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 |
|---|---|---|---|---|
| Sunday 14 December 2025 | 43°F to 50°F | 15.5mph | discouraged | all the sea weather |
| Monday 15 December 2025 | 40°F to 52°F | 9.3mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 40°F to 49°F | 6.2mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 45°F to 52°F | 9.3mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 43°F to 49°F | 5.6mph | recommended | all the sea weather |
| Friday 19 December 2025 | 45°F to 54°F | 5.6mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 50°F to 61°F | 5.6mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Hitachi-Naka
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 50°F t and a low of 43°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 15.5mph km/h (with gusts up to 26.1mph). Wave height will be up to 7.5ft 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) | 7°C (44°F) | 8°C (47°F) | 7°C (45°F) | 7°C (45°F) | 9°C (48°F) | 9°C (49°F) | 10°C (50°F) |
| Perceived temperature | 4°C (40°F) | 3°C (38°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 8°C (47°F) | 9°C (48°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0.1in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 91% | 91% | 92% | 95% | 80% | 78% | 65% |
| Barometric pressure | 1020 hPa | 1014 hPa | 1008 hPa | 1004 hPa | 996 hPa | 997 hPa | 999 hPa | 1000 hPa |
| Cloud cover | 100% | 100% | 100% | 80% | 79% | 40% | 71% | 0% |
| Heat index | 6°C (43°F) | 7°C (44°F) | 8°C (47°F) | 7°C (45°F) | 7°C (45°F) | 9°C (48°F) | 9°C (49°F) | 10°C (50°F) |
| Dew point | 3°C (38°F) | 5°C (41°F) | 7°C (44°F) | 6°C (43°F) | 7°C (44°F) | 6°C (43°F) | 6°C (42°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 19km/h (12mph) | 21km/h (13mph) | 14km/h (9mph) | 13km/h (8mph) | 7km/h (4mph) | 6km/h (4mph) | 25km/h (15mph) |
| Gusts | 13km/h (8mph) | 26km/h (16mph) | 32km/h (20mph) | 21km/h (13mph) | 21km/h (13mph) | 10km/h (6mph) | 11km/h (7mph) | 42km/h (26mph) |
| Direction | 1° N | 2° N | 304° NW | 2° N | 352° N | 280° W | 326° NNW | 263° W |
| Wind chill | 4°C (40°F) | 3°C (38°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 8°C (47°F) | 9°C (48°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 0.8m (2.7ft) | 1.0m (3.4ft) | 1.6m (5.1ft) | 1.6m (5.2ft) | 1.6m (5.3ft) | 2.2m (7.3ft) | 2.3m (7.6ft) | 2.1m (7.0ft) |
| Direction | 90° E | 89° E | 130° SE | 124° ESE | 124° SE | 127° SE | 128° SE | 132° SE |
| Period | 11.8 sec. | 4.5 sec. | 6.4 sec. | 7.0 sec. | 7.6 sec. | 10.6 sec. | 10.8 sec. | 10.9 sec. |
| Significant height | 0.9m (3ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.1m (0.3ft) | 1.2m (3.9ft) |
| 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 52°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 22.4mph km/h (with gusts up to 32.9mph). 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 | 10°C (49°F) | 8°C (47°F) | 9°C (47°F) | 9°C (49°F) | 11°C (51°F) | 9°C (49°F) | 4°C (40°F) | 7°C (45°F) |
| Perceived temperature | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (44°F) | 8°C (46°F) | 6°C (43°F) | 0°C (32°F) | 4°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 45% | 55% | 58% | 53% | 42% | 40% | 50% | 53% |
| Barometric pressure | 1001 hPa | 1004 hPa | 1008 hPa | 1013 hPa | 1014 hPa | 1016 hPa | 1019 hPa | 1020 hPa |
| Cloud cover | 2% | 23% | 6% | 17% | 30% | 8% | 0% | 2% |
| Heat index | 10°C (49°F) | 8°C (47°F) | 9°C (47°F) | 9°C (49°F) | 11°C (51°F) | 9°C (49°F) | 4°C (40°F) | 7°C (45°F) |
| Dew point | -2°C (29°F) | -0°C (32°F) | 1°C (33°F) | 0°C (33°F) | -2°C (29°F) | -4°C (26°F) | -5°C (23°F) | -2°C (29°F) |
