Chiba-Hokuseibu - Chiba
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather |  |
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| Wind | S Slightly =>> SW Strong The sea =>> SW Very Strong |
W Slightly =>> E The sea beginning W Very Strong |
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| Wave | 4 m =>> 5 m | 5 m =>> 2 m | |||||||
| Temperature (Chiba) |
MAX (different the day before) | 21 C (2) | 26 C (5) | ||||||
| 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 |
| % | --- | --- | 60 % | 20 % | 0 % | 0 % | 0 % | 0 % | |
Update at 11:40 JST
Chiba-Hokutobu - Choshi
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather | |
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| Wind | S =>> SW Strong | W beginning Slightly | |||||||
| Wave | 1 m =>> 2 m | 1 m =>> 0.5 m | |||||||
| Temperature (Choshi) |
MAX (different the day before) | 21 C (3) | 26 C (5) | ||||||
| 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 |
| % | --- | --- | 60 % | 20 % | 0 % | 0 % | 0 % | 0 % | |
Update at 11:40 JST
Chiba-Nambu - Tateyama
| Date | 1st (Fri) May | 2nd (Sat) May | |||||||
| Weather | |
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| Wind | S Slightly =>> SW Strong Isumi-Awa =>> SW Very Strong |
W Slightly =>> E Slightly Isumi-Awa beginning W Very Strong |
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| Wave | 4 m =>> 5 m | 5 m =>> 2 m | |||||||
| Temperature (Tateyama) |
MAX (different the day before) | 22 C (4) | 25 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 |
| % | --- | --- | 60 % | 20 % | 0 % | 0 % | 0 % | 0 % | |
Update at 11:40 JST
Chiba
| Date | 1st | 1st | 1st | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 |
| Weather |  |
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| Temperature C | 21.0 | 19.0 | 18.0 | 16.0 | 15.0 | 16.0 | 20.0 | 25.0 |
| Wind Direction | S | SW | SW | SW | 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 12:00 JST
Choshi
| Date | 1st | 1st | 1st | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 |
| Weather | |
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| Temperature C | 21.0 | 20.0 | 19.0 | 17.0 | 17.0 | 18.0 | 21.0 | 24.0 |
| Wind Direction | SW | SW | SW | SW | 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 | 6 - 9 m/s | 6 - 9 m/s | 6 - 9 m/s |
Update at 12:00 JST
Tateyama
| Date | 1st | 1st | 1st | 2nd | 2nd | 2nd | 2nd | 2nd |
| Time | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 |
| Weather | |
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| Temperature C | 21.0 | 19.0 | 18.0 | 16.0 | 16.0 | 17.0 | 22.0 | 24.0 |
| Wind Direction | SW | SW | SW | SW | 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 12:00 JST
Chiba - Choshi
| 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 (Choshi) |
Max | 25 | 23 | 19 | 22 | 22 | 23 |
| Min | 16 | 15 | 15 | 15 | 14 | 15 | |
| Temperature climatic normal |
Max | 19.3 | 19.4 | 19.5 | 19.6 | 19.6 | 19.7 |
| Min | 13.4 | 13.5 | 13.6 | 13.7 | 13.8 | 13.9 | |
| POP | 20 % | 70 % | 40 % | 30 % | 30 % | 30 % | |
Update at 11:27 JST
Details is here