We just crossed the Gulf, using Marv's (free) weather service for the second time. While weather forecasting is always a bit of a crap shoot....this guy seems to have it as right as any. We had a front come through the night before our planned departure so emailed him, was instantly given assurances that it was localized and we left the next day for an uneventful crossing. He even lists his cell phone number....all this for FREE. The format is well presented (graphs) and covers Mississippi to the Bahamas.
He sure helped us so thought I would pass it on, with the normal disclaimer, don't know the guy, no affiliation etc etc.
You do have to subscribe for his daily email report by asking on