Sea weather in Iwaki in Japan All the beach weather in Iwaki
All the essential weather information for enjoying the beach in Iwaki 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 Iwaki over the next 7 days?
Discover the best moment to go to the beach in Iwaki in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Iwaki. 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 14 December 2025 | 43°F to 54°F | 20.5mph | not recommended | all the sea weather |
| Monday 15 December 2025 | 38°F to 50°F | 21.1mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 43°F to 52°F | 6.8mph | discouraged | all the sea weather |
| Wednesday 17 December 2025 | 43°F to 49°F | 8.1mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 40°F to 45°F | 3.7mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 43°F to 52°F | 10.6mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 50°F to 58°F | 7.5mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Iwaki
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 06:41 and will set at 16:19 on the beach(es) of Iwaki. The outside temperature will be a high of 54°F t and a low of 43°F. Precipitation is in the forecast (0.7in 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 28mph km/h (with gusts up to 29.8mph). 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 | 6°C (42°F) | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 12°C (53°F) | 9°C (49°F) | 9°C (48°F) |
| Perceived temperature | 5°C (41°F) | 4°C (39°F) | 3°C (38°F) | 5°C (40°F) | 4°C (39°F) | 9°C (47°F) | 5°C (41°F) | 5°C (41°F) |
| Precipitation | 0in | 0in | 0.2in | 0.1in | 0.4in | 0in | 0in | 0in |
| Humidity | 83% | 94% | 96% | 89% | 96% | 67% | 67% | 63% |
| Barometric pressure | 1021 hPa | 1015 hPa | 1009 hPa | 1005 hPa | 996 hPa | 995 hPa | 998 hPa | 999 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 91% | 100% | 94% | 0% |
| Heat index | 6°C (42°F) | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 12°C (53°F) | 9°C (49°F) | 9°C (48°F) |
| Dew point | 3°C (37°F) | 6°C (42°F) | 7°C (44°F) | 6°C (42°F) | 7°C (45°F) | 6°C (42°F) | 4°C (38°F) | 2°C (36°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 15km/h (9mph) | 26km/h (16mph) | 16km/h (10mph) | 23km/h (14mph) | 30km/h (19mph) | 45km/h (28mph) | 33km/h (21mph) |
| Gusts | 6km/h (4mph) | 21km/h (13mph) | 42km/h (26mph) | 23km/h (14mph) | 35km/h (22mph) | 47km/h (29mph) | 45km/h (28mph) | 48km/h (30mph) |
| Direction | 359° N | 355° N | 351° N | 338° NNW | 351° N | 316° NW | 294° WNW | 290° WNW |
| Wind chill | 5°C (41°F) | 4°C (39°F) | 3°C (38°F) | 5°C (40°F) | 4°C (39°F) | 9°C (47°F) | 5°C (41°F) | 5°C (41°F) |
| Waves | ||||||||
| Height | 0.8m (2.5ft) | 1.1m (3.6ft) | 1.9m (6.1ft) | 2.0m (6.6ft) | 2.1m (6.8ft) | 2.5m (8.3ft) | 3.4m (11.3ft) | 3.3m (10.9ft) |
| Direction | 91° E | 91° E | 154° SSE | 148° SSE | 146° SSE | 146° SE | 149° SSE | 154° SSE |
| Period | 11.8 sec. | 11.8 sec. | 6.6 sec. | 7.4 sec. | 8.1 sec. | 9.5 sec. | 10.8 sec. | 11.1 sec. |
| Significant height | 0.8m (2.6ft) | 1.2m (3.9ft) | 0.6m (2ft) | 1.0m (3.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 2.5m (8.2ft) | 2.3m (7.5ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 06:42 and will set at 16:20 on the beach(es) of Iwaki. The outside temperature will be a high of 50°F t and a low of 38°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 23mph km/h (with gusts up to 29.8mph). Wave height will be up to 9.8ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | | | |
| Outside temperature | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 6°C (44°F) | 3°C (37°F) | 6°C (44°F) |
