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 |
|---|---|---|---|---|
| Saturday 13 December 2025 | 72°F to 72°F | 19.9mph | discouraged | all the sea weather |
| Sunday 14 December 2025 | 63°F to 70°F | 23mph | not recommended | all the sea weather |
| Monday 15 December 2025 | 65°F to 67°F | 12.4mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 67°F to 68°F | 11.8mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 68°F to 70°F | 2.5mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 68°F to 70°F | 15.5mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 70°F to 72°F | 19.3mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Iheya-jima
Sea weather on Saturday 13 December 2025
On Saturday 13 December 2025, the sun will rise at 07:08 and will set at 17:36 on the beach(es) of Iheya-jima. The outside temperature will be a high of 72°F t and a low of 72°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 6.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) |
| Perceived temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 76% | 79% | 78% | 75% | 73% | 71% | 74% |
| Barometric pressure | 1019 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1015 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 87% | 95% | 96% | 82% | 76% | 51% | 56% | 89% |
| Heat index | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) |
| Dew point | 17°C (63°F) | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 17°C (63°F) | 17°C (62°F) | 17°C (62°F) | 17°C (63°F) |
| Wind | ||||||||
| Speed | 24km/h (15mph) | 29km/h (18mph) | 24km/h (15mph) | 18km/h (11mph) | 4km/h (2mph) | 17km/h (10mph) | 29km/h (18mph) | 32km/h (20mph) |
| Gusts | 32km/h (20mph) | 38km/h (24mph) | 32km/h (20mph) | 24km/h (15mph) | 6km/h (4mph) | 24km/h (15mph) | 43km/h (26mph) | 44km/h (27mph) |
| Direction | 71° ENE | 60° ENE | 48° NE | 49° NE | 81° E | 289° WNW | 321° NW | 333° NNW |
| Wind chill | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) |
| Waves | ||||||||
| Height | 2.0m (6.5ft) | 2.0m (6.5ft) | 1.9m (6.1ft) | 1.7m (5.6ft) | 1.6m (5.2ft) | 1.5m (5.1ft) | 1.8m (5.8ft) | 2.0m (6.7ft) |
| Direction | 357° N | 6° N | 15° NNE | 20° NNE | 32° NNE | 14° NNE | 21° NNE | 25° NNE |
| Period | 8.4 sec. | 8.5 sec. | 8.6 sec. | 8.7 sec. | 7.6 sec. | 7.5 sec. | 8.4 sec. | 9.4 sec. |
| Significant height | 0.9m (3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 1.0m (3.3ft) | 0.6m (2ft) | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.6m (5.2ft) |
| 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 Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 07:09 and will set at 17:37 on the beach(es) of Iheya-jima. The outside temperature will be a high of 70°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! Be careful, the sea will be generally rough with a wind speed of up to 32.9mph km/h (with gusts up to 39.8mph). Wave height will be up to 11.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 21°C (71°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) |
| Perceived temperature | 21°C (71°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 80% | 79% | 66% | 61% | 59% | 60% | 56% |
| Barometric pressure | 1017 hPa | 1018 hPa | 1019 hPa | 1021 hPa | 1021 hPa | 1020 hPa | 1022 hPa | 1023 hPa |
| Cloud cover | 100% | 100% | 100% | 78% | 77% | 65% | 95% | 52% |
| Heat index | 24°C (76°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) |
