The 6ft 7in centre back will join up with the Trawlerboys tomorrow and goes straight into the squad for the Vanarama Conference North match away to Hednesford Town.
Sowunmi signed a one year professional contract with Ipswich Town in May 2014 and has had a recent stint on loan at Conference Premier side Braintree Town.
Lowestoft Town would like to thank Ipswich Town Football Club for their cooperation in making the loan move possible and everyone at Lowestoft would like to welcome Omar Sowunmi to the club.
Terry Bullen