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
Sunday 14 December 202543°F to 54°Fnot recommended
Monday 15 December 202545°F to 49°Fnot recommended
Tuesday 16 December 202545°F to 54°Fnot recommended
Wednesday 17 December 202540°F to 45°Fdiscouraged
Thursday 18 December 202541°F to 45°Fdiscouraged
Friday 19 December 202543°F to 50°Frecommended
Saturday 20 December 202550°F to 56°Frecommended

Sea Weather: Your daily and hourly sea weather in Niigata

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:52 and will set at 16:25 on the beach(es) of Niigata. The outside temperature will be a high of 54°F t and a low of 43°F. Precipitation is in the forecast (0.1in 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 48.5mph km/h (with gusts up to 51mph). Wave height will be up to 15.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)6°C (43°F)6°C (42°F)7°C (44°F)7°C (45°F)11°C (52°F)10°C (50°F)10°C (49°F)
Perceived temperature2°C (36°F)3°C (37°F)2°C (36°F)4°C (39°F)4°C (39°F)7°C (44°F)5°C (40°F)4°C (39°F)
Precipitation0in0in0in0.1in0in0in0in0in
Humidity58%65%85%92%88%64%66%74%
Barometric pressure1016 hPa1013 hPa1009 hPa1004 hPa1000 hPa1000 hPa1000 hPa1000 hPa
Cloud cover56%100%84%97%100%100%100%100%
Heat index6°C (42°F)6°C (43°F)6°C (42°F)7°C (44°F)7°C (45°F)11°C (52°F)10°C (50°F)10°C (49°F)
Dew point-2°C (28°F)0°C (32°F)3°C (38°F)5°C (42°F)6°C (42°F)5°C (40°F)4°C (39°F)5°C (42°F)
Wind
Speed15km/h (10mph)21km/h (13mph)16km/h (10mph)16km/h (10mph)23km/h (14mph)55km/h (34mph)75km/h (47mph)78km/h (48mph)
Gusts20km/h (12mph)25km/h (16mph)20km/h (13mph)21km/h (13mph)31km/h (19mph)72km/h (45mph)77km/h (48mph)82km/h (51mph)
Direction 115°
ESE
83°
E
78°
ENE
66°
ENE
167°
SSE
263°
W
259°
WSW
251°
WSW
Wind chill2°C (36°F)3°C (37°F)2°C (36°F)4°C (39°F)4°C (39°F)7°C (44°F)5°C (40°F)4°C (39°F)
Waves
Height1.1m (3.6ft)1.0m (3.2ft)0.9m (2.9ft)0.7m (2.4ft)0.7m (2.2ft)2.3m (7.5ft)3.7m (12.1ft)4.6m (15.0ft)
Direction 340°
NNW
346°
NNW
350°
N
347°
NNW
350°
N
266°
W
257°
WSW
262°
W
Period7.9 sec.7.6 sec.7.4 sec.7.2 sec.7.0 sec.6.8 sec.6.8 sec.6.8 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)1.0m (3.3ft)2.6m (8.5ft)3.2m (10.5ft)3.4m (11.2ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:52 and will set at 16:26 on the beach(es) of Niigata. The outside temperature will be a high of 49°F t and a low of 45°F. Precipitation is in the forecast (0.1in 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 46.6mph km/h (with gusts up to 47.9mph). Wave height will be up to 17.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (48°F)8°C (47°F)8°C (47°F)7°C (45°F)8°C (47°F)8°C (46°F)8°C (47°F)
Perceived temperature3°C (38°F)3°C (38°F)3°C (37°F)3°C (38°F)2°C (35°F)3°C (37°F)3°C (38°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%81%77%65%66%58%57%55%
Barometric pressure1003 hPa1007 hPa1011 hPa1015 hPa1017 hPa1019 hPa1021 hPa1022 hPa
Cloud cover100%100%100%100%69%100%100%100%
Heat index9°C (48°F)9°C (48°F)8°C (47°F)8°C (47°F)7°C (45°F)8°C (47°F)8°C (46°F)8°C (47°F)
Dew point6°C (43°F)6°C (42°F)5°C (40°F)2°C (36°F)2°C (35°F)0°C (32°F)-0°C (32°F)-0°C (32°F)
Wind
Speed75km/h (46mph)66km/h (41mph)62km/h (38mph)53km/h (33mph)54km/h (34mph)48km/h (30mph)42km/h (26mph)35km/h (22mph)
Gusts77km/h (48mph)66km/h (41mph)68km/h (42mph)58km/h (36mph)57km/h (35mph)49km/h (30mph)53km/h (33mph)43km/h (26mph)
Direction 296°
WNW
316°
NW
311°
NW
303°
WNW
285°
WNW
285°
WNW
290°
WNW
284°
WNW
Wind chill3°C (38°F)3°C (38°F)3°C (37°F)3°C (38°F)2°C (35°F)3°C (37°F)3°C (38°F)4°C (39°F)
Waves
Height4.7m (15.3ft)5.4m (17.7ft)5.3m (17.5ft)4.6m (15.0ft)3.9m (12.9ft)3.6m (12.0ft)3.3m (10.7ft)2.9m (9.4ft)
Direction 284°
WNW
304°
NW
313°
NW
321°
NW
333°
NNW
344°
NNW
343°
NNW
344°
NNW
Period9.3 sec.10.1 sec.11.3 sec.10.7 sec.10.4 sec.10.3 sec.9.8 sec.10.0 sec.
