Sea Area Forecast
Forecast valid from: 12:00, Saturday 19 July 2025 until 12:00, Sunday 20 July 2025
Small Craft Warning
Southeast to east winds will reach force 6 or higher at times today and tonight on Irish coasts from Carnsore Point to Roches Point to Slyne Head, backing northerly tomorrow morning and becoming confined to coasts from Mizen Head to Valentia to Slyne Head.
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
A depression of 998hPa centred approximately 115 nautical miles west of Valentia maintains a moderate to fresh southeasterly airflow over Ireland. Associated fronts will track across the south of the country today and tonight.
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Carnsore Point to Mizen Head to Slyne Head
Wind: East to southeast force 5 or 6 imminent, but variable force 3 or less between Roches Point and Valentia. Soon becoming cyclonic variable force 4 or 5, occasionally reaching force 6. Later becoming east to northeast force 4 to 6, decreasing force 3 or 4 between Roches Point and Mizen Head.
Weather: Rain and drizzle imminent, heavy at times with the chance of thunderstorms.
Visibility: Moderate or poor in precipitation.
Forecast for Irish coastal waters from Slyne Head to Fair Head to Carnsore Point and for the Irish Sea
Wind: East to northeast force 3 or 4 imminent, soon occasionally reaching force 5.
Weather: Cloudy to fair with scattered showers. Rain in the southeast soon, spreading elsewhere later.
Visibility: Good, decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 12:00, Monday 21 July 2025
Fresh to strong northerly winds in the west and south, light to moderate variable winds elsewhere. Winds becoming moderate to strong northwesterly in all areas on Monday. Weather: Outbreaks of rain with possible thunderstorms. Heavy rain in the east on Monday, cloudy with isolated showers elsewhere.
Forecast issued at: 12:00, Saturday 19 July 2025
All times are local unless specified
