Home Office data indicates that a reduction in favorable weather conditions in the English Channel has contributed to a decrease in small boat migrant arrivals this year. Officials designated 110 days between January and the end of August as 'red days,' when weather conditions are deemed conducive to crossings. This represents an 11 percent decrease compared to the same period in the previous year, which recorded 123 'red days.'

The data suggests this decrease in favorable weather days is partly responsible for a 44 percent drop in small boat arrivals year-on-year. Despite these figures, Home Secretary Shabana Mahmood has asserted that weather conditions have had no bearing on the number of arrivals, attributing the decline exclusively to the government's policies. Mahmood stated that the significant decrease in small boat crossings, reaching the lowest summer numbers since 2020, is a direct result of efforts to 'restore order and control at our border.' She also noted a decrease in the average number of migrants arriving on a 'red day,' falling to 144 from 232 in the prior year.

This interpretation has drawn criticism from the opposition. Shadow Home Secretary Chris Philp accused Mahmood of 'twisting the facts,' pointing out that the reduction in 'red days' inherently means weather conditions have been more challenging for crossings. He highlighted that the Home Office's own data shows fewer days with favorable crossing conditions, contradicting the Home Secretary's claim. Philp further criticized the government's handling of the situation, citing the arrival of nearly 20,000 individuals so far this year and the funding allocated to French officers.

The Home Office data, released on Thursday, also showed that the average number of migrants arriving on 'red days' this year has fallen by 43 percent from its 2022 peak, from 251 to 144. A 'red day' is defined by officials when factors such as wind speed and direction, combined with intelligence on migrant numbers awaiting crossings, suggest that crossings from France are 'likely' or 'highly likely.'

The current Labour government previously scrapped the Conservative administration's Rwanda asylum deal, which was intended to deter crossings. Instead, Labour has focused on investing in operations targeting people traffickers and has established a three-year, £660 million agreement with the French government to increase the number of anti-migrant beach patrol officers to over 1,000.