Sea weather in Niigata in Japan All the beach weather in Niigata

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

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

Date Outside temp. Our opinion
Monday 20 July 202677°F to 83°Frecommended
Tuesday 21 July 202679°F to 81°Frecommended
Wednesday 22 July 202677°F to 81°Fdiscouraged
Thursday 23 July 202674°F to 79°Fdiscouraged
Friday 24 July 202676°F to 77°Frecommended
Saturday 25 July 202676°F to 81°Frecommended
Sunday 26 July 202674°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Niigata

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 04:37 and will set at 19:04 on the beach(es) of Niigata. 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 8.7mph km/h (with gusts up to 17.4mph). 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)26°C (79°F)27°C (80°F)28°C (82°F)27°C (81°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (83°F)28°C (83°F)29°C (85°F)30°C (86°F)31°C (88°F)32°C (89°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%86%85%84%77%77%85%88%
Barometric pressure1007 hPa1007 hPa1008 hPa1008 hPa1008 hPa1008 hPa1008 hPa1009 hPa
Cloud cover33%17%16%36%51%27%51%42%
Heat index29°C (84°F)28°C (83°F)28°C (83°F)29°C (85°F)30°C (86°F)31°C (88°F)32°C (89°F)30°C (86°F)
Dew point24°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)22°C (72°F)23°C (74°F)25°C (76°F)24°C (75°F)
Wind
Speed14km/h (9mph)11km/h (7mph)9km/h (6mph)4km/h (2mph)7km/h (4mph)9km/h (5mph)12km/h (7mph)9km/h (6mph)
Gusts28km/h (17mph)21km/h (13mph)18km/h (11mph)7km/h (4mph)12km/h (8mph)14km/h (9mph)19km/h (12mph)15km/h (9mph)
Direction 213°
SSW
186°
S
175°
S
263°
W
344°
NNW
25°
NNE
38°
NE
35°
NE
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)27°C (80°F)28°C (82°F)27°C (81°F)26°C (79°F)
Waves
Height0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.5ft)0.2m (0.5ft)0.2m (0.5ft)0.2m (0.7ft)0.2m (0.6ft)
Direction 292°
WNW
290°
WNW
295°
WNW
304°
NW
311°
NW
321°
NW
334°
NNW
338°
NNW
Period5.6 sec.5.2 sec.4.7 sec.4.3 sec.4.0 sec.4.2 sec.5.1 sec.4.9 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)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 Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 04:38 and will set at 19:03 on the beach(es) of Niigata. The outside temperature will be a high of 81°F t and a low of 79°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 10.6mph km/h (with gusts up to 20.5mph). Wave height will be up to 1ft 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)26°C (79°F)26°C (78°F)26°C (80°F)26°C (80°F)26°C (79°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)30°C (86°F)30°C (86°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%86%86%85%87%89%90%
Barometric pressure1008 hPa1008 hPa1009 hPa1009 hPa1009 hPa1008 hPa1009 hPa1010 hPa
Cloud cover21%34%58%46%20%21%87%56%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)30°C (86°F)30°C (86°F)29°C (85°F)
Dew point24°C (75°F)24°C (74°F)23°C (74°F)24°C (75°F)23°C (73°F)24°C (75°F)25°C (76°F)24°C (75°F)
Wind
Speed7km/h (4mph)5km/h (3mph)9km/h (5mph)14km/h (9mph)16km/h (10mph)9km/h (6mph)17km/h (10mph)10km/h (6mph)
Gusts12km/h (7mph)9km/h (6mph)14km/h (9mph)22km/h (14mph)33km/h (20mph)18km/h (11mph)26km/h (16mph)16km/h (10mph)
Direction 121°
ESE
174°
S
194°
SSW
236°
SW
235°
SW
264°
W
45°
NE
71°
ENE
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (80°F)26°C (80°F)26°C (79°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.2m (0.7ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.7ft)
Direction 341°
NNW
344°
NNW
348°
NNW
350°
N
232°
SW
234°
SW
273°
W
308°
NW
Period4.9 sec.4.9 sec.5.0 sec.4.9 sec.4.9 sec.2.7 sec.2.7 sec.2.6 sec.
Significant height0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 04:39 and will set at 19:02 on the beach(es) of Niigata. The outside temperature will be a high of 81°F t and a low of 77°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 14.9mph km/h (with gusts up to 19.3mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (77°F)26°C (79°F)26°C (79°F)25°C (77°F)
Perceived temperature29°C (84°F)29°C (84°F)28°C (83°F)29°C (84°F)28°C (83°F)29°C (85°F)30°C (85°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity92%91%92%89%91%87%85%92%
Barometric pressure1008 hPa1008 hPa1009 hPa1009 hPa1009 hPa1008 hPa1008 hPa1009 hPa
Cloud cover24%20%25%17%61%100%83%60%
Heat index29°C (84°F)29°C (84°F)28°C (83°F)29°C (84°F)28°C (83°F)29°C (85°F)30°C (85°F)28°C (82°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (74°F)24°C (74°F)
Wind
Speed9km/h (5mph)6km/h (4mph)16km/h (10mph)19km/h (12mph)19km/h (12mph)14km/h (9mph)24km/h (15mph)22km/h (14mph)
Gusts15km/h (9mph)10km/h (6mph)26km/h (16mph)31km/h (19mph)22km/h (14mph)28km/h (18mph)31km/h (19mph)25km/h (16mph)
Direction 169°
SSE
210°
SSW
198°
SSW
228°
SW
242°
WSW
211°
SSW
207°
SSW
236°
WSW
Wind chill26°C (78°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (77°F)26°C (79°F)26°C (79°F)25°C (77°F)
