Oshima - Hakodate
| Date | 20th (Fri) Mar | 21st (Sat) Mar | |||||||
| Weather |  |
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| Wind | SE Slightly =>> W Slightly 渡島western part =>> NW Very Strong | W Slightly The sea beginning W Very Strong |
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| Wave | 3 m | 4 m =>> 3 m | |||||||
| Temperature (Hakodate) |
MAX (different the day before) | --- (---) | 6 C (-2) | ||||||
| MIN (different the day before) | --- (---) | -1 C (0) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 80 % | 50 % | 10 % | 10 % | 0 % | |
Update at 17:40 JST
Hiyama - Esashi
| Date | 20th (Fri) Mar | 21st (Sat) Mar | |||||||
| Weather |  |
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| Wind | S Slightly =>> NW Very Strong | NW Very Strong =>> W Slightly | |||||||
| Wave | 3 m | 4 m =>> 3 m | |||||||
| Temperature (Esashi) |
MAX (different the day before) | --- (---) | 5 C (-3) | ||||||
| MIN (different the day before) | --- (---) | 1 C (-1) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 80 % | 50 % | 10 % | 10 % | 0 % | |
Update at 17:40 JST
Hakodate
| Date | 20th | 21st | 21st | 21st | 21st | 21st | 21st | 21st |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather |  |
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| Temperature C | 5.0 | 3.0 | 2.0 | 0.0 | 3.0 | 5.0 | 6.0 | 4.0 |
| Wind Direction | W | W | W | W | W | W | W | W |
| Wind Speed | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more |
Update at 18:00 JST
Esashi
| Date | 20th | 21st | 21st | 21st | 21st | 21st | 21st | 21st |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 3.0 | 3.0 | 3.0 | 2.0 | 3.0 | 4.0 | 5.0 | 5.0 |
| Wind Direction | NW | NW | NW | NW | NW | NW | W | W |
| Wind Speed | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more |
Update at 18:00 JST
OshimaHiyama - Hakodate
| Date | 22nd (Sun) Mar | 23rd (Mon) Mar | 24th (Tue) Mar | 25th (Wed) Mar | 26th (Thu) Mar | 27th (Fri) Mar | |
| Weather |  |
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| Temperature (Hakodate) |
Max | 11 | 13 | 11 | 10 | 11 | 11 |
| Min | 2 | 1 | -1 | -3 | -1 | -1 | |
| Temperature climatic normal |
Max | 7.1 | 7.3 | 7.4 | 7.6 | 7.8 | 8.0 |
| Min | -1.2 | -1.1 | -1.0 | -0.9 | -0.7 | -0.6 | |
| POP | 20 % | 40 % | 30 % | 20 % | 20 % | 30 % | |
Update at 17:27 JST
Details is here