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Flood alerts have been issued for parts of Cornwall as an 18-hour weather warning arrives. The Environment Agency (EA) has said flooding is possible in four areas from today (Tuesday, November 4).
The alerts, which warn of possible flooding, are in place across the south Cornwall coast from Penzance to Looe. Where the alerts have been issued, the EA has warned locals to avoid coastal roads, footpaths, and carparks as they may flood.
People have been warned that flooding is most likely to occur during high tides this afternoon (November 4) and tomorrow (November 5). While the Met Office's yellow warning for rain remains in place until 6am tomorrow morning, the EA has stated that flooding is possible during high tides until Friday, November 7.
Forecasters at the Devon-based Met Office has said torrential, widespread rain is likely to bring large, powerful waves along the coast. At Porthleven, waves are expected to reach 2.5 metres high, and there is a "very high likelihood of injury in or near the sea".
Follow our live blog here for the latest weather updates.
Flood alert for South Cornwall coast from Gribbin Head to Rame Head:
Areas at risk include low lying areas including Fowey, Lostwithiel, Polperro Harbour, Looe and the B3247 at Seaton. The EA said: "High tide at Plymouth on Tuesday is at 4.35pm and Wednesday at 5:01am. Forecast total high tide levels are 2.81mAOD and 2.83mAOD respectively.
"Expect tide levels to be 0.3-0.4m above tide table level. Force 6 southerly winds and offshore wave heights of around 3m are forecast. High tides of most concern are Tuesday and Wednesday afternoon."
Flood alert for South Cornwall coast from Lizard Point to Gribbin Head excluding the Tidal Fal Estuary:
The EA said the areas particularly at risk include Swanpool, St Mawes, East Portholland, Mevagissey, and Par. It added: "High tide at Falmouth on Tuesday is 4:00pm and on Wednesday is 4:22am. Forecast total high tide level is 2.65mAOD and 2.67mAOD respectively.
"Expect tide levels to be between 0.3-0.4m above tide table level. Force 6 southerly winds and offshore wave heights of around 3m are forecast. High tides of most concern are Tuesday afternoon and Wednesday afternoon."
Flood alert for Tidal Fal Estuary:
A number of areas are at high risk to flooding. The EA said: "Areas particularly at risk include low lying areas in Falmouth, Penryn, Flushing, Mylor Bridge, the A39 at Perranarworthal, Devoran, Calenick, Truro and A390 at Tresillian."
It added: "High tide at Falmouth on Tuesday is 4:00pm and Wednesday 4:22am. Forecast total high tide level is 2.65mAOD and 2.67mAOD respectively.
"Expect tide levels to be between 0.3-0.4m above tide table level. Strong force 6 southerly winds and offshore wave heights of around 3m are forecast. High tides of most concern are Tuesday and Wednesday afternoon."
Flood alert for South Cornwall Coast from Lands End to Lizard Point:
The areas most at risk are Newlyn, Penzance and Longrock. The EA said: "High tide at Newlyn on Tuesday is at 3.25pm and on Wednesday morning at 3.48am. Forecast total high tide level is 3.04mAOD and 2.97mAOD respectively.
"Expect tide levels along the coast to be between 0.3-0.4 metres above tide table level. Strong force 6 southerly winds and offshore wave heights of around 4m are forecast."
Residents within the flood alerts areas have been advised to have important documents and medications prepared ahead of time. Walking, cycling and driving through floodwater should be avoided too.