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 |
|---|---|---|---|---|
| Sunday 19 July 2026 | 81°F to 86°F | 6.8mph | recommended | all the sea weather |
| Monday 20 July 2026 | 79°F to 85°F | 5mph | recommended | all the sea weather |
| Tuesday 21 July 2026 | 77°F to 85°F | 3.7mph | recommended | all the sea weather |
| Wednesday 22 July 2026 | 77°F to 85°F | 5mph | recommended | all the sea weather |
| Thursday 23 July 2026 | 76°F to 85°F | 5mph | recommended | all the sea weather |
| Friday 24 July 2026 | 77°F to 83°F | 5mph | recommended | all the sea weather |
| Saturday 25 July 2026 | 76°F to 81°F | 2.5mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Karatsu
Sea weather on Sunday 19 July 2026
On Sunday 19 July 2026, the sun will rise at 05:24 and will set at 19:29 on the beach(es) of Karatsu. The outside temperature will be a high of 86°F t and a low of 81°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 12.4mph km/h (with gusts up to 21.8mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | |  | | | |
| Outside temperature | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 29°C (83°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 28°C (82°F) |
| Perceived temperature | 31°C (88°F) | 30°C (87°F) | 30°C (86°F) | 33°C (91°F) | 35°C (95°F) | 36°C (96°F) | 35°C (94°F) | 32°C (90°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 86% | 87% | 77% | 71% | 74% | 76% | 84% |
| Barometric pressure | 1004 hPa | 1004 hPa | 1005 hPa | 1005 hPa | 1005 hPa | 1004 hPa | 1005 hPa | 1006 hPa |
| Cloud cover | 16% | 16% | 17% | 20% | 44% | 47% | 31% | 15% |
| Heat index | 31°C (88°F) | 30°C (87°F) | 30°C (86°F) | 33°C (91°F) | 35°C (95°F) | 36°C (96°F) | 35°C (94°F) | 32°C (90°F) |
| Dew point | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 24°C (76°F) | 24°C (75°F) | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 13km/h (8mph) | 7km/h (4mph) | 8km/h (5mph) | 7km/h (4mph) | 13km/h (8mph) | 20km/h (12mph) | 11km/h (7mph) |
| Gusts | 18km/h (11mph) | 24km/h (15mph) | 13km/h (8mph) | 13km/h (8mph) | 12km/h (7mph) | 22km/h (14mph) | 35km/h (22mph) | 21km/h (13mph) |
| Direction | 209° SSW | 176° S | 148° SSE | 163° SSE | 284° WNW | 239° WSW | 243° WSW | 214° SW |
| Wind chill | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 29°C (83°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 28°C (82°F) |
| Waves | ||||||||
| Height | 0.1m (0.3ft) | 0.1m (0.4ft) | 0.1m (0.3ft) | 0.3m (0.9ft) | 0.1m (0.3ft) | 0.2m (0.8ft) | 0.1m (0.5ft) | 0.2m (0.6ft) |
| Direction | 202° SSW | 336° NNW | 355° N | 353° N | 0° N | 359° N | 357° N | 354° N |
| Period | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 4.4 sec. | 4.3 sec. | 4.3 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) | 26°C (78°F) |
Sea weather on Monday 20 July 2026
On Monday 20 July 2026, the sun will rise at 05:24 and will set at 19:29 on the beach(es) of Karatsu. The outside temperature will be a high of 85°F t and a low of 79°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 12.4mph km/h (with gusts up to 18mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 27°C (80°F) | 26°C (80°F) | 26°C (80°F) | 28°C (83°F) | 29°C (84°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 31°C (88°F) | 30°C (87°F) | 30°C (86°F) | 33°C (91°F) | 33°C (92°F) | 30°C (85°F) | 31°C (87°F) | 31°C (87°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 90% | 89% | 79% | 75% | 75% | 78% | 84% |
| Barometric pressure | 1006 hPa | 1007 hPa | 1008 hPa | 1008 hPa | 1008 hPa | 1007 hPa | 1008 hPa | 1009 hPa |
| Cloud cover | 11% | 16% | 28% | 46% | 39% | 14% | 10% | 11% |
