Sea weather in Joetsu in Japan All the beach weather in Joetsu
All the essential weather information for enjoying the beach in Joetsu 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 Joetsu over the next 7 days?
Discover the best moment to go to the beach in Joetsu in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Joetsu. You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Thursday 29 January 2026 | 31°F to 34°F | 16.8mph | not recommended | all the sea weather |
| Friday 30 January 2026 | 34°F to 34°F | 27.3mph | not recommended | all the sea weather |
| Saturday 31 January 2026 | 32°F to 36°F | 17.4mph | not recommended | all the sea weather |
| Sunday 1 February 2026 | 31°F to 38°F | 16.2mph | not recommended | all the sea weather |
| Monday 2 February 2026 | 34°F to 36°F | 11.8mph | not recommended | all the sea weather |
| Tuesday 3 February 2026 | 34°F to 38°F | 9.9mph | not recommended | all the sea weather |
| Wednesday 4 February 2026 | 31°F to 40°F | 9.9mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Joetsu
Sea weather on Thursday 29 January 2026
On Thursday 29 January 2026, the sun will rise at 06:53 and will set at 17:08 on the beach(es) of Joetsu. The outside temperature will be a high of 34°F t and a low of 31°F. Precipitation is in the forecast (0.3in 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 19.3mph km/h (with gusts up to 26.1mph). Wave height will be up to 7.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  |  |  | | | |
| Outside temperature | -1°C (30°F) | -0°C (31°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 1°C (33°F) | 0°C (33°F) |
| Perceived temperature | -5°C (23°F) | -6°C (22°F) | -6°C (22°F) | -5°C (23°F) | -6°C (22°F) | -4°C (24°F) | -5°C (23°F) | -6°C (22°F) |
| Precipitation | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 94% | 88% | 92% | 83% | 75% | 73% | 80% |
| Barometric pressure | 1020 hPa | 1020 hPa | 1020 hPa | 1021 hPa | 1020 hPa | 1019 hPa | 1019 hPa | 1019 hPa |
| Cloud cover | 61% | 100% | 100% | 100% | 100% | 98% | 100% | 100% |
| Heat index | -1°C (30°F) | -0°C (31°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 1°C (33°F) | 0°C (33°F) |
| Dew point | -2°C (28°F) | -1°C (30°F) | -1°C (30°F) | -1°C (31°F) | -2°C (29°F) | -3°C (27°F) | -4°C (26°F) | -3°C (27°F) |
| Wind | ||||||||
| Speed | 12km/h (8mph) | 21km/h (13mph) | 29km/h (18mph) | 24km/h (15mph) | 31km/h (19mph) | 24km/h (15mph) | 25km/h (15mph) | 27km/h (17mph) |
| Gusts | 19km/h (12mph) | 31km/h (19mph) | 39km/h (25mph) | 38km/h (23mph) | 42km/h (26mph) | 36km/h (22mph) | 33km/h (21mph) | 36km/h (22mph) |
| Direction | 230° SW | 305° NW | 316° NW | 305° NW | 310° NW | 304° WNW | 325° NW | 320° NW |
| Wind chill | -5°C (23°F) | -6°C (22°F) | -6°C (22°F) | -5°C (23°F) | -6°C (22°F) | -4°C (24°F) | -5°C (23°F) | -6°C (22°F) |
| Waves | ||||||||
| Height | 1.6m (5.3ft) | 1.7m (5.4ft) | 1.9m (6.2ft) | 2.1m (7.0ft) | 2.1m (7.0ft) | 2.2m (7.1ft) | 2.0m (6.7ft) | 1.9m (6.1ft) |
| Direction | 321° NW | 322° NW | 324° NW | 323° NW | 324° NW | 324° NW | 325° NW | 324° NW |
| Period | 8.1 sec. | 7.9 sec. | 7.7 sec. | 7.8 sec. | 8.6 sec. | 7.8 sec. | 8.2 sec. | 8.2 sec. |
