Ishikari - Sapporo
| Date | 20th (Sat) Dec | 21st (Sun) Dec | |||||||
| Weather |  |
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| Wind | S beginning Slightly The sea beginning SW Strong |
NW Slightly | |||||||
| Wave | 2.5 m =>> 1.5 m | 1.5 m =>> 2 m | |||||||
| Temperature (Sapporo) |
MAX (different the day before) | 11 C (9) | 4 C (-7) | ||||||
| MIN (different the day before) | --- (---) | 3 C (-3) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | 50 % | 30 % | 50 % | 80 % | 80 % | 30 % | 30 % | |
Update at 05:40 JST
Sorachi - Iwamisawa
| Date | 20th (Sat) Dec | 21st (Sun) Dec | |||||||
| Weather | |
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| Wind | S Slightly The sea beginning SW Strong |
NW =>> W The sea NW Slightly |
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| Wave | 3 m =>> 2 m | 2 m | |||||||
| Temperature (Iwamisawa) |
MAX (different the day before) | 10 C (9) | 2 C (-8) | ||||||
| MIN (different the day before) | --- (---) | 1 C (-4) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | 50 % | 20 % | 50 % | 90 % | 80 % | 30 % | 30 % | |
Update at 05:40 JST
Shiribeshi - Kutchan
| Date | 20th (Sat) Dec | 21st (Sun) Dec | |||||||
| Weather | |
 |
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| Wind | S beginning Slightly | S Slightly =>> W | |||||||
| Wave | --- | --- | |||||||
| Temperature (Kutchan) |
MAX (different the day before) | 10 C (9) | 4 C (-6) | ||||||
| MIN (different the day before) | --- (---) | 3 C (-2) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | 50 % | 30 % | 50 % | 90 % | 90 % | 50 % | 30 % | |
Update at 05:40 JST
Sapporo
| Date | 20th | 20th | 20th | 20th | 20th | 21st | 21st | 21st |
| Time | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 |
| Weather |  |
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| Temperature C | 8.0 | 10.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 5.0 |
| Wind Direction | S | S | S | S | S | S | NW | NW |
| Wind Speed | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s |
Update at 06:00 JST
Iwamisawa
| Date | 20th | 20th | 20th | 20th | 20th | 21st | 21st | 21st |
| Time | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 |
| Weather | |
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| Temperature C | 6.0 | 8.0 | 10.0 | 9.0 | 8.0 | 10.0 | 10.0 | 3.0 |
| Wind Direction | S | S | S | S | S | SW | SW | NW |
| Wind Speed | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 10 m/s more | 10 m/s more | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s |
Update at 06:00 JST
Kutchan
| Date | 20th | 20th | 20th | 20th | 20th | 21st | 21st | 21st |
| Time | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 |
| Weather | |
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| Temperature C | 9.0 | 9.0 | 9.0 | 10.0 | 10.0 | 10.0 | 11.0 | 5.0 |
| Wind Direction | S | S | S | S | S | S | S | W |
| Wind Speed | 10 m/s more | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 10 m/s more | 10 m/s more |
Update at 06:00 JST
IshikariSorachiShiribeshi - Sapporo
| Date | 21st (Sun) Dec | 22nd (Mon) Dec | 23rd (Tue) Dec | 24th (Wed) Dec | 25th (Thu) Dec | 26th (Fri) Dec | |
| Weather |  |
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| Temperature (Sapporo) |
Max | 9 | 2 | 2 | 7 | 5 | -1 |
| Min | 1 | -4 | -6 | 1 | -4 | -4 | |
| Temperature climatic normal |
Max | 1.3 | 1.2 | 1.1 | 1.1 | 1.0 | 0.9 |
| Min | -4.7 | -4.8 | -4.8 | -4.9 | -5.0 | -5.0 | |
| POP | 90 % | 50 % | 30 % | 60 % | 60 % | 50 % | |
Update at 17:27 JST
Details is here