Significant height3.3m (10.8ft)3.1m (10.2ft)2.6m (8.5ft)2.1m (6.9ft)1.8m (5.9ft)1.9m (6.2ft)1.5m (4.9ft)1.1m (3.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:53 and will set at 16:26 on the beach(es) of Niigata. The outside temperature will be a high of 54°F t and a low of 45°F. Precipitation is in the forecast (0.1in 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 35.4mph km/h (with gusts up to 36.7mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)9°C (47°F)9°C (48°F)8°C (47°F)9°C (49°F)10°C (51°F)10°C (49°F)9°C (48°F)
Perceived temperature5°C (40°F)5°C (41°F)6°C (43°F)4°C (39°F)5°C (41°F)6°C (42°F)5°C (42°F)5°C (41°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity53%53%58%74%66%81%81%71%
Barometric pressure1022 hPa1022 hPa1021 hPa1021 hPa1018 hPa1017 hPa1018 hPa1019 hPa
Cloud cover100%71%100%100%100%100%100%100%
Heat index8°C (47°F)9°C (47°F)9°C (48°F)8°C (47°F)9°C (49°F)10°C (51°F)10°C (49°F)9°C (48°F)
Dew point-1°C (31°F)-0°C (31°F)1°C (34°F)4°C (39°F)3°C (38°F)7°C (45°F)7°C (44°F)4°C (39°F)
Wind
Speed30km/h (18mph)24km/h (15mph)18km/h (11mph)32km/h (20mph)37km/h (23mph)57km/h (35mph)40km/h (25mph)31km/h (19mph)
Gusts36km/h (22mph)30km/h (18mph)23km/h (14mph)40km/h (25mph)46km/h (29mph)59km/h (37mph)56km/h (35mph)48km/h (30mph)
Direction 282°
WNW
268°
W
237°
WSW
196°
SSW
218°
SW
252°
WSW
307°
NW
326°
NW
Wind chill5°C (40°F)5°C (41°F)6°C (43°F)4°C (39°F)5°C (41°F)6°C (42°F)5°C (42°F)5°C (41°F)
Waves
Height2.5m (8.2ft)2.2m (7.2ft)1.9m (6.4ft)1.8m (5.9ft)1.9m (6.3ft)2.5m (8.4ft)2.2m (7.2ft)2.0m (6.7ft)
Direction 345°
NNW
340°
NNW
347°
NNW
339°
NNW
349°
N
277°
W
300°
WNW
317°
NW
Period9.9 sec.9.6 sec.8.2 sec.9.0 sec.7.6 sec.8.9 sec.6.3 sec.6.5 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.3m (4.3ft)1.7m (5.6ft)2.0m (6.6ft)1.1m (3.6ft)1.5m (4.9ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:54 and will set at 16:26 on the beach(es) of Niigata. The outside temperature will be a high of 45°F t and a low of 40°F. Precipitation is in the forecast (0.2in 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 17.4mph km/h (with gusts up to 20.5mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)6°C (44°F)6°C (43°F)5°C (42°F)5°C (41°F)5°C (42°F)5°C (40°F)5°C (41°F)
Perceived temperature3°C (38°F)3°C (37°F)2°C (36°F)1°C (34°F)0°C (32°F)1°C (34°F)1°C (34°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%80%83%87%87%79%84%84%
