Sea weather in Hitachi-Naka in Japan All the beach weather in Hitachi-Naka
All the essential weather information for enjoying the beach in Hitachi-Naka 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 Hitachi-Naka over the next 7 days?
Discover the best moment to go to the beach in Hitachi-Naka in Japan this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Hitachi-Naka. 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 | 38°F to 45°F | 3.7mph | discouraged | all the sea weather |
| Sunday 14 December 2025 | 43°F to 49°F | 16.8mph | discouraged | all the sea weather |
| Monday 15 December 2025 | 38°F to 50°F | 8.1mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 41°F to 50°F | 5.6mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 43°F to 50°F | 5mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 40°F to 49°F | 9.9mph | recommended | all the sea weather |
| Friday 19 December 2025 | 41°F to 50°F | 5mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Hitachi-Naka
Sea weather on Saturday 13 December 2025
On Saturday 13 December 2025, the sun will rise at 06:40 and will set at 16:23 on the beach(es) of Hitachi-Naka. The outside temperature will be a high of 45°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 14.3mph km/h (with gusts up to 19.3mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 4°C (39°F) | 4°C (39°F) | 3°C (38°F) | 5°C (40°F) | 7°C (44°F) | 7°C (45°F) | 6°C (43°F) | 6°C (42°F) |
| Perceived temperature | -0°C (31°F) | 1°C (33°F) | 1°C (34°F) | 3°C (38°F) | 7°C (44°F) | 5°C (42°F) | 4°C (40°F) | 4°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 47% | 47% | 49% | 46% | 35% | 38% | 62% | 80% |
| Barometric pressure | 1026 hPa | 1027 hPa | 1028 hPa | 1029 hPa | 1027 hPa | 1026 hPa | 1026 hPa | 1024 hPa |
| Cloud cover | 15% | 47% | 100% | 29% | 25% | 53% | 96% | 100% |
| Heat index | 4°C (39°F) | 4°C (39°F) | 3°C (38°F) | 5°C (40°F) | 7°C (44°F) | 7°C (45°F) | 6°C (43°F) | 6°C (42°F) |
| Dew point | -6°C (21°F) | -6°C (21°F) | -6°C (21°F) | -6°C (21°F) | -8°C (18°F) | -6°C (21°F) | -1°C (31°F) | 3°C (37°F) |
| Wind | ||||||||
| Speed | 23km/h (14mph) | 14km/h (9mph) | 9km/h (5mph) | 6km/h (4mph) | 2km/h (1mph) | 9km/h (6mph) | 8km/h (5mph) | 6km/h (4mph) |
| Gusts | 31km/h (19mph) | 19km/h (12mph) | 12km/h (8mph) | 8km/h (5mph) | 3km/h (2mph) | 13km/h (8mph) | 12km/h (7mph) | 8km/h (5mph) |
| Direction | 337° NNW | 331° NNW | 333° NNW | 305° NW | 298° WNW | 154° SSE | 164° SSE | 27° NNE |
| Wind chill | -0°C (31°F) | 1°C (33°F) | 1°C (34°F) | 3°C (38°F) | 7°C (44°F) | 5°C (42°F) | 4°C (40°F) | 4°C (40°F) |
| Waves | ||||||||
| Height | 1.3m (4.2ft) | 1.1m (3.7ft) | 1.1m (3.6ft) | 1.0m (3.4ft) | 1.0m (3.1ft) | 0.9m (2.9ft) | 0.8m (2.7ft) | 0.8m (2.6ft) |
| Direction | 35° NE | 87° E | 86° E | 85° E | 85° E | 87° E | 88° E | 88° E |
| Period | 7.7 sec. | 7.7 sec. | 7.4 sec. | 7.0 sec. | 6.9 sec. | 11.8 sec. | 11.9 sec. | 11.8 sec. |
