For Hafan Pwllheli Marina :
No gale warning.
For the night from Tuesday to Wednesday ESE force 1 becoming force 2 in the middle of the night then SE. Gusts reaching 12 knots at the end of the night.
Smooth to slight sea. from N then from S in the middle of the night then, fairly long swell from SSW. Good visibility becoming good at the end of the night. Daytime of Wednesday 21 may : The sky will remain changeable.
Skies changeable to very cloudy. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers SW force 2 turning WNW in the middle of the day then W force 1. Gusts reaching 14 knots in the evening. Smooth to slight sea becoming smooth in the middle of the day. Low, fairly long swell from SSW. Good visibility becoming excellent in the middle of the day then good.