Sea weather in Nagaoka in Japan All the beach weather in Nagaoka

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

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

Date Outside temp. Our opinion
Saturday 18 July 202676°F to 83°Frecommended
Sunday 19 July 202677°F to 81°Frecommended
Monday 20 July 202677°F to 83°Frecommended
Tuesday 21 July 202677°F to 81°Frecommended
Wednesday 22 July 202676°F to 79°Frecommended
Thursday 23 July 202677°F to 81°Frecommended
Friday 24 July 202677°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Nagaoka

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 04:38 and will set at 19:05 on the beach(es) of Nagaoka. The outside temperature will be a high of 83°F t and a low of 76°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 14.9mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (76°F)27°C (80°F)28°C (82°F)28°C (83°F)28°C (82°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)30°C (86°F)32°C (89°F)32°C (90°F)32°C (89°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%95%94%84%76%76%84%86%
Barometric pressure1004 hPa1003 hPa1004 hPa1004 hPa1004 hPa1003 hPa1004 hPa1005 hPa
Cloud cover58%57%76%74%72%21%81%47%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)30°C (86°F)32°C (89°F)32°C (90°F)32°C (89°F)29°C (84°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)24°C (75°F)23°C (74°F)24°C (75°F)25°C (76°F)23°C (74°F)
Wind
Speed9km/h (6mph)8km/h (5mph)8km/h (5mph)8km/h (5mph)7km/h (4mph)6km/h (4mph)2km/h (1mph)12km/h (7mph)
Gusts15km/h (9mph)14km/h (9mph)13km/h (8mph)13km/h (8mph)14km/h (9mph)12km/h (8mph)4km/h (2mph)24km/h (15mph)
Direction 79°
ENE
104°
ESE
127°
SE
98°
E
16°
NNE
47°
NE
330°
NNW
190°
S
Wind chill25°C (76°F)25°C (76°F)25°C (76°F)27°C (80°F)28°C (82°F)28°C (83°F)28°C (82°F)26°C (79°F)
Waves
Height0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.6ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)
Direction 299°
WNW
302°
WNW
302°
WNW
302°
WNW
36°
NE
30°
NNE
29°
NNE
295°
WNW
Period4.5 sec.4.4 sec.4.3 sec.4.2 sec.4.1 sec.4.9 sec.2.3 sec.2.3 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 04:38 and will set at 19:04 on the beach(es) of Nagaoka. The outside temperature will be a high of 81°F t and a low of 77°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 14.3mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (78°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (78°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)30°C (86°F)30°C (86°F)30°C (87°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%86%86%81%81%83%86%89%
Barometric pressure1005 hPa1005 hPa1006 hPa1007 hPa1006 hPa1007 hPa1007 hPa1008 hPa
Cloud cover87%46%54%58%87%46%25%34%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)30°C (86°F)30°C (86°F)30°C (87°F)30°C (86°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed9km/h (5mph)13km/h (8mph)9km/h (5mph)4km/h (3mph)10km/h (6mph)12km/h (7mph)7km/h (4mph)1km/h (1mph)
Gusts18km/h (11mph)23km/h (14mph)16km/h (10mph)7km/h (4mph)16km/h (10mph)19km/h (12mph)11km/h (7mph)3km/h (2mph)
Direction 161°
SSE
206°
SSW
188°
S
289°
WNW
312°
NW
292°
WNW
265°
W
256°
WSW
Wind chill25°C (77°F)25°C (77°F)25°C (78°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (78°F)
Waves
Height0.1m (0.5ft)0.1m (0.5ft)0.1m (0.5ft)0.1m (0.3ft)0.1m (0.4ft)0.3m (1.0ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 320°
NW
327°
NNW
333°
NNW
335°
NNW
313°
NW
285°
WNW
285°
WNW
283°
WNW
