A northwesterly, strong and very variable flow prevails over the whole area.
Für Boulogne-sur-Mer : No gale warning.
The reliability of the situation is assessed at 90%.
Sunny becoming changeable in the afternoon.No precipitation.In the evening, good clear periods but cloud building. No precipitation. WNW force 4 becoming force 3 in the middle of the day then SW force 2. Gusts reaching 23 knots in the morning. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from SW. Excellent visibility.
Semaphoren
Station Boulogne-Sem liegt 1 km von Boulogne-sur-Mer entfernt