For Barmouth :
No gale warning.
For the night from Thursday to Friday W wind force 1 continuing all night. Gusts reaching 14 knots at the end of the night.
Slight sea. from N then from SW at the end of the night. Poor visibility temporarily in the middle of the night. Daytime of Friday 30 may : The atmosphere will remain unstable.
Very cloudy. But clear spells will become more and more widespread. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. SW force 2 becoming force 3 in the middle of the day then WNW. Gusts reaching 15 knots in the evening. Slight sea. Low, short swell from SW. Poor visibility becoming good in the middle of the day then good.