The court's verdicts, broadcast live on TV, were greeted with suspicion and anger in Port Said.
BBC: Egypt court backs Port Said football riot death sentences
Calls for a civil strike in line with Port Said have spread around Egypt.
The port said it expected similar-sized vessels to use the river in the future.
Those clashes, combined with furor over Port Said death sentences, led to scores of deaths.
Egypt's security forces regained control Sunday of Port Said, a vital northeastern port city.
It urged residents of Port Said "to stay away from groupings near government buildings", according to AFP.
The port said it was diversifying into renewable energy sources to limit the risk from market fluctuations.
The military was deployed in Port Said in January, when violence erupted over the football riot verdicts.
On Wednesday, the security chief in Port Said was dismissed following renewed clashes between demonstrators and police.
Port Said residents allege Morsi gave the green light for excessive use of force by the police.
On Sunday, he announced a 30-day nighttime curfew for the provinces of Port Said, Suez and Ismailia.
Many people believe police in Port Said stood by in revenge for the fans' role in anti-Mubarak unrest.
BBC: Egypt court backs Port Said football riot death sentences
The riot in Port Said follows other violence, which was tied more to unrest over Egypt's current leadership.
In Port Said, the other city with a stake in the court case, small fires burned in the harbor.
In fact, in Port Said, where soldiers are now even directing the traffic, some semblance of order is returning.
While the government security forces were treated with contempt, the soldiers were greeted with celebratory fireworks in Port Said.
Added to that is the current situation, and then came the Port Said incident and football activities were suspended.
How President Morsi wins back the people of Port Said could be critical.
"The army have certainly had success in Port Said, " acknowledges Maj Gen Ibrahim.
Port Said, which has had a difficult relationship with Cairo over the past six decades, erupted in chaos.
By Sunday afternoon, the death toll in Port Said had climbed to 38 over the weekend, health officials said.
Touring industrial developments in Port Said on September 6th, the presidential motorcade was assaulted by a knife-wielding street vendor.
Some accused supporters of the toppled leader of instigating the Port Said violence.
The ivory, weighing about two tonnes, had been labelled as decorating stones, the head of operations at Mombasa port said.
Ironically, Kabilye's two key players who had missed the first-leg in Port Said were the saviour of the Algerian side.
"It is completely untrue that armed forces units in Port Said exchanged fire with police forces during the clashes, " Col.
Large crowds also rallied in Port Said - one year after football riots in the city, which killed 74 people.
BBC: Egypt protesters clash with police at presidential palace
Last year, an Egyptian parliamentary inquiry into the deaths at Port Said found that fans and lax security were responsible.
The sense of injustice, at the trial verdicts and at the perceived heavy-handedness of the police in Port Said, remains acute.
Army troops have been guarding key installations in Port Said since the city first rose up in near revolt in January.
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