This year will be my first Trans Atlantic crossing from the Canary
Islands to the Caribbean. The boat is 38ft.
I have no wet weather gear at all. The boat skipper has a spare jacket
for me, but I am not sure whether I need to buy a full set of foul
weather gear (trousers, boots, wooly hat etc) for this trip alone - I
may not do any other sailing this year.

Any thoughts? Would I be insane to go across the Atlantic in November,
bearing in mind it's in the tropics the whole way, without a full set
of gear? What is essential and what might be recommended but optional?

Any other tips very welcomed.

Many thanks in advance.
Dan