Sea Area Forecast

Forecast valid from: 00:00, Sunday 20 July 2025 until 00:00, Monday 21 July 2025

Small Craft Warning

1. Northeast winds backing northerly will reach force 6 or higher at times overnight and during Sunday on Irish coasts from Roches Point to Valentia to Erris Head. 2. Easterly winds becoming southerly will reach force 6 at times overnight and for a time on Sunday on Irish coasts from Wicklow Head to Hook Head to Roches Point.

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

A complex area of low pressure of 994hPa centred around 60 Nautical miles southwest of Lands End generates a mainly moderate to fresh, occasionally strong east to northeast airflow over Ireland.

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Fair Head to Howth Head to Roches Point and for the Irish Sea

Wind: Easterly or variable force 3 to 5 imminent, occasionally force 6 south of Wicklow Head. Later decreasing cyclonic variable force 2 to 4.

Weather: Showers or longer spells of rain with a chance of isolated thunderstorms in the south. Patchy mist and fog also.

Visibility: Reducing moderate or poor in precipitation, mist and fog otherwise good.

Forecast for Irish coastal waters from Roches Point to Valentia to Erris Head

Wind: Mainly northeast force 4 to 6, but variable force 3 or less at first south of Valentia. Soon increasing northeast to north force 5 to 7 and gusty. Later backing north to northwest force 4 to 6.

Weather: Showers or longer spells of rain with a chance of isolated thunderstorms in the south. Patchy mist and fog also.

Visibility: Reducing moderate or poor in precipitation, mist and fog otherwise good.

Forecast for Irish coastal waters from Erris Head to Bloody Foreland to Fair Head

Wind: East to northeast force 2 to 4. Soon increasing northeast to north force 3 to 5. Later backing north to northwest.

Weather: Fair to cloudy with occasional showers. Patchy mist and fog also.

Visibility: Reducing moderate or poor in precipitation, mist and fog otherwise good.

Outlook for a further 24 hours until 00:00, Tuesday 22 July 2025

Mainly moderate to strong west to northwest winds, but light to moderate cyclonic variable winds in the east at first. Weather; Rain in the east and south with scattered showers elsewhere. Rain clearing eastwards during Monday followed by showers.

Forecast issued at: 00:00, Sunday 20 July 2025

All times are local unless specified