Sea weather in Iheya-jima in Japan All the beach weather in Iheya-jima
All the essential weather information for enjoying the beach in Iheya-jima 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 Iheya-jima over the next 7 days?
Discover the best moment to go to the beach in Iheya-jima in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Iheya-jima. 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 |
|---|---|---|---|---|
| Monday 15 December 2025 | 63°F to 67°F | 10.6mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 67°F to 67°F | 9.3mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 67°F to 68°F | 6.2mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 68°F to 70°F | 11.8mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 70°F to 72°F | 19.9mph | discouraged | all the sea weather |
| Saturday 20 December 2025 | 68°F to 74°F | 23.6mph | discouraged | all the sea weather |
| Sunday 21 December 2025 | 68°F to 72°F | 34.2mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Iheya-jima
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 07:10 and will set at 17:37 on the beach(es) of Iheya-jima. The outside temperature will be a high of 67°F t and a low of 63°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 24.9mph km/h (with gusts up to 29.2mph). Wave height will be up to 9.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | |  | |  | | |
| Outside temperature | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (65°F) | 19°C (66°F) |
| Perceived temperature | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (65°F) | 19°C (66°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 63% | 57% | 55% | 54% | 52% | 55% | 55% | 51% |
| Barometric pressure | 1022 hPa | 1022 hPa | 1023 hPa | 1024 hPa | 1023 hPa | 1022 hPa | 1022 hPa | 1023 hPa |
| Cloud cover | 85% | 50% | 40% | 51% | 59% | 84% | 90% | 50% |
| Heat index | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (65°F) | 19°C (66°F) |
| Dew point | 10°C (50°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) | 8°C (46°F) | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 40km/h (25mph) | 36km/h (22mph) | 31km/h (19mph) | 26km/h (16mph) | 22km/h (14mph) | 20km/h (13mph) | 17km/h (11mph) |
| Gusts | 43km/h (27mph) | 47km/h (29mph) | 44km/h (27mph) | 38km/h (24mph) | 34km/h (21mph) | 30km/h (19mph) | 27km/h (17mph) | 23km/h (14mph) |
| Direction | 348° NNW | 358° N | 7° N | 19° NNE | 30° NNE | 35° NE | 42° NE | 61° ENE |
| Wind chill | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (65°F) | 19°C (66°F) |
| Waves | ||||||||
| Height | 2.8m (9.2ft) | 2.6m (8.6ft) | 2.5m (8.1ft) | 2.3m (7.4ft) | 2.1m (6.8ft) | 1.8m (6.1ft) | 1.7m (5.5ft) | 1.5m (5.1ft) |
| Direction | 327° NNW | 331° NNW | 335° NNW | 338° NNW | 338° NNW | 339° NNW | 340° NNW | 343° NNW |
| Period | 11.1 sec. | 11.3 sec. | 11.6 sec. | 10.9 sec. | 8.4 sec. | 8.2 sec. | 8.1 sec. | 7.8 sec. |
| Significant height | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 07:10 and will set at 17:37 on the beach(es) of Iheya-jima. The outside temperature will be a high of 67°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 9.3mph km/h (with gusts up to 12.4mph). Wave height will be up to 4.6ft 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 (65°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Perceived temperature | 19°C (66°F) | 19°C (65°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 53% | 54% | 53% | 53% | 53% | 54% | 60% | 58% |
