Israeli Officials Fear a Naval Blockade – and a Depleted Navy May Not Withstand It
A naval blockade of Israel was not considered a tangible threat until before the war in Gaza. Amid the rising tensions with Turkey, which has one of the strongest fleets in the region, the IDF now believes such a scenario may come about
Israeli defense officials believe the Navy's security doctrine requires adjustments amid growing tensions with Turkey and three years of unprecedentedly complex operational challenges during the war that have exacerbated a severe personnel shortage, Haaretz has learned.
According to Israel Navy sources, although Israel has imposed a tight maritime blockade off the Gaza Strip and Hamas' naval capabilities have been almost eliminated, ongoing activity in the area, along with military operations in the northern and Red Sea theaters, is causing growing concern.
However, alongside these regional developments, the sources said the Navy's main challenge is an unprecedented manpower shortage.
Naval officers and crew members are undertaking deployments lasting months at a time, involving strenuous physical work and prolonged separation from their families, with personnel receiving only brief periods of respite once a month.
The operational strain is also taking a heavy toll on the Navy's command ranks. Navy officials acknowledge that only about 40 percent of the officers the service seeks to retain choose to stay on and transition to career service. The rest choose to leave, citing both burnout and attractive job opportunities. Beyond naval officers, the Navy is also struggling to retain engineers, specialists and other skilled professionals.
The Navy's operational forces rely heavily on women serving in key roles, following the large-scale recruitment of female combat soldiers and naval officers, who now make up a significant share of personnel aboard its vessels.
However, despite motivation for combat service among women remaining high, the proportion of female officers choosing to leave rather than continue in long-term Navy career service is now similar to that of their male counterparts. These figures are presenting the Navy's senior command with complex challenges in retaining high-quality personnel.
Although the Navy's order of battle has grown since the outbreak of the war, it remains a relatively small branch and lacks the capacity to cover all missions in Israel's near and distant maritime zones. To help bridge the gap, the Navy is seeking to significantly expand its fleet of unmanned vessels.
At the same time, the IDF is emphasizing the critical importance of the regional ties forged through the Abraham Accords. Military officials describe these relationships as a vital strategic asset that must be carefully cultivated, while cautioning against incidents that could put them at risk.
Turkey, the Persian Gulf and the Red Sea
Until three years ago, the prospect of a naval blockade of Israel was not considered an imminent threat. Its traditional adversaries, including Hamas and Hezbollah, lacked naval capabilities that could challenge the Navy's superiority. However, the IDF now recognizes the need to prepare for the possibility that other regional actors could seek to disrupt Israel's maritime access.
At present, there is no intelligence indicating an intention or plan to impose a naval blockade on Haifa, Israel's main port. However, after three years of war, escalating rhetoric among regional leaders and the erosion of Israel's international standing, defense officials believe such scenarios can no longer be ruled out.
Turkey is drawing most of the attention in this regard. The IDF is cautious about designating it an enemy state or viewing it as a direct military threat, instead officially referring to the situation as a "security shift."
Defense officials fear that if diplomatic tensions continue to escalate and the rhetoric from President Recep Tayyip Erdogan's government toward Israel becomes increasingly hostile, Turkey could eventually be regarded as a concrete security threat.
At the same time, defense officials openly acknowledge that if a powerful naval force such as the Turkish Navy were to attempt to impose a maritime blockade on Israel, the IDF Navy would likely be unable to fully counter it.
For now, defense officials do not detect any military moves or offensive intentions by Turkey against Israeli vessels. However, the IDF is looking several years ahead and preparing for possible scenarios.
The most extreme scenario concerning senior defense officials is a Turkish provocation involving the deployment of warships to one of Syria's ports. In such a situation, the response would have to be diplomatic rather than military, as the Turkish Navy has a clear advantage over the Israeli Navy in terms of force size and capabilities.
Turkey's navy is considered one of the strongest and most sophisticated naval forces in the Mediterranean and the Balkans. Over the past decade, it has undergone extensive modernization, relying largely on an independent domestic defense industry, and now operates hundreds of vessels. This poses a significant challenge for the Israeli Navy, which was not designed to counter a fleet of this size.
Iran's actions in the Persian Gulf have also underscored the complexity of the maritime arena. Senior defense officials were surprised by how easily Tehran managed to disrupt maritime traffic through the Strait of Hormuz.
For years, intelligence assessments had held that Iran would take such a step only as a last resort in response to an existential threat. In practice, however, Iran demonstrated that it can impose an effective blockade using shore-based weapons systems, without deploying a large naval force.
The Red Sea presents another challenge. The short distance between Jordan's Aqaba and the southern Israeli city of Eilat leaves virtually no reaction time in an emergency.
To prepare for such a threat, the Navy has deployed specialized vessels in the area while accelerating the development of ship-based air-defense systems. However, the IDF acknowledges that it will take more time for these interception capabilities to reach their full potential.