| Wind | ||||||||
| Speed | 36km/h (22mph) | 24km/h (15mph) | 27km/h (17mph) | 22km/h (14mph) | 25km/h (16mph) | 25km/h (15mph) | 21km/h (13mph) | 15km/h (10mph) |
| Gusts | 53km/h (33mph) | 37km/h (23mph) | 40km/h (25mph) | 28km/h (18mph) | 33km/h (21mph) | 38km/h (24mph) | 26km/h (16mph) | 23km/h (14mph) |
| Direction | 256° WSW | 275° W | 289° WNW | 299° WNW | 304° WNW | 314° NW | 333° NNW | 332° NNW |
| Wind chill | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (44°F) | 8°C (46°F) | 6°C (43°F) | 0°C (32°F) | 4°C (40°F) |
| Waves | ||||||||
| Height | 1.9m (6.1ft) | 1.5m (5.0ft) | 1.2m (3.9ft) | 1.0m (3.4ft) | 1.0m (3.2ft) | 1.0m (3.3ft) | 1.0m (3.2ft) | 0.9m (3.1ft) |
| Direction | 133° SE | 130° SE | 126° SE | 122° ESE | 106° ESE | 100° E | 95° E | 89° E |
| Period | 10.6 sec. | 10.3 sec. | 11.2 sec. | 9.8 sec. | 9.8 sec. | 8.9 sec. | 11.9 sec. | 9.2 sec. |
| Significant height | 1.6m (5.2ft) | 0.9m (3ft) | 1.4m (4.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 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 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 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 6.2mph km/h (with gusts up to 10.6mph). 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) | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 8°C (47°F) | 9°C (49°F) | 5°C (40°F) | 7°C (45°F) |
| Perceived temperature | 4°C (39°F) | 4°C (39°F) | 5°C (40°F) | 6°C (42°F) | 7°C (44°F) | 8°C (47°F) | 3°C (37°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 58% | 61% | 60% | 55% | 47% | 46% | 54% | 53% |
| Barometric pressure | 1021 hPa | 1021 hPa | 1022 hPa | 1022 hPa | 1019 hPa | 1018 hPa | 1019 hPa | 1019 hPa |
| Cloud cover | 10% | 46% | 50% | 81% | 61% | 78% | 0% | 6% |
| Heat index | 6°C (43°F) | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 8°C (47°F) | 9°C (49°F) | 5°C (40°F) | 7°C (45°F) |
| Dew point | -2°C (29°F) | -1°C (29°F) | -1°C (30°F) | -2°C (29°F) | -2°C (28°F) | -2°C (29°F) | -4°C (25°F) | -1°C (29°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 7km/h (4mph) | 6km/h (4mph) | 7km/h (4mph) | 8km/h (5mph) | 8km/h (5mph) | 8km/h (5mph) | 10km/h (6mph) |
| Gusts | 16km/h (10mph) | 11km/h (7mph) | 9km/h (6mph) | 9km/h (6mph) | 11km/h (7mph) | 12km/h (7mph) | 17km/h (10mph) | 17km/h (10mph) |
| Direction | 335° NNW | 320° NW | 307° NW | 304° WNW | 269° W | 218° SW | 232° SW | 271° W |
| Wind chill | 4°C (39°F) | 4°C (39°F) | 5°C (40°F) | 6°C (42°F) | 7°C (44°F) | 8°C (47°F) | 3°C (37°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.9m (2.8ft) | 0.9m (2.8ft) | 0.8m (2.7ft) | 0.8m (2.5ft) | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.4ft) |
| Direction | 79° E | 72° ENE | 66° ENE | 68° ENE | 68° ENE | 68° ENE | 69° ENE | 70° ENE |
| Period | 7.4 sec. | 7.5 sec. | 11.9 sec. | 12.0 sec. | 12.3 sec. | 12.6 sec. | 12.8 sec. | 12.9 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 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 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 52°F t and a low of 45°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 14.3mph). 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 | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 9°C (48°F) | 11°C (51°F) | 11°C (51°F) | 10°C (49°F) | 9°C (49°F) |
| Perceived temperature | 5°C (41°F) | 5°C (41°F) | 5°C (40°F) | 7°C (44°F) | 9°C (48°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 48% | 47% | 59% | 64% | 64% | 64% | 68% | 71% |
| Barometric pressure | 1018 hPa | 1018 hPa | 1019 hPa | 1020 hPa | 1018 hPa | 1019 hPa | 1020 hPa | 1021 hPa |
| Cloud cover | 3% | 4% | 11% | 19% | 68% | 91% | 60% | 91% |
