| 観測時刻 | 大川 | 堂面川 | 矢部川 | 諏訪川橋 |
| 大川市三丸 | 大牟田市昭和開 | みやま市高田町徳島 | 大牟田市 |
| [有明海沿岸道路(下り) 23.170KP] | [有明海沿岸道路(下り) 4.934KP] | [有明海沿岸道路(上下) KP] | [有明海沿岸道路(下り) 1.340KP] |
| 風向 | 風速[m/s] | 風向 | 風速[m/s] | 風向 | 風速[m/s] | 風向 | 風速[m/s] |
| 05/20 03:00 | 西南西 | 0.0 | --- | --- | --- | --- | 南東 | 1.3 |
| 05/20 04:00 | 南南西 | 0.0 | --- | --- | --- | --- | 南東 | 1.2 |
| 05/20 05:00 | 南南東 | 0.0 | --- | --- | --- | --- | 南 | 1.4 |
| 05/20 06:00 | 西 | 0.1 | --- | --- | --- | --- | 南東 | 0.9 |
| 05/20 07:00 | 西南西 | 0.1 | --- | --- | --- | --- | 南南東 | 1.6 |
| 05/20 08:00 | 南西 | 0.0 | --- | --- | --- | --- | 南南東 | 2.1 |
| 05/20 09:00 | 南西 | 0.0 | --- | --- | --- | --- | 南 | 1.6 |
| 05/20 10:00 | 西南西 | 0.2 | --- | --- | --- | --- | 南西 | 1.8 |
| 05/20 11:00 | 南南西 | 0.0 | --- | --- | --- | --- | 南南西 | 2.7 |
| 05/20 12:00 | 南西 | 0.2 | --- | --- | --- | --- | 南南西 | 2.6 |
| 05/20 13:00 | 南西 | 0.2 | --- | --- | --- | --- | 南西 | 2.1 |
| 05/20 14:00 | 南西 | 0.2 | --- | --- | --- | --- | 西南西 | 3.2 |
| 05/20 15:00 | 南西 | 0.3 | --- | --- | --- | --- | 西南西 | 3.7 |
| 05/20 16:00 | 南西 | 0.3 | --- | --- | --- | --- | 西 | 3.7 |
| 05/20 17:00 | 南西 | 0.2 | --- | --- | --- | --- | 西 | 2.6 |
| 05/20 18:00 | 南西 | 0.1 | --- | --- | --- | --- | 西南西 | 3.3 |
| 05/20 19:00 | 南西 | 0.2 | --- | --- | --- | --- | 南南西 | 1.1 |
| 05/20 20:00 | 南西 | 0.1 | --- | --- | --- | --- | 南西 | 0.9 |
| 05/20 21:00 | 南西 | 0.0 | --- | --- | --- | --- | 西南西 | 1.1 |
| 05/20 22:00 | 南西 | 0.0 | --- | --- | --- | --- | 南 | 0.6 |
| 05/20 23:00 | 南西 | 0.0 | --- | --- | --- | --- | 西北西 | 0.4 |
| 05/21 00:00 | 南西 | 0.0 | --- | --- | --- | --- | 西南西 | 1.1 |
| 05/21 01:00 | 南西 | 0.0 | --- | --- | --- | --- | 南南東 | 1.0 |
| 05/21 02:00 | 南東 | 0.1 | --- | --- | --- | --- | 南東 | 1.3 |