| Barometric pressure | 1022 hPa | 1022 hPa | 1022 hPa | 1023 hPa | 1023 hPa | 1022 hPa | 1022 hPa | 1023 hPa |
| Cloud cover | 89% | 38% | 6% | 12% | 54% | 57% | 77% | 79% |
| Heat index | 19°C (66°F) | 19°C (65°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Dew point | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 9°C (49°F) | 11°C (52°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 15km/h (10mph) | 13km/h (8mph) | 11km/h (7mph) | 11km/h (7mph) | 10km/h (6mph) | 10km/h (6mph) | 14km/h (9mph) | 15km/h (9mph) |
| Gusts | 20km/h (12mph) | 17km/h (11mph) | 14km/h (9mph) | 14km/h (9mph) | 15km/h (9mph) | 14km/h (9mph) | 20km/h (13mph) | 20km/h (12mph) |
| Direction | 82° E | 77° ENE | 85° E | 90° E | 70° ENE | 57° ENE | 63° ENE | 66° ENE |
| Wind chill | 19°C (66°F) | 19°C (65°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) |
| Waves | ||||||||
| Height | 1.4m (4.7ft) | 1.3m (4.3ft) | 1.2m (4.0ft) | 1.1m (3.7ft) | 1.0m (3.4ft) | 1.0m (3.2ft) | 0.9m (2.9ft) | 0.8m (2.7ft) |
| Direction | 344° NNW | 345° NNW | 346° NNW | 348° NNW | 351° N | 355° N | 87° E | 87° E |
| Period | 7.6 sec. | 7.5 sec. | 7.4 sec. | 7.2 sec. | 7.1 sec. | 6.9 sec. | 6.7 sec. | 6.6 sec. |
| Significant height | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 07:11 and will set at 17:38 on the beach(es) of Iheya-jima. 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 8.1mph km/h (with gusts up to 11.8mph). Wave height will be up to 2.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) |
| Perceived temperature | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 59% | 60% | 62% | 60% | 57% | 56% | 55% | 55% |
| Barometric pressure | 1022 hPa | 1022 hPa | 1022 hPa | 1023 hPa | 1022 hPa | 1021 hPa | 1021 hPa | 1023 hPa |
| Cloud cover | 80% | 86% | 55% | 100% | 13% | 11% | 11% | 18% |
| Heat index | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) |
| Dew point | 11°C (52°F) | 11°C (52°F) | 11°C (53°F) | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) | 10°C (49°F) | 10°C (51°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 13km/h (8mph) | 12km/h (7mph) | 11km/h (7mph) | 13km/h (8mph) | 11km/h (7mph) | 11km/h (7mph) | 10km/h (6mph) |
| Gusts | 17km/h (10mph) | 16km/h (10mph) | 15km/h (10mph) | 15km/h (9mph) | 19km/h (12mph) | 17km/h (11mph) | 18km/h (11mph) | 14km/h (8mph) |
| Direction | 71° ENE | 68° ENE | 67° ENE | 65° ENE | 78° ENE | 77° ENE | 44° NE | 40° NE |
| Wind chill | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.4ft) | 0.7m (2.2ft) | 0.6m (2.1ft) | 0.6m (1.9ft) | 0.5m (1.8ft) | 0.5m (1.7ft) |
| Direction | 88° E | 89° E | 89° E | 90° E | 91° E | 92° E | 93° E | 94° E |
| Period | 9.6 sec. | 9.6 sec. | 9.5 sec. | 9.2 sec. | 9.0 sec. | 8.9 sec. | 8.9 sec. | 8.9 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 07:12 and will set at 17:38 on the beach(es) of Iheya-jima. 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 13.7mph km/h (with gusts up to 18.6mph). Wave height will be up to 3.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) |
| Perceived temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 54% | 57% | 68% | 59% | 63% | 67% | 68% | 69% |
| Barometric pressure | 1022 hPa | 1022 hPa | 1022 hPa | 1023 hPa | 1022 hPa | 1021 hPa | 1022 hPa | 1022 hPa |
| Cloud cover | 17% | 43% | 100% | 34% | 52% | 56% | 54% | 68% |
| Heat index | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) |
| Dew point | 10°C (51°F) | 11°C (52°F) | 14°C (57°F) | 12°C (54°F) | 13°C (55°F) | 14°C (56°F) | 14°C (57°F) | 14°C (58°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 10km/h (6mph) | 17km/h (10mph) | 20km/h (13mph) | 22km/h (13mph) | 19km/h (12mph) | 21km/h (13mph) | 19km/h (12mph) |
| Gusts | 12km/h (8mph) | 13km/h (8mph) | 22km/h (13mph) | 27km/h (16mph) | 30km/h (19mph) | 27km/h (17mph) | 30km/h (18mph) | 26km/h (16mph) |
| Direction | 20° NNE | 359° N | 14° NNE | 13° NNE | 30° NNE | 41° NE | 57° ENE | 67° ENE |
| Wind chill | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.5m (1.7ft) | 0.7m (2.3ft) | 1.0m (3.4ft) | 1.2m (3.8ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.8ft) |
| Direction | 94° E | 94° E | 94° E | 340° NNW | 338° NNW | 337° NNW | 337° NNW | 341° NNW |
| Period | 8.9 sec. | 8.9 sec. | 8.9 sec. | 8.9 sec. | 9.0 sec. | 5.9 sec. | 6.4 sec. | 6.7 sec. |
| Significant height | 0.6m (2ft) | 0.6m (2ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.6m (2ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 07:12 and will set at 17:39 on the beach(es) of Iheya-jima. The outside temperature will be a high of 72°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 19.9mph km/h (with gusts up to 27.3mph). 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) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) |
| Perceived temperature | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 25°C (76°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 70% | 70% | 68% | 68% | 71% | 68% | 69% |
| Barometric pressure | 1022 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1019 hPa | 1020 hPa | 1020 hPa |
| Cloud cover | 79% | 88% | 69% | 94% | 86% | 95% | 92% | 68% |
| Heat index | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 25°C (76°F) | 25°C (76°F) |
| Dew point | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 15°C (60°F) | 16°C (61°F) | 16°C (60°F) | 16°C (62°F) |
| Wind | ||||||||
| Speed | 19km/h (12mph) | 20km/h (12mph) | 23km/h (14mph) | 25km/h (15mph) | 22km/h (14mph) | 24km/h (15mph) | 26km/h (16mph) | 32km/h (20mph) |
| Gusts | 25km/h (15mph) | 26km/h (16mph) | 30km/h (18mph) | 33km/h (20mph) | 31km/h (20mph) | 34km/h (21mph) | 38km/h (24mph) | 44km/h (28mph) |
| Direction | 80° E | 75° ENE | 77° ENE | 79° ENE | 90° E | 103° ESE | 107° ESE | 115° ESE |
| Wind chill | 21°C (69°F) | 21°C (69°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) |
| Waves | ||||||||
| Height | 1.1m (3.8ft) | 1.1m (3.6ft) | 1.1m (3.5ft) | 1.0m (3.3ft) | 1.0m (3.2ft) | 0.9m (3.1ft) | 0.9m (3.0ft) | 0.9m (2.8ft) |
| Direction | 342° NNW | 344° NNW | 346° NNW | 348° NNW | 358° N | 3° N | 356° N | 360° N |
| Period | 6.8 sec. | 6.9 sec. | 6.9 sec. | 6.9 sec. | 7.0 sec. | 6.9 sec. | 6.8 sec. | 6.7 sec. |
| Significant height | 0.4m (1.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 07:13 and will set at 17:39 on the beach(es) of Iheya-jima. The outside temperature will be a high of 74°F t and a low of 68°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 23.6mph km/h (with gusts up to 31.1mph). Wave height will be up to 2.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | |  | |
| Outside temperature | 23°C (73°F) | 23°C (73°F) | 22°C (71°F) | 21°C (69°F) | 20°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Perceived temperature | 25°C (77°F) | 25°C (77°F) | 22°C (71°F) | 21°C (69°F) | 20°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0.1in | 0.1in | 0.1in |
