Coastal waters

The weatherforecast for Netherlands coastal waters and adjacent lakes and estuaries.

Issued: 20 September 2026 03:49 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden IJsselmeer Marken
west to northwest 6 Bft

Texel Rottum Delfzijl Harlingen
west to northwest 7 Bft

Synopsis:

Low over the Norwegian Sea is moving eastwards. A ridge over Ireland will be lying over the western North Sea at the end of the period.

Forecast valid from Sunday 06:00 to Sunday 18:00 UTC:

Flushing
West to northwest 5-6, decreasing 4-5, later 3-4, first risk of a shower, visibility good, in precipitation possibly moderate.

Zierikzee
Westerly 4-5, first possibly 6, decreasing to west to northwest 3-4, first risk of a shower, visibility good, in precipitation possibly moderate.

Hook of Holland
West to northwest 5-6, decreasing 4-5, later 3-4, visibility good.

IJmuiden
West to northwest 5-6, decreasing 4-5, visibility good.

Texel
West to northwest 5-6, temporarily increasing 6-7, in the morning risk of a shower, visibility good, in precipitation possibly moderate.

Harlingen
West to northwest 5-6, temporarily possibly 7, later decreasing 4-5, in the morning risk of a shower, visibility good, in precipitation possibly moderate.

Rottum
West to northwest 5-6, temporarily increasing 6-7, risk of a shower, visibility good, in precipitation possibly moderate.

Delfzijl
West to northwest 5-6, possibly 7 at times, risk of a shower, visibility good, in precipitation possibly moderate.

IJsselmeer Marken
West to northwest 5-6, decreasing 4-5, in the morning risk of a shower, visibility good, in precipitation possibly moderate.

Forecast valid from Sunday 18:00 to Monday 06:00 UTC:

Flushing Hook of Holland
West to northwest 3-4, visibility good.

Zierikzee
West to northwest 3-4, backing to southwesterly 2-3, visibility good.

IJmuiden Harlingen IJsselmeer Marken
West to northwest 4-5, later decreasing 3-4, visibility good.

Texel
West to northwest 5-6, decreasing 4-5, visibility good.

Rottum
West to northwest 5-6, first risk of a shower, visibility good, in precipitation possibly moderate.

Delfzijl
West to northwest 5-6, later decreasing 4-5, first risk of a shower, visibility good, in precipitation possibly moderate.


Next forecast will be approximately issued at Sunday 20 September 2026 12.00 UTC.