A northerly, moderate and very variable flow prevails over the South-West of the basin. Over the South-East, it is easterly, moderate and very variable. Over the North, it is southwesterly, moderate and very variable.
Für Portstewart : No gale warning.
The reliability of the situation is very good.
Lots of good clear periods.No precipitation.In the evening, changeable skies clouding over completely. Risk of showers in the early hours. ESE force 3 in the middle of the day turning NNW force 4 in the evening. Gusts reaching 19 knots in the evening. Smooth sea. Low, fairly long swell from NW. Excellent visibility becoming poor in the evening.