Migrants who arrived in Hampshire after crossing the Channel will be taken to Kent to undergo processing, the Home Office has confirmed.
A number of people were seen arriving at a marina in Gosport, having been transported aboard two RNLI boats late on Sunday evening.
Protesters again gathered in the town amid reports that authorities were preparing for the arrival of a boat.
The dinghy was being shadowed by French rescue vessels until it was met by the RNLI boats in English waters, according to ship tracking data.
The Home Office said 149 migrants were believed to be on board.
A Government spokesperson said: “The Border Security Command works around the clock to protect our border. We have established contingency plans to make sure we can securely disembark, check and process all small boat arrivals.
“Migrants will be transported to short term holding facilities in Kent where they will be processed as normal and undergo stringent health, security and biometric checks.”

On Sunday, Hampshire and Isle of Wight Constabulary said it had deployed officers to Gosport to “support our partners in the event of an emergency at sea”.
Ambulances and coaches were spotted in the area.
The force has imposed conditions under the Public Order Act as well as powers prohibiting the wearing of face coverings.
Demonstrators had assembled near Haslar Marina where the atmosphere was mostly peaceful, though there were reports of flares being set off and some scuffles with police.
There were similar scenes last month when protesters gathered in the area expecting migrants to arrive on a dinghy, but they were ultimately taken to Dover by sea.

Departures so far west have been rare in recent years, but it is the third such crossing in the space of a month.
Last month, British rescue boats collected the passengers of a migrant dinghy which had spent around 30 hours at sea after setting off from Normandy.
The 51 migrants, who refused help from the French coastguard, arrived in Dover after being transferred to Border Security Command boats.
It was expected the migrants would be taken to Gosport, with hundreds of protesters gathering after coaches and ambulances were spotted in the area.
Six people were arrested by officers during the evening.
The provisional total for Channel crossings this year is 19,451.
This is down 43% on this time last year and 23% below the figure at this stage in 2024.
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