How did Washington get the message that ships were coming to attack the French?

Washington received intelligence about the impending attack on the French from various sources, including local scouts and Native American allies. These informants relayed information about the movement of British forces and ships in the region. Additionally, communication from other colonial leaders and military officials helped to piece together the situation, prompting Washington to prepare for potential conflict. His awareness of the strategic importance of the region further motivated his response to the threat.