| Significant height | 0.2m (0.7ft) | 0.4m (1.3ft) | 1.1m (3.6ft) | 0.6m (2ft) | 1.0m (3.3ft) | 0.6m (2ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Friday 30 January 2026
On Friday 30 January 2026, the sun will rise at 06:52 and will set at 17:09 on the beach(es) of Joetsu. The outside temperature will be a high of 34°F t and a low of 34°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 27.3mph km/h (with gusts up to 38.5mph). Wave height will be up to 8.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (33°F) | 1°C (34°F) |
| Perceived temperature | -5°C (22°F) | -6°C (22°F) | -6°C (21°F) | -6°C (21°F) | -6°C (21°F) | -6°C (21°F) | -6°C (20°F) | -7°C (20°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 71% | 73% | 72% | 74% | 70% | 75% | 73% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1020 hPa | 1021 hPa | 1020 hPa | 1020 hPa | 1021 hPa | 1021 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 82% | 100% | 100% |
| Heat index | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (33°F) | 1°C (34°F) |
| Dew point | -3°C (26°F) | -3°C (26°F) | -3°C (26°F) | -3°C (26°F) | -3°C (26°F) | -4°C (25°F) | -3°C (26°F) | -3°C (26°F) |
| Wind | ||||||||
| Speed | 33km/h (20mph) | 39km/h (24mph) | 41km/h (25mph) | 42km/h (26mph) | 43km/h (27mph) | 43km/h (27mph) | 40km/h (25mph) | 44km/h (28mph) |
| Gusts | 42km/h (26mph) | 54km/h (34mph) | 50km/h (31mph) | 56km/h (35mph) | 54km/h (34mph) | 48km/h (30mph) | 52km/h (32mph) | 62km/h (39mph) |
| Direction | 318° NW | 304° WNW | 298° WNW | 293° WNW | 286° WNW | 285° WNW | 288° WNW | 288° WNW |
| Wind chill | -5°C (22°F) | -6°C (22°F) | -6°C (21°F) | -6°C (21°F) | -6°C (21°F) | -6°C (21°F) | -6°C (20°F) | -7°C (20°F) |
| Waves | ||||||||
| Height | 1.8m (5.9ft) | 2.0m (6.4ft) | 2.3m (7.6ft) | 2.6m (8.5ft) | 2.6m (8.5ft) | 2.6m (8.5ft) | 2.6m (8.5ft) | 2.7m (8.8ft) |
| Direction | 325° NW | 326° NW | 323° NW | 321° NW | 319° NW | 315° NW | 314° NW | 316° NW |
| Period | 8.2 sec. | 8.3 sec. | 8.0 sec. | 8.1 sec. | 8.2 sec. | 8.5 sec. | 8.6 sec. | 8.7 sec. |
| Significant height | 0.3m (1ft) | 0.5m (1.6ft) | 0.9m (3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Saturday 31 January 2026
On Saturday 31 January 2026, the sun will rise at 06:51 and will set at 17:10 on the beach(es) of Joetsu. The outside temperature will be a high of 36°F t and a low of 32°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 30.5mph km/h (with gusts up to 38.5mph). Wave height will be up to 10.5ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 1°C (33°F) | -0°C (31°F) |
| Perceived temperature | -7°C (19°F) | -7°C (19°F) | -7°C (20°F) | -5°C (23°F) | -5°C (23°F) | -4°C (24°F) | -6°C (21°F) | -7°C (20°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 77% | 75% | 71% | 75% | 73% | 79% | 86% |
| Barometric pressure | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1022 hPa | 1022 hPa |
| Cloud cover | 97% | 100% | 100% | 94% | 88% | 59% | 53% | 60% |
| Heat index | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 1°C (33°F) | -0°C (31°F) |
| Dew point | -4°C (26°F) | -3°C (27°F) | -3°C (27°F) | -3°C (27°F) | -2°C (28°F) | -2°C (28°F) | -3°C (27°F) | -2°C (28°F) |
