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10°C / 18°C13°C / 18°C12°C / 18°C12°C / 18°C

National Summary

Today

Dry in many areas with a mix of cloud and sunny spells and there will be some well scattered showers, but these dying away from mid-afternoon. Moderate westerly winds, locally fresh in northwestern areas, will fall off light during the evening. Highest temperatures of 16 to 19 or possibly 20 degrees Celsius.

Tonight

Tonight will be dry with long clear spells in southern and southeastern areas, rather more cloud in the west and north. It will be cooler than recent nights with lowest temperatures of 7 to 11 degrees Celsius, in light southerly winds.

Tomorrow

Tomorrow will start mainly dry with some short sunny breaks in parts of the east and southeast but overall the day will be rather cloudy and there will be rain, persistent in western and northern areas, but well scattered in southern and eastern parts, where there will be good dry periods through the day with some brighter spells at times. Highest temperatures of 16 to 19 degrees Celsius and southerly winds will increase moderate to fresh.

Outlook

The last of the rain will clear the east coast on Thursday night and scattered showers will follow. It will stay mild with temperatures no lower than 12 to 15 degrees in moderate southwest winds. Sunny spells and scattered showers as well for Friday. Highest temperatures of 16 to 18 degrees in moderate or light southwesterly winds, though winds will be stronger along northwest coasts.There are strong indications that heavy rain will affect much of the country on Saturday with possibly strong winds as well. There is still some uncertainty though with regard to Sunday's weather. Present indications are that it will be a drier day, but further showers or longer spells of rain are possible.The start of next week will continue unsettled.

Coastal Reports

Malin Head Automatic

West-Southwest, 24 Knots, Gust 34 Knots, Fair, 8 Miles, 1014, Rising

Dublin Airport

West-Southwest, 17 Knots, Nearby rain, 10 Miles, 1017, Rising slowly

Buoy M5 51° 41'N 6° 42'W

West-Southwest, 13 Knots, Wave ht: 1.5 m, The visibility at Tuskar is greater than 10 Miles, 1020, Pressure tendency not available

Roches Point Automatic

West, 8 Knots, Fair, 18 Miles, 1020, Rising slowly

Sherkin Island Automatic

West, 12 Knots, Fair, 16 Miles, 1021, Rising

Valentia Automatic

West, 8 Knots, Fair, 9 Miles, 1021, Rising

Mace Head Automatic

West, 16 Knots, Cloudy, 12 Miles, 1019, Rising

Belmullet Automatic

West-Southwest, 12 Knots, Gust 24 Knots, Cloudy, 8 Miles, 1017, Rising

Buoy M2 53° 29'N, 5° 26'W

Southwest, 11 Knots, Wave ht:0.8 m, 1017, Pressure tendency not available

Buoy M3 51° 13'N, 10° 33'W

West, 11 Knots, Wave ht: 3.6 m, 1022, Pressure tendency not available

Buoy M4 55° 0'N 10° 0'W

West, 16 Knots, Wave ht: 4 m, 1015, Pressure tendency not available

Buoy M6 53° 4'N 15° 56'W

West, 17 Knots, Wave ht: 3.9 m, 1019, ?

Sea Area Forecast

Sea Area Forecast untill 1100 Saturday 23 July 2016 Issued at 1100 Friday 22 July 2016

Meteorological Situation at 0900: A light to moderate west to northwesterly airflow covers Ireland. An occluded front over the Irish Sea is slowly moving away eastwards. A ridge of high pressure extends from the southwest. An occluding front approaches from the Atlantic reaching western coastal waters tonight.

Forecast for Irish coastal waters from Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea:

Wind: West or variable force 2 to 4. Becoming south to southeast overnight force 3 or 4. Increasing Saturday morning southerly force 4 or 5.

Weather: Mostly fair with isolated showers at first. Rain and drizzle developing in western coastal areas around midnight extending eastwards overnight and on Saturday morning clearing to scattered showers. Some patchy mist and fog on Saturday early morning.

Visibility: Good at first becoming moderate in precipitation, occasionally poor in mist and fog.

Forecast for Irish coastal waters from Carnsore Point to Loop Head to Malin Head:

Wind: West to northwest force 2 to 4. Backing south this evening and tonight increasing force 3 to 5. Veering west during Saturday morning force 3 to 5, strongest between Slyne Head and Bloody Foreland.

Weather: Mostly fair with isolated showers at first. Rain and drizzle developing in western coastal areas around midnight extending eastwards overnight and on Saturday morning clearing to scattered showers. Some patchy mist and fog on Saturday early morning.

Visibility: Good at first becoming moderate in precipitation, occasionally poor in mist and fog.

Outlook for a further 24 hours until 1100 Sunday 24 July 2016: Moderate to fresh southerly veering westerly winds, occasionally light and variable. Frontal rain with locally heavy falls moving in from the west Saturday night extending eastwards on Sunday morning.

Weather Warnings

Small Craft Warning

Westerly winds will reach force 6 at times this afternoon on coasts from Rossan Point to Malin Head to Fair Head.