Low 987 hPa centered at 200 nautical miles in the West of Belmullet (North-West Ireland) rising in a stationary position.
For Portstewart :
No gale warning.
The reliability of the situation is good.
In the evening, good clear periods but lots of cloud, too.
Light showers. WSW wind force 2. Gusts reaching 8 knots in the evening. Smooth to slight sea. Low, long swell from NW. Poor visibility.