| Wind | ||||||||
| Speed | 47km/h (29mph) | 49km/h (30mph) | 47km/h (29mph) | 41km/h (26mph) | 40km/h (25mph) | 40km/h (25mph) | 35km/h (22mph) | 28km/h (17mph) |
| Gusts | 59km/h (36mph) | 54km/h (34mph) | 62km/h (38mph) | 44km/h (28mph) | 54km/h (34mph) | 46km/h (28mph) | 37km/h (23mph) | 45km/h (28mph) |
| Direction | 286° WNW | 287° WNW | 293° WNW | 284° WNW | 274° W | 271° W | 257° WSW | 243° WSW |
| Wind chill | -7°C (19°F) | -7°C (19°F) | -7°C (20°F) | -5°C (23°F) | -5°C (23°F) | -4°C (24°F) | -6°C (21°F) | -7°C (20°F) |
| Waves | ||||||||
| Height | 2.7m (8.9ft) | 2.9m (9.6ft) | 3.2m (10.4ft) | 3.1m (10.0ft) | 2.9m (9.4ft) | 2.7m (8.8ft) | 2.6m (8.5ft) | 2.5m (8.3ft) |
| Direction | 317° NW | 317° NW | 316° NW | 316° NW | 316° NW | 315° NW | 315° NW | 315° NW |
| Period | 8.8 sec. | 8.8 sec. | 8.8 sec. | 9.0 sec. | 9.1 sec. | 8.8 sec. | 8.6 sec. | 8.5 sec. |
| Significant height | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Sunday 1 February 2026
On Sunday 1 February 2026, the sun will rise at 06:50 and will set at 17:11 on the beach(es) of Joetsu. The outside temperature will be a high of 38°F t and a low of 31°F. Precipitation is in the forecast (0.3in 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 16.2mph km/h (with gusts up to 24.2mph). Wave height will be up to 7.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | |  | | | | | |
| Outside temperature | 0°C (32°F) | 0°C (32°F) | -1°C (30°F) | 2°C (35°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) |
| Perceived temperature | -6°C (22°F) | -5°C (23°F) | -6°C (22°F) | -2°C (28°F) | -2°C (28°F) | -2°C (29°F) | -3°C (26°F) | -4°C (25°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0.1in | 0.1in | 0.1in | 0.1in |
| Humidity | 82% | 76% | 71% | 69% | 95% | 98% | 91% | 90% |
| Barometric pressure | 1021 hPa | 1020 hPa | 1019 hPa | 1018 hPa | 1016 hPa | 1016 hPa | 1017 hPa | 1019 hPa |
| Cloud cover | 63% | 60% | 60% | 51% | 82% | 100% | 100% | 100% |
| Heat index | 0°C (32°F) | 0°C (32°F) | -1°C (30°F) | 2°C (35°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) |
| Dew point | -2°C (28°F) | -3°C (26°F) | -6°C (22°F) | -3°C (26°F) | 2°C (35°F) | 2°C (36°F) | 1°C (33°F) | 0°C (33°F) |
| Wind | ||||||||
| Speed | 26km/h (16mph) | 19km/h (12mph) | 16km/h (10mph) | 14km/h (9mph) | 19km/h (12mph) | 18km/h (11mph) | 25km/h (15mph) | 26km/h (16mph) |
| Gusts | 39km/h (24mph) | 31km/h (19mph) | 27km/h (17mph) | 20km/h (12mph) | 26km/h (16mph) | 26km/h (16mph) | 34km/h (21mph) | 36km/h (23mph) |
| Direction | 247° WSW | 235° SW | 179° S | 245° WSW | 253° WSW | 283° WNW | 326° NNW | 326° NNW |
| Wind chill | -6°C (22°F) | -5°C (23°F) | -6°C (22°F) | -2°C (28°F) | -2°C (28°F) | -2°C (29°F) | -3°C (26°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 2.4m (7.7ft) | 2.2m (7.1ft) | 2.0m (6.7ft) | 1.9m (6.4ft) | 1.9m (6.2ft) | 1.9m (6.1ft) | 1.9m (6.3ft) | 2.0m (6.5ft) |
| Direction | 316° NW | 316° NW | 317° NW | 318° NW | 320° NW | 321° NW | 322° NW | 323° NW |
| Period | 8.8 sec. | 8.8 sec. | 8.7 sec. | 8.7 sec. | 8.6 sec. | 8.6 sec. | 8.5 sec. | 8.4 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Monday 2 February 2026
