A southwesterly, moderate and mostly variable flow prevails over the whole area.
For Helensburgh :
Warning strong breeze offshore.
The reliability of the situation is assessed at 90%.
Cloudy spells, sometimes dense. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. SW force 3 in the middle of the day turning ESE force 2 in the evening. Gusts reaching 16 knots in the middle of the day. Smooth sea. Low, short swell from S. Good visibility becoming poor in the evening.