| Date / Heure | Houle | Période | Pression |
| 02/12 23:00 | 1.0 m | 06 s | 1015 Hpa |
| 02/12 22:00 | 0.9 m | 05 s | 1015 Hpa |
| 02/12 21:00 | 0.9 m | 06 s | 1015 Hpa |
| 02/12 20:00 | 0.8 m | 05 s | 1015 Hpa |
| 02/12 17:00 | 0.8 m | 05 s | 1014 Hpa |
| 02/12 16:00 | 0.8 m | 06 s | 1013 Hpa |
| 02/12 15:00 | 0.9 m | 05 s | 1012 Hpa |
| 02/12 14:00 | 1.0 m | 05 s | 1012 Hpa |
| 02/12 11:00 | 1.2 m | 07 s | 1011 Hpa |
| 02/12 10:00 | 1.2 m | 06 s | 1011 Hpa |
| 02/12 09:00 | 1.2 m | 06 s | 1010 Hpa |
| 02/12 08:00 | 1.0 m | 06 s | 1010 Hpa |
| 02/12 05:00 | 1.0 m | 06 s | 1010 Hpa |
| 02/12 04:00 | 1.1 m | 06 s | 1009 Hpa |
| 02/12 03:00 | 1.3 m | 05 s | 1008 Hpa |
| 02/12 02:00 | 1.3 m | 06 s | 1008 Hpa |
| 01/12 23:00 | 1.6 m | 07 s | 1005 Hpa |
| 01/12 22:00 | 2.0 m | 07 s | 1004 Hpa |
| 01/12 21:00 | 2.2 m | 07 s | 1002 Hpa |
| 01/12 20:00 | 1.9 m | 07 s | 1002 Hpa |
| 01/12 17:00 | 1.7 m | 07 s | 1000 Hpa |
| 01/12 16:00 | 1.7 m | 07 s | 1000 Hpa |
| 01/12 15:00 | 1.9 m | 07 s | 1000 Hpa |
| 01/12 14:00 | 1.9 m | 07 s | 1000 Hpa |
| 01/12 11:00 | 2.2 m | 08 s | 999 Hpa |
| 01/12 10:00 | 2.0 m | 07 s | 999 Hpa |
| 01/12 09:00 | 2.4 m | 07 s | 998 Hpa |
| 01/12 08:00 | 2.8 m | 07 s | 998 Hpa |
| 01/12 05:00 | 2.6 m | 07 s | 998 Hpa |
| 01/12 04:00 | 2.7 m | 08 s | 998 Hpa |
| 01/12 03:00 | 3.0 m | 08 s | 999 Hpa |
| 01/12 02:00 | 2.6 m | 08 s | 1001 Hpa |
| 30/11 23:00 | 2.7 m | 08 s | 1006 Hpa |
| 30/11 22:00 | 2.4 m | 07 s | 1007 Hpa |
| 30/11 21:00 | 2.2 m | 07 s | 1008 Hpa |
| 30/11 20:00 | 2.4 m | 07 s | 1009 Hpa |
| 30/11 17:00 | 1.9 m | 07 s | 1012 Hpa |
| 30/11 16:00 | 1.9 m | 07 s | 1013 Hpa |
| 30/11 15:00 | 1.6 m | 07 s | 1013 Hpa |
| 30/11 14:00 | 1.7 m | 07 s | 1014 Hpa |
| 30/11 11:00 | 1.6 m | 06 s | 1015 Hpa |
| 30/11 10:00 | 1.6 m | 06 s | 1015 Hpa |
| 30/11 09:00 | 1.4 m | 06 s | 1015 Hpa |
| 30/11 08:00 | 1.3 m | 06 s | 1015 Hpa |
| 30/11 05:00 | 1.0 m | 06 s | 1015 Hpa |
| 30/11 04:00 | 0.9 m | 06 s | 1016 Hpa |
| 30/11 03:00 | 0.8 m | 06 s | 1016 Hpa |
| 30/11 02:00 | 0.8 m | 06 s | 1016 Hpa |
| 29/11 23:00 | 0.7 m | 05 s | 1017 Hpa |
| 29/11 22:00 | 0.5 m | 06 s | 1017 Hpa |
| 29/11 21:00 | 0.5 m | 07 s | 1017 Hpa |
| 29/11 20:00 | 0.5 m | 08 s | 1017 Hpa |
| 29/11 17:00 | 0.3 m | 07 s | 1017 Hpa |
| 29/11 15:00 | 0.3 m | 07 s | 1016 Hpa |
| 29/11 14:00 | 0.4 m | 05 s | 1016 Hpa |
| 29/11 13:00 | 0.4 m | 05 s | 1016 Hpa |
| 29/11 11:00 | 0.5 m | 05 s | 1016 Hpa |
| 29/11 10:00 | 0.5 m | 05 s | 1015 Hpa |
| 29/11 09:00 | 0.6 m | 05 s | 1015 Hpa |
| 29/11 08:00 | 0.6 m | 05 s | 1013 Hpa |
GPS: 50.4, 0
Relevés de la bouée Manche Greenwich (62305)
XXL | Le 01/12/2021
40 minutes retraçant le parcours de Pierre Rollet, hors des sentiers battus.