Oshima - Hakodate
| Date | 3rd (Sun) May | 4th (Mon) May | |||||||
| Weather |  |
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| Wind | SW =>> E | E =>> SW Slightly The sea SW Strong |
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| Wave | 1.5 m =>> 1 m | 1 m =>> 3 m | |||||||
| Temperature (Hakodate) |
MAX (different the day before) | 18 C (0) | 15 C (-3) | ||||||
| MIN (different the day before) | --- (---) | 10 C (3) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | 50 % | 80 % | 80 % | 80 % | 50 % | 30 % | |
Update at 11:40 JST
Hiyama - Esashi
| Date | 3rd (Sun) May | 4th (Mon) May | |||||||
| Weather | |
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| Wind | SW | E =>> NW Slightly Hiyama Okushiri Island N Strong |
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| Wave | 1.5 m =>> 1 m | 1 m =>> 3 m | |||||||
| Temperature (Esashi) |
MAX (different the day before) | 16 C (2) | 15 C (-1) | ||||||
| MIN (different the day before) | --- (---) | 11 C (3) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | 50 % | 80 % | 80 % | 70 % | 60 % | 30 % | |
Update at 11:40 JST
Hakodate
| Date | 3rd | 3rd | 3rd | 4th | 4th | 4th | 4th | 4th |
| Time | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 |
| Weather |  |
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| Temperature C | 17.0 | 15.0 | 12.0 | 10.0 | 11.0 | 11.0 | 13.0 | 13.0 |
| Wind Direction | SW | SW | E | E | E | E | NE | SW |
| Wind Speed | 6 - 9 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 6 - 9 m/s | 10 m/s more |
Update at 12:00 JST
Esashi
| Date | 3rd | 3rd | 3rd | 4th | 4th | 4th | 4th | 4th |
| Time | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 |
| Weather | |
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| Temperature C | 15.0 | 13.0 | 12.0 | 11.0 | 11.0 | 12.0 | 14.0 | 14.0 |
| Wind Direction | SW | SW | SW | E | E | E | E | SW |
| Wind Speed | 6 - 9 m/s | 6 - 9 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 6 - 9 m/s | 10 m/s more |
Update at 12:00 JST
OshimaHiyama - Hakodate
| Date | 5th (Tue) May | 6th (Wed) May | 7th (Thu) May | 8th (Fri) May | 9th (Sat) May | 10th (Sun) May | |
| Weather |  |
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| Temperature (Hakodate) |
Max | 18 | 20 | 21 | 17 | 18 | 18 |
| Min | 6 | 10 | 11 | 9 | 8 | 7 | |
| Temperature climatic normal |
Max | 15.5 | 15.6 | 15.7 | 15.8 | 15.8 | 15.9 |
| Min | 6.2 | 6.4 | 6.5 | 6.6 | 6.7 | 6.9 | |
| POP | 20 % | 20 % | 30 % | 40 % | 30 % | 30 % | |
Update at 11:27 JST
Details is here