Sea Area Forecast
Forecast valid from: 06:00, Wednesday 12 August 2026 until 06:00, Thursday 13 August 2026
Small Craft Warning
Southerly winds will occasionally reach force 6 for a time this morning (Wednesday) on Irish coasts from Slyne Head to Erris Head to Rossan Point.
Gale Warning
nil
Meteorological Situation at 03:00 UTC
Ireland lies in a mostly moderate to strong south to southeast airflow between high pressure of 1029hPa centred near Denmark and a broad area of low pressure of 993hPa centred in the mid-Atlantic. Associated frontal troughs are moving slowly eastwards over the area.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: South to southeast force 4 to 6. Imminent, decreasing southerly force 3 to 5. Soon veering south to southwest force 2 to 4. Later increasing southerly force 3 to 5.
Weather: Mostly cloudy with occasional rain and drizzle, possibly heavy in parts by the end of the period with a chance of isolated thunderstorms. Mist and fog patches also.
Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise, good.
Forecast for Malin Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: South to southeast force 3 to 5, strongest in the north. Soon decreasing south to southeast or variable force 2 to 4, but occasionally reaching force 5 near the North Channel. Later becoming southerly or variable force 2 to 4.
Weather: Cloudy to fair with isolated showers. Patchy mist and fog also.
Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise, good.
Outlook for a further 24 hours until 06:00, Friday 14 August 2026
Moderate to fresh southerly winds in the west veering mostly moderate west to northwest later. Elsewhere, light to moderate southerly or variable winds, becoming moderate to fresh southwesterly in the south and southeast for a time on Thursday before veering moderate, occasionally fresh west to northwest by the end of the period. Weather: Cloudy or fair with scattered showers, mainly in the west and north. Mist and fog in the south and west.
Forecast issued at: 06:00, Wednesday 12 August 2026
All times are local unless specified
