To do that trip in minimum time you wont be doing a lot of sailing. Working out the fuelling stops is the challenge, especially on the leg from Gib to Sicily. Launching in the SoF is what Jeanneau (used to) do with boats destined for the Eastern Med.
For preference, I'd go to Kinsale if the wind is good. Cork is mostly the Royal Cork at Crosshaven or a lon g river trip to Cork City. Last there in summer 23
I ditched SolentMet and now have a link to Ian Millard's Windycator....
Windycator v2 - Live weather reports from coastal stations and offshore buoys
which should open with the Solent centered
Lets check the basic with OCPN. Have you added the cm93 charts to the set OCPN can use ? You should see an options screen that looks something like this with your chart locations listed. Also, the file needs to unzipped so that you get a top level of folders with 8 digit numbers, each of which...