Its width is roughy {{Convert|100 kilometers|km||sp=us}} between Ras Asir ([[Gardafuul]]) and Abd al Kari,<ref>The Biology of Island Floras - Page 198, Juli Caujapé-Castells - 2011</ref> and roughly {{Convert|240 kilometers|km|sp=us}} between Ras Asir and Socotra.<ref>{{cite web|url=http://en.youth.cn/yculture/200911/t20091118_1085530.htm|work=en.youth.cn|publisher=China Youth International|title=Socotra islands scenery in Yemen|date=25 April 2008}}</ref> [[Gardafuul]], a province of the semi-autonomous region of Puntland, is named after it. In its narrower sense, Marinka Gardafuul, in English called the Guardafui Channel, refers to the strait between Puntland and [[Abd al Kuri]].<ref>Schott, Friedrich, et al. "Summer monsoon response of the northern Somali Current, 1995." Geophysical Research Letters 24.21 (1997): 2565-2568.</ref>