• NOAA Hourly Graph (new favorite wind forecast) Mystic, Block Island, Newport, Greenport, Larchmont, Key West, Essex, CT, Charleston, SC, Chicago, IL
• NOAA Forecast Mystic, Block Island, Newport , Greenport, Larchmont
• WeatherUnderground Noank, Block Island, Greenport, Larchmont, Nassau, Hamilton, Key West 
• NOAA experimental graphic CT, Key West,
• MySound Ledge Light , Eastern Sound
• Sailflow Connecticut, Newport, Charleson, SC 
• Windfinder New England,  Charleston, SC , Chicago-Midway
• NOAA Area Forecasts: Upton NY , Taunton, MA , Charleston, SC
• PassageWeather
• Block Island marine forecast , Eastern LIS marine
• Unisys upper air and forecast models
• Northwest Atlantic Briefing package
• NOAA Ocean Prediction Center
• StormPulse
• My favorite GRIB viewer is grib.us, free download and free gribs

Tides and currents:

• Stevens Maritime Center: Urban Ocean Observatory - very useful for Long Island Sound!
• Connecticut
• LIS currents especially this image
• Narragansett current model
• Armchair sailor's current charts have better resolution than Eldridge but can't include here due to copyright

Charts:

• NOAA online chart viewer:
•    Long Island Sound East
•    Long Island Sound West

Bouys:

• Block Island
• Central Long Island