Israel's counter terror agency has suggested its nationals leave the area and has advised against them travelling there over the summer.
More than 900,000 Brits visit the area every year in spite of the 2015 ISIS attack which downed a Russian airliner.
Its statement read: “There is a serious and current threat of terror attacks being carried out against tourists, notably Israelis, in the immediate future.”
The agency chief, Eitan Ben-David, added: “We don’t want to cry wolf, we really believe that the threat is serious,” The Telegraph reported.
The Foreign Office says: “There is a high threat from terrorism in Egypt. Terrorists continue to plan and conduct attacks. Further attacks are likely.
“Most terrorist attacks target the security forces, their facilities and other government buildings. You should take great care near these places.
"It's also likely that foreigners, including tourists, will be targeted. Attacks could be indiscriminate and occur without prior warning."
Sharm el-Sheikh was the location of the October 2015 Metrojet bombing which killed all 224 people on board.
Tourist travel to the Egyptian resort was suspended in December 2015 and since then the Foreign and Commonwealth Office (FCO) advice has warned against “all but essential travel by air to or from Sharm el Sheikh”.