| Heat index | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 9°C (48°F) | 11°C (51°F) | 11°C (51°F) | 10°C (49°F) | 9°C (49°F) |
| Dew point | -3°C (26°F) | -4°C (25°F) | -1°C (31°F) | 2°C (36°F) | 4°C (39°F) | 4°C (39°F) | 4°C (40°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 8km/h (5mph) | 11km/h (7mph) | 12km/h (8mph) | 13km/h (8mph) | 11km/h (7mph) | 14km/h (9mph) | 15km/h (10mph) |
| Gusts | 16km/h (10mph) | 15km/h (9mph) | 19km/h (12mph) | 17km/h (11mph) | 16km/h (10mph) | 16km/h (10mph) | 22km/h (14mph) | 23km/h (14mph) |
| Direction | 281° W | 314° NW | 9° N | 17° NNE | 47° NE | 65° ENE | 48° NE | 19° NNE |
| Wind chill | 5°C (41°F) | 5°C (41°F) | 5°C (40°F) | 7°C (44°F) | 9°C (48°F) | 9°C (48°F) | 8°C (46°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.7m (2.3ft) | 0.8m (2.5ft) | 0.9m (3.0ft) | 0.8m (2.8ft) | 0.8m (2.6ft) | 0.7m (2.5ft) | 0.8m (2.6ft) |
| Direction | 71° ENE | 72° ENE | 74° ENE | 74° ENE | 75° ENE | 75° ENE | 76° ENE | 76° ENE |
| Period | 12.6 sec. | 12.4 sec. | 11.9 sec. | 11.7 sec. | 11.3 sec. | 11.0 sec. | 10.9 sec. | 10.7 sec. |
| Significant height | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 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 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 9.9mph km/h (with gusts up to 18.6mph). 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 (47°F) | 7°C (45°F) | 7°C (44°F) | 8°C (46°F) | 9°C (48°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) |
| Perceived temperature | 5°C (42°F) | 5°C (41°F) | 4°C (39°F) | 5°C (41°F) | 7°C (44°F) | 4°C (40°F) | 5°C (41°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 71% | 67% | 64% | 59% | 51% | 50% | 59% | 63% |
| Barometric pressure | 1021 hPa | 1022 hPa | 1024 hPa | 1026 hPa | 1025 hPa | 1025 hPa | 1027 hPa | 1028 hPa |
| Cloud cover | 100% | 70% | 20% | 4% | 12% | 2% | 10% | 32% |
| Heat index | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) | 8°C (46°F) | 9°C (48°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) |
| Dew point | 3°C (38°F) | 2°C (35°F) | 1°C (33°F) | -0°C (32°F) | -1°C (31°F) | -3°C (27°F) | -0°C (32°F) | 1°C (34°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 13km/h (8mph) | 14km/h (9mph) | 15km/h (9mph) | 14km/h (9mph) | 14km/h (9mph) | 15km/h (9mph) | 9km/h (6mph) |
| Gusts | 21km/h (13mph) | 18km/h (11mph) | 21km/h (13mph) | 18km/h (11mph) | 19km/h (12mph) | 30km/h (19mph) | 26km/h (16mph) | 15km/h (9mph) |
| Direction | 4° N | 7° N | 12° NNE | 17° NNE | 37° NE | 65° ENE | 63° ENE | 61° ENE |
| Wind chill | 5°C (42°F) | 5°C (41°F) | 4°C (39°F) | 5°C (41°F) | 7°C (44°F) | 4°C (40°F) | 5°C (41°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.7ft) | 1.1m (3.6ft) | 1.1m (3.7ft) | 1.1m (3.5ft) | 1.1m (3.6ft) | 1.1m (3.5ft) |
| Direction | 75° ENE | 76° ENE | 75° ENE | 76° ENE | 74° ENE | 75° ENE | 76° ENE | 74° ENE |
| Period | 10.5 sec. | 4.1 sec. | 12.4 sec. | 12.0 sec. | 11.8 sec. | 11.7 sec. | 15.2 sec. | 5.7 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.9m (3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 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 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 54°F t and a low of 45°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 5.6mph km/h (with gusts up to 8.7mph). 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 | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) | 9°C (49°F) | 11°C (52°F) | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) |
