Northern Lake Huron: Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 20 May 2013 Tonight and Tuesday At 6:30 p.m. EDT tonight low 996 mb located over northeastern
South Dakota.
By 6:30 p.m. EDT Tuesday low 1000 mb located over Minnesota.

At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over James Bay.
By 6:30 p.m. EDT Tuesday ridge located on a line northwest-southeast
over Hudson Bay.