| Dew point | 16°C (62°F) | 16°C (61°F) | 15°C (58°F) | 11°C (52°F) | 10°C (50°F) | 9°C (49°F) | 9°C (48°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 42km/h (26mph) | 50km/h (31mph) | 53km/h (33mph) | 47km/h (29mph) | 46km/h (28mph) | 42km/h (26mph) | 39km/h (24mph) | 37km/h (23mph) |
| Gusts | 54km/h (33mph) | 60km/h (37mph) | 64km/h (40mph) | 54km/h (33mph) | 55km/h (34mph) | 52km/h (32mph) | 49km/h (30mph) | 45km/h (28mph) |
| Direction | 337° NNW | 342° NNW | 340° NNW | 338° NNW | 342° NNW | 344° NNW | 352° N | 355° N |
| Wind chill | 21°C (71°F) | 19°C (67°F) | 18°C (65°F) | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 18°C (64°F) |
| Waves | ||||||||
| Height | 2.3m (7.6ft) | 2.8m (9.1ft) | 3.1m (10.3ft) | 3.3m (10.8ft) | 3.4m (11.0ft) | 3.3m (10.7ft) | 3.1m (10.1ft) | 2.9m (9.5ft) |
| Direction | 344° NNW | 345° NNW | 345° NNW | 340° NNW | 332° NNW | 329° NNW | 329° NNW | 329° NNW |
| Period | 8.8 sec. | 9.0 sec. | 9.2 sec. | 8.9 sec. | 8.6 sec. | 8.6 sec. | 8.1 sec. | 9.6 sec. |
| Significant height | 1.7m (5.6ft) | 2.0m (6.6ft) | 1.9m (6.2ft) | 2.0m (6.6ft) | 1.8m (5.9ft) | 1.6m (5.2ft) | 1.4m (4.6ft) | 1.2m (3.9ft) |
| 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 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 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 22.4mph km/h (with gusts up to 26.7mph). 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 | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) |
| Perceived temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 55% | 56% | 55% | 56% | 56% | 56% | 55% | 55% |
| Barometric pressure | 1023 hPa | 1023 hPa | 1023 hPa | 1025 hPa | 1024 hPa | 1023 hPa | 1023 hPa | 1024 hPa |
| Cloud cover | 47% | 46% | 48% | 61% | 71% | 63% | 50% | 69% |
| Heat index | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) |
| Dew point | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 33km/h (20mph) | 34km/h (21mph) | 36km/h (22mph) | 33km/h (21mph) | 27km/h (17mph) | 21km/h (13mph) | 22km/h (14mph) | 20km/h (13mph) |
| Gusts | 39km/h (24mph) | 41km/h (26mph) | 43km/h (27mph) | 40km/h (25mph) | 35km/h (22mph) | 28km/h (17mph) | 30km/h (19mph) | 26km/h (16mph) |
| Direction | 358° N | 359° N | 8° N | 20° NNE | 40° NE | 45° NE | 42° NE | 58° ENE |
| Wind chill | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) | 18°C (65°F) | 19°C (66°F) |
| Waves | ||||||||
| Height | 2.7m (8.8ft) | 2.5m (8.2ft) | 2.3m (7.6ft) | 2.1m (7.0ft) | 1.9m (6.4ft) | 1.8m (5.8ft) | 1.6m (5.4ft) | 1.5m (4.9ft) |
| Direction | 330° NNW | 332° NNW | 334° NNW | 334° NNW | 335° NNW | 337° NNW | 339° NNW | 341° NNW |
| Period | 11.0 sec. | 11.2 sec. | 11.6 sec. | 10.9 sec. | 8.3 sec. | 8.1 sec. | 8.0 sec. | 7.8 sec. |
| Significant height | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.7m (2.3ft) | 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 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 11.8mph km/h (with gusts up to 15.5mph). 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 (67°F) | 19°C (67°F) | 19°C (67°F) | 20°C (67°F) | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) |
| Perceived temperature | 19°C (66°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) | 20°C (67°F) | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 54% | 54% | 55% | 54% | 56% | 58% | 56% | 59% |