| Humidity | 70% | 73% | 73% | 82% | 83% | 89% | 90% | 88% |
| Barometric pressure | 1020 hPa | 1019 hPa | 1018 hPa | 1019 hPa | 1018 hPa | 1016 hPa | 1015 hPa | 1015 hPa |
| Cloud cover | 99% | 61% | 84% | 83% | 100% | 100% | 91% | 100% |
| Heat index | 25°C (77°F) | 25°C (77°F) | 25°C (76°F) | 21°C (69°F) | 20°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Dew point | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 17°C (63°F) | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) |
| Wind | ||||||||
| Speed | 31km/h (19mph) | 29km/h (18mph) | 30km/h (18mph) | 35km/h (22mph) | 33km/h (21mph) | 31km/h (19mph) | 34km/h (21mph) | 38km/h (23mph) |
| Gusts | 42km/h (26mph) | 39km/h (24mph) | 39km/h (24mph) | 46km/h (29mph) | 45km/h (28mph) | 43km/h (26mph) | 47km/h (29mph) | 50km/h (31mph) |
| Direction | 125° SE | 137° SE | 137° SE | 127° SE | 128° SE | 116° ESE | 103° ESE | 108° ESE |
| Wind chill | 23°C (73°F) | 23°C (73°F) | 22°C (71°F) | 21°C (69°F) | 20°C (69°F) | 20°C (67°F) | 20°C (67°F) | 20°C (69°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.7m (2.5ft) | 0.7m (2.4ft) | 0.7m (2.4ft) | 0.7m (2.5ft) | 0.8m (2.5ft) | 0.8m (2.5ft) | 0.8m (2.6ft) |
| Direction | 6° N | 93° E | 101° ESE | 102° ESE | 103° ESE | 104° ESE | 104° ESE | 103° ESE |
| Period | 6.7 sec. | 8.7 sec. | 8.9 sec. | 8.9 sec. | 8.8 sec. | 8.8 sec. | 8.7 sec. | 8.6 sec. |
| Significant height | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 07:13 and will set at 17:40 on the beach(es) of Iheya-jima. The outside temperature will be a high of 72°F t and a low of 68°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 34.2mph km/h (with gusts up to 43.5mph). Wave height will be up to 3.3ft 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) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (71°F) | 22°C (72°F) | 21°C (70°F) | 20°C (68°F) |
| Perceived temperature | 21°C (69°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (71°F) | 25°C (76°F) | 21°C (70°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 84% | 81% | 82% | 82% | 76% | 76% | 73% |
| Barometric pressure | 1013 hPa | 1011 hPa | 1011 hPa | 1011 hPa | 1010 hPa | 1010 hPa | 1011 hPa | 1014 hPa |
| Cloud cover | 100% | 100% | 58% | 62% | 73% | 100% | 100% | 100% |
| Heat index | 21°C (69°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 25°C (76°F) | 21°C (70°F) | 20°C (68°F) |
| Dew point | 19°C (66°F) | 19°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (65°F) | 18°C (64°F) | 17°C (62°F) | 15°C (59°F) |
| Wind | ||||||||
| Speed | 36km/h (22mph) | 30km/h (19mph) | 15km/h (9mph) | 18km/h (11mph) | 33km/h (20mph) | 46km/h (29mph) | 54km/h (33mph) | 55km/h (34mph) |
| Gusts | 46km/h (29mph) | 40km/h (25mph) | 21km/h (13mph) | 26km/h (16mph) | 47km/h (29mph) | 51km/h (32mph) | 56km/h (35mph) | 70km/h (43mph) |
| Direction | 103° ESE | 99° E | 36° NE | 5° N | 342° NNW | 355° N | 354° N | 350° N |
| Wind chill | 21°C (69°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 21°C (71°F) | 22°C (72°F) | 21°C (70°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.8m (2.7ft) | 0.9m (2.9ft) | 1.0m (3.1ft) | 1.0m (3.3ft) | 0.9m (3.0ft) | 0.9m (2.9ft) | 0.9m (2.9ft) |
| Direction | 103° ESE | 102° ESE | 98° E | 95° E | 95° E | 98° E | 98° E | 100° E |
| Period | 8.5 sec. | 8.4 sec. | 8.4 sec. | 8.8 sec. | 9.5 sec. | 9.6 sec. | 9.3 sec. | 9.3 sec. |
| Significant height | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) |