Lochanna in Éirinn - Réamhaisnéis 10 lá

Inland lakes forecast issued at: 1230 Thursday 20 August 2026

Meteorological Situation at 0900

Ireland lies in a mostly fresh to strong unstable northerly airflow, between low pressure of 997hpa centred over Scandinavia and high pressure of 1028hPa centred in the mid-Atlantic.

ANAILÍSE DROMCHLA

Forecast for Lough Derg until nightfall today:

Wind:

Northwest to north force 4, occasionally force 5 this afternoon and early evening.

Weather:

Cloudy to fair with scattered showers.

Visibility:

Most good. Moderate to poor in showers.

Winds Overnight:

Northwesterly force 3 or 4.

Outlook:

Wind: Mostly moderate northerly winds. Weather: Cloudy to fair with scattered showers, becoming isolated in the evening.

Forecast for Lough Ree until nightfall today:

Wind:

Northwest to north force 4, occasionally force 5 this afternoon and early evening.

Weather:

Cloudy to fair with scattered showers.

Visibility:

Most good. Moderate to poor in showers.

Winds Overnight:

Northwesterly force 3 or 4.

Outlook:

Wind: Mostly moderate northerly winds. Weather: Cloudy to fair with scattered showers, becoming isolated in the evening.

Forecast for Lough Corrib and Lough Mask until nightfall today:

Wind:

Northwest to north force 4 or 5 and occasionally gusty.

Weather:

Cloudy to fair with scattered showers.

Visibility:

Most good. Moderate to poor in showers.

Winds Overnight:

Northwesterly force 3 or 4.

Outlook:

Wind: Mostly moderate northerly winds. Weather: Cloudy to fair with scattered showers, becoming isolated in the evening.

Forecast for Lough Key and Lough Allen until nightfall today:

Wind:

Northwest to north force 4, occasionally force 5 this afternoon and early evening.

Weather:

Cloudy to fair with scattered showers.

Visibility:

Most good. Moderate to poor in showers.

Winds Overnight:

Northwesterly force 3 or 4.

Outlook:

Wind: Mostly moderate northerly winds. Weather: Cloudy to fair with scattered showers, becoming isolated in the evening.