)12°C (54°F)12°C (54°F)10°C (49°F)12°C (53°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%64%59%52%55%58%75%90%
Barometric pressure1026 hPa1026 hPa1026 hPa1026 hPa1024 hPa1024 hPa1026 hPa1025 hPa
Cloud cover0%6%74%32%99%94%100%100%
Heat index11°C (51°F)11°C (51°F)11°C (52°F)12°C (54°F)12°C (54°F)13°C (55°F)11°C (52°F)11°C (52°F)
Dew point4°C (40°F)4°C (39°F)4°C (38°F)3°C (37°F)3°C (38°F)5°C (40°F)7°C (44°F)10°C (49°F)
Wind
Speed15km/h (10mph)14km/h (9mph)10km/h (6mph)4km/h (2mph)5km/h (3mph)8km/h (5mph)14km/h (9mph)3km/h (2mph)
Gusts24km/h (15mph)21km/h (13mph)15km/h (9mph)6km/h (3mph)8km/h (5mph)12km/h (7mph)20km/h (13mph)5km/h (3mph)
Direction 190°
S
193°
SSW
166°
SSE
193°
SSW
181°
S
31°
NNE
151°
SSE
179°
S
Wind chill9°C (48°F)9°C (48°F)10°C (50°F)12°C (54°F)12°C (54°F)12°C (54°F)10°C (49°F)12°C (53°F)
Waves
Height0.3m (1.1ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.4m (1.3ft)
Direction 11°
NNE
12°
NNE
10°
N
12°
NNE
12°
NNE
12°
NNE
12°
NNE
11°
N
Period7.3 sec.7.2 sec.7.0 sec.6.8 sec.6.8 sec.6.7 sec.6.6 sec.6.5 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)16°C (62°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units