| Significant height | 0.5m (1.6ft) | 1.5m (4.9ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 06:41 and will set at 16:23 on the beach(es) of Hitachi-Naka. The outside temperature will be a high of 49°F t and a low of 43°F. Precipitation is in the forecast (0.1in 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 16.8mph km/h (with gusts up to 28mph). Wave height will be up to 6.9ft 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) | 8°C (46°F) | 7°C (45°F) | 8°C (47°F) | 9°C (47°F) | 8°C (47°F) | 9°C (48°F) |
| Perceived temperature | 3°C (37°F) | 2°C (35°F) | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 92% | 86% | 94% | 93% | 88% | 84% | 67% |
| Barometric pressure | 1019 hPa | 1014 hPa | 1010 hPa | 1006 hPa | 1001 hPa | 999 hPa | 1000 hPa | 1001 hPa |
| Cloud cover | 100% | 80% | 88% | 92% | 100% | 82% | 100% | 0% |
| Heat index | 6°C (43°F) | 6°C (43°F) | 8°C (46°F) | 7°C (45°F) | 8°C (47°F) | 9°C (47°F) | 8°C (47°F) | 9°C (48°F) |
| Dew point | 4°C (39°F) | 5°C (41°F) | 5°C (42°F) | 6°C (43°F) | 7°C (45°F) | 7°C (44°F) | 6°C (42°F) | 3°C (38°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 27km/h (17mph) | 9km/h (5mph) | 8km/h (5mph) | 10km/h (6mph) | 12km/h (7mph) | 8km/h (5mph) | 27km/h (17mph) |
| Gusts | 21km/h (13mph) | 36km/h (22mph) | 13km/h (8mph) | 11km/h (7mph) | 16km/h (10mph) | 17km/h (11mph) | 12km/h (8mph) | 45km/h (28mph) |
| Direction | 9° N | 312° NW | 320° NW | 8° N | 321° NW | 296° WNW | 257° WSW | 262° W |
| Wind chill | 3°C (37°F) | 2°C (35°F) | 6°C (43°F) | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.8m (2.5ft) | 0.9m (3.0ft) | 1.3m (4.4ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.8m (5.8ft) | 2.1m (6.9ft) | 2.1m (6.9ft) |
| Direction | 88° E | 88° E | 112° ESE | 112° ESE | 125° SE | 125° SE | 129° SE | 129° SE |
| Period | 11.8 sec. | 11.8 sec. | 5.6 sec. | 6.2 sec. | 6.8 sec. | 10.8 sec. | 10.6 sec. | 10.8 sec. |
| Significant height | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.7m (5.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 1.7m (5.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 06:41 and will set at 16:23 on the beach(es) of Hitachi-Naka. 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 27.3mph). 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 | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 9°C (48°F) | 10°C (50°F) | 9°C (49°F) | 4°C (39°F) | 7°C (44°F) |
| Perceived temperature | 5°C (41°F) | 5°C (40°F) | 5°C (40°F) | 6°C (42°F) | 7°C (45°F) | 6°C (43°F) | -1°C (31°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 47% | 56% | 54% | 45% | 34% | 38% | 48% | 50% |
| Barometric pressure | 1003 hPa | 1006 hPa | 1009 hPa | 1014 hPa | 1014 hPa | 1016 hPa | 1019 hPa | 1021 hPa |
| Cloud cover | 9% | 19% | 12% | 4% | 14% | 12% | 0% | 5% |
| Heat index | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 9°C (48°F) | 10°C (50°F) | 9°C (49°F) | 4°C (39°F) | 7°C (44°F) |
