NOAA OPC 48 hour 500 mb forecast chart
A strong 500 mb jet is setting up west to east across the North Atlantic over the next couple of days near 40N latitude. This will favor strong storm development across the main North Atlantic shipping lanes.
NOAA 48 hour Surface Forecast
Expecting storm to hurricane-force winds and significant wave heights to 16 meters (52 feet) moving eastward from the central North Atlantic towards the Bay of Biscay which will present problems routing ships between North Europe and Mediterranean ports to US East Coast and Gulf ports.
Lean more about using the 500 mb chart at sea.
NOAA OPC 48 hour Significant Wave Height forecast
72 hour Surface Forecast 
NOAA OPC 72 hour Surface Forecast
72 hour Wave Height
NOAA OPC 72 Hour Significant Wave Height Forecast
