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
Mediterranean campaign of 1798 off Egypt first. Unable to find Bonaparte, Nelson turned back across the Mediterranean, eventually reaching Sicily on 19 July. While Nelson was returning westwards, Bonaparte reached Alexandria and stormed the city, capturing the coast and marching his army inland. His fleet, entrusted to Vice-Admiral François-Paul Brueys D'Aigalliers, was anchored in a line of battle in Aboukir Bay. On 1 August, Nelson, who had returned to the Egyptian coast after reports gathered at Coron revealed the French invasion, arrived off Aboukir Bay. Although it was late afternoon and the British fleet had no accurate charts of the bay, Nelson ordered an