| Heat index | 31°C (88°F) | 30°C (87°F) | 30°C (86°F) | 33°C (91°F) | 33°C (92°F) | 30°C (85°F) | 31°C (87°F) | 31°C (87°F) |
| Dew point | 25°C (76°F) | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) | 22°C (72°F) | 23°C (74°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 11km/h (7mph) | 11km/h (7mph) | 9km/h (5mph) | 16km/h (10mph) | 20km/h (12mph) | 16km/h (10mph) | 8km/h (5mph) |
| Gusts | 16km/h (10mph) | 18km/h (11mph) | 19km/h (12mph) | 13km/h (8mph) | 27km/h (17mph) | 22km/h (14mph) | 29km/h (18mph) | 14km/h (9mph) |
| Direction | 207° SSW | 211° SSW | 178° S | 203° SSW | 268° W | 263° W | 260° W | 242° WSW |
| Wind chill | 27°C (80°F) | 26°C (80°F) | 26°C (80°F) | 28°C (83°F) | 29°C (84°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.2m (0.5ft) | 0.2m (0.6ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.2m (0.6ft) | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.2m (0.6ft) |
| Direction | 7° N | 7° N | 8° N | 8° N | 10° N | 15° NNE | 16° NNE | 17° NNE |
| Period | 4.4 sec. | 6.0 sec. | 5.7 sec. | 5.6 sec. | 5.7 sec. | 6.0 sec. | 5.9 sec. | 5.7 sec. |
| Significant height | 0.2m (0.7ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) |
Sea weather on Tuesday 21 July 2026
On Tuesday 21 July 2026, the sun will rise at 05:25 and will set at 19:28 on the beach(es) of Karatsu. The outside temperature will be a high of 85°F t and a low of 77°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 9.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 28°C (83°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 32°C (89°F) | 31°C (88°F) | 30°C (85°F) | 31°C (88°F) | 31°C (88°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 85% | 82% | 75% | 71% | 76% | 80% | 85% |
| Barometric pressure | 1009 hPa | 1008 hPa | 1009 hPa | 1010 hPa | 1009 hPa | 1008 hPa | 1009 hPa | 1010 hPa |
| Cloud cover | 12% | 8% | 8% | 12% | 15% | 8% | 6% | 5% |
| Heat index | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 32°C (89°F) | 31°C (88°F) | 30°C (85°F) | 31°C (88°F) | 31°C (88°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) | 23°C (74°F) | 22°C (72°F) | 22°C (72°F) | 24°C (74°F) | 24°C (76°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 4km/h (3mph) | 5km/h (3mph) | 4km/h (2mph) | 12km/h (7mph) | 16km/h (10mph) | 14km/h (9mph) | 6km/h (4mph) |
| Gusts | 10km/h (6mph) | 7km/h (5mph) | 9km/h (6mph) | 6km/h (4mph) | 20km/h (12mph) | 33km/h (21mph) | 23km/h (14mph) | 9km/h (6mph) |
| Direction | 210° SSW | 203° SSW | 179° S | 199° SSW | 299° WNW | 288° WNW | 278° W | 240° WSW |
| Wind chill | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 28°C (83°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.2m (0.8ft) | 0.3m (1.0ft) | 0.2m (0.6ft) |
| Direction | 18° NNE | 19° NNE | 20° NNE | 21° NNE | 22° NNE | 22° NNE | 292° WNW | 18° NNE |
| Period | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.6 sec. | 5.5 sec. | 5.4 sec. | 5.3 sec. | 3.8 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) |
Sea weather on Wednesday 22 July 2026
On Wednesday 22 July 2026, the sun will rise at 05:26 and will set at 19:28 on the beach(es) of Karatsu. The outside temperature will be a high of 85°F t and a low of 77°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 19.3mph). 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 | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 25°C (78°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (86°F) | 29°C (84°F) | 29°C (84°F) | 31°C (88°F) | 27°C (81°F) | 29°C (85°F) | 31°C (88°F) | 31°C (88°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 85% | 83% | 73% | 70% | 75% | 81% | 87% |