| Dew point | -2°C (29°F) | -0°C (32°F) | -1°C (31°F) | -3°C (27°F) | -5°C (23°F) | -4°C (24°F) | -6°C (21°F) | -3°C (26°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 25km/h (15mph) | 21km/h (13mph) | 21km/h (13mph) | 24km/h (15mph) | 26km/h (16mph) | 24km/h (15mph) | 13km/h (8mph) |
| Gusts | 44km/h (27mph) | 38km/h (24mph) | 31km/h (19mph) | 26km/h (16mph) | 32km/h (20mph) | 39km/h (24mph) | 29km/h (18mph) | 19km/h (12mph) |
| Direction | 258° WSW | 266° W | 295° WNW | 290° WNW | 292° WNW | 306° NW | 330° NNW | 333° NNW |
| Wind chill | 5°C (41°F) | 5°C (40°F) | 5°C (40°F) | 6°C (42°F) | 7°C (45°F) | 6°C (43°F) | -1°C (31°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 1.9m (6.3ft) | 1.7m (5.7ft) | 1.3m (4.4ft) | 1.1m (3.8ft) | 1.0m (3.3ft) | 1.0m (3.4ft) | 1.0m (3.4ft) | 1.0m (3.2ft) |
| Direction | 131° SE | 129° SE | 127° SE | 99° E | 93° E | 97° E | 108° ESE | 77° ENE |
| Period | 10.9 sec. | 10.8 sec. | 10.5 sec. | 11.2 sec. | 9.8 sec. | 9.3 sec. | 9.2 sec. | 8.7 sec. |
| Significant height | 2.0m (6.6ft) | 2.0m (6.6ft) | 1.0m (3.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 06:42 and will set at 16:24 on the beach(es) of Hitachi-Naka. The outside temperature will be a high of 50°F t and a low of 41°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 7.5mph km/h (with gusts up to 14.9mph). 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 | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 7°C (44°F) | 9°C (48°F) | 8°C (47°F) | 7°C (45°F) | 8°C (46°F) |
| Perceived temperature | 4°C (39°F) | 5°C (41°F) | 3°C (38°F) | 6°C (43°F) | 7°C (45°F) | 6°C (44°F) | 5°C (42°F) | 6°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 54% | 55% | 59% | 50% | 41% | 39% | 38% | 40% |
| Barometric pressure | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1018 hPa | 1017 hPa | 1018 hPa | 1018 hPa |
| Cloud cover | 14% | 45% | 31% | 0% | 6% | 0% | 3% | 6% |
| Heat index | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 7°C (44°F) | 9°C (48°F) | 8°C (47°F) | 7°C (45°F) | 8°C (46°F) |
| Dew point | -3°C (27°F) | -3°C (27°F) | -2°C (28°F) | -3°C (27°F) | -3°C (26°F) | -5°C (23°F) | -6°C (21°F) | -5°C (24°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 5km/h (3mph) | 8km/h (5mph) | 6km/h (4mph) | 10km/h (6mph) | 12km/h (7mph) | 10km/h (6mph) | 9km/h (6mph) |
| Gusts | 12km/h (8mph) | 8km/h (5mph) | 13km/h (8mph) | 8km/h (5mph) | 15km/h (10mph) | 24km/h (15mph) | 22km/h (14mph) | 16km/h (10mph) |
| Direction | 335° NNW | 305° NW | 314° NW | 279° W | 255° WSW | 249° WSW | 256° WSW | 298° WNW |
| Wind chill | 4°C (39°F) | 5°C (41°F) | 3°C (38°F) | 6°C (43°F) | 7°C (45°F) | 6°C (44°F) | 5°C (42°F) | 6°C (44°F) |
| Waves | ||||||||
| Height | 1.0m (3.2ft) | 0.9m (3.0ft) | 0.8m (2.7ft) | 0.8m (2.5ft) | 0.7m (2.4ft) | 0.7m (2.4ft) | 0.8m (2.5ft) | 0.8m (2.5ft) |
| Direction | 65° ENE | 67° ENE | 66° ENE | 66° ENE | 67° ENE | 68° ENE | 68° ENE | 69° ENE |
