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
Saturday 13 December 202541°F to 45°Fdiscouraged
Sunday 14 December 202543°F to 54°Fnot recommended
Monday 15 December 202545°F to 49°Fnot recommended
Tuesday 16 December 202543°F to 52°Fnot recommended
Wednesday 17 December 202540°F to 43°Fdiscouraged
Thursday 18 December 202538°F to 45°Fdiscouraged
Friday 19 December 202541°F to 49°Frecommended

Sea Weather: Your daily and hourly sea weather in Niigata

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 06:51 and will set at 16:25 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 23mph km/h (with gusts up to 32.9mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (40°F)5°C (41°F)6°C (42°F)6°C (43°F)6°C (42°F)6°C (42°F)6°C (44°F)7°C (44°F)
Perceived temperature-1°C (30°F)0°C (32°F)2°C (35°F)3°C (37°F)4°C (39°F)6°C (42°F)3°C (38°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%70%63%58%51%48%58%61%
Barometric pressure1030 hPa1030 hPa1029 hPa1029 hPa1028 hPa1026 hPa1023 hPa1020 hPa
Cloud cover100%100%96%70%59%50%100%95%
Heat index5°C (40°F)5°C (41°F)6°C (42°F)6°C (43°F)6°C (42°F)6°C (42°F)6°C (44°F)7°C (44°F)
Dew point0°C (33°F)-0°C (32°F)-1°C (31°F)-2°C (29°F)-3°C (26°F)-4°C (24°F)-1°C (30°F)-0°C (32°F)
Wind
Speed37km/h (23mph)28km/h (18mph)22km/h (14mph)18km/h (11mph)9km/h (6mph)2km/h (1mph)18km/h (11mph)18km/h (11mph)
Gusts53km/h (33mph)46km/h (29mph)27km/h (17mph)23km/h (14mph)13km/h (8mph)3km/h (2mph)24km/h (15mph)24km/h (15mph)
Direction 305°
NW
303°
WNW
298°
WNW
297°
WNW
286°
WNW
100°
E
87°
E
93°
E
Wind chill-1°C (30°F)0°C (32°F)2°C (35°F)3°C (37°F)4°C (39°F)6°C (42°F)3°C (38°F)3°C (38°F)
Waves
Height2.5m (8.3ft)2.3m (7.6ft)2.1m (6.9ft)1.8m (6.0ft)1.6m (5.4ft)1.5m (4.9ft)1.3m (4.4ft)1.2m (4.0ft)
Direction 331°
NNW
332°
NNW
333°
NNW
332°
NNW
333°
NNW
336°
NNW
341°
NNW
336°
NNW
Period9.6 sec.9.2 sec.8.7 sec.8.5 sec.8.5 sec.8.4 sec.8.3 sec.8.0 sec.
Significant height1.1m (3.6ft)0.9m (3ft)0.7m (2.3ft)0.4m (1.3ft)0.1m (0.3ft)1.0m (3.3ft)0.3m (1ft)0.4m (1.3ft)
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 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. 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 48.5mph km/h (with gusts up to 52.8mph). Wave height will be up to 10.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (42°F)7°C (45°F)7°C (44°F)7°C (45°F)9°C (49°F)11°C (51°F)10°C (51°F)9°C (48°F)
Perceived temperature3°C (38°F)4°C (39°F)4°C (40°F)5°C (41°F)6°C (43°F)6°C (43°F)5°C (41°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%63%70%84%80%71%63%79%
