A westerly, strong and mostly variable flow prevails over the whole area.
For Hoorn :
Warning fresh gale offshore.
The reliability of the situation is very good.
Very cloudy skies with short clear spells. Showers all day. In the evening, good clear periods but cloud building.
Light showers progressively becoming less frequent. WSW force 5 in the morning becoming W force 4 in the evening. Gusts reaching 38 knots until the middle of the day. Slight sea. Low, short swell from SE. Excellent visibility becoming good in the evening.