For Cerf Island and Long Island : No gale warning.
The reliability of the situation is very good.
Skies changeable with thundery outbreaks possible during the afternoon.Risk of showers in the morning, showers late in the day.In the evening, warning: storms: considerable electrical activity. Heavy showers. SE force 4 in the morning becoming force 3 in the evening. Gusts reaching 16 knots in the morning. Slight sea. Low, short swell from SE. Excellent visibility.