Barometric pressure1017 hPa1014 hPa1009 hPa1005 hPa1001 hPa1001 hPa1000 hPa1000 hPa
Cloud cover100%100%100%100%100%100%80%100%
Heat index6°C (42°F)7°C (45°F)7°C (44°F)7°C (45°F)9°C (49°F)11°C (51°F)10°C (51°F)9°C (48°F)
Dew point-2°C (29°F)0°C (33°F)2°C (35°F)4°C (40°F)6°C (43°F)6°C (42°F)4°C (39°F)6°C (42°F)
Wind
Speed11km/h (7mph)19km/h (12mph)12km/h (7mph)12km/h (7mph)25km/h (15mph)61km/h (38mph)78km/h (49mph)78km/h (49mph)
Gusts15km/h (9mph)24km/h (15mph)15km/h (10mph)15km/h (9mph)33km/h (20mph)78km/h (49mph)85km/h (53mph)82km/h (51mph)
Direction 138°
SE
88°
E
98°
E
129°
SE
182°
S
259°
WSW
253°
WSW
274°
W
Wind chill3°C (38°F)4°C (39°F)4°C (40°F)5°C (41°F)6°C (43°F)6°C (43°F)5°C (41°F)3°C (37°F)
Waves
Height1.1m (3.6ft)1.0m (3.2ft)0.9m (2.8ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)1.0m (3.3ft)3.2m (10.5ft)
Direction 340°
NNW
346°
NNW
350°
N
352°
N
349°
NNW
351°
N
249°
WSW
250°
WSW
Period7.9 sec.7.8 sec.7.5 sec.7.3 sec.7.0 sec.6.8 sec.6.7 sec.6.8 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)2.2m (7.2ft)3.2m (10.5ft)
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 06:52 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 47.9mph km/h (with gusts up to 47.9mph). Wave height will be up to 13.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)8°C (47°F)8°C (46°F)7°C (45°F)8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)
Perceived temperature3°C (37°F)2°C (36°F)2°C (36°F)1°C (34°F)2°C (35°F)2°C (36°F)3°C (37°F)4°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%80%69%68%61%58%57%55%
Barometric pressure1005 hPa1009 hPa1012 hPa1016 hPa1017 hPa1019 hPa1022 hPa1022 hPa
Cloud cover100%100%100%95%100%100%72%100%
Heat index9°C (47°F)8°C (47°F)8°C (46°F)7°C (45°F)8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)
Dew point5°C (41°F)5°C (41°F)3°C (37°F)2°C (35°F)0°C (33°F)-0°C (32°F)-1°C (31°F)-1°C (31°F)
Wind
Speed77km/h (48mph)68km/h (42mph)60km/h (38mph)59km/h (37mph)58km/h (36mph)51km/h (32mph)39km/h (24mph)30km/h (19mph)
Gusts77km/h (48mph)71km/h (44mph)67km/h (42mph)64km/h (39mph)74km/h (46mph)67km/h (42mph)49km/h (31mph)38km/h (23mph)
Direction 291°
WNW
297°
WNW
289°
WNW
285°
WNW
288°
WNW
292°
WNW
293°
WNW
281°
WNW
Wind chill3°C (37°F)2°C (36°F)2°C (36°F)1°C (34°F)2°C (35°F)2°C (36°F)3°C (37°F)4°C (38°F)
Waves
Height3.6m (11.9ft)3.0m (9.9ft)4.0m (13.2ft)4.1m (13.4ft)3.5m (11.4ft)2.9m (9.5ft)2.5m (8.1ft)2.1m (7.0ft)
Direction 258°
WSW
309°
NW
314°
NW
307°
NW
325°
NW
334°
NNW
340°
NNW
344°
NNW
Period6.8 sec.6.6 sec.8.1 sec.10.2 sec.9.6 sec.9.3 sec.9.0 sec.8.9 sec.