On Monday 2 February 2026, the sun will rise at 06:49 and will set at 17:12 on the beach(es) of Joetsu. The outside temperature will be a high of 36°F t and a low of 34°F. Precipitation is in the forecast (0.5in 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 22.4mph). Wave height will be up to 6.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 2°C (35°F) | 1°C (35°F) | 1°C (34°F) | 1°C (35°F) | 2°C (36°F) | 1°C (34°F) | 1°C (33°F) | 1°C (34°F) |
| Perceived temperature | -3°C (26°F) | -4°C (25°F) | -4°C (25°F) | -3°C (26°F) | -1°C (29°F) | -2°C (28°F) | -3°C (27°F) | -4°C (25°F) |
| Precipitation | 0in | 0.1in | 0in | 0.1in | 0in | 0.1in | 0.1in | 0.1in |
| Humidity | 89% | 94% | 88% | 93% | 79% | 97% | 99% | 96% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1019 hPa | 1020 hPa | 1019 hPa | 1018 hPa | 1018 hPa | 1019 hPa |
| Cloud cover | 100% | 100% | 96% | 84% | 100% | 100% | 100% | 100% |
| Heat index | 2°C (35°F) | 1°C (35°F) | 1°C (34°F) | 1°C (35°F) | 2°C (36°F) | 1°C (34°F) | 1°C (33°F) | 1°C (34°F) |
| Dew point | -0°C (32°F) | 0°C (33°F) | -1°C (31°F) | 0°C (33°F) | -1°C (30°F) | 1°C (33°F) | 0°C (33°F) | 1°C (33°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 24km/h (15mph) | 23km/h (14mph) | 17km/h (11mph) | 14km/h (9mph) | 10km/h (6mph) | 10km/h (6mph) | 19km/h (12mph) |
| Gusts | 23km/h (15mph) | 36km/h (22mph) | 33km/h (20mph) | 26km/h (16mph) | 19km/h (12mph) | 15km/h (9mph) | 14km/h (9mph) | 27km/h (17mph) |
| Direction | 306° NW | 282° WNW | 256° WSW | 298° WNW | 275° W | 291° WNW | 345° NNW | 1° N |
| Wind chill | -3°C (26°F) | -4°C (25°F) | -4°C (25°F) | -3°C (26°F) | -1°C (29°F) | -2°C (28°F) | -3°C (27°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 2.0m (6.7ft) | 2.0m (6.5ft) | 1.9m (6.2ft) | 1.8m (5.9ft) | 1.7m (5.7ft) | 1.8m (5.9ft) | 2.0m (6.5ft) | 2.0m (6.5ft) |
| Direction | 323° NW | 323° NW | 322° NW | 322° NW | 322° NW | 322° NW | 321° NW | 310° NW |
| Period | 8.4 sec. | 8.5 sec. | 8.5 sec. | 8.5 sec. | 8.5 sec. | 8.3 sec. | 7.7 sec. | 7.2 sec. |
| Significant height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Tuesday 3 February 2026
On Tuesday 3 February 2026, the sun will rise at 06:48 and will set at 17:14 on the beach(es) of Joetsu. The outside temperature will be a high of 38°F t and a low of 34°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 18mph km/h (with gusts up to 28mph). Wave height will be up to 8.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | |  |
| Outside temperature | 2°C (36°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) | 2°C (36°F) | 1°C (35°F) |
| Perceived temperature | -3°C (27°F) | -3°C (26°F) | -3°C (27°F) | -2°C (28°F) | -3°C (27°F) | -2°C (29°F) | -2°C (28°F) | -3°C (27°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 75% | 69% | 71% | 79% | 75% | 70% | 71% |
| Barometric pressure | 1020 hPa | 1021 hPa | 1022 hPa | 1024 hPa | 1024 hPa | 1024 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 100% | 100% | 94% | 99% | 79% | 75% | 84% | 57% |
| Heat index | 2°C (36°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) | 2°C (36°F) | 1°C (35°F) |