Period2.2 sec.5.3 sec.5.0 sec.2.0 sec.4.4 sec.5.6 sec.5.5 sec.5.3 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 04:39 and will set at 19:04 on the beach(es) of Nagaoka. The outside temperature will be a high of 83°F t and a low of 77°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 6.2mph km/h (with gusts up to 9.9mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)26°C (78°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (82°F)27°C (80°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (83°F)31°C (87°F)31°C (88°F)32°C (90°F)32°C (90°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%90%89%83%76%74%82%84%
Barometric pressure1007 hPa1006 hPa1007 hPa1008 hPa1007 hPa1007 hPa1007 hPa1008 hPa
Cloud cover46%39%75%53%51%38%52%46%
Heat index28°C (83°F)28°C (83°F)28°C (83°F)31°C (87°F)31°C (88°F)32°C (90°F)32°C (90°F)30°C (86°F)
Dew point24°C (75°F)23°C (74°F)23°C (74°F)24°C (75°F)23°C (74°F)23°C (74°F)24°C (76°F)24°C (75°F)
Wind
Speed1km/h (0mph)5km/h (3mph)4km/h (2mph)2km/h (1mph)8km/h (5mph)10km/h (6mph)8km/h (5mph)5km/h (3mph)
Gusts1km/h (1mph)8km/h (5mph)6km/h (4mph)3km/h (2mph)13km/h (8mph)16km/h (10mph)13km/h (8mph)10km/h (6mph)
Direction
N
110°
ESE
101°
E
96°
E
328°
NNW
269°
W
255°
WSW
263°
W
Wind chill25°C (78°F)25°C (78°F)26°C (78°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (82°F)27°C (80°F)
Waves
Height0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 284°
WNW
283°
WNW
282°
WNW
287°
WNW
299°
WNW
305°
NW
314°
NW
329°
NNW
Period5.2 sec.5.0 sec.4.8 sec.4.6 sec.4.6 sec.4.9 sec.4.8 sec.5.1 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 04:40 and will set at 19:03 on the beach(es) of Nagaoka. The outside temperature will be a high of 81°F t and a low of 77°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 14.3mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)26°C (79°F)27°C (81°F)27°C (80°F)26°C (78°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)29°C (85°F)31°C (87°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%89%89%86%84%82%85%88%
Barometric pressure1008 hPa1007 hPa1008 hPa1008 hPa1008 hPa1008 hPa1008 hPa1009 hPa
Cloud cover39%41%56%81%86%88%59%83%
Heat index29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)29°C (85°F)31°C (87°F)30°C (86°F)29°C (84°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed5km/h (3mph)10km/h (6mph)11km/h (7mph)14km/h (9mph)13km/h (8mph)12km/h (7mph)10km/h (6mph)6km/h (4mph)
Gusts10km/h (6mph)18km/h (11mph)18km/h (11mph)22km/h (14mph)23km/h (14mph)18km/h (11mph)16km/h (10mph)9km/h (6mph)
Direction 226°
SW
210°
SSW
227°
SW
240°
WSW
250°
WSW
264°
W
275°
W
227°
SW
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)26°C (79°F)27°C (81°F)27°C (80°F)26°C (78°F)
Waves
Height0.2m (0.6ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.8ft)
Direction 334°
NNW
338°
NNW
342°
NNW
345°
NNW
348°
NNW
273°
W
289°
WNW
288°
WNW
Period5.1 sec.5.0 sec.4.9 sec.4.8 sec.4.8 sec.2.6 sec.3.2 sec.3.7 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 04:41 and will set at 19:02 on the beach(es) of Nagaoka. The outside temperature will be a high of 79°F t and a low of 76°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 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (76°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%90%90%87%85%87%89%91%
Barometric pressure1008 hPa1008 hPa1009 hPa1009 hPa1009 hPa1009 hPa1009 hPa1010 hPa
Cloud cover38%23%26%87%88%78%72%70%
Heat index28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)28°C (82°F)27°C (81°F)
Dew point23°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed9km/h (6mph)15km/h (9mph)15km/h (9mph)18km/h (11mph)14km/h (9mph)10km/h (6mph)5km/h (3mph)3km/h (2mph)