| Perceived temperature | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 9°C (49°F) | 11°C (52°F) | 12°C (53°F) | 11°C (52°F) | 11°C (51°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 64% | 66% | 68% | 64% | 59% | 61% | 65% | 68% |
| Barometric pressure | 1028 hPa | 1028 hPa | 1028 hPa | 1030 hPa | 1028 hPa | 1028 hPa | 1029 hPa | 1028 hPa |
| Cloud cover | 28% | 20% | 83% | 69% | 27% | 23% | 72% | 96% |
| Heat index | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) | 9°C (49°F) | 11°C (52°F) | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) |
| Dew point | 1°C (34°F) | 1°C (34°F) | 2°C (35°F) | 3°C (37°F) | 4°C (39°F) | 5°C (41°F) | 5°C (42°F) | 6°C (43°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 3km/h (2mph) | 4km/h (3mph) | 4km/h (2mph) | 5km/h (3mph) | 7km/h (4mph) | 6km/h (4mph) | 9km/h (6mph) |
| Gusts | 8km/h (5mph) | 5km/h (3mph) | 7km/h (5mph) | 6km/h (3mph) | 7km/h (4mph) | 10km/h (6mph) | 11km/h (7mph) | 14km/h (9mph) |
| Direction | 54° NE | 345° NNW | 341° NNW | 288° WNW | 232° SW | 209° SSW | 244° WSW | 244° WSW |
| Wind chill | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 9°C (49°F) | 11°C (52°F) | 12°C (53°F) | 11°C (52°F) | 11°C (51°F) |
| Waves | ||||||||
| Height | 1.0m (3.2ft) | 1.0m (3.1ft) | 0.9m (3.1ft) | 0.9m (3.1ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) |
| Direction | 75° ENE | 77° ENE | 75° ENE | 77° ENE | 78° ENE | 77° ENE | 78° ENE | 78° ENE |
| Period | 14.5 sec. | 14.3 sec. | 13.8 sec. | 13.5 sec. | 13.3 sec. | 12.9 sec. | 12.6 sec. | 12.4 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.7m (2.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 0.8m (2.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) |
| 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 Saturday 20 December 2025
On Saturday 20 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 61°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 6.2mph km/h (with gusts up to 9.9mph). 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 | 12°C (53°F) | 10°C (51°F) | 10°C (49°F) | 11°C (52°F) | 14°C (56°F) | 16°C (60°F) | 14°C (58°F) | 14°C (57°F) |
| Perceived temperature | 11°C (51°F) | 9°C (49°F) | 8°C (47°F) | 11°C (51°F) | 13°C (55°F) | 16°C (60°F) | 14°C (58°F) | 13°C (56°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 67% | 70% | 73% | 67% | 58% | 58% | 66% | 72% |
| Barometric pressure | 1028 hPa | 1028 hPa | 1028 hPa | 1029 hPa | 1026 hPa | 1025 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 89% | 44% | 9% | 44% | 17% | 67% | 100% | 95% |
| Heat index | 12°C (53°F) | 10°C (51°F) | 10°C (49°F) | 11°C (52°F) | 14°C (56°F) | 16°C (60°F) | 14°C (58°F) | 14°C (57°F) |
| Dew point | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 7°C (45°F) | 8°C (47°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 9km/h (6mph) | 8km/h (5mph) | 7km/h (4mph) | 10km/h (6mph) | 8km/h (5mph) | 7km/h (4mph) | 9km/h (5mph) |
| Gusts | 15km/h (9mph) | 15km/h (9mph) | 15km/h (9mph) | 10km/h (6mph) | 14km/h (9mph) | 12km/h (7mph) | 13km/h (8mph) | 16km/h (10mph) |
| Direction | 247° WSW | 266° W | 283° WNW | 261° W | 221° SW | 221° SW | 230° SW | 255° WSW |
| Wind chill | 11°C (51°F) | 9°C (49°F) | 8°C (47°F) | 11°C (51°F) | 13°C (55°F) | 16°C (60°F) | 14°C (58°F) | 13°C (56°F) |
| Waves | ||||||||
| Height | 0.9m (2.9ft) | 0.8m (2.8ft) | 0.8m (2.7ft) | 0.8m (2.6ft) | 0.8m (2.5ft) | 0.8m (2.6ft) | 0.9m (3.0ft) | 1.0m (3.3ft) |
| Direction | 78° ENE | 78° ENE | 79° ENE | 79° ENE | 80° E | 80° E | 81° E | 81° E |
| Period | 12.0 sec. | 11.8 sec. | 11.6 sec. | 11.4 sec. | 11.2 sec. | 11.1 sec. | 5.0 sec. | 5.3 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 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) |