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
Friday 5 December 202543°F to 47°Fnot recommended
Saturday 6 December 202543°F to 47°Fdiscouraged
Sunday 7 December 202545°F to 58°Fnot recommended
Monday 8 December 202549°F to 58°Fnot recommended
Tuesday 9 December 202545°F to 47°Fnot recommended
Wednesday 10 December 202547°F to 50°Fdiscouraged
Thursday 11 December 202547°F to 52°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Niigata

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:44 and will set at 16:24 on the beach(es) of Niigata. The outside temperature will be a high of 47°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 32.3mph km/h (with gusts up to 38.5mph). Wave height will be up to 9.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (44°F)8°C (46°F)7°C (45°F)8°C (46°F)
Perceived temperature2°C (35°F)1°C (33°F)2°C (36°F)3°C (37°F)2°C (35°F)3°C (37°F)2°C (36°F)3°C (37°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity86%84%56%59%68%60%61%62%
Barometric pressure1011 hPa1014 hPa1014 hPa1015 hPa1016 hPa1018 hPa1020 hPa1022 hPa
Cloud cover100%100%79%84%100%78%74%89%
Heat index7°C (45°F)7°C (44°F)8°C (46°F)7°C (45°F)7°C (44°F)8°C (46°F)7°C (45°F)8°C (46°F)
Dew point5°C (41°F)4°C (39°F)-0°C (31°F)-0°C (32°F)1°C (34°F)0°C (33°F)0°C (32°F)1°C (33°F)
Wind
Speed45km/h (28mph)52km/h (32mph)50km/h (31mph)34km/h (21mph)41km/h (25mph)45km/h (28mph)38km/h (24mph)37km/h (23mph)
Gusts51km/h (32mph)54km/h (33mph)62km/h (39mph)44km/h (28mph)54km/h (34mph)46km/h (29mph)49km/h (30mph)46km/h (28mph)
Direction 225°
SW
308°
NW
308°
NW
309°
NW
308°
NW
297°
WNW
289°
WNW
285°
WNW
Wind chill2°C (35°F)1°C (33°F)2°C (36°F)3°C (37°F)2°C (35°F)3°C (37°F)2°C (36°F)3°C (37°F)
Waves
Height2.4m (8.0ft)2.7m (8.8ft)3.0m (9.9ft)2.9m (9.4ft)2.6m (8.6ft)2.4m (7.8ft)2.1m (6.8ft)2.0m (6.6ft)
Direction 317°
NW
318°
NW
317°
NW
319°
NW
320°
NW
319°
NW
318°
NW
318°
NW
Period9.8 sec.9.1 sec.8.6 sec.8.7 sec.8.7 sec.8.5 sec.8.1 sec.8.0 sec.
Significant height1.3m (4.3ft)2.0m (6.6ft)1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.3m (4.3ft)1.1m (3.6ft)1.2m (3.9ft)
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 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:45 and will set at 16:24 on the beach(es) of Niigata. The outside temperature will be a high of 47°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 18mph km/h (with gusts up to 21.8mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)6°C (43°F)7°C (45°F)7°C (44°F)8°C (46°F)7°C (45°F)8°C (46°F)
Perceived temperature4°C (39°F)5°C (41°F)2°C (36°F)3°C (37°F)4°C (38°F)5°C (41°F)4°C (39°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%59%91%72%62%58%66%66%
