For Mac"s Reef :
No gale warning.
The reliability of the situation is very good.
Good clear periods but lots of cloud, too. Light showers progressively becoming less frequent. In the evening, changeable skies clearing completely.
No precipitation. N wind force 4 from the middle of the day. Gusts reaching 20 knots in the middle of the day. Slight sea. Low, short swell from S. Excellent visibility.