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Photo: Strangford_Lough_by_Sentinel-2.jpg by Copernicus Sentinel-2, ESA (CC BY-SA 3.0 igo) License

Strangford Lough

Bay

Cool today

Strangford Lough is a large sea lough or inlet in County Down, in the east of Northern Ireland. It is the largest inlet in Ireland and the wider British Isles, covering 150 km2 (58 sq mi). The lough is almost fully enclosed by the Ards Peninsula and is linked to the Irish Sea by a long narrow channel at its southeastern edge.

Interactive map not available

Weather at Strangford Lough

43°F, Cloudy · H 51° / L 37° · 86% chance of rain
H: 51° L: 37°
Cloudy
Cloudy
43°
|
Feels like 36°
Precipitation
86%
Humidity
81%
Wind
11 mph
UV Index
0
12 AM
Patchy rain nearby
48°
3 AM
Patchy rain nearby
50°
6 AM
Patchy rain nearby
51°
9 AM
Light drizzle
51°
12 PM
Light drizzle
45°
3 PM
Light drizzle
43°
6 PM
Overcast
45°
9 PM
Clear
39°

Frequently asked questions

Where is Strangford Lough?
Strangford Lough is a bay in Northern Ireland.
Can you swim at Strangford Lough?
There is no fixed answer for Strangford Lough: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Strangford Lough in Northern Ireland. Check current water conditions before you go, and follow posted signs and local guidance.

Location & Contact

Northern Ireland

💡 Best times & visiting tips
  • ›Weekday mornings (8–10 AM) are typically less crowded
  • ›Check the forecast 2–3 days ahead for best planning
  • ›Avoid holiday weekends for a quieter experience
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