Egypt blockaded Israel's southern coast into the Gulf of Aqaba, and "As Frostad notes, a navy blockade may only cover a portion of a state’s coastline." You are wrong. https://opiniojuris.org/2023/11/10/security-challenges-in-the-black-sea-military-exercise-or-a-navy-blockade-analysis-of-the-russian-navy-activities-in-bulgarias-exclusive-economic-zone-in-the-black-sea/