Gusts16km/h (10mph)25km/h (15mph)24km/h (15mph)26km/h (16mph)23km/h (14mph)16km/h (10mph)8km/h (5mph)5km/h (3mph)
Direction 188°
S
222°
SW
221°
SW
243°
WSW
260°
W
305°
NW
22°
NNE
112°
ESE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (76°F)
Waves
Height0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 290°
WNW
289°
WNW
286°
WNW
284°
WNW
283°
WNW
287°
WNW
291°
WNW
305°
NW
Period3.9 sec.3.9 sec.3.9 sec.3.9 sec.4.3 sec.4.3 sec.2.7 sec.2.8 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 04:42 and will set at 19:02 on the beach(es) of Nagaoka. The outside temperature will be a high of 81°F t and a low of 77°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 11.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (76°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (80°F)26°C (78°F)
Perceived temperature27°C (81°F)27°C (81°F)27°C (81°F)29°C (84°F)29°C (84°F)30°C (86°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%90%85%80%80%86%89%
Barometric pressure1009 hPa1009 hPa1009 hPa1009 hPa1009 hPa1009 hPa1010 hPa1010 hPa
Cloud cover58%57%49%82%86%17%77%10%
Heat index27°C (81°F)27°C (81°F)27°C (81°F)29°C (84°F)29°C (84°F)30°C (86°F)30°C (86°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)24°C (75°F)24°C (74°F)
Wind
Speed4km/h (3mph)4km/h (2mph)5km/h (3mph)8km/h (5mph)9km/h (6mph)12km/h (7mph)9km/h (6mph)7km/h (4mph)
Gusts7km/h (4mph)6km/h (4mph)8km/h (5mph)11km/h (7mph)15km/h (9mph)19km/h (12mph)15km/h (9mph)12km/h (7mph)
Direction 149°
SSE
149°
SSE
172°
S
244°
WSW
270°
W
268°
W
279°
W
241°
WSW
Wind chill25°C (76°F)25°C (76°F)25°C (76°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (80°F)26°C (78°F)
Waves
Height0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.3m (1.1ft)0.1m (0.3ft)0.3m (1.1ft)0.4m (1.3ft)0.5m (1.7ft)
Direction 305°
NW
305°
NW
310°
NW
309°
NW
305°
NW
307°
NW
284°
WNW
279°
W
Period2.9 sec.2.9 sec.2.7 sec.4.2 sec.3.9 sec.4.9 sec.4.9 sec.4.9 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 04:42 and will set at 19:01 on the beach(es) of Nagaoka. The outside temperature will be a high of 83°F t and a low of 77°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 8.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (77°F)27°C (80°F)27°C (81°F)28°C (82°F)27°C (80°F)26°C (78°F)
Perceived temperature28°C (82°F)27°C (81°F)28°C (82°F)30°C (86°F)30°C (86°F)31°C (87°F)30°C (86°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%84%80%76%74%82%85%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1011 hPa1010 hPa1011 hPa1011 hPa
Cloud cover26%42%12%30%83%22%25%25%
Heat index28°C (82°F)27°C (81°F)28°C (82°F)30°C (86°F)30°C (86°F)31°C (87°F)30°C (86°F)29°C (83°F)
Dew point23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed5km/h (3mph)3km/h (2mph)5km/h (3mph)3km/h (2mph)8km/h (5mph)7km/h (4mph)5km/h (3mph)6km/h (4mph)
Gusts9km/h (5mph)6km/h (3mph)9km/h (6mph)4km/h (3mph)13km/h (8mph)11km/h (7mph)9km/h (5mph)11km/h (7mph)
Direction 215°
SW
157°
SSE
146°
SE
206°
SSW
317°
NW
319°
NW
40°
NE
76°
ENE
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)27°C (80°F)27°C (81°F)28°C (82°F)27°C (80°F)26°C (78°F)
Waves
Height0.1m (0.3ft)0.5m (1.5ft)0.6m (1.8ft)0.5m (1.7ft)0.1m (0.3ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)
Direction 279°
W
274°
W
272°
W
274°
W
273°
W
275°
W
311°
NW
317°
NW
Period4.9 sec.4.7 sec.4.5 sec.4.3 sec.4.2 sec.4.1 sec.1.9 sec.1.9 sec.
Significant height0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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