For Gwynn Island Reef :
Warning strong breeze.
The reliability of the situation is good.
Overcast skies. Light rain. In the evening, very cloudy skies to overcast.
Light showers progressively becoming less frequent. NE force 6 in the middle of the day becoming force 5 in the evening. Gusts reaching 32 knots in the middle of the day. Moderate sea. Low, short swell from ESE. Excellent visibility.