The fog is causing numerous travel problems today.
At the airport a number of flights have already been delayed or cancelled.
However passengers are still being advised to check in as normal and on time.
Last night the Ben-my-Chree was unable to dock at Heysham Port because of zero visibility meaning it was unable to unload and reload.
However this morning's sailing at 8.45am to Heysham is expected to depart and arrive as scheduled.
What would be the impact of raising the income tax threshold?
Nominations open for Manx cultural hero awards
Passport and immigration public counters to temporarily close
Overnight delay means today's sailings will set off late
Fireworks displays to kick off with event tonight
Second night of police roadside car checks finds less defects
Society appeals for help about traditional gypsy caravans on the Island
Government issues bird flu warning after infected buzzard found