For those of you looking for an alternative, I'd recommend Windy[0][1][2]. It's UI can be slightly quirky but the weather models, features and visualisations are superb. If you're specifically after marine and wind forecasts, PredictWind[3] is about as good as it gets.

[0] Browser: https://www.windy.com/

[1] Android: https://play.google.com/store/apps/details?id=com.windyty.an...

[2] iOS: https://apps.apple.com/us/app/windy-com/id1161387262

[3] https://www.predictwind.com/ https://www.predictwind.com/apps/