A southwesterly, moderate and mostly variable flow prevails over the whole area.
For Helensburgh :
Warning strong breeze offshore.
The reliability of the situation is good.
Skies changeable to very cloudy. Risk of showers in the morning, no precipitation in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. SW force 4 becoming force 3 in the middle of the day then E force 2. Gusts reaching 19 knots in the morning. Smooth sea. Low, short swell from S. Excellent visibility becoming good in the middle of the day then poor.