Barometric pressure1020 hPa1021 hPa1022 hPa1023 hPa1022 hPa1022 hPa1024 hPa1025 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index7°C (45°F)6°C (44°F)6°C (43°F)5°C (42°F)5°C (41°F)5°C (42°F)5°C (40°F)5°C (41°F)
Dew point4°C (39°F)3°C (38°F)3°C (38°F)3°C (38°F)3°C (37°F)2°C (36°F)2°C (36°F)2°C (36°F)
Wind
Speed28km/h (18mph)23km/h (14mph)22km/h (14mph)24km/h (15mph)26km/h (16mph)23km/h (14mph)16km/h (10mph)12km/h (7mph)
Gusts33km/h (21mph)29km/h (18mph)28km/h (17mph)32km/h (20mph)32km/h (20mph)30km/h (19mph)21km/h (13mph)16km/h (10mph)
Direction 338°
NNW
337°
NNW
335°
NNW
340°
NNW
342°
NNW
350°
N
359°
N
309°
NW
Wind chill3°C (38°F)3°C (37°F)2°C (36°F)1°C (34°F)0°C (32°F)1°C (34°F)1°C (34°F)2°C (36°F)
Waves
Height1.9m (6.4ft)1.9m (6.4ft)1.9m (6.3ft)1.9m (6.3ft)2.0m (6.6ft)2.0m (6.6ft)1.9m (6.1ft)1.7m (5.6ft)
Direction 332°
NNW
336°
NNW
340°
NNW
338°
NNW
340°
NNW
336°
NNW
336°
NNW
337°
NNW
Period6.5 sec.7.6 sec.8.1 sec.8.3 sec.8.7 sec.9.1 sec.9.2 sec.9.1 sec.
Significant height1.3m (4.3ft)0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:54 and will set at 16:27 on the beach(es) of Niigata. The outside temperature will be a high of 45°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 11.8mph km/h (with gusts up to 14.9mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)6°C (44°F)7°C (44°F)7°C (44°F)6°C (43°F)6°C (43°F)5°C (41°F)7°C (45°F)
Perceived temperature3°C (37°F)4°C (39°F)3°C (38°F)4°C (39°F)4°C (39°F)4°C (40°F)4°C (39°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%63%57%54%53%51%51%53%
Barometric pressure1025 hPa1026 hPa1027 hPa1028 hPa1027 hPa1027 hPa1028 hPa1028 hPa
Cloud cover100%95%100%72%15%13%4%8%
Heat index6°C (42°F)6°C (44°F)7°C (44°F)7°C (44°F)6°C (43°F)6°C (43°F)5°C (41°F)7°C (45°F)
Dew point1°C (34°F)-0°C (32°F)-1°C (30°F)-2°C (28°F)-3°C (27°F)-3°C (26°F)-4°C (25°F)-2°C (29°F)
Wind
Speed12km/h (7mph)12km/h (7mph)19km/h (12mph)15km/h (9mph)12km/h (7mph)8km/h (5mph)6km/h (4mph)9km/h (5mph)
Gusts16km/h (10mph)15km/h (9mph)24km/h (15mph)19km/h (12mph)17km/h (10mph)12km/h (8mph)11km/h (7mph)12km/h (7mph)
Direction 231°
SW
275°
W
319°
NW
319°
NW
324°
NW
350°
N
26°
NNE
91°
E
Wind chill3°C (37°F)4°C (39°F)3°C (38°F)4°C (39°F)4°C (39°F)4°C (40°F)4°C (39°F)6°C (42°F)
Waves
Height1.6m (5.2ft)1.5m (4.8ft)1.4m (4.5ft)1.3m (4.2ft)1.2m (4.0ft)1.1m (3.7ft)1.1m (3.5ft)1.0m (3.2ft)
Direction 330°
NNW
329°
NNW
329°
NNW
330°
NNW
331°
NNW
329°
NNW
329°
NNW
332°
NNW
Period8.7 sec.8.5 sec.8.5 sec.8.2 sec.8.0 sec.7.7 sec.7.5 sec.7.8 sec.