| Period | 11.5 sec. | 7.7 sec. | 12.3 sec. | 12.4 sec. | 12.6 sec. | 12.8 sec. | 12.8 sec. | 12.7 sec. |
| Significant height | 1.3m (4.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 06:43 and will set at 16:24 on the beach(es) of Hitachi-Naka. The outside temperature will be a high of 50°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 16.8mph). 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 | 8°C (46°F) | 7°C (45°F) | 6°C (44°F) | 8°C (46°F) | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) |
| Perceived temperature | 6°C (43°F) | 5°C (40°F) | 3°C (38°F) | 5°C (41°F) | 7°C (45°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 42% | 63% | 70% | 61% | 56% | 54% | 57% | 59% |
| Barometric pressure | 1018 hPa | 1018 hPa | 1019 hPa | 1021 hPa | 1019 hPa | 1019 hPa | 1020 hPa | 1020 hPa |
| Cloud cover | 3% | 5% | 3% | 11% | 29% | 32% | 86% | 72% |
| Heat index | 8°C (46°F) | 7°C (45°F) | 6°C (44°F) | 8°C (46°F) | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) |
| Dew point | -5°C (24°F) | 1°C (33°F) | 1°C (34°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 1°C (34°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 14km/h (9mph) | 17km/h (11mph) | 13km/h (8mph) | 11km/h (7mph) | 8km/h (5mph) | 8km/h (5mph) | 8km/h (5mph) |
| Gusts | 12km/h (7mph) | 22km/h (14mph) | 27km/h (17mph) | 16km/h (10mph) | 15km/h (9mph) | 11km/h (7mph) | 12km/h (7mph) | 12km/h (7mph) |
| Direction | 355° N | 15° NNE | 16° NNE | 20° NNE | 25° NNE | 53° NE | 44° NE | 11° NNE |
| Wind chill | 6°C (43°F) | 5°C (40°F) | 3°C (38°F) | 5°C (41°F) | 7°C (45°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.7m (2.2ft) | 0.7m (2.2ft) | 0.6m (2.1ft) | 0.9m (2.9ft) | 0.8m (2.8ft) | 0.9m (2.8ft) | 0.9m (3.0ft) |
| Direction | 69° ENE | 70° ENE | 72° ENE | 73° ENE | 73° ENE | 75° ENE | 75° ENE | 73° ENE |
| Period | 12.6 sec. | 12.3 sec. | 12.0 sec. | 11.8 sec. | 11.6 sec. | 11.3 sec. | 11.1 sec. | 10.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 06:43 and will set at 16:25 on the beach(es) of Hitachi-Naka. The outside temperature will be a high of 49°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 20.5mph). 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 | 8°C (46°F) | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) | 9°C (47°F) | 8°C (46°F) | 4°C (39°F) | 6°C (43°F) |
| Perceived temperature | 7°C (44°F) | 6°C (42°F) | 4°C (39°F) | 4°C (40°F) | 7°C (44°F) | 5°C (42°F) | 0°C (32°F) | 3°C (37°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 65% | 63% | 62% | 54% | 45% | 41% | 51% | 57% |
| Barometric pressure | 1020 hPa | 1020 hPa | 1022 hPa | 1024 hPa | 1023 hPa | 1024 hPa | 1026 hPa | 1028 hPa |
| Cloud cover | 100% | 82% | 43% | 12% | 7% | 0% | 0% | 0% |
| Heat index | 8°C (46°F) | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) | 9°C (47°F) | 8°C (46°F) | 4°C (39°F) | 6°C (43°F) |