| Barometric pressure | 1023 hPa | 1022 hPa | 1022 hPa | 1023 hPa | 1022 hPa | 1021 hPa | 1021 hPa | 1022 hPa |
| Cloud cover | 56% | 0% | 6% | 5% | 69% | 88% | 96% | 80% |
| Heat index | 19°C (66°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) | 20°C (67°F) | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) |
| Dew point | 9°C (49°F) | 10°C (49°F) | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 11°C (53°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 17km/h (11mph) | 18km/h (11mph) | 15km/h (10mph) | 15km/h (10mph) | 15km/h (9mph) | 16km/h (10mph) | 19km/h (12mph) |
| Gusts | 22km/h (14mph) | 22km/h (14mph) | 23km/h (14mph) | 20km/h (13mph) | 21km/h (13mph) | 22km/h (14mph) | 22km/h (14mph) | 25km/h (15mph) |
| Direction | 82° E | 83° E | 77° ENE | 80° E | 85° E | 76° ENE | 65° ENE | 63° ENE |
| Wind chill | 19°C (66°F) | 19°C (67°F) | 19°C (67°F) | 19°C (67°F) | 20°C (67°F) | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 1.4m (4.5ft) | 1.3m (4.2ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.4ft) | 1.0m (3.2ft) | 0.9m (3.0ft) | 0.8m (2.8ft) |
| Direction | 342° NNW | 344° NNW | 346° NNW | 347° NNW | 347° NNW | 86° E | 87° E | 87° E |
| Period | 7.6 sec. | 7.4 sec. | 7.3 sec. | 7.0 sec. | 6.9 sec. | 6.8 sec. | 6.7 sec. | 6.6 sec. |
| Significant height | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 0.9m (3ft) | 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 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 10.6mph km/h (with gusts up to 14.3mph). 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 | 20°C (68°F) | 21°C (69°F) | 21°C (69°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) | 21°C (69°F) | 21°C (69°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 | 60% | 52% | 53% | 56% | 55% | 55% | 54% | 55% |
| Barometric pressure | 1021 hPa | 1021 hPa | 1020 hPa | 1021 hPa | 1020 hPa | 1019 hPa | 1020 hPa | 1021 hPa |
| Cloud cover | 76% | 80% | 70% | 28% | 14% | 21% | 28% | 27% |
| Heat index | 20°C (68°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) |
| Dew point | 12°C (53°F) | 10°C (51°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 11°C (51°F) | 10°C (51°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 11km/h (7mph) | 15km/h (9mph) | 15km/h (9mph) | 12km/h (8mph) | 8km/h (5mph) | 5km/h (3mph) | 4km/h (2mph) |
| Gusts | 23km/h (14mph) | 15km/h (9mph) | 19km/h (12mph) | 20km/h (12mph) | 18km/h (11mph) | 13km/h (8mph) | 8km/h (5mph) | 5km/h (3mph) |
| Direction | 71° ENE | 76° ENE | 74° ENE | 86° E | 98° E | 94° E | 47° NE | 37° NE |
| Wind chill | 20°C (68°F) | 21°C (69°F) | 21°C (69°F) | 21°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.7m (2.2ft) | 0.6m (2.1ft) | 0.6m (2.0ft) | 0.6m (1.9ft) | 0.8m (2.6ft) |
| Direction | 88° E | 88° E | 89° E | 90° E | 91° E | 92° E | 93° E | 93° E |
| Period | 9.5 sec. | 9.6 sec. | 9.6 sec. | 9.5 sec. | 9.3 sec. | 9.2 sec. | 9.1 sec. | 9.1 sec. |
| Significant height | 0.6m (2ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.6m (2ft) | 1.1m (3.6ft) |
| 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 19.3mph km/h (with gusts up to 24.2mph). Wave height will be up to 6.2ft 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) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 20°C (69°F) | 21°C (70°F) |
| Perceived temperature | 20°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 20°C (69°F) | 21°C (70°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 67% | 68% | 68% | 69% | 66% | 63% | 64% | 66% |
