Sea Area Forecast

Forecast valid from: 11:00, Thursday 09 April 2026 until 12:00, Friday 10 April 2026

Small Craft Warning

Westerly winds will reach force 6 or higher at times today (Thursday) on all Irish coasts.

Gale Warning

South to southeast winds will reach gale force 8 on Friday morning on Irish coastal waters from Mizen Head to Slyne Head to Erris Head.

Atlantic Swell

on Atlantic coasts

Meteorological Situation at 09:00 UTC

Low Pressure of 973hPa positioned near Iceland extends a fresh to strong and increasingly unstable westerly air-flow over Ireland. A showery trough is pushing eastwards across the country.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Fair Head to Wicklow Head to Roches Point and for the Irish Sea

Wind: West force 5 to 7. Soon decreasing west force 4 to 6. Decreasing south to southwest force 3 or 4 for a time overnight (Thursday night). Increasing south force 5 or 6 during Friday morning.

Weather: Scattered showers, some with hail and thunder. Mostly dry with clear spells soon. Rain, drizzle and mist developing later.

Visibility: Often good at first but decreasing moderate to poor in showers. Decreasing generally moderate to poor later.

Forecast for Roches Point to Erris Head to Fair Head

Wind: West force 6 or 7 and gusty. Soon decreasing west force 4 to 6. Decreasing south to southwest force 3 or 4 for a time overnight (Thursday night). Increasing south to southeast force 7 to gale force 8 during Friday morning.

Weather: Scattered showers, some with hail and thunder. Mostly dry with clear spells soon. Rain, drizzle and mist developing later.

Visibility: Often good at first but decreasing moderate to poor in showers. Decreasing generally moderate to poor later.

Outlook for a further 24 hours until 12:00, Saturday 11 April 2026

Strong to gale force south to southeast winds will veer south to southwest in direction during Saturday. Weather: rain, drizzle and mist will clear to scattered blustery showers on Friday night and Saturday, some of the showers will be heavy with hail and thunder.

Forecast issued at: 11:00, Thursday 09 April 2026

All times are local unless specified