For Mac"s Reef :
No gale warning.
The reliability of the situation is very good.
Skies changeable to very cloudy. The risk of seeing rain will remain low. In the evening, clear periods developing.
Possibility of showers N force 2 turning W force 3 in the middle of the day then NW force 2. Smooth to slight sea. Low, short swell from WSW. Excellent visibility becoming excellent in the evening.