| Dew point | -1°C (31°F) | -2°C (29°F) | -2°C (28°F) | -2°C (29°F) | -0°C (31°F) | -1°C (31°F) | -2°C (28°F) | -3°C (26°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 27km/h (17mph) | 27km/h (17mph) | 28km/h (17mph) | 28km/h (17mph) | 29km/h (18mph) | 21km/h (13mph) | 16km/h (10mph) |
| Gusts | 29km/h (18mph) | 42km/h (26mph) | 35km/h (22mph) | 42km/h (26mph) | 38km/h (24mph) | 45km/h (28mph) | 36km/h (22mph) | 28km/h (17mph) |
| Direction | 343° NNW | 315° NW | 300° WNW | 286° WNW | 270° W | 275° W | 268° W | 216° SW |
| Wind chill | -3°C (27°F) | -3°C (26°F) | -3°C (27°F) | -2°C (28°F) | -3°C (27°F) | -2°C (29°F) | -2°C (28°F) | -3°C (27°F) |
| Waves | ||||||||
| Height | 1.9m (6.2ft) | 1.9m (6.3ft) | 2.5m (8.2ft) | 2.3m (7.4ft) | 2.0m (6.5ft) | 1.7m (5.6ft) | 1.5m (4.9ft) | 1.3m (4.3ft) |
| Direction | 310° NW | 305° NW | 302° WNW | 302° WNW | 300° WNW | 298° WNW | 296° WNW | 304° NW |
| Period | 7.6 sec. | 7.6 sec. | 7.4 sec. | 8.1 sec. | 8.1 sec. | 8.0 sec. | 8.1 sec. | 7.9 sec. |
| Significant height | 0.8m (2.6ft) | 0.9m (3ft) | 1.1m (3.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Wednesday 4 February 2026
On Wednesday 4 February 2026, the sun will rise at 06:48 and will set at 17:15 on the beach(es) of Joetsu. The outside temperature will be a high of 40°F t and a low of 31°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 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | |  | | | | |
| Outside temperature | 0°C (32°F) | -0°C (31°F) | -1°C (31°F) | 2°C (36°F) | 3°C (37°F) | 4°C (38°F) | 3°C (38°F) | 3°C (38°F) |
| Perceived temperature | -4°C (25°F) | -5°C (23°F) | -5°C (22°F) | -2°C (28°F) | -1°C (31°F) | 1°C (33°F) | -1°C (31°F) | -0°C (31°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 71% | 70% | 66% | 73% | 82% | 74% | 68% |
| Barometric pressure | 1026 hPa | 1024 hPa | 1025 hPa | 1024 hPa | 1021 hPa | 1020 hPa | 1020 hPa | 1019 hPa |
| Cloud cover | 4% | 0% | 0% | 0% | 3% | 17% | 29% | 94% |
| Heat index | 0°C (32°F) | -0°C (31°F) | -1°C (31°F) | 2°C (36°F) | 3°C (37°F) | 4°C (38°F) | 3°C (38°F) | 3°C (38°F) |
| Dew point | -5°C (24°F) | -5°C (23°F) | -5°C (22°F) | -4°C (26°F) | -2°C (29°F) | 1°C (33°F) | -1°C (30°F) | -2°C (28°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 15km/h (10mph) | 16km/h (10mph) | 16km/h (10mph) | 14km/h (9mph) | 11km/h (7mph) | 17km/h (11mph) | 16km/h (10mph) |
| Gusts | 25km/h (15mph) | 29km/h (18mph) | 30km/h (18mph) | 23km/h (14mph) | 24km/h (15mph) | 19km/h (12mph) | 33km/h (21mph) | 30km/h (18mph) |
| Direction | 186° S | 178° S | 175° S | 169° SSE | 183° S | 199° SSW | 218° SW | 171° S |
| Wind chill | -4°C (25°F) | -5°C (23°F) | -5°C (22°F) | -2°C (28°F) | -1°C (31°F) | 1°C (33°F) | -1°C (31°F) | -0°C (31°F) |
| Waves | ||||||||
| Height | 1.2m (3.9ft) | 1.1m (3.5ft) | 1.0m (3.3ft) | 1.0m (3.4ft) | 1.1m (3.8ft) | 1.3m (4.2ft) | 1.2m (4.1ft) | 1.3m (4.2ft) |
| Direction | 306° NW | 306° NW | 311° NW | 308° NW | 302° WNW | 293° WNW | 293° WNW | 292° WNW |
| Period | 7.7 sec. | 7.3 sec. | 6.8 sec. | 5.5 sec. | 6.1 sec. | 6.5 sec. | 6.2 sec. | 6.3 sec. |
| Significant height | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |