Tokyo-Tokyo - Tokyo
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather |  |
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| Wind | S 23 wards western part S Strong |
NW =>> S 23 wards western part beginning SW Slightly |
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| Wave | 1.5 m =>> 2 m | 1.5 m =>> 0.5 m | |||||||
| Temperature (Tokyo) |
MAX (different the day before) | --- (---) | 28 C (7) | ||||||
| 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 |
| % | --- | --- | --- | 30 % | 10 % | 0 % | 0 % | 0 % | |
Update at 17:40 JST
Tokyo-Izu shoto Hokubu - Oshima
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather | |
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| Wind | SW Strong =>> W Very Strong | W Very Strong =>> Slightly | |||||||
| Wave | 4 m Niijima 4 m =>> 5 m |
4 m =>> 2.5 m Niijima 5 m =>> 2.5 m |
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| Temperature (Oshima) |
MAX (different the day before) | --- (---) | 24 C (4) | ||||||
| MIN (different the day before) | --- (---) | 15 C (-1) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 30 % | 0 % | 0 % | 0 % | 0 % | |
Update at 17:40 JST
Tokyo-Izu shoto Nambu - Hachijojima
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather |  |
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| Wind | SW Strong =>> W Very Strong | W Very Strong =>> Slightly | |||||||
| Wave | 4 m =>> 5 m | 5 m =>> 3 m | |||||||
| Temperature (Hachijojima) |
MAX (different the day before) | --- (---) | 24 C (3) | ||||||
| MIN (different the day before) | --- (---) | 16 C (-1) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 30 % | 0 % | 0 % | 0 % | 0 % | |
Update at 17:40 JST
Tokyo-Ogasawara - Chichijima
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather |  |
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| Wind | SW =>> Slightly | SW Slightly =>> N | |||||||
| Wave | 1.5 m | 2 m =>> 2.5 m | |||||||
| Temperature (Chichijima) |
MAX (different the day before) | --- (---) | 25 C (-2) | ||||||
| MIN (different the day before) | --- (---) | 22 C (-1) | |||||||
| Probability of Precipitation |
Time | 00-06h | 06-12h | 12-18h | 18-24h | 00-06h | 06-12h | 12-18h | 18-24h |
| % | --- | --- | --- | 20 % | 50 % | 50 % | 10 % | 10 % | |
Update at 17:40 JST
Tokyo
| Date | 1st | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 18.0 | 16.0 | 15.0 | 16.0 | 21.0 | 26.0 | 27.0 | 23.0 |
| Wind Direction | S | S | SW | NW | NW | NW | S | S |
| 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 | 3 - 5 m/s | 3 - 5 m/s |
Update at 18:00 JST
Oshima
| Date | 1st | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 16.0 | 15.0 | 15.0 | 16.0 | 20.0 | 22.0 | 23.0 | 20.0 |
| Wind Direction | SW | W | W | W | SW | SW | SW | SW |
| 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
Hachijojima
| Date | 1st | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 19.0 | 18.0 | 17.0 | 17.0 | 19.0 | 21.0 | 23.0 | 20.0 |
| 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
Chichijima
| Date | 1st | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 |
| Weather | |
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| Temperature C | 25.0 | 25.0 | 24.0 | 23.0 | 24.0 | 24.0 | 24.0 | 23.0 |
| Wind Direction | SW | SW | SW | SW | N | N | N | N |
| Wind Speed | 10 m/s more | 10 m/s more | 10 m/s more | 10 m/s more | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s | 3 - 5 m/s |
Update at 18:00 JST
Tokyo-Tokyo - Tokyo
| Date | 3rd (Sun) May | 4th (Mon) May | 5th (Tue) May | 6th (Wed) May | 7th (Thu) May | 8th (Fri) May | |
| Weather | |
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| Temperature (Tokyo) |
Max | 27 | 25 | 21 | 24 | 25 | 26 |
| Min | 15 | 17 | 15 | 14 | 14 | 15 | |
| Temperature climatic normal |
Max | 22.3 | 22.4 | 22.5 | 22.6 | 22.7 | 22.8 |
| Min | 12.9 | 13.0 | 13.1 | 13.3 | 13.4 | 13.5 | |
| POP | 20 % | 60 % | 40 % | 30 % | 30 % | 30 % | |
Update at 17:27 JST
Tokyo-Izu shoto Hokubu - Oshima
| Date | 3rd (Sun) May | 4th (Mon) May | 5th (Tue) May | 6th (Wed) May | 7th (Thu) May | 8th (Fri) May | |
| Weather | |
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| Temperature (Oshima) |
Max | 24 | 24 | 21 | 22 | 24 | 24 |
| Min | 18 | 18 | 16 | 15 | 16 | 16 | |
| Temperature climatic normal |
Max | 20.8 | 20.9 | 21.0 | 21.1 | 21.1 | 21.2 |
| Min | 15.0 | 15.1 | 15.3 | 15.4 | 15.5 | 15.6 | |
| POP | 30 % | 70 % | 50 % | 30 % | 30 % | 30 % | |
Update at 17:27 JST
Tokyo-Izu shoto Nambu - Hachijojima
| Date | 3rd (Sun) May | 4th (Mon) May | 5th (Tue) May | 6th (Wed) May | 7th (Thu) May | 8th (Fri) May | |
| Weather | |
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| Temperature (Hachijojima) |
Max | 24 | 24 | 21 | 22 | 24 | 24 |
| Min | 18 | 18 | 16 | 15 | 16 | 16 | |
| Temperature climatic normal |
Max | 20.8 | 20.9 | 21.0 | 21.1 | 21.1 | 21.2 |
| Min | 15.0 | 15.1 | 15.3 | 15.4 | 15.5 | 15.6 | |
| POP | 30 % | 70 % | 50 % | 30 % | 30 % | 30 % | |
Update at 17:27 JST
Tokyo-Ogasawara - Chichijima
| Date | 3rd (Sun) May | 4th (Mon) May | 5th (Tue) May | 6th (Wed) May | 7th (Thu) May | 8th (Fri) May | |
| Weather | |
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| Temperature (Chichijima) |
Max | 27 | 28 | 28 | 27 | 27 | 27 |
| Min | 20 | 23 | 23 | 23 | 23 | 23 | |
| Temperature climatic normal |
Max | 24.6 | 24.7 | 24.8 | 24.9 | 25.0 | 25.1 |
| Min | 20.3 | 20.4 | 20.5 | 20.6 | 20.7 | 20.8 | |
| POP | 20 % | 20 % | 40 % | 40 % | 40 % | 30 % | |
Update at 17:27 JST
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