Atlantic Graphical Marine on NHC's site doesn't pick up til 55 & the high seas forecast doesn't appear to make it a tropical storm, slightly higher pressure in the 4-days forecasts
now that you got me looking around NHC's site, I see there's an experimental marine weather portal also, but I couldn't get it to load https://preview.weather.gov/mwp will have to keep an eye out for it the season to see if it will be up