You have a bad area for forecasts when you leave the Canaries. Right on the bottom of the N Atlantic map and on the limit for the USA tropical forecast
area so even with SSB
it can be hard to see what is going on. That time of the year you can get hit both ways, tropical systems from Africa
and extra tropicals hitting UK/Biscay and sending cross seas down to you.
That said you would want to do the leg from France to the S coast of Portugal
ASAP, its already past the ideal time for that. I mean S COAST the west coast
all the way down can have bad autumn storms and all the ports
have bars so close in strong westerlies.
All that said it mostly depends on the boat
and crew, is it a ocean going boat
or a 3 story 'gin palace', scratch crew or experienced delivery