| Dew point | 2°C (35°F) | 1°C (33°F) | -0°C (32°F) | -1°C (29°F) | -3°C (27°F) | -5°C (23°F) | -5°C (22°F) | -2°C (29°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 9km/h (6mph) | 14km/h (9mph) | 16km/h (10mph) | 10km/h (6mph) | 12km/h (7mph) | 16km/h (10mph) | 16km/h (10mph) |
| Gusts | 9km/h (6mph) | 13km/h (8mph) | 20km/h (12mph) | 20km/h (12mph) | 14km/h (9mph) | 24km/h (15mph) | 33km/h (21mph) | 23km/h (14mph) |
| Direction | 15° NNE | 1° N | 9° N | 11° NNE | 7° N | 34° NNE | 16° NNE | 14° NNE |
| Wind chill | 7°C (44°F) | 6°C (42°F) | 4°C (39°F) | 4°C (40°F) | 7°C (44°F) | 5°C (42°F) | 0°C (32°F) | 3°C (37°F) |
| Waves | ||||||||
| Height | 0.9m (2.9ft) | 0.8m (2.8ft) | 0.9m (2.8ft) | 0.9m (3.1ft) | 1.1m (3.5ft) | 1.0m (3.4ft) | 1.1m (3.5ft) | 1.1m (3.5ft) |
| Direction | 74° ENE | 75° ENE | 74° ENE | 75° ENE | 73° ENE | 74° ENE | 75° ENE | 73° ENE |
| Period | 4.5 sec. | 5.1 sec. | 5.3 sec. | 5.6 sec. | 11.8 sec. | 6.3 sec. | 15.3 sec. | 14.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 06:44 and will set at 16:25 on the beach(es) of Hitachi-Naka. The outside temperature will be a high of 50°F t and a low of 41°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 7.5mph km/h (with gusts up to 10.6mph). 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 | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 7°C (44°F) | 9°C (48°F) | 10°C (51°F) | 9°C (48°F) | 9°C (48°F) |
| Perceived temperature | 3°C (37°F) | 3°C (38°F) | 3°C (38°F) | 7°C (44°F) | 9°C (48°F) | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 58% | 58% | 58% | 52% | 51% | 56% | 63% | 67% |
| Barometric pressure | 1029 hPa | 1030 hPa | 1031 hPa | 1032 hPa | 1030 hPa | 1030 hPa | 1031 hPa | 1031 hPa |
| Cloud cover | 0% | 0% | 0% | 0% | 28% | 19% | 10% | 10% |
| Heat index | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 7°C (44°F) | 9°C (48°F) | 10°C (51°F) | 9°C (48°F) | 9°C (48°F) |
| Dew point | -2°C (28°F) | -2°C (28°F) | -3°C (27°F) | -2°C (28°F) | -0°C (31°F) | 2°C (36°F) | 2°C (36°F) | 3°C (38°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 9km/h (6mph) | 7km/h (4mph) | 3km/h (2mph) | 3km/h (2mph) | 6km/h (4mph) | 5km/h (3mph) | 8km/h (5mph) |
| Gusts | 17km/h (11mph) | 14km/h (9mph) | 12km/h (7mph) | 4km/h (3mph) | 3km/h (2mph) | 9km/h (5mph) | 10km/h (6mph) | 14km/h (9mph) |
| Direction | 5° N | 351° N | 346° NNW | 327° NNW | 110° ESE | 151° SSE | 280° W | 281° WNW |
| Wind chill | 3°C (37°F) | 3°C (38°F) | 3°C (38°F) | 7°C (44°F) | 9°C (48°F) | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) |
| Waves | ||||||||
| Height | 1.0m (3.3ft) | 0.9m (3.1ft) | 0.9m (3.0ft) | 0.9m (2.9ft) | 0.8m (2.8ft) | 0.8m (2.8ft) | 0.8m (2.7ft) | 0.8m (2.6ft) |
| Direction | 74° ENE | 74° ENE | 73° ENE | 73° ENE | 74° ENE | 75° ENE | 74° ENE | 75° ENE |
| Period | 14.5 sec. | 14.3 sec. | 14.0 sec. | 13.6 sec. | 13.4 sec. | 13.2 sec. | 12.7 sec. | 12.5 sec. |
| Significant height | 1.1m (3.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) |








