Kammala jumla mai zuwa: A watan Janairun 1755, an ba Howe umarnin na hudu na HMS "Dunkirk" kuma an tura shi zuwa Arewacin Amurka a matsayin wani ɓangare na rundunar da Admiral Edward Boscawen ya umurta: kama shi na Faransa "Alcide" shi ne harbi na farko da aka harbe a cikin Yakin Shekaru Bakwai. An zabe shi dan majalisa na Dartmouth a watan Mayu 1757 kuma ya zama kwamandan kwamandan na uku na HMS "Magnanime" a Channel a watan Yuli 1757. Daga wannan lokacin har zuwa zaman lafiya na 1763, ya yi aiki a cikin Channel a cikin tafiye-tafiye daban-daban da ba su da amfani a kan tekun Faransa, yana samun suna a matsayin jami'in da ke da karfi da kwarewa don rawar da ya taka a jerin jiragen ruwa a kan tekun Faransa ciki har da Raid a Rochefort a watan Satumba na 1757. Ya ci gaba da zama commodore, tare da babban pennant a cikin na uku na HMS "Essex", ya shiga cikin Raid a St Malo a watan Yunin 1758, yakin Saint Cast a watan Satumba na 1758 da kuma
An kai hari kan Cherbourg a watan Agusta 1758. An san shi musamman saboda halinsa a Rochefort, inda ya dauki Île-d'Aix, kuma George Rodney ya bayyana shi a matsayin yin aikinsa "tare da irin wannan sanyi da kwanciyar hankali, kamar yadda ya sami mafi yawan yabo ga rundunar soji da sojan ruwa".