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Last updated: 20:00, 5 Oct 2026
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Cleethorpes sits where the Humber estuary opens into the North Sea, next to Grimsby, with a long sandy beach, a Victorian pier and a promenade that runs the length of the front. Showers arrive off the water with little to slow them, and the wide, flat coast gives a clear view of a band approaching. A Cleethorpes rain radar shows the real picture, because hyperlocal radar follows the shower's shape rather than reporting a single number for the area.
The Pennines strip much of the moisture from Atlantic fronts before they reach Humberside, leaving the Vale of York and the Humber among the drier parts of the country. Rain there tends to arrive as a weakened frontal band from the west, as showers off the North Sea, or occasionally on a north-easterly with little warning, and on the very flat ground it runs off slowly, pooling wherever it falls. The open water where the Humber meets the North Sea gives Cleethorpes little shelter from an approaching shower, and the flat coast either side of the pier lets a band arrive fast, often with only minutes of warning from the horizon.
Over Cleethorpes, England, RainViewer's radar map runs on live Met Office data, with each scan landing on the map within minutes. The live map shows whether a shower is still out over the water or already at the Pier, which a forecast for Cleethorpes cannot tell you.
Having crossed the Pennines, frontal bands reach the Humber with only modest totals, but rain repeating on already-saturated ground still swells the Ouse, Don and Hull, while tidal surges push the estuary higher. Low-lying streets, riverside paths and flood defences take the brunt of it. Autumn and winter storms push waves and spray over the promenade at Cleethorpes, and North Sea showers arrive on the wind with little warning.
Cold spring showers cross the coast quickly, and beach plans and pier walks are the ones most often cut short. North Sea showers and the last fronts of winter take turns through these months, sometimes bringing sleet. The showers are narrow enough to make forecasts least reliable now, and spring plans on the coast and along river paths are the most exposed to a change.
Summer brings holidaymakers to the beach and the promenade, and the day depends on the gaps between short showers off the water. Heat builds over the flat land and thunderstorms form quickly, delivering heavy rain over a small area. The summer of 2007 showed how intense summer rain can flood streets across the region, and the radar shows the storm track.
Cleethorpes' long beach and its Victorian pier have almost no shelter once a shower starts. Check the radar before setting out and decide whether to stay on the sand.
The promenade running the length of the front is fully exposed to showers coming off the water. Watch the cell approach and decide whether to carry on or turn back.
Anglers on the sea wall and the estuary shore feel a shower before it reaches the town behind them. See whether the cell will pass before casting a line.
The A180 between Cleethorpes and Grimsby slows in heavy rain. Check the radar and decide whether to leave now or wait for the gap.
RainViewer shows UK precipitation using data from the Met Office, the national weather service, which runs a network of C-band dual-polarization weather radars. The Met Office network also feeds the European OPERA composite, and the RainViewer map refreshes with each new scan, about every 5 minutes. From Cleethorpes the map also covers Grimsby, Immingham and Louth.
Rain off the water sends beach visitors from the sand into the amusements and cafes along the front within minutes, and the beach empties fast when a shower crosses the coast. Traders on the promenade see the same pattern every time. RainViewer shows the shower crossing the water before it reaches the sand.
Yes, heavy rain slows the A180 between Cleethorpes and Grimsby, and spray builds fast when a shower comes in off the water. Look at the radar before you join the road. RainViewer shows whether the rain is still ahead or has already swept through.
Cleethorpes has a coastal flood risk as well as a rain risk, and heavy rain arriving with a high tide and a strong onshore wind can push water over the promenade and the low streets behind it. The sea defences protect much of the town. The radar shows whether heavy rain is approaching from the water.
May to August is the best window to visit Cleethorpes, with the beach, the Pier and the promenade at their best. Spring can still bring cold showers off the water. Check the radar in the morning and plan the beach time around the dry gap.
Showers coming straight off the water hit the open beach by the Pier first, while the promenade further along, with buildings behind it, can stay drier for a few minutes longer. A forecast covers both places with one number, while the radar map shows the rain crossing the beach by the Pier and missing the promenade further along the front.
The Cleethorpes weather radar map runs on Met Office radar data, the same network used by meteorologists, refreshed roughly every 5 minutes. Met Office radar with dual-polarization data separates convective downpours from frontal rain across the flat Humber lowlands, which matters locally because it is the summer downpours, not the frontal rain, that flood the area. That live feed is what gives the map its street-level, hyperlocal detail.
Set a rain alert on the Pier or the beach and RainViewer warns you before rain arrives. That lets you time a beach day or a walk along the promenade. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Grimsby and the promenade together.
A day on the beach and a walk along the promenade both depend on a dry gap, and RainViewer shows the next one.
Showers off the North Sea and bands from the west both reach Cleethorpes, so a single forecast hides which one is coming.
Your weather app says showers in Cleethorpes this afternoon. RainViewer's live hyperlocal radar shows the cell still out over the water with the Pier still dry, and that decides whether the beach day continues.
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Two hours of 5-minute steps let you time the walk along the promenade to the minute.
Put an alert on the Pier. RainViewer warns you minutes ahead, which settles whether to stay on the sand or head for the amusements.
Rain reaches Cleethorpes most often from the west, across the Pennines, or in off the North Sea, so the arrows tell you at a glance whether a cell is heading your way.
The 48-hour history shows what fell on the water off Cleethorpes, which is the fastest way to judge ground conditions.
Save the Pier, the beach and Grimsby and check all three in one look.