Brittany Ferries has cancelled all crossings between Portsmouth and Le Havre, while Condor Ferries has also cancelled all services to the Channel Islands from both Portsmouth and Saint-Malo due to “adverse weather”.

Source: https://www.telegraph.co.uk/news/2023/12/28/storm-gerrit-latest-weather-tornado-manchester-delays-live/

Fireworks by the Sea – Channel Islands Harbor: 9 p.m. July 4. Check the website for daytime activities at the harbor.

Source: https://www.dailynews.com/2023/06/29/things-to-do-in-the-san-fernando-valley-la-area-june-29-july-6-2/

Guernsey, the smaller of the two main Channel Islands, measures about six miles from end to end, so nothing is far away from anything else.

Source: https://www.scotsman.com/lifestyle/travel/why-guernsey-made-a-big-impression-on-renoir-4410916

Of course, the Channel Islands, the Isle of Man and Gibraltar, are not part of the United Kingdom.

Source: https://www.libdemvoice.org/our-party-needs-to-take-childcare-seriously-and-the-tax-to-pay-for-it-73311.html

Southeast and southwest England and the Channel Islands also fall under the warning.

Source: https://www.express.co.uk/news/uk/1850331/tornado-alert-issued-uk-houses-destroyed