After also being refused by Malta, the rescue vessel, which is carrying 629 migrants, is heading to Spain escorted by two Italian ships.
Interior Minister Matteo Salvini chided French President Emmanuel Macron by name during a speech before Parliament's upper chamber, while Italian news reports said a meeting between Macron and Italian Premier Giuseppe Conte planned for Friday now was in doubt.
The ship was eventually rerouted to Spain, after Spanish authorities said it would be allowed to dock in Valencia.
The French centrist has insisted that Paris had been working hand in glove with Rome on immigration for more than a year, but Italy is furious with Mr Macron's silence.
French President Emmanuel Macron attends the "prise d'armes" military ceremony at the Invalides in Paris, France, June 11, 2018.
Forest Closed and Thousands Evacuated as Colorado Wildfires Grow
Another wildfire is being fought in Colorado, this time near the town of Silverthorne along the busy Interstate 70 corridor. Highway 550, which has served as a buffer for homes on the eastern edge of the fire, was closed on Monday, officials said.
"I am happy about the good cooperation that we want to develop between Rome, Vienna and Berlin - I think it marks very sensible cooperation that will contribute to reducing illegal migration to Europe", said Kurz, whose country assumes the EU's rotating presidency on July 1.
European Union member states are deeply divided over how to deal with asylum seekers.
Macron and Conte "confirmed the commitment of France and Italy to organising rescues within the rules on the humanitarian protection of people in danger", the statement said in reference to migrants making the risky Mediterranean crossing from Libya.
In Geneva, the head of the United Nations refugee agency (UNHCR), Filippo Grandi, also Italian, said Wednesday Italy was "right" to say it could not accept all the migrants crossing the Mediterranean.
SOS Mediterranee, the aid group that operates the Aquarius, said Thursday the Italian coast guard boat leading the convoy made a decision to skirt Sardinia's east coast after high waves caused exhausted migrants aboard to be seasick.
Federal Reserve raises interest rates
Officials now expect four rate rises this year , not three as the balance of policymakers has shifted since March. The dollar pared some losses but was still trading lower against a basket of currencies.
The French government was more conciliatory Wednesday, when the Foreign Ministry said France recognized the burden Italy has carried.
Salvini's League scored its best election result in March elections after pledging to deport an additional estimated 500,000 unregistered migrants. However, the source added that Macron was not "taking back anything".
Conte said he and Macron "agreed on the need to cooperate closely" on migration issues.
On Wednesday morning, an Italian coast guard vessel with 937 migrants and two bodies aboard docked in Catania, Sicily, while the Aquarius headed into increasingly rough seas on its way to Valencia, where it is due to arrive on Saturday.
Francis didn't refer to the dispute in his message, but echoed Italy's longstanding complaint that it has largely been left alone to cope with the hundreds of thousands of migrants who have landed on its shores in recent years.
Americans are thanking Canada to show their support for Trudeau
There is no obvious precedent for such a coordinated and acerbic series of attacks by White House advisers on a stalwart USA ally. Canadian Prime Minister Justin Trudeau speaks at the final press conference of the G7 summit .