A severe weather warning has been issued by the Met Office for Monday, October 16th, with "very strong winds" forecast.
The winds are predicted to bring waves of 9 to 11 metres off Cornwall as the remnants of Hurricane Ophelia sweep the UK.
The Scillonian's sailing has been cancelled on Monday, with disruptions possible on Skybus.
Five Islands School has been advised that it is possible the road will be closed by Old Town beach and Nowhere car park on Monday afternoon.
The school said: "We will confirm this as soon as we receive confirmation from the relevant authorities. The possible closure is due to the weather warning. If the road is closed, this will affect parents collecting children from school.
"We would advise you to walk if possible, as the Carn Gwaval car park can become highly congested at that time. We understand that some of you may be a little late and will look after your children until you arrive."
A Met Office spokesman told Cornwall Live: "In terms of ex-Hurricane Ophelia, we’re looking at winds increasing late Sunday night and into Monday morning and into the day itself.
"The main concern will be the strength of the winds. Rainfall stays a lot further north. It should be dry but strong west-south westerly winds.
"We’re looking at wind gusts through Monday with the strongest in the west towards the Scilly Isles and Land's End. There'll be gusts of 60-70mph through Monday morning and into the afternoon before they start to ease."
The Met Office's Yellow weather warning predicts that "some delays to road, rail, air and ferry transport are possible", adding: "There is a slight chance that power cuts may occur, with the potential to affect other services, such as mobile phone coverage.
"There is a slight chance of some damage to buildings, such as tiles from roofs. It is possible that some coastal routes, sea fronts and coastal communities will be affected by spray and/or large waves. There is also a small chance that injuries could occur from beach material being thrown onto sea fronts."
Hurricane Ophelia is reaching winds of up to 100mph in the Atlantic Ocean as it approaches the UK. However, cold sea temperatures mean that it will no longer be labelled a hurricane by the time it makes landfall.