Tokyo-Tokyo - Tokyo
| Date | 19th (Fri) Dec | 20th (Sat) Dec | |||||||
| Weather |  |
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| Wind | E =>> N | N | |||||||
| Wave | 0.5 m | 0.5 m | |||||||
| Temperature (Tokyo) |
MAX (different the day before) | --- (---) | 13 C (1) | ||||||
| MIN (different the day before) | --- (---) | 5 C (2) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 10 % | 10 % | 30 % | 30 % | 50 % | |
Update at 17:40 JST
Tokyo-Izu shoto Hokubu - Oshima
| Date | 19th (Fri) Dec | 20th (Sat) Dec | |||||||
| Weather | |
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| Wind | NE =>> S | S =>> Slightly | |||||||
| Wave | 1.5 mうねり を伴う | 1.5 m =>> 2 mうねり を伴う | |||||||
| Temperature (Oshima) |
MAX (different the day before) | --- (---) | 17 C (3) | ||||||
| MIN (different the day before) | --- (---) | 10 C (2) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 10 % | 10 % | 20 % | 40 % | 60 % | |
Update at 17:40 JST
Tokyo-Izu shoto Nambu - Hachijojima
| Date | 19th (Fri) Dec | 20th (Sat) Dec | |||||||
| Weather |  |
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| Wind | E =>> SE | SE Slightly =>> S Slightly | |||||||
| Wave | 2.5 mうねり を伴う Miyakejima 2 mうねり を伴う |
2 m =>> 2.5 mうねり を伴う Miyakejima 2 mうねり を伴う |
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| Temperature (Hachijojima) |
MAX (different the day before) | --- (---) | 20 C (2) | ||||||
| MIN (different the day before) | --- (---) | 14 C (2) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 10 % | 10 % | 10 % | 30 % | 40 % | |
Update at 17:40 JST
Tokyo-Ogasawara - Chichijima
| Date | 19th (Fri) Dec | 20th (Sat) Dec | |||||||
| Weather | |
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| Wind | E Strong | E Strong =>> Slightly | |||||||
| Wave | 3 m =>> 4 mうねり を伴う | 4 mうねり を伴う | |||||||
| Temperature (Chichijima) |
MAX (different the day before) | --- (---) | 24 C (0) | ||||||
| MIN (different the day before) | --- (---) | 20 C (2) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 30 % | 30 % | 10 % | 10 % | 10 % | |
Update at 17:40 JST
Tokyo
| Date | 19th | 20th | 20th | 20th | 20th | 20th | 20th | 20th |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather |  |
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| Temperature C | 8.0 | 7.0 | 7.0 | 6.0 | 9.0 | 12.0 | 12.0 | 11.0 |
| Wind Direction | N | N | N | N | N | N | N | N |
| Wind Speed | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s |
Update at 18:00 JST
Oshima
| Date | 19th | 20th | 20th | 20th | 20th | 20th | 20th | 20th |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 11.0 | 11.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 16.0 |
| Wind Direction | S | S | S | S | S | S | S | S |
| Wind Speed | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more |
Update at 18:00 JST
Hachijojima
| Date | 19th | 20th | 20th | 20th | 20th | 20th | 20th | 20th |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 15.0 | 15.0 | 15.0 | 15.0 | 18.0 | 20.0 | 18.0 | 18.0 |
| Wind Direction | SE | SE | SE | SE | SE | S | S | S |
| Wind Speed | 6 - 9 m/s | 6 - 9 m/s | 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
Chichijima
| Date | 19th | 20th | 20th | 20th | 20th | 20th | 20th | 20th |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 21.0 | 21.0 | 20.0 | 21.0 | 22.0 | 23.0 | 22.0 | 21.0 |
| Wind Direction | E | E | E | E | E | E | E | E |
| 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
Tokyo-Tokyo - Tokyo
| 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 (Tokyo) |
Max | 16 | 14 | 11 | 13 | 12 | 11 |
| Min | 11 | 6 | 3 | 4 | 7 | 5 | |
| Temperature climatic normal |
Max | 11.4 | 11.3 | 11.2 | 11.1 | 11.0 | 10.9 |
| Min | 3.0 | 2.9 | 2.8 | 2.7 | 2.6 | 2.5 | |
| POP | 80 % | 20 % | 20 % | 50 % | 50 % | 20 % | |
Update at 17:27 JST
Tokyo-Izu shoto Hokubu - Oshima
| 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 (Oshima) |
Max | 18 | 16 | 12 | 15 | 16 | 11 |
| Min | 12 | 8 | 5 | 7 | 7 | 6 | |
| Temperature climatic normal |
Max | 12.9 | 12.8 | 12.7 | 12.6 | 12.5 | 12.4 |
| Min | 5.9 | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | |
| POP | 80 % | 40 % | 30 % | 50 % | 60 % | 30 % | |
Update at 17:27 JST
Tokyo-Izu shoto Nambu - Hachijojima
| 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 (Hachijojima) |
Max | 20 | 16 | 16 | 19 | 19 | 16 |
| Min | 14 | 12 | 11 | 11 | 11 | 11 | |
| Temperature climatic normal |
Max | 14.8 | 14.8 | 14.7 | 14.6 | 14.5 | 14.4 |
| Min | 9.3 | 9.2 | 9.1 | 9.0 | 8.9 | 8.8 | |
| POP | 80 % | 50 % | 30 % | 50 % | 60 % | 40 % | |
Update at 17:27 JST
Tokyo-Ogasawara - Chichijima
| 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 (Chichijima) |
Max | 24 | 24 | 23 | 23 | 23 | 23 |
| Min | 20 | 18 | 19 | 19 | 19 | 18 | |
| Temperature climatic normal |
Max | 22.2 | 22.1 | 22.0 | 21.9 | 21.9 | 21.8 |
| Min | 17.6 | 17.5 | 17.4 | 17.3 | 17.2 | 17.1 | |
| POP | 50 % | 60 % | 40 % | 30 % | 40 % | 40 % | |
Update at 17:27 JST
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