Waves
Height0.2m (0.5ft)0.1m (0.4ft)0.2m (0.8ft)0.2m (0.7ft)0.4m (1.2ft)0.4m (1.4ft)0.5m (1.6ft)0.6m (2.0ft)
Direction 354°
N
352°
N
353°
N
223°
SW
236°
SW
228°
SW
246°
WSW
240°
WSW
Period2.6 sec.3.1 sec.3.0 sec.4.2 sec.4.1 sec.4.1 sec.4.1 sec.5.0 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (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 Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 04:39 and will set at 19:01 on the beach(es) of Niigata. The outside temperature will be a high of 79°F t and a low of 74°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 20.5mph). Wave height will be up to 2ft 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)25°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%96%94%92%88%86%86%89%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1010 hPa1009 hPa1010 hPa1011 hPa
Cloud cover79%60%80%70%87%17%24%48%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)28°C (82°F)
Dew point24°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)
Wind
Speed14km/h (9mph)21km/h (13mph)20km/h (12mph)15km/h (9mph)12km/h (8mph)15km/h (9mph)6km/h (4mph)7km/h (4mph)
Gusts23km/h (14mph)33km/h (20mph)32km/h (20mph)22km/h (14mph)20km/h (13mph)26km/h (16mph)9km/h (6mph)10km/h (6mph)
Direction 198°
SSW
208°
SSW
221°
SW
243°
WSW
234°
SW
222°
SW
19°
NNE
63°
ENE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)
Waves
Height0.6m (2.0ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.4ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 240°
WSW
280°
W
230°
SW
237°
WSW
242°
WSW
249°
WSW
270°
W
311°
NW
Period5.2 sec.5.3 sec.5.3 sec.5.4 sec.5.9 sec.2.9 sec.2.7 sec.3.8 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)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 04:40 and will set at 19:01 on the beach(es) of Niigata. The outside temperature will be a high of 77°F t and a low of 76°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 7.5mph km/h (with gusts up to 10.6mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (77°F)
Perceived temperature28°C (82°F)27°C (81°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (81°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity90%92%95%96%95%92%89%87%
Barometric pressure1010 hPa1010 hPa1010 hPa1011 hPa1010 hPa1010 hPa1010 hPa1011 hPa
Cloud cover87%100%100%100%100%100%87%79%
Heat index28°C (82°F)27°C (81°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (81°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)
Wind
Speed7km/h (4mph)7km/h (4mph)2km/h (1mph)8km/h (5mph)12km/h (7mph)7km/h (4mph)10km/h (6mph)10km/h (6mph)
Gusts11km/h (7mph)11km/h (7mph)3km/h (2mph)13km/h (8mph)17km/h (10mph)11km/h (7mph)15km/h (10mph)15km/h (10mph)
Direction 153°
SSE
204°
SSW
124°
SE
174°
S
206°
SSW
170°
S
88°
E
102°
ESE
Wind chill25°C (77°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (77°F)
Waves
Height0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.5ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)
Direction 310°
NW
307°
NW
310°
NW
307°
NW
241°
WSW
265°
W
265°
W
266°
W
Period3.8 sec.3.7 sec.3.7 sec.3.7 sec.3.7 sec.3.6 sec.6.0 sec.5.6 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)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 Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 04:41 and will set at 19:00 on the beach(es) of Niigata. The outside temperature will be a high of 81°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 11.8mph). 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)24°C (75°F)24°C (76°F)25°C (77°F)25°C (78°F)26°C (79°F)27°C (80°F)26°C (78°F)
Perceived temperature27°C (81°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (82°F)29°C (84°F)30°C (85°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%88%86%82%78%76%80%87%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1011 hPa1010 hPa1010 hPa1010 hPa
Cloud cover66%89%67%72%76%81%74%82%
Heat index27°C (81°F)26°C (79°F)26°C (79°F)27°C (81°F)28°C (82°F)29°C (84°F)30°C (85°F)28°C (83°F)
Dew point23°C (73°F)22°C (72°F)22°C (71°F)22°C (71°F)21°C (70°F)22°C (71°F)23°C (73°F)23°C (74°F)
Wind
Speed12km/h (8mph)10km/h (6mph)8km/h (5mph)6km/h (4mph)6km/h (4mph)5km/h (3mph)4km/h (2mph)9km/h (5mph)
Gusts19km/h (12mph)15km/h (9mph)12km/h (8mph)9km/h (5mph)10km/h (6mph)7km/h (5mph)6km/h (4mph)14km/h (9mph)
Direction 157°
SSE
137°
SE
146°
SE
118°
ESE
28°
NNE
288°
WNW
171°
S
189°
S
Wind chill25°C (76°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (78°F)26°C (79°F)27°C (80°F)26°C (78°F)
Waves
Height0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.6ft)0.2m (0.7ft)
Direction 268°
W
269°
W
285°
WNW
323°
NW
339°
NNW
351°
N
246°
WSW
249°
WSW
Period5.4 sec.5.2 sec.5.1 sec.4.1 sec.4.3 sec.2.0 sec.2.5 sec.4.8 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)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 Sunday 26 July 2026