| Barometric pressure | 1009 hPa | 1009 hPa | 1010 hPa | 1010 hPa | 1009 hPa | 1009 hPa | 1009 hPa | 1010 hPa |
| Cloud cover | 3% | 4% | 5% | 4% | 3% | 5% | 3% | 6% |
| Heat index | 30°C (86°F) | 29°C (84°F) | 29°C (84°F) | 31°C (88°F) | 27°C (81°F) | 29°C (85°F) | 31°C (88°F) | 31°C (88°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 20°C (67°F) | 22°C (72°F) | 24°C (75°F) | 25°C (76°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 7km/h (4mph) | 8km/h (5mph) | 6km/h (4mph) | 10km/h (6mph) | 15km/h (10mph) | 14km/h (9mph) | 8km/h (5mph) |
| Gusts | 11km/h (7mph) | 12km/h (7mph) | 13km/h (8mph) | 8km/h (5mph) | 22km/h (14mph) | 31km/h (19mph) | 24km/h (15mph) | 13km/h (8mph) |
| Direction | 206° SSW | 228° SW | 200° SSW | 233° SW | 299° WNW | 292° WNW | 276° W | 249° WSW |
| Wind chill | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 25°C (78°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.3m (0.9ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.5m (1.8ft) | 0.1m (0.4ft) | 0.2m (0.8ft) | 0.2m (0.6ft) | 0.1m (0.4ft) |
| Direction | 21° NNE | 22° NNE | 22° NNE | 21° NNE | 298° WNW | 295° WNW | 298° WNW | 296° WNW |
| Period | 2.5 sec. | 5.0 sec. | 5.0 sec. | 5.0 sec. | 5.0 sec. | 5.0 sec. | 5.0 sec. | 2.9 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) |
Sea weather on Thursday 23 July 2026
On Thursday 23 July 2026, the sun will rise at 05:26 and will set at 19:27 on the beach(es) of Karatsu. The outside temperature will be a high of 85°F t and a low of 76°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 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 25°C (77°F) | 26°C (79°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (87°F) | 29°C (85°F) | 29°C (85°F) | 32°C (89°F) | 27°C (80°F) | 29°C (84°F) | 31°C (87°F) | 31°C (87°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 88% | 88% | 79% | 77% | 79% | 78% | 83% |
| Barometric pressure | 1010 hPa | 1009 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1011 hPa |
| Cloud cover | 4% | 5% | 8% | 6% | 5% | 5% | 5% | 5% |
| Heat index | 30°C (87°F) | 29°C (85°F) | 29°C (85°F) | 32°C (89°F) | 27°C (80°F) | 29°C (84°F) | 31°C (87°F) | 31°C (87°F) |
| Dew point | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 21°C (69°F) | 22°C (72°F) | 23°C (74°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 9km/h (5mph) | 8km/h (5mph) | 7km/h (4mph) | 12km/h (8mph) | 13km/h (8mph) | 12km/h (7mph) | 8km/h (5mph) |
| Gusts | 13km/h (8mph) | 14km/h (9mph) | 13km/h (8mph) | 10km/h (6mph) | 26km/h (16mph) | 25km/h (16mph) | 19km/h (12mph) | 12km/h (8mph) |
| Direction | 211° SSW | 215° SW | 205° SSW | 238° WSW | 298° WNW | 296° WNW | 288° WNW | 254° WSW |
| Wind chill | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 25°C (77°F) | 26°C (79°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.5m (1.5ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.6m (1.9ft) | 0.1m (0.4ft) | 0.4m (1.3ft) | 0.2m (0.8ft) |
| Direction | 19° NNE | 17° NNE | 18° NNE | 18° NNE | 320° NW | 315° NW | 317° NW | 317° NW |
| Period | 2.5 sec. | 2.4 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.3 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) |
Sea weather on Friday 24 July 2026
On Friday 24 July 2026, the sun will rise at 05:27 and will set at 19:26 on the beach(es) of Karatsu. The outside temperature will be a high of 83°F t and a low of 77°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 6.8mph km/h (with gusts up to 12.4mph). Wave height will be up to 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 25°C (76°F) | 26°C (79°F) | 27°C (81°F) | 27°C (80°F) |
