For Helmuth Reef :
No gale warning.
The reliability of the situation is good.
Storms developing in the morning, very cloudy with possibility of thunder storms in the afternoon. Showers all day. In the evening, changeable skies with risk of storms.
Possibility of showers ENE force 3 in the morning temporarily NE force 4 in the middle of the day. Gusts reaching 19 knots in the morning. Slight sea. Low, short swell from ESE. Excellent visibility becoming good in the evening.