On Sunday 26 July 2026, the sun will rise at 04:42 and will set at 18:59 on the beach(es) of Niigata. The outside temperature will be a high of 79°F t and a low of 74°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 13.1mph km/h (with gusts up to 23mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (75°F)23°C (74°F)24°C (76°F)25°C (76°F)26°C (78°F)26°C (79°F)26°C (78°F)
Perceived temperature27°C (81°F)26°C (79°F)26°C (78°F)27°C (80°F)27°C (80°F)28°C (83°F)29°C (84°F)28°C (83°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity90%87%89%88%89%84%83%83%
Barometric pressure1009 hPa1009 hPa1009 hPa1010 hPa1008 hPa1008 hPa1007 hPa1008 hPa
Cloud cover25%82%80%52%100%84%78%70%
Heat index27°C (81°F)26°C (79°F)26°C (78°F)27°C (80°F)27°C (80°F)28°C (83°F)29°C (84°F)28°C (83°F)
Dew point23°C (73°F)22°C (71°F)21°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed14km/h (9mph)11km/h (7mph)12km/h (7mph)14km/h (9mph)18km/h (11mph)21km/h (13mph)18km/h (11mph)19km/h (12mph)
Gusts21km/h (13mph)17km/h (11mph)18km/h (11mph)27km/h (17mph)28km/h (17mph)37km/h (23mph)30km/h (19mph)32km/h (20mph)
Direction 180°
S
169°
SSE
175°
S
204°
SSW
218°
SW
210°
SSW
196°
SSW
209°
SSW
Wind chill25°C (76°F)24°C (75°F)23°C (74°F)24°C (76°F)25°C (76°F)26°C (78°F)26°C (79°F)26°C (78°F)
Waves
Height0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.4ft)0.6m (1.9ft)0.6m (2.1ft)0.5m (1.6ft)
Direction 217°
SW
223°
SW
215°
SW
223°
SW
228°
SW
251°
WSW
255°
WSW
254°
WSW
Period4.6 sec.4.6 sec.4.5 sec.4.6 sec.4.7 sec.4.7 sec.5.4 sec.4.8 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
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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