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Last updated: 20:00, 5 Oct 2026
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Saundersfoot sits on the Pembrokeshire coast around a small working harbour, with a sandy beach curving toward Coppet Hall and the coast path climbing the headlands on either side. Rain here arrives off the open Irish Sea, and the harbour is often the first place in the village to feel it. A Saundersfoot rain radar answers that in seconds, with hyperlocal radar drawing the shower's edge instead of a broad probability.
Welsh weather comes from the Atlantic, and the Brecon Beacons, the Cambrian Mountains and Snowdonia force the air upward. Rain totals rise sharply with height, so the South Wales valleys can be much wetter than the coastal plain at Cardiff. The open Irish Sea gives approaching showers a clear run at Saundersfoot's harbour and beach, and the low headlands to either side offer only a little shelter before a band moves fully overhead.
The rain map for Saundersfoot, Wales, draws on the same Met Office radar network meteorologists use, refreshed about every 5 minutes. The live map shows whether a shower is still out over the sea or already crossing the harbour, which a forecast for Saundersfoot cannot tell you.
From September to January, Atlantic depressions and named storms keep persistent rain falling over the hills, and once the ground is saturated the valley rivers rise quickly. The first places to feel it are valley roads, mountain passes and streets that lie low. Winter storms push rain and heavy swell into the harbour, and boats and the harbourside path are the first to feel a band arrive.
Spring showers cross the sea quickly, and beach and coast path plans are the ones most often cut short. Between February and April, fronts alternate with hail, sleet and wet snow settling on the tops. The showers involved are narrow enough to defeat most forecasts, so hill walks and weekend rugby fixtures carry the greatest exposure to a sudden change underfoot.
Summer showers are brief, but the beach, the harbour cafés and the coast path depend on the gaps between them through the holiday season. Rain is less frequent, but heavy showers and thunderstorms can form over the hills on warm afternoons. Festivals, coastal trips and mountain walks depend on short dry windows.
Day trippers on Saundersfoot's beach and around the harbour can see a shower crossing the sea well before it lands, and moving to a harbourside café buys time until it clears.
The coast path climbing the headland toward Tenby has little shelter along its length. Watching the cell on the radar shows whether to start the walk or wait for the gap.
Sailors and boat trip passengers using Saundersfoot harbour depend on a dry, calm spell, and a shower off the sea can arrive with little warning. Checking the radar first shows the size of the gap.
The road into Saundersfoot from Kilgetty and Narberth is exposed on its final approach to the coast. Checking the radar before setting off shows whether the cell has already crossed the village.
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 Saundersfoot the map also covers Tenby, Narberth and Kilgetty.
Saundersfoot's beach and harbour empty quickly when a shower crosses the open sea, and visitors move to the cafés and shops around the harbour within minutes of the first drops. Boat trips and sailing plans follow the same pattern. RainViewer shows the shower crossing the sea before it reaches the harbour.
Yes, the coast path climbing the headlands toward Tenby is fully exposed to showers coming straight off the Irish Sea, and conditions underfoot change quickly once rain starts. Checking the radar before leaving shows whether the cell is ahead. RainViewer's live picture refreshes roughly every five minutes.
Saundersfoot's flood risk comes mainly from the sea and high tides rather than from rain alone, and the harbour wall protects the village in most conditions. Heavy rain can still pool on low ground near the beach car park after a prolonged spell. The radar shows whether a heavier band is still out over the sea.
May to August is the best window to visit Saundersfoot, when the beach, the harbour and the coast path are at their best and showers off the sea are shorter. Spring can still bring cold, quick showers with little warning. Check the radar in the morning and plan the beach time around the gap.
Showers crossing the open Irish Sea reach the harbour first, so the working boats and quayside can be wet while the beach toward Coppet Hall, a short walk along the sand, stays dry a little longer. RainViewer draws each shower where it actually is, which is why a look at the harbour and Coppet Hall can give different answers.
A forecast for Saundersfoot predicts rain with a probability, while RainViewer shows the rain the Met Office radar is measuring right now, with a new frame about every 5 minutes. Wales is covered by Met Office C-band radar, and its dual-polarization data tells rain, sleet and hail apart even up on the Brecon Beacons and the valley tops. That hyperlocal radar view tells you what is happening on your street.
Set a rain alert on the harbour or the coast path and RainViewer warns you before rain arrives. That lets you time a beach day or a boat trip. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track Coppet Hall and Tenby together.
A day on the beach and a walk along the coast path both depend on a dry gap, and RainViewer shows the next one.
Showers off the Bristol Channel reach Saundersfoot quickly, and the gap between two bands is the window that matters.
A weather app says showers for Saundersfoot this afternoon. RainViewer's live hyperlocal radar shows the cell still out over the sea with the harbour dry, which decides whether the beach day continues.
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The 5-minute steps show whether the walk along the coast path fits inside the dry gap.
Set the alert at the harbour, and the warning arrives in time to decide whether to stay on the beach or move to the harbour cafés.
Storms usually arrive from the west and south-west, off the Irish Sea and the Bristol Channel over Saundersfoot, and the arrows show which way each cell is moving.
Check the Irish Sea off the coast in the last 48 hours to see how much rain came down.
Keep the harbour, Coppet Hall and Tenby on the same list, each with its own alert.