NOAA OPC 72 hour 500mb Forecast Chart
Upper-level blocking over the northeastern North Atlantic into northwestern Europe and a large cut-off low over the central North Atlantic, south of 40N latitude, will persist for the next few days. This pattern will allow for relatively light easterly winds and seas to persist across the North Atlantic north of 45N while strong to gale conditions persist south of 45N all the way down to 25N over the west-central North Atlantic.
NOAA OPC 72 hour Surface Forecast
This pattern should allow shorter great circle routes between North Europe and the US East Coast, however, at this time the North Atlantic icebergs are drifting southward off of Newfoundland to near 45 N latitude limiting the shorter route options to keep clear of the icebergs.
North Atlantic Iceberg chart via North American Ice Service
