A westerly, very strong and very variable flow prevails over the whole area.
For Helensburgh :
No gale warning.
The reliability of the situation is good.
Bright spells increasing during the morning, predominantly sunny in the afternoon. Risk of showers in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
WSW force 2 turning WNW force 3 in the middle of the day then becoming force 2. Gusts reaching 13 knots in the middle of the day. Rippled sea. Low, short swell from SSW. Good visibility becoming excellent in the middle of the day then good.