In his Epitome of Military Science, the Roman writer Vegetius (fourth century C.E.) explained about navigation on that sea: “Some months are very suitable, some are doubtful, and the rest are impossible. ”
(‏ ملخص العلوم العسكرية ‏ [بالانكليزية] )‏ فعلى حد قوله ،‏ كان الابحار مناسبا جدا بين ٢٧ ايار (‏ مايو )‏ و ١٤ ايلول (‏ سبتمبر )‏ .‏