Significant height3.0m (9.8ft)2.3m (7.5ft)2.2m (7.2ft)2.1m (6.9ft)1.6m (5.2ft)1.2m (3.9ft)1.0m (3.3ft)0.9m (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 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 52°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 29.2mph km/h (with gusts up to 40.4mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)9°C (47°F)9°C (48°F)10°C (51°F)11°C (52°F)9°C (47°F)8°C (47°F)7°C (44°F)
Perceived temperature5°C (41°F)5°C (41°F)4°C (40°F)6°C (43°F)7°C (45°F)4°C (39°F)4°C (38°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity52%63%73%71%67%81%74%82%
Barometric pressure1021 hPa1020 hPa1019 hPa1019 hPa1017 hPa1018 hPa1020 hPa1021 hPa
Cloud cover100%54%100%100%100%100%100%100%
Heat index9°C (48°F)9°C (47°F)9°C (48°F)10°C (51°F)11°C (52°F)9°C (47°F)8°C (47°F)7°C (44°F)
Dew point-1°C (31°F)2°C (35°F)4°C (40°F)5°C (42°F)5°C (41°F)6°C (42°F)4°C (39°F)4°C (39°F)
Wind
Speed30km/h (19mph)27km/h (17mph)45km/h (28mph)47km/h (29mph)46km/h (28mph)41km/h (26mph)40km/h (25mph)33km/h (21mph)
Gusts36km/h (23mph)34km/h (21mph)55km/h (34mph)65km/h (40mph)51km/h (32mph)45km/h (28mph)50km/h (31mph)40km/h (25mph)
Direction 272°
W
232°
SW
219°
SW
241°
WSW
277°
W
323°
NW
332°
NNW
336°
NNW
Wind chill5°C (41°F)5°C (41°F)4°C (40°F)6°C (43°F)7°C (45°F)4°C (39°F)4°C (38°F)2°C (36°F)
Waves
Height1.9m (6.1ft)1.6m (5.4ft)1.6m (5.2ft)1.7m (5.6ft)2.1m (6.8ft)2.3m (7.6ft)2.5m (8.4ft)2.5m (8.1ft)
Direction 341°
NNW
342°
NNW
347°
NNW
329°
NNW
291°
WNW
273°
W
267°
W
268°
W
Period8.6 sec.8.3 sec.8.2 sec.7.3 sec.7.9 sec.7.6 sec.8.3 sec.7.7 sec.
Significant height0.9m (3ft)0.9m (3ft)1.9m (6.2ft)1.5m (4.9ft)1.7m (5.6ft)2.1m (6.9ft)2.1m (6.9ft)1.9m (6.2ft)
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 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 43°F t and a low of 40°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 19.9mph km/h (with gusts up to 24.2mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (42°F)6°C (42°F)5°C (41°F)5°C (41°F)5°C (40°F)5°C (41°F)5°C (41°F)
Perceived temperature1°C (34°F)1°C (34°F)1°C (33°F)1°C (33°F)2°C (36°F)2°C (35°F)2°C (35°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%76%79%71%87%79%83%
Barometric pressure1022 hPa1022 hPa1023 hPa1024 hPa1022 hPa1022 hPa1024 hPa1024 hPa
Cloud cover100%100%100%100%99%100%100%100%
Heat index6°C (43°F)6°C (42°F)6°C (42°F)5°C (41°F)5°C (41°F)5°C (40°F)5°C (41°F)5°C (41°F)
Dew point3°C (38°F)3°C (38°F)2°C (35°F)2°C (35°F)0°C (33°F)3°C (37°F)2°C (35°F)2°C (36°F)
Wind
Speed30km/h (19mph)28km/h (18mph)32km/h (20mph)26km/h (16mph)12km/h (7mph)12km/h (8mph)15km/h (9mph)12km/h (8mph)
Gusts38km/h (23mph)38km/h (24mph)39km/h (24mph)33km/h (20mph)16km/h (10mph)17km/h (10mph)20km/h (12mph)16km/h (10mph)
Direction 328°
NNW
327°
NNW
329°
NNW
321°
NW
262°
W
199°
SSW
316°
NW
226°
SW
Wind chill1°C (34°F)1°C (34°F)1°C (33°F)1°C (33°F)2°C (36°F)2°C (35°F)2°C (35°F)2°C (36°F)
Waves
Height1.8m (6.0ft)1.8m (6.0ft)1.8m (5.8ft)1.6m (5.2ft)1.4m (4.6ft)1.3m (4.4ft)1.3m (4.4ft)1.4m (4.6ft)
Direction 284°
WNW
293°
WNW
332°
NNW
333°
NNW
334°
NNW
335°
NNW
341°
NNW
337°
NNW
Period7.0 sec.7.3 sec.7.5 sec.7.6 sec.7.6 sec.8.2 sec.8.2 sec.8.3 sec.
