Extreme heat searing Folkestone will combine with dangerous surf on Saturday, prompting the Met Office to urge beachgoers to stay out of the water. Temperatures hit 33°C on Friday under a rare Red Extreme Heat Warning and will remain at 29°C on Saturday, but it is the sudden shift in sea conditions that has forecasters most concerned.
Wave heights at Folkestone Beach are forecast to build rapidly from a calm 0.4 metres on Friday to a peak of 1.1 metres through Saturday afternoon and evening, with strong rip currents likely. The Met Office’s beach forecast explicitly warns that conditions are unsafe for novice surfers and that other water activities are not recommended. Wind gusts up to 30mph and a 40 per cent chance of morning rain add to the unsettled picture, even as the Amber Extreme Heat Warning remains in place until 9pm.
Friday’s contrasting guidance told swimmers to “enjoy the sea safely” and suggested novice water users go with an instructor or a more experienced person. By Saturday, the message had hardened to “use caution in the sea. Waves can be bigger or stronger than you expect.” The RNLI advises anyone caught in a rip current to swim parallel to the shore until free, and to always choose a lifeguarded beach, swimming between the red and yellow flags. In an emergency, call 999 and ask for the coastguard.
Tide times on Saturday show a low tide at 5:33am, a high tide at 10:54am reaching 6.3 metres, another low at 6pm, and a final high at 11:15pm. The heat will barely relent overnight, with minimum temperatures staying in the high teens and some spots not dropping below the low 20s. Folkestone Rescue identifies Sunny Sands beach as the safest swimming spot when RNLI lifeguards are on duty.
The Red Extreme Heat Warning, the highest level, covered Friday across Kent, with the Met Office noting shade temperatures could climb past 36°C elsewhere in the southeast. The back-to-back amber warnings for Friday and Saturday were triggered by the prolonged heat and high humidity.
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