Sea weather in Karatsu in Japan All the beach weather in Karatsu
All the essential weather information for enjoying the beach in Karatsu 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 Karatsu over the next 7 days?
Discover the best moment to go to the beach in Karatsu in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Karatsu. 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 |
|---|---|---|---|---|
| Wednesday 3 June 2026 | 68°F to 72°F | 4.4mph | discouraged | all the sea weather |
| Thursday 4 June 2026 | 68°F to 70°F | 8.1mph | recommended | all the sea weather |
| Friday 5 June 2026 | 68°F to 72°F | 8.1mph | recommended | all the sea weather |
| Saturday 6 June 2026 | 68°F to 72°F | 9.3mph | discouraged | all the sea weather |
| Sunday 7 June 2026 | 70°F to 76°F | 18mph | discouraged | all the sea weather |
| Monday 8 June 2026 | 67°F to 68°F | 4.4mph | discouraged | all the sea weather |
| Tuesday 9 June 2026 | 65°F to 70°F | 4.4mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Karatsu
Sea weather on Wednesday 3 June 2026
On Wednesday 3 June 2026, the sun will rise at 05:11 and will set at 19:26 on the beach(es) of Karatsu. The outside temperature will be a high of 72°F t and a low of 68°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 19.3mph km/h (with gusts up to 28.6mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | |  |  | |  | |
| Outside temperature | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (69°F) | 21°C (69°F) |
| Perceived temperature | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (69°F) | 21°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 95% | 96% | 96% | 95% | 92% | 88% | 89% | 92% |
| Barometric pressure | 1000 hPa | 1001 hPa | 1003 hPa | 1004 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1006 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 82% | 63% | 40% | 44% |
| Heat index | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (69°F) | 21°C (69°F) | 24°C (76°F) | 21°C (69°F) | 21°C (69°F) |
| Dew point | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (67°F) | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Wind | ||||||||
| Speed | 31km/h (19mph) | 24km/h (15mph) | 14km/h (9mph) | 11km/h (7mph) | 5km/h (3mph) | 7km/h (4mph) | 10km/h (6mph) | 7km/h (4mph) |
| Gusts | 46km/h (29mph) | 36km/h (22mph) | 21km/h (13mph) | 16km/h (10mph) | 7km/h (4mph) | 11km/h (7mph) | 15km/h (9mph) | 11km/h (7mph) |
| Direction | 358° N | 355° N | 345° NNW | 351° N | 332° NNW | 8° N | 44° NE | 55° NE |
| Wind chill | 21°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (69°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 1.1m (3.7ft) | 0.9m (3.1ft) | 0.9m (3.1ft) | 0.8m (2.7ft) | 0.7m (2.3ft) | 0.6m (2.0ft) | 0.5m (1.7ft) | 0.4m (1.4ft) |
| Direction | 18° NNE | 21° NNE | 21° NNE | 17° NNE | 14° NNE | 15° NNE | 13° NNE | 17° NNE |
| Period | 6.1 sec. | 6.4 sec. | 6.1 sec. | 6.1 sec. | 5.8 sec. | 5.6 sec. | 5.4 sec. | 5.3 sec. |
| Significant height | 0.5m (1.6ft) | 1.4m (4.6ft) | 0.5m (1.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Sea weather on Thursday 4 June 2026
On Thursday 4 June 2026, the sun will rise at 05:11 and will set at 19:27 on the beach(es) of Karatsu. The outside temperature will be a high of 70°F t and a low of 68°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 13.1mph). Wave height will be up to 1.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  | | |
| Outside temperature | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
| Perceived temperature | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 88% | 87% | 84% | 88% | 91% | 91% | 90% |
