Sea Area Forecast
Forecast valid from: 19:00, Sunday 16 August 2026 until 18:00, Monday 17 August 2026
Small Craft Warning
South to southwest winds will reach force 6 Monday afternoon on Irish coasts from Hook Head to Roches Point to Mizen Head and on Irish coasts from Valentia to Slyne Head to Rossan Point.
Gale Warning
nil
Meteorological Situation at 15:00 UTC
Ireland lies in a mainly moderate to fresh south to southwest airflow with a ridge of high pressure to the south and a shallow depression of 1013hPa centred approximately 110 nautical miles west of Malin Head. Associated fronts are tracking eastwards over the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Southerly force 3 or 4, imminent becoming westerly or variable force 2 to 4. Soon becoming northwest force 3 or 4 south of Strangford Lough with variable force 3 or less elsewhere. Backing west to southwest force 2 to 4 later, and occasionally reaching force 5 south of Wicklow Head towards the end of the period.
Weather: Cloudy with occasional rain and drizzle. Patchy mist and fog also. Later becoming cloudy to fair.
Visibility: Reducing moderate or poor in precipitation, mist and fog; Otherwise good.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Southwest to west force 4 or 5. Decreasing west to northwest force 3 or 4 imminent. Soon becoming northwest. Backing west to southwest later and increasing force 4 to 6 towards the end of the period.
Weather: Cloudy with isolated drizzle patches. Patchy mist and fog also. Soon becoming cloudy to fair.
Visibility: Reducing moderate or poor in precipitation, mist and fog; Otherwise good.
Forecast for Valentia to Erris Head to Malin Head
Wind: Mainly west to northwest force 3 or 4. Later backing southwest and increasing force 4 to 6 towards the end of the period.
Weather: Cloudy with occasional rain and drizzle. Patchy mist and fog also. Rain becoming persistent from the west towards the end of the period.
Visibility: Reducing moderate or poor in precipitation, mist and fog; Otherwise good.
Outlook for a further 24 hours until 18:00, Tuesday 18 August 2026
Mostly moderate to strong west to southwest winds Becoming moderate to fresh westerly by Tuesday morning. Weather: Cloudy to fair with patchy rain and drizzle in the north and northwest becoming persistent and occasionally heavy on Monday evening, spreading southeastwards Monday night. Rain clearing southeast on Tuesday morning followed by showers.
Forecast issued at: 19:00, Sunday 16 August 2026
All times are local unless specified
