he Algarve’s extensive coast is the perfect place to go fishing. The weather is very pleasant with more than 300 days of sunshine a year at this Portuguese region, temperatures during Winter average 11/12ºC, meaning that it never gets too cold, and the sea in the south of Portugal is warm due to influences of the Atlantic and Mediterranean Oceans, the Gulf Stream and the continental shelf, and quite safe, allowing you to embark on a ship and be at ease in high sea while fishing, or, if you prefer, to fish straight from the beach, harbours or cliffs.
ALGARVE FUN, full article: https://algarvefun.com/algarve-tips/when-where-to-go-fishing-in-the-algarve/