For Cerf Island and Long Island :
No gale warning.
The reliability of the situation is very good.
Skies very cloudy, risk of some thundery outbreaks. Light showers all day. In the evening, good clear periods but cloud building.
Possibility of showers SSE force 4 in the morning becoming force 3 in the middle of the day. Moderate sea becoming slight in the middle of the day. Low, short swell from SE. Excellent visibility.