Sea Area Forecast
Forecast valid from: 17:30, Thursday 21 May 2026 until 18:00, Friday 22 May 2026
Small Craft Warning
1. Southerly winds will reach force 6 at times on Irish coasts from Valentia to Erris Head to Malin Head from this evening (Thursday) through tomorrow evening (Friday).
2. South to south-east winds will reach force 6 at times on Irish coasts from Fair Head to Strangford Lough to Howth Head tonight (Thursday) and for a time on Friday morning.
Gale Warning
nil
Meteorological Situation at 15:00 UTC
Low Pressure of 990hPa centred approximately 650 nautical miles west of Belmullet extends a fresh to strong southerly air-flow over Ireland. Frontal troughs are embedded in the flow.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for all Irish coastal waters and for the Irish Sea
Wind: South to southeast force 4 to 6. Later becoming southerly force 4 to 6.
Weather: Scattered outbreaks of rain and drizzle along with areas of mist and fog.
Visibility: Moderate or poor in any precipitation, mist or fog.
Outlook for a further 24 hours until 18:00, Saturday 23 May 2026
Fresh to strong southerly winds on all Irish coasts at first, becoming confined to western and northern coasts on Saturday. Light to moderate southerly or variable breezes developing on eastern and southern coasts on Saturday. Weather: mostly cloudy with scattered outbreaks of rain along with areas of mist and fog.
Forecast issued at: 17:30, Thursday 21 May 2026
All times are local unless specified
