A southwesterly, strong and mostly variable flow prevails over the whole area.
For Helensburgh :
Warning moderate gale offshore.
The reliability of the situation is good.
Overcast skies. Rain getting heavier during the afternoon. In the evening, overcast and misty, reduced visibility.
Light rain getting progressively heavier. SSE force 5 turning SSW force 4 in the middle of the day then becoming force 3. Gusts reaching 27 knots in the morning. Smooth to slight sea becoming smooth in the evening. Low from N then from S in the evening. Poor visibility becoming reduced by mist in the middle of the day then reduced by mist.