The Post Office says Next Day items are not being delivered today.
It says that parcels were due to be flown to the Island yesterday but the flight was cancelled because of ice and snow on the runway at Liverpool.
Packages will be shipped on this mornings ferry sailing instead.
Items should reach the Royal Mail network for delivery tomorrow.
Emergency services workshops for primary students
Around 2,000 people on specialty waiting list
Spar loyalty scheme launched on Island today
Port under pressure because of lack of space
British boxing legend to visit Island
Assisted dying bill hurdle isn't constitutional issue, says Cannan
Fire crews called out over smoking EV charger
Minister lays out approach to frailty care