| Perceived temperature | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 31°C (88°F) | 26°C (79°F) | 28°C (83°F) | 30°C (86°F) | 30°C (86°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 84% | 85% | 85% | 79% | 76% | 74% | 75% | 79% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1011 hPa | 1010 hPa | 1011 hPa |
| Cloud cover | 5% | 4% | 3% | 3% | 3% | 3% | 3% | 2% |
| Heat index | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 31°C (88°F) | 26°C (79°F) | 28°C (83°F) | 30°C (86°F) | 30°C (86°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 23°C (74°F) | 24°C (74°F) | 20°C (68°F) | 21°C (70°F) | 22°C (72°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 5km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) | 8km/h (5mph) | 11km/h (7mph) | 7km/h (4mph) | 8km/h (5mph) |
| Gusts | 10km/h (6mph) | 8km/h (5mph) | 6km/h (4mph) | 7km/h (5mph) | 17km/h (11mph) | 20km/h (13mph) | 11km/h (7mph) | 12km/h (8mph) |
| Direction | 241° WSW | 213° SSW | 233° SW | 320° NW | 326° NW | 338° NNW | 8° N | 43° NE |
| Wind chill | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 28°C (82°F) | 25°C (76°F) | 26°C (79°F) | 27°C (81°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 0.1m (0.3ft) | 0.3m (1.1ft) | 0.1m (0.3ft) | 0.6m (1.8ft) | 0.2m (0.5ft) | 0.2m (0.6ft) | 0.3m (1.0ft) | 0.4m (1.2ft) |
| Direction | 317° NW | 314° NW | 19° NNE | 19° NNE | 326° NW | 323° NW | 357° N | 357° N |
| Period | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 1.8 sec. | 3.8 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) |
Sea weather on Saturday 25 July 2026
On Saturday 25 July 2026, the sun will rise at 05:28 and will set at 19:26 on the beach(es) of Karatsu. The outside temperature will be a high of 81°F t and a low of 76°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 14.9mph). Wave height will be up to 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 27°C (81°F) | 24°C (76°F) | 26°C (79°F) | 27°C (80°F) | 27°C (80°F) |
| Perceived temperature | 29°C (85°F) | 29°C (84°F) | 29°C (83°F) | 31°C (87°F) | 26°C (79°F) | 28°C (82°F) | 29°C (85°F) | 30°C (85°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 85% | 86% | 79% | 73% | 70% | 74% | 80% |
| Barometric pressure | 1011 hPa | 1010 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1010 hPa | 1010 hPa | 1010 hPa |
| Cloud cover | 3% | 4% | 5% | 3% | 3% | 6% | 5% | 4% |
| Heat index | 29°C (85°F) | 29°C (84°F) | 29°C (83°F) | 31°C (87°F) | 26°C (79°F) | 28°C (82°F) | 29°C (85°F) | 30°C (85°F) |
| Dew point | 23°C (73°F) | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 19°C (66°F) | 20°C (68°F) | 22°C (71°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 6km/h (4mph) | 6km/h (4mph) | 8km/h (5mph) | 10km/h (6mph) | 13km/h (8mph) | 7km/h (4mph) | 4km/h (2mph) |
| Gusts | 14km/h (8mph) | 11km/h (7mph) | 10km/h (6mph) | 11km/h (7mph) | 22km/h (14mph) | 24km/h (15mph) | 11km/h (7mph) | 6km/h (4mph) |
| Direction | 38° NE | 56° ENE | 58° ENE | 14° NNE | 359° N | 347° NNW | 358° N | 70° ENE |
| Wind chill | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 27°C (81°F) | 24°C (76°F) | 26°C (79°F) | 27°C (80°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 0.5m (1.5ft) | 0.1m (0.3ft) | 0.6m (1.9ft) | 0.5m (1.6ft) | 0.2m (0.6ft) | 0.1m (0.5ft) | 0.2m (0.7ft) | 0.2m (0.8ft) |
| Direction | 358° N | 359° N | 0° N | 2° N | 3° N | 357° N | 6° N | 13° NNE |
| Period | 3.7 sec. | 3.6 sec. | 3.5 sec. | 3.4 sec. | 3.1 sec. | 1.5 sec. | 1.9 sec. | 2.2 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) | 24°C (74°F) |