Significant height0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:55 and will set at 16:27 on the beach(es) of Niigata. 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 9.3mph km/h (with gusts up to 17.4mph). Wave height will be up to 3ft 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 (44°F)8°C (47°F)10°C (49°F)8°C (47°F)10°C (51°F)
Perceived temperature5°C (40°F)4°C (40°F)3°C (38°F)4°C (40°F)6°C (43°F)8°C (47°F)6°C (43°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%61%64%61%52%44%51%63%
Barometric pressure1027 hPa1027 hPa1027 hPa1028 hPa1026 hPa1026 hPa1026 hPa1026 hPa
Cloud cover4%5%0%5%5%2%0%2%
Heat index7°C (44°F)6°C (43°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (49°F)8°C (47°F)10°C (51°F)
Dew point0°C (32°F)-1°C (31°F)0°C (32°F)0°C (32°F)-1°C (30°F)-2°C (28°F)-1°C (30°F)4°C (39°F)
Wind
Speed12km/h (8mph)10km/h (6mph)15km/h (9mph)14km/h (9mph)10km/h (6mph)8km/h (5mph)13km/h (8mph)12km/h (8mph)
Gusts16km/h (10mph)14km/h (8mph)20km/h (13mph)19km/h (12mph)16km/h (10mph)16km/h (10mph)28km/h (17mph)18km/h (11mph)
Direction 88°
E
134°
SE
161°
SSE
156°
SSE
154°
SSE
197°
SSW
167°
SSE
159°
SSE
Wind chill5°C (40°F)4°C (40°F)3°C (38°F)4°C (40°F)6°C (43°F)8°C (47°F)6°C (43°F)9°C (48°F)
Waves
Height0.9m (3.0ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.6ft)0.7m (2.4ft)0.6m (2.1ft)0.6m (1.9ft)0.5m (1.6ft)
Direction 337°
NNW
331°
NNW
335°
NNW
348°
NNW
342°
NNW
343°
NNW
343°
NNW
337°
NNW
Period7.7 sec.7.8 sec.7.5 sec.7.4 sec.6.3 sec.7.1 sec.6.2 sec.6.1 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:56 and will set at 16:27 on the beach(es) of Niigata. The outside temperature will be a high of 56°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 11.2mph km/h (with gusts up to 17.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (51°F)12°C (53°F)13°C (56°F)13°C (55°F)12°C (53°F)
Perceived temperature8°C (46°F)7°C (45°F)8°C (47°F)8°C (47°F)12°C (54°F)13°C (56°F)13°C (55°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%65%57%55%44%43%57%75%
Barometric pressure1026 hPa1026 hPa1027 hPa1026 hPa1024 hPa1024 hPa1025 hPa1025 hPa
Cloud cover4%0%9%32%48%100%100%100%
Heat index10°C (50°F)10°C (50°F)10°C (50°F)10°C (51°F)12°C (53°F)13°C (56°F)13°C (55°F)12°C (53°F)
Dew point4°C (40°F)4°C (38°F)2°C (35°F)2°C (35°F)0°C (32°F)1°C (34°F)5°C (40°F)7°C (45°F)
Wind
Speed15km/h (10mph)18km/h (11mph)14km/h (9mph)16km/h (10mph)4km/h (2mph)3km/h (2mph)3km/h (2mph)16km/h (10mph)
Gusts23km/h (14mph)28km/h (17mph)21km/h (13mph)26km/h (16mph)7km/h (4mph)4km/h (3mph)4km/h (3mph)23km/h (15mph)
Direction 160°
SSE
165°
SSE
170°
S
149°
SSE
182°
S
278°
W
138°
SE
144°
SE
Wind chill8°C (46°F)7°C (45°F)8°C (47°F)8°C (47°F)12°C (54°F)13°C (56°F)13°C (55°F)10°C (49°F)
Waves
Height0.4m (1.4ft)0.4m (1.2ft)0.3m (1.1ft)0.4m (1.2ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (1.8ft)0.5m (1.7ft)
Direction 339°
NNW
334°
NNW
335°
NNW
317°
NW
300°
WNW
296°
WNW
292°
WNW
293°
WNW
Period5.7 sec.5.8 sec.5.3 sec.7.1 sec.7.0 sec.7.1 sec.7.2 sec.7.3 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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