It's possible winters there aren't as chilly as I'd expected. This is my level of expertise on the beautiful geography of our world. If ever to become a traveling agent, this could present a problem of Mr. Beanean proportions.

https://www.green-sail.com/blog/winter-sailing-in-the-mediterranean#:~:text=Although%20it%20doesn%27t%20get,more%20pleasant%20for%20the%20sailors.