Starting at 20:50, ending at 21:00.
Last updated: 20:00, 5 Oct 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
Home, office, kids' school - all at once, no switching tabs.
Get notified 15 minutes before rain - while you can still change your plans.
Live radar without opening the app - on your lock screen or home screen.
Bangor sits on the southern shore of Belfast Lough in County Down, with the marina and seafront looking north across the water, Ward Park and the North Down Coastal Path a short walk inland and along the shore, and the Belfast to Bangor railway line hugging the coast. Open a Bangor rain radar and the picture changes, because hyperlocal radar shows the shower's actual path rather than a citywide estimate.
Belfast Lough funnels wind and rain along its length, so a shower crossing the water can reach Bangor's seafront with almost no warning, while Ward Park and the streets set back from the water can stay dry a few minutes longer. Rain arrives from the west across the Atlantic and the Irish Sea, and it meets high ground on every side of the main towns. Orographic lift over the Antrim Hills and the Sperrins turns light rain into heavy rain, while sheltered valleys in the lee of the hills can stay drier.
The live picture for Bangor, Northern Ireland, comes straight from Met Office radar, refreshed on the map about every 5 minutes. The live map shows whether a shower is still crossing the lough or already at the marina, which a forecast for Bangor cannot tell you.
The marina and the seafront take the wettest, windiest weeks of the year, and the lough can turn choppy within minutes of a front arriving. Between September and January, named storms and repeated fronts bring rain and strong wind in close succession. Rivers and loughs climb as the ground stays saturated for weeks. Coastal roads, ferry routes and low-lying streets are usually the first places affected.
February to April brings the least predictable weather of the year, as showers, hail and sleet trade places without much warning. The cells involved are small and fast-moving, which limits how far ahead forecasts can see. Hill walkers and spring sports fixtures face the greatest exposure to this. Squalls cross the lough quickly, and a walk on the North Down Coastal Path is the plan most often cut short.
Rain is less frequent, but Atlantic showers still cross the province, and thunderstorms can form inland on warm afternoons. Festivals, coastal drives and outdoor events depend on short dry gaps. Rain is lighter, but evening showers still cross Belfast Lough, and Pickie and the seafront depend on the gaps between them.
The marina sits fully open to the lough, and a squall can arrive with little notice. Sailors and dog walkers on the pontoons check the radar before heading out.
The coastal path between Bangor and Groomsport has almost no shelter for long stretches. Watch the cell approach and decide whether to start the walk or wait in the town.
Ward Park and the Pickie seafront attraction are open-air, and families time a visit around the showers. Check the radar before setting out with children.
The Belfast to Bangor line runs beside the lough, and the walk from the station into town is exposed. Time the walk to the gap between showers.
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 Bangor the map also covers Belfast, Newtownards and Holywood.
Bangor Marina sits fully open to Belfast Lough, so a shower crossing the water can reach the pontoons and the seafront within minutes of appearing on the horizon. Sailors and visitors walking the harbour watch the sky and the radar together before setting out. RainViewer shows the shower crossing the lough ahead of the marina.
Yes, the A2 coast road between Bangor and Belfast slows in heavy rain, and spray builds where the road runs close to the lough shore. Look at the map before you set off. A look at the map shows whether the cell has passed or is still on the way.
Bangor does not flood often, since the town rises steadily from the seafront, but heavy rain can leave standing water on the low streets around the marina and where surface drains struggle to keep up. The seafront and harbour area are the first to feel it. The radar shows whether a heavier band is still out over the lough.
May to September is the best window to visit Bangor, with Bangor Marina and the North Down Coastal Path at their best. Spring squalls off the lough can still catch a walk out. Look at the radar early and plan outdoor time around the gap.
Belfast Lough can push a squall straight onto the seafront while Ward Park, set back and slightly higher, can stay dry until the shower drifts further inland. Live radar shows the edge of each cell, so checking the marina and seafront and Ward Park separately shows which side of the line you are on.
The Bangor radar map needs a connection to pull the latest Met Office scan, refreshed roughly every 5 minutes, so it is not built for offline use. The Met Office runs dual-polarization radar across Northern Ireland and its coastal waters, which lets forecasters distinguish rain, hail and sleet over high ground rather than lumping them together. That live, hyperlocal feed is only as current as the last successful update.
Set a rain alert on Bangor Marina or Ward Park and RainViewer warns you before rain arrives. That lets you time a walk or a sail. The 2-hour forecast in 5-minute slices shows the next gap, and saved locations track the North Down Coastal Path and Pickie.
A visit to Bangor Marina and a walk on the North Down Coastal Path both depend on a dry gap, and RainViewer shows the next one.
Local rain around Bangor can build quickly, and checking the radar first shows what is on the way.
Your weather app says rain in Bangor this afternoon. RainViewer's live hyperlocal radar shows it still crossing the lough with the marina still dry, and that decides whether the coastal walk starts now.
Track rain in Bangor — free Upgrade to Essential for alerts, forecasts, and full radar history
Slice the next two hours into 5-minute steps and pick the gap for the walk on the North Down Coastal Path.
An alert on Bangor Marina arrives while the rain is still on its way, and that decides whether to head out on the water or wait in the harbour café.
In Bangor the wet weather tends to come from the west and south-west, off the Atlantic, and the arrows show the track of every shower.
Scroll back over the seafront and marina to see what actually fell overnight.
Track Bangor Marina, Ward Park and the North Down Coastal Path together and compare which one is dry.