| Perceived temperature | 6°C (43°F) | 4°C (40°F) | 4°C (39°F) | 4°C (38°F) | 4°C (38°F) | 2°C (35°F) | -3°C (26°F) | 2°C (35°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 54% | 65% | 71% | 67% | 54% | 55% | 58% | 58% |
| Barometric pressure | 999 hPa | 1003 hPa | 1007 hPa | 1012 hPa | 1013 hPa | 1016 hPa | 1019 hPa | 1021 hPa |
| Cloud cover | 14% | 46% | 35% | 8% | 2% | 3% | 0% | 2% |
| Heat index | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 6°C (44°F) | 3°C (37°F) | 6°C (44°F) |
| Dew point | 1°C (34°F) | 2°C (36°F) | 3°C (37°F) | 2°C (36°F) | -1°C (31°F) | -2°C (29°F) | -5°C (24°F) | -1°C (30°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 35km/h (22mph) | 28km/h (17mph) | 33km/h (21mph) | 37km/h (23mph) | 35km/h (21mph) | 35km/h (21mph) | 34km/h (21mph) |
| Gusts | 48km/h (30mph) | 48km/h (30mph) | 39km/h (24mph) | 42km/h (26mph) | 44km/h (27mph) | 40km/h (25mph) | 36km/h (22mph) | 47km/h (29mph) |
| Direction | 229° SW | 270° W | 308° NW | 309° NW | 298° WNW | 296° WNW | 297° WNW | 294° WNW |
| Wind chill | 6°C (43°F) | 4°C (40°F) | 4°C (39°F) | 4°C (38°F) | 4°C (38°F) | 2°C (35°F) | -3°C (26°F) | 2°C (35°F) |
| Waves | ||||||||
| Height | 3.0m (9.8ft) | 2.7m (8.8ft) | 2.2m (7.3ft) | 1.9m (6.1ft) | 1.6m (5.4ft) | 1.5m (4.9ft) | 1.3m (4.4ft) | 1.2m (4.0ft) |
| Direction | 156° SSE | 157° SSE | 154° SSE | 151° SSE | 147° SSE | 141° SE | 148° SSE | 144° SE |
| Period | 11.0 sec. | 10.8 sec. | 10.6 sec. | 10.1 sec. | 9.9 sec. | 9.6 sec. | 9.2 sec. | 9.3 sec. |
| Significant height | 1.7m (5.6ft) | 1.9m (6.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.5m (4.9ft) | 2.0m (6.6ft) | 1.6m (5.2ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 06:43 and will set at 16:20 on the beach(es) of Iwaki. The outside temperature will be a high of 52°F t and a low of 43°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 26.7mph). 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 | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 7°C (45°F) | 9°C (49°F) | 11°C (52°F) | 8°C (47°F) | 8°C (47°F) |
| Perceived temperature | 2°C (35°F) | 2°C (36°F) | 3°C (38°F) | 5°C (41°F) | 8°C (46°F) | 9°C (48°F) | 5°C (41°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 59% | 57% | 63% | 58% | 44% | 47% | 53% | 46% |
| Barometric pressure | 1021 hPa | 1021 hPa | 1021 hPa | 1022 hPa | 1019 hPa | 1017 hPa | 1018 hPa | 1018 hPa |
| Cloud cover | 2% | 5% | 33% | 28% | 73% | 78% | 4% | 9% |
| Heat index | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 7°C (45°F) | 9°C (49°F) | 11°C (52°F) | 8°C (47°F) | 8°C (47°F) |
| Dew point | -1°C (30°F) | -1°C (29°F) | -1°C (30°F) | -0°C (31°F) | -2°C (28°F) | 0°C (33°F) | -1°C (30°F) | -2°C (28°F) |
| Wind | ||||||||
| Speed | 31km/h (19mph) | 23km/h (14mph) | 12km/h (8mph) | 11km/h (7mph) | 12km/h (7mph) | 21km/h (13mph) | 21km/h (13mph) | 11km/h (7mph) |
| Gusts | 43km/h (26mph) | 33km/h (21mph) | 19km/h (12mph) | 15km/h (9mph) | 15km/h (10mph) | 31km/h (19mph) | 22km/h (14mph) | 19km/h (11mph) |
| Direction | 313° NW | 313° NW | 272° W | 250° WSW | 218° SW | 208° SSW | 220° SW | 240° WSW |
| Wind chill | 2°C (35°F) | 2°C (36°F) | 3°C (38°F) | 5°C (41°F) | 8°C (46°F) | 9°C (48°F) | 5°C (41°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 1.1m (3.7ft) | 1.1m (3.5ft) | 0.9m (3.0ft) | 0.8m (2.7ft) | 0.8m (2.6ft) | 0.9m (2.9ft) | 0.9m (3.0ft) | 0.8m (2.8ft) |
| Direction | 88° E | 83° E | 79° E | 66° ENE | 67° ENE | 68° ENE | 69° ENE | 70° ENE |
| Period | 9.2 sec. | 9.1 sec. | 9.0 sec. | 8.7 sec. | 8.5 sec. | 8.4 sec. | 12.8 sec. | 12.7 sec. |
