Weather models are not effective at predicting fog, in particular when fog is due to local conditions like near-shore fog.
Inshore fogs, such as advection fog and, but less importantly, the evaporation fog, are not easily predictable.
So it is advisable to rely on local meteorological services.
In Windy you can consult the observations (METAR) and forecasts (TAF) of Airports near the coast but it doesn’t give information about fog at sea.