Storm Helga has already hit the country, affecting public transport particularly in north and west Jutland.
Banedanmark has adjusted all train services in northern Jutland and DSB has cancelled trains between Frederikshavn and Aalborg from 6 am to 1 pm today.
Nordjyske Jernbaner has announced that trains on the Skagensbanen and Hirtshalsbanen lines will still run, but at a reduced speed.
Most trains are being replaced by buses, but there is no alternative connection between Struer and Thisted.
Air traffic not impacted
ColorLine and StenaLine have cancelled all their morning ferries from Hirtshals and Frederikshavn.
Light vehicles are recommended not to cross the Great Belt Fixed Link and the Little Belt Bridge, connecting Jutland to Zealand.
According to DR, Helga has not impacted on air traffic yet.
Hurricane-strength winds
Danish meteorologists have issued an official warning for high winds of up to 37 metres per second in the northern part of Jutland.
Strong winds reaching a speed of 30 metres per second are predicted to affect the entire west coast of Jutland until 1 pm today.
During the weekend, strong winds will continue to affect the whole country. The average wind speed in every region until Sunday will be 13 m/s.