| Barometric pressure | 1006 hPa | 1006 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1003 hPa | 1002 hPa | 1003 hPa |
| Cloud cover | 84% | 56% | 28% | 53% | 100% | 39% | 97% | 58% |
| Heat index | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 24°C (76°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
| Dew point | 19°C (66°F) | 18°C (65°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
| Wind | ||||||||
| Speed | 9km/h (5mph) | 12km/h (7mph) | 9km/h (5mph) | 2km/h (1mph) | 5km/h (3mph) | 3km/h (2mph) | 8km/h (5mph) | 13km/h (8mph) |
| Gusts | 14km/h (9mph) | 19km/h (11mph) | 14km/h (9mph) | 3km/h (2mph) | 7km/h (5mph) | 4km/h (3mph) | 13km/h (8mph) | 21km/h (13mph) |
| Direction | 48° NE | 46° NE | 110° ESE | 198° SSW | 251° WSW | 131° SE | 74° ENE | 31° NNE |
| Wind chill | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 0.4m (1.2ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.3m (1.1ft) | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.2m (0.8ft) | 0.2m (0.7ft) |
| Direction | 17° NNE | 17° NNE | 19° NNE | 21° NNE | 22° NNE | 23° NNE | 23° NNE | 23° NNE |
| Period | 4.9 sec. | 4.6 sec. | 4.3 sec. | 4.1 sec. | 4.1 sec. | 4.1 sec. | 4.1 sec. | 4.1 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Sea weather on Friday 5 June 2026
On Friday 5 June 2026, the sun will rise at 05:11 and will set at 19:27 on the beach(es) of Karatsu. The outside temperature will be a high of 72°F t and a low of 68°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 15.5mph). Wave height will be up to 0.7ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | | |  | | |  |
| Outside temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 20°C (68°F) | 21°C (70°F) |
| Perceived temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 20°C (68°F) | 21°C (70°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 92% | 91% | 92% | 87% | 82% | 78% | 81% | 87% |
| Barometric pressure | 1003 hPa | 1003 hPa | 1004 hPa | 1005 hPa | 1007 hPa | 1007 hPa | 1008 hPa | 1009 hPa |
| Cloud cover | 100% | 91% | 47% | 43% | 20% | 9% | 4% | 5% |
| Heat index | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 24°C (76°F) | 24°C (76°F) | 20°C (68°F) | 21°C (70°F) |
| Dew point | 19°C (65°F) | 19°C (65°F) | 19°C (65°F) | 19°C (66°F) | 18°C (65°F) | 17°C (63°F) | 17°C (62°F) | 19°C (65°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 2km/h (1mph) | 4km/h (2mph) | 5km/h (3mph) | 10km/h (6mph) | 13km/h (8mph) | 13km/h (8mph) | 13km/h (8mph) |
| Gusts | 11km/h (7mph) | 3km/h (2mph) | 6km/h (4mph) | 7km/h (5mph) | 15km/h (9mph) | 20km/h (12mph) | 25km/h (16mph) | 21km/h (13mph) |
| Direction | 102° ESE | 0° N | 28° NNE | 3° N | 324° NW | 286° WNW | 232° SW | 226° SW |
| Wind chill | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 20°C (68°F) | 21°C (70°F) |
| Waves | ||||||||
| Height | 0.2m (0.6ft) | 0.2m (0.6ft) | 0.2m (0.8ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.2m (0.6ft) | 0.2m (0.6ft) |
| Direction | 24° NNE | 24° NNE | 25° NNE | 29° NNE | 31° NNE | 25° NNE | 25° NNE | 25° NNE |
| Period | 4.2 sec. | 4.3 sec. | 3.8 sec. | 4.0 sec. | 4.1 sec. | 5.3 sec. | 5.3 sec. | 5.2 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Sea weather on Saturday 6 June 2026
On Saturday 6 June 2026, the sun will rise at 05:10 and will set at 19:28 on the beach(es) of Karatsu. The outside temperature will be a high of 72°F t and a low of 68°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 22.4mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 22°C (71°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 21°C (69°F) |
