The use of 'Hi Buddy's in the alerts seems a little inappropriate in general usage. Perhaps just 'Alert'
Would be more polite.

Re: Missing features to be perfect: grib

I would love to see weather routing implemented. Even if internet is required it could useful when close to land to generate a suggested routing which the user could modify along the way if conditions change.

I think people might pay a good premium if something useful could be implemented.