Israel's established naval blockade of Gaza, combined with rapid interceptions of prior Global Sumud Flotilla vessels in international waters during late April 2026, underpins trader consensus that no ship will enter Israeli territorial waters or reach the enclave by the May 31 deadline. Multiple boats were disabled or diverted to Crete after the April departures from Spain, while a third sailing from southern Turkey on May 14 leaves minimal time for transit amid ongoing Israeli enforcement patterns. UN statements and diplomatic pressure have not altered the operational reality of the blockade. Late developments such as successful evasion by remaining vessels or sudden policy shifts could theoretically shift outcomes, though historical precedent and current military posture make such scenarios improbable within the narrow window.