| Perceived temperature | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 22°C (71°F) | 25°C (76°F) | 22°C (71°F) | 21°C (70°F) | 21°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 80% | 75% | 67% | 70% | 65% | 69% | 75% |
| Barometric pressure | 1010 hPa | 1010 hPa | 1012 hPa | 1013 hPa | 1013 hPa | 1013 hPa | 1012 hPa | 1013 hPa |
| Cloud cover | 14% | 9% | 100% | 47% | 100% | 19% | 57% | 98% |
| Heat index | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 24°C (76°F) | 25°C (76°F) | 25°C (76°F) | 24°C (76°F) | 21°C (69°F) |
| Dew point | 18°C (65°F) | 16°C (62°F) | 15°C (60°F) | 15°C (59°F) | 16°C (61°F) | 15°C (59°F) | 15°C (60°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 3km/h (2mph) | 5km/h (3mph) | 13km/h (8mph) | 16km/h (10mph) | 18km/h (11mph) | 22km/h (14mph) | 15km/h (9mph) |
| Gusts | 20km/h (12mph) | 4km/h (3mph) | 9km/h (6mph) | 20km/h (12mph) | 24km/h (15mph) | 31km/h (19mph) | 36km/h (22mph) | 27km/h (17mph) |
| Direction | 228° SW | 351° N | 59° ENE | 41° NE | 34° NNE | 17° NNE | 45° NE | 51° NE |
| Wind chill | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 22°C (71°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.1m (0.5ft) | 0.2m (0.7ft) | 0.2m (0.8ft) | 0.5m (1.6ft) |
| Direction | 25° NNE | 25° NNE | 24° NNE | 24° NNE | 26° NNE | 5° N | 14° NNE | 11° N |
| Period | 5.1 sec. | 5.1 sec. | 5.1 sec. | 5.1 sec. | 5.9 sec. | 6.5 sec. | 6.4 sec. | 4.3 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Sea weather on Sunday 7 June 2026
On Sunday 7 June 2026, the sun will rise at 05:10 and will set at 19:28 on the beach(es) of Karatsu. The outside temperature will be a high of 76°F t and a low of 70°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 28mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 21°C (69°F) | 21°C (70°F) | 21°C (70°F) | 23°C (73°F) | 24°C (74°F) | 24°C (75°F) | 22°C (71°F) | 21°C (70°F) |
| Perceived temperature | 21°C (69°F) | 21°C (70°F) | 21°C (70°F) | 25°C (77°F) | 25°C (78°F) | 25°C (78°F) | 22°C (71°F) | 21°C (70°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 76% | 77% | 79% | 76% | 73% | 81% | 85% |
| Barometric pressure | 1012 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1008 hPa | 1006 hPa | 1004 hPa | 1005 hPa |
| Cloud cover | 77% | 53% | 45% | 33% | 42% | 74% | 70% | 33% |
| Heat index | 21°C (69°F) | 24°C (76°F) | 24°C (76°F) | 25°C (77°F) | 25°C (78°F) | 25°C (78°F) | 24°C (76°F) | 21°C (70°F) |
| Dew point | 17°C (63°F) | 17°C (62°F) | 17°C (63°F) | 19°C (66°F) | 19°C (66°F) | 19°C (65°F) | 18°C (65°F) | 18°C (65°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 5km/h (3mph) | 4km/h (3mph) | 6km/h (4mph) | 14km/h (9mph) | 21km/h (13mph) | 29km/h (18mph) | 29km/h (18mph) |
| Gusts | 17km/h (11mph) | 9km/h (6mph) | 8km/h (5mph) | 8km/h (5mph) | 22km/h (13mph) | 38km/h (24mph) | 34km/h (21mph) | 45km/h (28mph) |
| Direction | 67° ENE | 157° SSE | 99° E | 13° NNE | 38° NE | 67° ENE | 59° ENE | 51° NE |
| Wind chill | 21°C (69°F) | 21°C (70°F) | 21°C (70°F) | 23°C (73°F) | 24°C (74°F) | 24°C (75°F) | 22°C (71°F) | 21°C (70°F) |
| Waves | ||||||||
| Height | 0.8m (2.5ft) | 0.7m (2.4ft) | 0.7m (2.2ft) | 0.8m (2.7ft) | 1.0m (3.3ft) | 1.1m (3.5ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Direction | 13° NNE | 14° NNE | 13° NNE | 16° NNE | 25° NNE | 21° NNE | 18° NNE | 16° NNE |
| Period | 5.4 sec. | 5.8 sec. | 5.9 sec. | 5.2 sec. | 5.1 sec. | 5.4 sec. | 5.8 sec. | 6.0 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Sea weather on Monday 8 June 2026
