For Twin Sister :
No gale warning.
The reliability of the situation is very good.
Skies clearing but with risk of storms in the morning, very cloudy with possibility of thunder storms in the afternoon. Risk of showers in the morning, showers in the afternoon. In the evening, clear periods developing.
Possibility of showers S force 3 in the morning becoming SSE force 4 in the evening. Smooth to slight sea. Low, short swell from ESE. Excellent visibility.