HMS Emerald (1795) dispatched a squadron of five ships, including "Emerald" and commanded by Nelson in the 74-gun , to locate a large invasion fleet that had left Toulon. After receiving intelligence on 22 May, Nelson correctly predicted the French fleet's destination and set course for Alexandria where the British captured or destroyed all but two of the French ships at the Battle of the Nile, which occurred between 1–3 August 1798. "Emerald" missed the battle; having previously become separated from the rest of the squadron in a storm on 21 May, she arrived at Aboukir Bay on 12 August. When Nelson left
Battle of the Nile rigging, in general, out of repair, and I am sure it requires no little courage to undertake the management of a fleet furnished with such tools." Although initially disappointed that the main French fleet was not at Alexandria, Nelson knew from the presence of the transports that they must be nearby. At 14:00 on 1 August, lookouts on HMS "Zealous" reported the French anchored in Aboukir Bay, its signal lieutenant just beating the lieutenant on HMS "Goliath" with the signal, but inaccurately describing 16 French ships of the line instead of 13. At the same time, French lookouts on "Heureux",