On Monday 8 June 2026, the sun will rise at 05:10 and will set at 19:29 on the beach(es) of Karatsu. The outside temperature will be a high of 68°F t and a low of 67°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 19.3mph km/h (with gusts up to 27.3mph). Wave height will be up to 5.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Perceived temperature | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 91% | 93% | 92% | 90% | 86% | 82% | 81% |
| Barometric pressure | 1003 hPa | 1002 hPa | 1003 hPa | 1004 hPa | 1005 hPa | 1005 hPa | 1006 hPa | 1007 hPa |
| Cloud cover | 52% | 63% | 100% | 100% | 100% | 100% | 59% | 23% |
| Heat index | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Dew point | 18°C (65°F) | 19°C (65°F) | 19°C (66°F) | 18°C (65°F) | 18°C (64°F) | 17°C (62°F) | 16°C (61°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 28km/h (17mph) | 24km/h (15mph) | 31km/h (19mph) | 31km/h (19mph) | 23km/h (14mph) | 15km/h (9mph) | 10km/h (6mph) | 7km/h (4mph) |
| Gusts | 42km/h (26mph) | 36km/h (22mph) | 44km/h (27mph) | 42km/h (26mph) | 33km/h (20mph) | 21km/h (13mph) | 15km/h (9mph) | 11km/h (7mph) |
| Direction | 36° NE | 34° NE | 4° N | 3° N | 7° N | 8° N | 25° NNE | 19° NNE |
| Wind chill | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Waves | ||||||||
| Height | 1.0m (3.2ft) | 1.0m (3.1ft) | 0.9m (3.0ft) | 1.8m (6.0ft) | 1.5m (4.9ft) | 1.2m (4.0ft) | 1.0m (3.3ft) | 0.8m (2.8ft) |
| Direction | 15° NNE | 14° NNE | 15° NNE | 7° N | 10° N | 13° NNE | 14° NNE | 16° NNE |
| Period | 6.7 sec. | 7.4 sec. | 7.4 sec. | 7.4 sec. | 8.0 sec. | 8.0 sec. | 8.0 sec. | 7.9 sec. |
| Significant height | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.5m (4.9ft) | 0.8m (2.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 1.4m (4.6ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |
Sea weather on Tuesday 9 June 2026
On Tuesday 9 June 2026, the sun will rise at 05:10 and will set at 19:29 on the beach(es) of Karatsu. The outside temperature will be a high of 70°F t and a low of 65°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 4.4mph km/h (with gusts up to 8.7mph). Wave height will be up to 2.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) | 21°C (70°F) | 18°C (65°F) | 21°C (69°F) | 20°C (69°F) |
| Perceived temperature | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) | 21°C (70°F) | 18°C (65°F) | 21°C (69°F) | 20°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 81% | 81% | 74% | 68% | 67% | 64% | 74% |
| Barometric pressure | 1008 hPa | 1008 hPa | 1008 hPa | 1009 hPa | 1009 hPa | 1008 hPa | 1009 hPa | 1010 hPa |
| Cloud cover | 17% | 21% | 100% | 100% | 100% | 0% | 9% | 100% |
| Heat index | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) | 21°C (70°F) | 18°C (65°F) | 21°C (69°F) | 20°C (69°F) |
| Dew point | 16°C (60°F) | 16°C (60°F) | 15°C (60°F) | 15°C (59°F) | 15°C (59°F) | 12°C (54°F) | 14°C (56°F) | 15°C (60°F) |
| Wind | ||||||||
| Speed | 4km/h (2mph) | 5km/h (3mph) | 6km/h (4mph) | 2km/h (1mph) | 6km/h (4mph) | 6km/h (4mph) | 6km/h (4mph) | 7km/h (4mph) |
| Gusts | 6km/h (4mph) | 7km/h (4mph) | 9km/h (5mph) | 2km/h (1mph) | 8km/h (5mph) | 14km/h (8mph) | 10km/h (6mph) | 12km/h (7mph) |
| Direction | 100° E | 56° NE | 113° ESE | 102° ESE | 3° N | 350° N | 322° NW | 189° S |
| Wind chill | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) | 21°C (70°F) | 18°C (65°F) | 21°C (69°F) | 20°C (69°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.7m (2.2ft) | 0.6m (2.0ft) | 0.5m (1.8ft) | 0.5m (1.6ft) | 0.5m (1.5ft) | 0.5m (1.5ft) | 0.5m (1.6ft) |
| Direction | 17° NNE | 18° NNE | 18° NNE | 18° NNE | 17° NNE | 18° NNE | 17° NNE | 16° NNE |
| Period | 7.8 sec. | 7.7 sec. | 7.4 sec. | 7.2 sec. | 7.0 sec. | 6.9 sec. | 6.9 sec. | 7.1 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) |