Barometric pressure1022 hPa1023 hPa1024 hPa1025 hPa1023 hPa1022 hPa1022 hPa1022 hPa
Cloud cover100%93%100%65%2%5%91%6%
Heat index8°C (46°F)8°C (46°F)6°C (43°F)7°C (45°F)7°C (44°F)8°C (46°F)7°C (45°F)8°C (46°F)
Dew point1°C (33°F)0°C (33°F)5°C (41°F)2°C (36°F)-0°C (32°F)0°C (32°F)1°C (34°F)2°C (35°F)
Wind
Speed29km/h (18mph)18km/h (11mph)24km/h (15mph)26km/h (16mph)17km/h (11mph)18km/h (11mph)22km/h (13mph)25km/h (16mph)
Gusts35km/h (22mph)23km/h (14mph)29km/h (18mph)31km/h (19mph)28km/h (17mph)30km/h (18mph)30km/h (19mph)33km/h (20mph)
Direction 274°
W
249°
WSW
176°
S
190°
S
196°
SSW
179°
S
161°
SSE
192°
SSW
Wind chill4°C (39°F)5°C (41°F)2°C (36°F)3°C (37°F)4°C (38°F)5°C (41°F)4°C (39°F)4°C (39°F)
Waves
Height1.9m (6.2ft)1.8m (5.9ft)1.7m (5.5ft)1.5m (5.1ft)1.4m (4.5ft)1.2m (4.0ft)1.1m (3.5ft)1.0m (3.1ft)
Direction 318°
NW
317°
NW
317°
NW
317°
NW
317°
NW
317°
NW
315°
NW
313°
NW
Period8.0 sec.8.6 sec.8.8 sec.8.5 sec.8.3 sec.8.2 sec.7.8 sec.7.5 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.5m (1.6ft)0.3m (1ft)0.6m (2ft)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 Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:46 and will set at 16:24 on the beach(es) of Niigata. The outside temperature will be a high of 58°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 29.2mph km/h (with gusts up to 39.2mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)9°C (47°F)10°C (50°F)13°C (55°F)13°C (56°F)13°C (55°F)14°C (57°F)
Perceived temperature4°C (39°F)4°C (38°F)5°C (41°F)6°C (44°F)10°C (50°F)10°C (50°F)10°C (49°F)11°C (52°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%64%67%72%67%67%71%65%
Barometric pressure1021 hPa1020 hPa1020 hPa1020 hPa1018 hPa1017 hPa1018 hPa1018 hPa
Cloud cover5%11%53%100%100%60%60%55%
Heat index8°C (46°F)7°C (45°F)9°C (47°F)10°C (50°F)13°C (55°F)13°C (56°F)13°C (55°F)14°C (57°F)
Dew point2°C (35°F)1°C (34°F)3°C (37°F)5°C (41°F)7°C (45°F)7°C (45°F)8°C (46°F)7°C (45°F)
Wind
Speed24km/h (15mph)23km/h (14mph)28km/h (18mph)32km/h (20mph)46km/h (29mph)46km/h (28mph)47km/h (29mph)44km/h (28mph)
Gusts30km/h (19mph)30km/h (18mph)39km/h (24mph)42km/h (26mph)63km/h (39mph)48km/h (30mph)53km/h (33mph)50km/h (31mph)
Direction 187°
S
185°
S
181°
S
208°
SSW
238°
WSW
241°
WSW
235°
SW
245°
WSW
Wind chill4°C (39°F)4°C (38°F)5°C (41°F)6°C (44°F)10°C (50°F)10°C (50°F)10°C (49°F)11°C (52°F)
Waves
Height1.0m (3.3ft)1.0m (3.4ft)1.2m (4.0ft)1.7m (5.6ft)2.1m (6.9ft)2.5m (8.1ft)2.5m (8.1ft)2.3m (7.4ft)
Direction 302°
WNW
294°
WNW
290°
WNW
288°
WNW
284°
WNW
260°
W
297°
WNW
292°
WNW
Period7.6 sec.8.2 sec.8.6 sec.8.6 sec.8.8 sec.6.3 sec.9.3 sec.9.1 sec.
Significant height0.9m (3ft)0.9m (3ft)0.8m (2.6ft)1.4m (4.6ft)1.6m (5.2ft)2.0m (6.6ft)1.4m (4.6ft)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 Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:47 and will set at 16:24 on the beach(es) of Niigata. The outside temperature will be a high of 58°F t and a low of 49°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 37.9mph km/h (with gusts up to 41mph). Wave height will be up to 9.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (58°F)14°C (57°F)14°C (58°F)13°C (55°F)10°C (50°F)9°C (48°F)9°C (49°F)
Perceived temperature11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)9°C (48°F)6°C (42°F)5°C (41°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%62%64%69%64%70%73%69%
Barometric pressure1017 hPa1016 hPa1016 hPa1016 hPa1015 hPa1017 hPa1019 hPa1020 hPa
Cloud cover74%75%95%80%100%100%100%100%
Heat index14°C (57°F)14°C (58°F)14°C (57°F)14°C (58°F)13°C (55°F)10°C (50°F)9°C (48°F)9°C (49°F)
Dew point7°C (45°F)7°C (45°F)7°C (45°F)9°C (47°F)6°C (43°F)5°C (41°F)5°C (40°F)4°C (39°F)
Wind
Speed43km/h (27mph)48km/h (30mph)49km/h (30mph)55km/h (34mph)61km/h (38mph)49km/h (30mph)41km/h (25mph)43km/h (27mph)
Gusts58km/h (36mph)54km/h (34mph)66km/h (41mph)60km/h (38mph)64km/h (40mph)61km/h (38mph)51km/h (32mph)58km/h (36mph)
Direction 244°
WSW
254°
WSW
248°
WSW
248°
WSW
275°
W
299°
WNW
302°
WNW
297°
WNW
Wind chill11°C (52°F)11°C (52°F)11°C (52°F)11°C (52°F)9°C (48°F)6°C (42°F)5°C (41°F)5°C (41°F)
Waves
Height2.0m (6.7ft)1.9m (6.3ft)1.9m (6.4ft)2.4m (7.9ft)2.9m (9.4ft)2.9m (9.6ft)2.3m (7.7ft)2.0m (6.7ft)
Direction 293°
WNW
292°
WNW
252°
WSW
262°
W
273°
W
292°
WNW
298°
WNW
294°
WNW
Period8.9 sec.8.9 sec.8.5 sec.6.3 sec.7.5 sec.8.9 sec.9.5 sec.9.2 sec.
Significant height1.2m (3.9ft)1.4m (4.6ft)1.5m (4.9ft)2.0m (6.6ft)2.1m (6.9ft)1.5m (4.9ft)1.2m (3.9ft)1.0m (3.3ft)
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 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:48 and will set at 16:24 on the beach(es) of Niigata. 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! Be careful, the sea will be generally rough with a wind speed of up to 28mph km/h (with gusts up to 34.2mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)8°C (47°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)8°C (46°F)
Perceived temperature4°C (38°F)3°C (38°F)2°C (36°F)2°C (36°F)2°C (36°F)2°C (36°F)2°C (36°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%59%63%61%63%62%61%58%
Barometric pressure1021 hPa1022 hPa1023 hPa1025 hPa1024 hPa1025 hPa1027 hPa1027 hPa
Cloud cover100%100%100%100%100%100%81%81%
Heat index8°C (47°F)8°C (47°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)8°C (46°F)
Dew point2°C (36°F)1°C (33°F)1°C (33°F)0°C (33°F)1°C (33°F)0°C (32°F)-0°C (32°F)-0°C (32°F)
Wind
Speed45km/h (28mph)45km/h (28mph)45km/h (28mph)42km/h (26mph)44km/h (27mph)40km/h (25mph)37km/h (23mph)35km/h (21mph)
Gusts53km/h (33mph)55km/h (34mph)52km/h (32mph)48km/h (30mph)51km/h (32mph)48km/h (30mph)47km/h (29mph)46km/h (28mph)
Direction 306°
NW
312°
NW
306°
NW
308°
NW
303°
WNW
301°
WNW
296°
WNW
296°
WNW
Wind chill4°C (38°F)3°C (38°F)2°C (36°F)2°C (36°F)2°C (36°F)2°C (36°F)2°C (36°F)3°C (38°F)
Waves
Height1.9m (6.2ft)1.8m (6.0ft)2.1m (6.9ft)2.1m (6.8ft)2.0m (6.5ft)1.9m (6.2ft)1.9m (6.4ft)1.9m (6.3ft)
Direction 291°
WNW
311°
NW
312°
NW
304°
WNW
306°
NW
309°
NW
313°
NW
318°
NW
Period8.5 sec.7.4 sec.7.2 sec.7.7 sec.8.0 sec.7.1 sec.7.4 sec.7.6 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)
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 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:49 and will set at 16:24 on the beach(es) of Niigata. The outside temperature will be a high of 50°F t and a low of 47°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 19.9mph km/h (with gusts up to 26.1mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (47°F)8°C (46°F)8°C (46°F)8°C (46°F)10°C (49°F)9°C (48°F)9°C (48°F)
Perceived temperature4°C (39°F)5°C (40°F)5°C (42°F)4°C (39°F)5°C (41°F)6°C (43°F)5°C (41°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%54%57%73%62%60%66%64%
Barometric pressure1027 hPa1027 hPa1027 hPa1027 hPa1025 hPa1025 hPa1025 hPa1024 hPa
Cloud cover92%86%82%76%83%100%100%100%
Heat index8°C (46°F)8°C (47°F)8°C (46°F)8°C (46°F)8°C (46°F)10°C (49°F)9°C (48°F)9°C (48°F)
Dew point-0°C (31°F)-1°C (31°F)0°C (32°F)3°C (37°F)1°C (34°F)2°C (36°F)3°C (37°F)3°C (37°F)
Wind
Speed28km/h (17mph)24km/h (15mph)16km/h (10mph)24km/h (15mph)20km/h (13mph)27km/h (17mph)28km/h (17mph)32km/h (20mph)
Gusts34km/h (21mph)30km/h (19mph)20km/h (13mph)30km/h (19mph)28km/h (17mph)36km/h (22mph)38km/h (24mph)42km/h (26mph)
Direction 289°
WNW
289°
WNW
246°
WSW
194°
SSW
210°
SSW
220°
SW
183°
S
192°
SSW
Wind chill4°C (39°F)5°C (40°F)5°C (42°F)4°C (39°F)5°C (41°F)6°C (43°F)5°C (41°F)5°C (41°F)
Waves
Height1.9m (6.2ft)2.0m (6.7ft)1.9m (6.2ft)1.8m (5.8ft)1.6m (5.4ft)1.5m (4.9ft)1.4m (4.5ft)1.3m (4.3ft)
Direction 323°
NW
326°
NW
327°
NNW
329°
NNW
330°
NNW
333°
NNW
331°
NNW
334°
NNW
Period7.8 sec.7.8 sec.8.3 sec.8.1 sec.8.1 sec.7.7 sec.7.6 sec.7.5 sec.
Significant height1.8m (5.9ft)1.8m (5.9ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)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 Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:50 and will set at 16:25 on the beach(es) of Niigata. The outside temperature will be a high of 52°F t and a low of 47°F. Precipitation is in the forecast (0.6in 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 21.8mph km/h (with gusts up to 31.1mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)10°C (49°F)10°C (51°F)11°C (51°F)9°C (49°F)8°C (46°F)8°C (46°F)8°C (46°F)
Perceived temperature5°C (42°F)6°C (43°F)7°C (44°F)7°C (45°F)6°C (43°F)5°C (42°F)6°C (43°F)8°C (46°F)
Precipitation0in0in0.3in0.1in0.1in0in0in0in
Humidity66%70%83%80%86%85%87%88%
Barometric pressure1023 hPa1022 hPa1022 hPa1022 hPa1021 hPa1021 hPa1022 hPa1022 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index9°C (49°F)10°C (49°F)10°C (51°F)11°C (51°F)9°C (49°F)8°C (46°F)8°C (46°F)8°C (46°F)
Dew point3°C (38°F)4°C (40°F)8°C (46°F)7°C (45°F)7°C (45°F)6°C (42°F)5°C (42°F)6°C (43°F)
Wind
Speed35km/h (21mph)35km/h (21mph)35km/h (22mph)31km/h (19mph)23km/h (14mph)16km/h (10mph)8km/h (5mph)4km/h (3mph)
Gusts44km/h (27mph)44km/h (28mph)50km/h (31mph)34km/h (21mph)30km/h (19mph)22km/h (13mph)12km/h (7mph)6km/h (4mph)
Direction 198°
SSW
208°
SSW
246°
WSW
313°
NW
20°
NNE
76°
ENE
150°
SSE
295°
WNW
Wind chill5°C (42°F)6°C (43°F)7°C (44°F)7°C (45°F)6°C (43°F)5°C (42°F)6°C (43°F)8°C (46°F)
Waves
Height1.1m (3.8ft)1.0m (3.3ft)0.9m (3.1ft)1.1m (3.5ft)1.4m (4.6ft)1.8m (5.8ft)1.5m (5.0ft)1.4m (4.7ft)
Direction 337°
NNW
340°
NNW
335°
NNW
331°
NNW
312°
NW
299°
WNW
301°
WNW
312°
NW
Period7.6 sec.6.8 sec.6.7 sec.6.3 sec.6.5 sec.7.5 sec.7.5 sec.6.1 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)1.2m (3.9ft)1.4m (4.6ft)1.5m (4.9ft)1.4m (4.6ft)1.2m (3.9ft)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

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