A developing hurricane force storm low over the west-central North Atlantic continues to move eastward at 35 knots producing winds of 55-75 knots with significant wave heights up to 12 meters (40 feet) within 180 NM south and 120 NM west of the center. Over the next 24 hours max winds will be between 50-75 knots with significant wave heights to 15 meters (50 feet) within 240 NM in the western semi-circle.
This is a dangerous storm as it is tracking eastward at a fairly low latitude and is affecting shipping from North Europe and Mediterranean ports and US East Coast and Gulf ports.
NOAA OPC Significant Wave Forecast 0000UTC 20 Feb 2018
NOAA OPC Surface Forecast 0000UTC 20 Feb 2018