Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Tuesday 15 July 2025 until 00:00, Wednesday 16 July 2025
Small Craft Warning
South to southwest winds, veering westerly will reach force 6 or higher on Irish coasts from Belfast Lough to Hook Head to Slyne Head tonight (Monday night) and tomorrow (Tuesday).
Gale Warning
Southwest to west winds will reach gale force 8 at times tonight and early on Tuesday on Irish coastal waters from Carnsore Point to Roches Point to Valentia.
Meteorological Situation at 21:00 UTC
Low Pressure of 999hPa centred to the northwest of Ireland extends a fresh southwesterly air-flow over the country. Frontal troughs are embedded in the air-flow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Belfast Lough to Carnsore Point to Valentia and for the Irish Sea
Wind: South to southwest force 6 or 7, occasionally reaching gale force 8 between Carnsore Point and Mizen Head. Later decreasing west to northwest force 4 to 6.
Weather: Widespread showers or longer spells of rain with embedded thunderstorms. Becoming mostly fair on Tuesday night.
Visibility: Moderate to poor in precipitation.
Forecast for Irish coastal waters from Valentia to Slyne Head to Erris Head
Wind: Southwest to west force 5 to 7. Soon becoming west to northwest force 5 or 6. Later decreasing northwest or variable force 2 to 4.
Weather: Widespread showers or longer spells of rain with embedded thunderstorms. Becoming mostly fair on Tuesday night.
Visibility: Moderate to poor in precipitation.
Forecast for Irish coastal waters from Erris Head to Malin Head to Belfast Lough
Wind: Southeast force 3 to 5. Becoming cyclonic variable force 3 to 5 imminent. Later becoming northwest force 3 or 4.
Weather: Widespread showers or longer spells of rain with embedded thunderstorms. Becoming mostly fair on Tuesday night.
Visibility: Moderate to poor in precipitation.
Outlook for a further 24 hours until 00:00, Thursday 17 July 2025
Moderate to fresh west to northwest winds will become generally light and variable for a time on Wednesday. Moderate southerly winds will develop later on Wednesday, perhaps increasing fresh on the south coast. Weather: generally fair weather at first. Rain and drizzle developing in southern and western coastal waters later on Wednesday.
Forecast issued at: 00:00, Tuesday 15 July 2025
All times are local unless specified