| Significant height | 1.2m (3.9ft) | 1.3m (4.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 06:43 and will set at 16:20 on the beach(es) of Iwaki. The outside temperature will be a high of 49°F t and a low of 43°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 8.7mph km/h (with gusts up to 12.4mph). 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 | 8°C (47°F) | 7°C (44°F) | 6°C (43°F) | 7°C (45°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) |
| Perceived temperature | 7°C (45°F) | 4°C (40°F) | 4°C (39°F) | 5°C (41°F) | 8°C (46°F) | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 51% | 74% | 76% | 66% | 58% | 64% | 66% | 68% |
| Barometric pressure | 1017 hPa | 1018 hPa | 1019 hPa | 1021 hPa | 1019 hPa | 1019 hPa | 1021 hPa | 1022 hPa |
| Cloud cover | 11% | 13% | 7% | 17% | 38% | 44% | 100% | 100% |
| Heat index | 8°C (47°F) | 7°C (44°F) | 6°C (43°F) | 7°C (45°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 8°C (47°F) |
| Dew point | -1°C (30°F) | 2°C (36°F) | 2°C (36°F) | 1°C (34°F) | 1°C (34°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) |
| Wind | ||||||||
| Speed | 9km/h (5mph) | 11km/h (7mph) | 10km/h (6mph) | 10km/h (6mph) | 7km/h (4mph) | 13km/h (8mph) | 14km/h (9mph) | 13km/h (8mph) |
| Gusts | 14km/h (9mph) | 18km/h (11mph) | 15km/h (10mph) | 14km/h (8mph) | 9km/h (6mph) | 18km/h (11mph) | 20km/h (13mph) | 18km/h (11mph) |
| Direction | 271° W | 324° NW | 338° NNW | 346° NNW | 57° ENE | 51° NE | 25° NNE | 349° N |
| Wind chill | 7°C (45°F) | 4°C (40°F) | 4°C (39°F) | 5°C (41°F) | 8°C (46°F) | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.4ft) | 0.8m (2.6ft) |
| Direction | 74° ENE | 74° ENE | 74° ENE | 78° ENE | 78° ENE | 78° ENE | 75° ENE | 75° ENE |
| Period | 12.1 sec. | 11.9 sec. | 11.6 sec. | 11.1 sec. | 11.0 sec. | 10.9 sec. | 10.8 sec. | 10.6 sec. |
| Significant height | 0.8m (2.6ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 06:44 and will set at 16:21 on the beach(es) of Iwaki. The outside temperature will be a high of 45°F t and a low of 40°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 18mph). 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 | 7°C (44°F) | 7°C (44°F) | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 4°C (40°F) | 7°C (44°F) |
| Perceived temperature | 5°C (40°F) | 4°C (40°F) | 3°C (37°F) | 3°C (38°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 58% | 62% | 60% | 49% | 53% | 55% | 60% |
| Barometric pressure | 1022 hPa | 1023 hPa | 1024 hPa | 1026 hPa | 1025 hPa | 1026 hPa | 1027 hPa | 1028 hPa |
| Cloud cover | 50% | 64% | 7% | 0% | 0% | 0% | 0% | 10% |
| Heat index | 7°C (44°F) | 7°C (44°F) | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 4°C (40°F) | 7°C (44°F) |
| Dew point | 1°C (34°F) | -1°C (30°F) | -1°C (30°F) | -1°C (30°F) | -4°C (25°F) | -3°C (27°F) | -4°C (25°F) | -1°C (31°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 11km/h (7mph) | 13km/h (8mph) | 16km/h (10mph) | 9km/h (6mph) | 14km/h (9mph) | 6km/h (4mph) | 6km/h (4mph) |
| Gusts | 15km/h (10mph) | 15km/h (9mph) | 18km/h (11mph) | 20km/h (13mph) | 17km/h (11mph) | 29km/h (18mph) | 14km/h (8mph) | 9km/h (5mph) |
| Direction | 322° NW | 335° NNW | 349° N | 357° N | 36° NE | 45° NE | 353° N | 359° N |
| Wind chill | 5°C (40°F) | 4°C (40°F) | 3°C (37°F) | 3°C (38°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.7m (2.5ft) | 0.7m (2.3ft) | 0.7m (2.4ft) | 0.7m (2.4ft) | 0.7m (2.5ft) | 0.8m (2.6ft) | 0.8m (2.7ft) | 0.8m (2.7ft) |
| Direction | 75° ENE | 73° ENE | 73° ENE | 73° ENE | 73° ENE | 71° ENE | 71° ENE | 72° ENE |
| Period | 12.7 sec. | 12.1 sec. | 12.0 sec. | 11.7 sec. | 11.0 sec. | 10.9 sec. | 14.6 sec. | 14.4 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 06:44 and will set at 16:21 on the beach(es) of Iwaki. The outside temperature will be a high of 52°F t and a low of 43°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 18.6mph). Wave height will be up to 3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 8°C (46°F) | 10°C (49°F) | 11°C (53°F) | 11°C (52°F) | 11°C (52°F) |
