'sea blockade' is a correct and usable term in written English.
You can use it when referring to a situation in which a piece of land, usually an island or small country, is surrounded by ships that prevent it from sending or receiving goods or people. For example, "The island nation has been under a sea blockade by the neighbouring country for over a decade."
Britain's sea blockade would have ensured Germany quickly ran out of natural fertilisers for its crops.
The report takes a broadly sympathetic view of Israel's sea blockade of Gaza.
Mr. Netanyahu has rightly refused to abandon the sea blockade of Gaza.
Kuwait's allies immediately cut off all aid to Jordan, imposed an air and sea blockade, and condemned King Ḥussein's actions.
This fleet had arrived from the West Indies and was maintaining a sea blockade of Cornwallis's army.
Egypt and Israel have enforced the land and sea blockade of Gaza since Hamas took full control there in 2007.
The Israelis are continuing their air-and-sea blockade of Beirut; the sounds of their aircraft still haunt the skies above the capital's southern suburbs, the urban core of Hizbullah's Shia constituency.
The army claimed it had won control of a strategic area near the port city of Trincomalee, an important industrial and naval centre.Troops trickle inIsrael said it would lift its air-and-sea blockade of Lebanon, as UN peacekeeping forces began to move into the south of the country; nearly 10,000 troops have been pledged, but the UN wants 15,000.
It is also encouraging Muslim ones, such as Turkey, Indonesia and Bangladesh, to step forward, even though Israel has objected to countries (such as Indonesia) that refuse to recognise it.Until a strengthened peacekeeping force takes up positions along the Syrian border and at Beirut's airport, Israel will keep up its air-and-sea blockade.
Almost one month into the siege of Lebanon, with a land, sea and air blockade by Israel choking off the country, fuel reserves have all but dried up.
But the EU said the sea and air blockade was unjustified and it deplored the "disproportionate" use of force and the loss of civilian life.