Significant height0.8m (2.6ft)1.7m (5.6ft)1.4m (4.6ft)0.8m (2.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
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 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 38°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 17.4mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (41°F)3°C (37°F)7°C (44°F)
Perceived temperature4°C (39°F)3°C (37°F)2°C (36°F)3°C (37°F)3°C (38°F)3°C (38°F)1°C (34°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%57%56%54%52%50%50%50%
Barometric pressure1024 hPa1025 hPa1025 hPa1027 hPa1027 hPa1028 hPa1029 hPa1030 hPa
Cloud cover100%74%79%72%44%8%0%14%
Heat index6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (41°F)3°C (37°F)7°C (44°F)
Dew point-1°C (31°F)-2°C (29°F)-2°C (29°F)-2°C (28°F)-3°C (26°F)-4°C (24°F)-7°C (20°F)-3°C (26°F)
Wind
Speed12km/h (8mph)17km/h (11mph)22km/h (14mph)18km/h (11mph)13km/h (8mph)8km/h (5mph)6km/h (4mph)4km/h (2mph)
Gusts16km/h (10mph)22km/h (14mph)28km/h (17mph)23km/h (14mph)18km/h (11mph)12km/h (8mph)13km/h (8mph)5km/h (3mph)
Direction 285°
WNW
305°
NW
303°
WNW
290°
WNW
276°
W
277°
W
285°
WNW
264°
W
Wind chill4°C (39°F)3°C (37°F)2°C (36°F)3°C (37°F)3°C (38°F)3°C (38°F)1°C (34°F)6°C (43°F)
Waves
Height1.4m (4.7ft)1.4m (4.6ft)1.3m (4.4ft)1.3m (4.3ft)1.3m (4.2ft)1.3m (4.3ft)1.3m (4.2ft)1.2m (4.0ft)
Direction 338°
NNW
339°
NNW
338°
NNW
335°
NNW
329°
NNW
328°
NNW
327°
NNW
326°
NW
Period8.3 sec.8.3 sec.8.2 sec.8.1 sec.7.9 sec.7.7 sec.7.5 sec.7.6 sec.
Significant height0.6m (2ft)0.6m (2ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.5m (4.9ft)1.4m (4.6ft)
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 06:55 and will set at 16:27 on the beach(es) of Niigata. The outside temperature will be a high of 49°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 8.1mph km/h (with gusts up to 16.2mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (42°F)6°C (42°F)5°C (42°F)7°C (45°F)6°C (43°F)9°C (48°F)
Perceived temperature5°C (41°F)4°C (39°F)3°C (38°F)3°C (38°F)3°C (38°F)7°C (45°F)3°C (38°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity54%60%65%66%55%41%48%57%
Barometric pressure1029 hPa1030 hPa1030 hPa1031 hPa1028 hPa1028 hPa1029 hPa1029 hPa
Cloud cover25%9%0%0%3%5%0%0%
Heat index7°C (44°F)6°C (43°F)6°C (42°F)6°C (42°F)5°C (42°F)7°C (45°F)6°C (43°F)9°C (48°F)
Dew point-2°C (28°F)-1°C (30°F)-0°C (31°F)-0°C (32°F)-3°C (27°F)-5°C (23°F)-4°C (25°F)1°C (33°F)
Wind
Speed7km/h (4mph)10km/h (6mph)12km/h (7mph)13km/h (8mph)9km/h (5mph)4km/h (2mph)13km/h (8mph)13km/h (8mph)
Gusts9km/h (6mph)13km/h (8mph)16km/h (10mph)17km/h (11mph)15km/h (9mph)7km/h (4mph)26km/h (16mph)19km/h (12mph)
Direction 165°
SSE
161°
SSE
133°
SE
118°
ESE
124°
SE
144°
SE
153°
SSE
157°
SSE
Wind chill5°C (41°F)4°C (39°F)3°C (38°F)3°C (38°F)3°C (38°F)7°C (45°F)3°C (38°F)7°C (44°F)
Waves
Height1.1m (3.7ft)1.0m (3.4ft)1.0m (3.1ft)0.9m (2.9ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.8ft)
Direction 325°
NW
325°
NW
324°
NW
327°
NNW
326°
NW
326°
NW
329°
NNW
329°
NNW
Period7.5 sec.7.5 sec.7.3 sec.7.0 sec.6.9 sec.6.7 sec.6.4 sec.6.2 sec.
Significant height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units