Since 4.30pm Cornwall Fire and Rescue service have attended several flooding incidents at locations throughout the county.
Five firefighters from Newquay attended a stretch of road at the Trevemper roundabout which was estimated to be 30 cm deep and 50 metres long - crews unblocked drains and let the water drain away naturally.
Crews were also requested to attend a premise at St Minver, Wadebridge which had water two foot deep outside the premise - an officer was mobilised to assess the situation.
Five firefighters from Truro attended a call from a premise which had 18 inches of water surrounding it in the Carnon valley, a light portable pump and a main pump was used to remove the water.
12 flood alerts still in place from the Environment Agency.
Heavy showers tonight in places with possible hail and thunder. Remaining windy with coastal gales and 30 foot waves expected tonight and tomorrow. Min Temp 7 °C.
Lightning reported in Penzance.
Truro-Falmouth Docks train line was blocked due to flooding but is now running again.
Fallen tree blocking Chapel Hill after turning to Mawla before entering Porthtowan.
A390 between Middle Taphouse and Lostwithiel badly flooded.
Reports of heavy downpours in St Kew in North Cornwall. The ford heavily flooded.
COASTAL areas across Cornwall are most at risk today as they cope with a combination of unusually high tides and another Atlantic storm but there are also warnings for inland areas.
Very heavy downpours of rain, 10-15mm on low ground and possibly 30mm on the moors are hitting Cornwall now, with lightning being reported in Penzance. Winds getting up to 50mph.
A replacement bus service for First Great Western trains was running between Truro and Falmouth Docks due to flooding at Perranwell but a normal service is now resuming.
The rain will clear through the evening, only to be followed by heavy showers and locally thundery downpours.
After midnight, the showers will tend to become less frequent with clear spells, but it will remain windy.
The Met Office has issued a severe weather warning for wind tomorrow with 60 to 70mph gales expected to combine with huge waves rolling in off the Atlantic.
The meteorological agency predicts waves could reach more than 30ft on the Cornish coast - over topping sea defences yet again.
Flooded communities in Cornwall battened down the hatches again last night in preparation for more bad weather.
The whole of Cornwall's coast was covered by a flood alert for this morning's high tide.
The peak of the high spring tides has passed, but the Environment Agency warns there could still be big waves and overtopping.
There are a string of other flood alerts out for rivers across Cornwall - set to be topped up by today's storm, which may cause localised flooding.
This additional rainfall, following the recent wet weather, means that the public should be aware of an increased risk of both surface water and river flooding as well as disruption to transport.
Although there are no severe flood warnings currently issued for Cornwall – the following 12 warnings are in place:
THE FOLLOWING AREAS COULD BE AFFECTED BY FLOODING:
East to West:
LOWER RIVER TAMAR: Flooding possible for Gunnislake, Calstock, Cargreen, Bere Alston, Morwellham and Cotehele
UPPER RIVER TAMAR: Bude, Helebridge, Bridgerule, Canworthy Water and Yeolmbridge.
MIDDLE RIVER TAMAR: Polson Bridge, Horsebridge, Gunnislake, Lifton and Sydenham.
RIVER LYNHER: Rame Peninsula, Callington, Saltash, Rilla Mill, Pillaton and Landrake
RIVERS LOOE AND SEATON: Looe, Seaton, Liskeard, Polperro, Jopes Mill and Hessenford
RIVER FOWEY: Fowey, Lostwithiel, The Glynn Valley, Trago Mills and St Neot.
ST AUSTELL AND PAR RIVERS: St Austell, Par, Pentewan, St Blazey, Luxulyan and Lanivet
NORTH CORNWALL COAST: Lands End to Hartland Point including St Ives Bay, Perranporth, Padstow and Bude
NORTH CORNWALL RIVERS: Newquay, Padstow, Wadebridge and Sladesbridge, Bodmin and Camelford
SOUTH CORNWALL COAST: Land's End to Plymouth including Mounts Bay, Porthleven, Fowey, Looe and Plymouth
HELFORD AND FAL RIVERS: The Lizard, Penryn, Falmouth, Truro, Ladock, Tresillian and Grampound
WEST CORNWALL RIVERS: Lands End, Helston, Crowlas, St Ives, Hayle, Camborne and Perranporth
Those concerned about the flooding can contact the Environment Agency's 24-hour floodline on 0845 988 1188.
Meanwhile, on Saturday night there were snow showers in places like Camborne, Helston and Rame.
A fleet of gritters were out amid a weather warning for icy roads lasting till midmorning in the east.
The peak of the high spring tides has passed, so conditions last night were not as severe as Friday night.
Water came spilling into the street once more in places like Polzeath and Perranporth, but flood defences were in place.
Conditions have also eased in places like Looe, where water is no longer spilling over into the main street.
The dramatic power and speed of the water can be witnessed in this video which shows what happened when a storm surge suddenly hit the main road through Polzeath on Friday night:
With high tides and treacherous coastal conditions expected last night, police warned revellers to avoid going near the coast in Newquay after a man was arrested in the early hours of yesterday morning attempting to wade in the sea.
Part of Beach Road in Newquay also collapsed after being battered by massive waves.
The Met Office said the recent spate of storms is the worst in about 20 years and had been caused by a powerful jet stream pushing a series of Atlantic depressions towards the British Isles.