| Barometric pressure | 1021 hPa | 1021 hPa | 1021 hPa | 1022 hPa | 1021 hPa | 1020 hPa | 1021 hPa | 1021 hPa |
| Cloud cover | 90% | 100% | 100% | 97% | 93% | 73% | 94% | 76% |
| Heat index | 20°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 20°C (69°F) | 21°C (70°F) |
| Dew point | 14°C (57°F) | 15°C (58°F) | 14°C (58°F) | 14°C (57°F) | 13°C (56°F) | 13°C (55°F) | 13°C (56°F) | 14°C (58°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 23km/h (15mph) | 31km/h (19mph) | 29km/h (18mph) | 25km/h (16mph) | 23km/h (14mph) | 23km/h (14mph) | 25km/h (15mph) |
| Gusts | 21km/h (13mph) | 30km/h (19mph) | 39km/h (24mph) | 37km/h (23mph) | 33km/h (21mph) | 31km/h (19mph) | 32km/h (20mph) | 34km/h (21mph) |
| Direction | 347° NNW | 9° N | 6° N | 14° NNE | 25° NNE | 21° NNE | 43° NE | 74° ENE |
| Wind chill | 20°C (69°F) | 21°C (69°F) | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 20°C (68°F) | 20°C (69°F) | 21°C (70°F) |
| Waves | ||||||||
| Height | 1.1m (3.5ft) | 1.2m (3.9ft) | 1.5m (5.0ft) | 1.9m (6.3ft) | 1.8m (5.8ft) | 1.7m (5.6ft) | 1.7m (5.4ft) | 1.6m (5.3ft) |
| Direction | 331° NNW | 329° NNW | 333° NNW | 322° NW | 326° NW | 331° NNW | 335° NNW | 338° NNW |
| Period | 9.1 sec. | 9.0 sec. | 9.0 sec. | 9.0 sec. | 9.0 sec. | 7.3 sec. | 7.5 sec. | 7.6 sec. |
| Significant height | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 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) |
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 21.8mph km/h (with gusts up to 29.2mph). Wave height will be up to 6.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (71°F) | 22°C (72°F) |
| Perceived temperature | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (71°F) | 25°C (76°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 66% | 70% | 68% | 76% | 69% | 67% | 64% | 70% |
| Barometric pressure | 1020 hPa | 1020 hPa | 1020 hPa | 1021 hPa | 1020 hPa | 1019 hPa | 1020 hPa | 1020 hPa |
| Cloud cover | 93% | 51% | 70% | 97% | 96% | 99% | 58% | 65% |
| Heat index | 24°C (76°F) | 21°C (70°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 25°C (76°F) |
| Dew point | 15°C (58°F) | 15°C (60°F) | 15°C (59°F) | 17°C (62°F) | 16°C (60°F) | 15°C (59°F) | 14°C (58°F) | 17°C (62°F) |
| Wind | ||||||||
| Speed | 23km/h (15mph) | 26km/h (16mph) | 27km/h (17mph) | 33km/h (20mph) | 35km/h (21mph) | 31km/h (19mph) | 30km/h (19mph) | 31km/h (19mph) |
| Gusts | 31km/h (19mph) | 33km/h (21mph) | 35km/h (22mph) | 43km/h (26mph) | 47km/h (29mph) | 42km/h (26mph) | 43km/h (27mph) | 43km/h (27mph) |
| Direction | 86° E | 89° E | 81° E | 74° ENE | 84° E | 83° E | 81° E | 92° E |
| Wind chill | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (71°F) | 22°C (71°F) | 21°C (70°F) | 21°C (71°F) | 22°C (72°F) |
| Waves | ||||||||
| Height | 1.6m (5.1ft) | 1.4m (4.8ft) | 1.4m (4.5ft) | 1.3m (4.3ft) | 1.3m (4.2ft) | 1.4m (4.6ft) | 1.8m (5.8ft) | 1.9m (6.3ft) |
| Direction | 341° NNW | 346° NNW | 351° N | 351° N | 356° N | 20° NNE | 47° NE | 63° ENE |
| Period | 7.7 sec. | 7.8 sec. | 7.8 sec. | 7.6 sec. | 7.4 sec. | 7.4 sec. | 7.3 sec. | 7.2 sec. |
| Significant height | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.6m (2ft) | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| 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) |