| Perceived temperature | 6°C (42°F) | 4°C (39°F) | 4°C (40°F) | 7°C (45°F) | 8°C (47°F) | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 62% | 67% | 69% | 66% | 63% | 67% | 73% | 73% |
| Barometric pressure | 1028 hPa | 1028 hPa | 1029 hPa | 1030 hPa | 1028 hPa | 1027 hPa | 1028 hPa | 1028 hPa |
| Cloud cover | 20% | 10% | 2% | 10% | 5% | 15% | 35% | 44% |
| Heat index | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 8°C (46°F) | 10°C (49°F) | 11°C (53°F) | 11°C (52°F) | 11°C (52°F) |
| Dew point | -0°C (31°F) | 0°C (32°F) | 1°C (33°F) | 2°C (35°F) | 3°C (37°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) |
| Wind | ||||||||
| Speed | 4km/h (3mph) | 8km/h (5mph) | 8km/h (5mph) | 5km/h (3mph) | 10km/h (6mph) | 15km/h (10mph) | 16km/h (10mph) | 17km/h (11mph) |
| Gusts | 7km/h (4mph) | 13km/h (8mph) | 13km/h (8mph) | 7km/h (4mph) | 15km/h (9mph) | 24km/h (15mph) | 29km/h (18mph) | 30km/h (19mph) |
| Direction | 294° WNW | 289° WNW | 294° WNW | 250° WSW | 208° SSW | 205° SSW | 222° SW | 225° SW |
| Wind chill | 6°C (42°F) | 4°C (39°F) | 4°C (40°F) | 7°C (45°F) | 8°C (47°F) | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.8m (2.7ft) | 0.9m (2.9ft) |
| Direction | 70° ENE | 71° ENE | 73° ENE | 74° ENE | 74° ENE | 74° ENE | 74° ENE | 78° ENE |
| Period | 13.8 sec. | 13.3 sec. | 13.1 sec. | 12.9 sec. | 12.4 sec. | 12.0 sec. | 11.8 sec. | 11.6 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 06:45 and will set at 16:22 on the beach(es) of Iwaki. The outside temperature will be a high of 58°F t and a low of 50°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 3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 12°C (53°F) | 11°C (53°F) | 10°C (51°F) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) | 14°C (57°F) | 14°C (56°F) |
| Perceived temperature | 10°C (49°F) | 9°C (49°F) | 9°C (48°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) | 13°C (55°F) | 13°C (55°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 73% | 78% | 76% | 66% | 66% | 75% | 74% |
| Barometric pressure | 1027 hPa | 1027 hPa | 1028 hPa | 1028 hPa | 1026 hPa | 1025 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 4% | 0% | 0% | 0% | 0% | 1% | 69% | 30% |
| Heat index | 12°C (53°F) | 11°C (53°F) | 10°C (51°F) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) | 14°C (57°F) | 14°C (56°F) |
| Dew point | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 8°C (47°F) | 6°C (44°F) | 6°C (43°F) | 10°C (49°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 20km/h (13mph) | 17km/h (10mph) | 12km/h (7mph) | 12km/h (8mph) | 22km/h (14mph) | 21km/h (13mph) | 14km/h (9mph) | 12km/h (7mph) |
| Gusts | 36km/h (23mph) | 30km/h (19mph) | 22km/h (14mph) | 20km/h (13mph) | 27km/h (17mph) | 23km/h (14mph) | 26km/h (16mph) | 21km/h (13mph) |
| Direction | 223° SW | 224° SW | 241° WSW | 227° SW | 201° SSW | 204° SSW | 214° SW | 247° WSW |
| Wind chill | 10°C (49°F) | 9°C (49°F) | 9°C (48°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) | 13°C (55°F) | 13°C (55°F) |
| Waves | ||||||||
| Height | 0.9m (2.9ft) | 0.9m (3.0ft) | 0.9m (2.9ft) | 0.8m (2.7ft) | 0.8m (2.8ft) | 0.9m (2.9ft) | 0.8m (2.7ft) | 0.8m (2.5ft) |
| Direction | 78° ENE | 78° ENE | 79° ENE | 79° ENE | 79° E | 80° E | 81° E | 83° E |
| Period | 11.3 sec. | 11.0 sec. | 10.9 sec. | 10.8 sec. | 10.7 sec. | 10.6 sec. | 10.4 sec. | 10.2 sec. |
| Significant height | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) | 17°C (62°F) |