The alert encourages American citizens in the city to remain alert of their surrounds, be aware of gatherings that could be occurring in their vicinity, and to "keep a low profile".
The blimp will fly over the British capital for two hours next Friday morning, during Trump's visit with Queen Elizabeth and Prime Minister Theresa May. The first Labour Live event has been organised by the Labour Party.
While no plans for Mr Trump to enjoy a round of golf have been confirmed, a protest will be held outside the president's Balmedie course in Aberdeenshire on Saturday, and it is expected there could be demonstrations around his Turnberry resort too.
Widespread protests are being planned across Britain to take place while the USA president is in the country.
In an alert on Tuesday, the U.S. Embassy in London warned citizens about "numerous demonstrations" planned between Thursday and Sunday that could "attract large crowds" less than friendly to U.S. citizens.
Trump lands in London on Thursday, following his trip to Brussels for a North Atlantic Treaty Organisation summit, but will largely avoid the city. Coincidentally, Trump has chose to stay in London for only one night over his four-day visit, primarily avoiding the vibrant city.
Newham mayor Rokhsana Fiaz (front, centre) has joined calls for protests against US President Donald Trump's United Kingdom visit and a far right march.
"There are many Trump supporters around here who will be happy to see it", landlord Damien Smyth, whose wife is from NY, told the Evening Standard newspaper.
Mt Trump refused to endorse Ms May as prime minister and heaped praise on his "friend" Boris Johnson a day after he quit as foreign secretary.
He said: "A lot of people in Dundee don't like what Donald Trump stands for".