Coastal waters

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

Issued: 17 September 2026 03:42 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden Texel Rottum Delfzijl Harlingen IJsselmeer Marken
southwest 6 Bft

Synopsis:

A low-pressure system southeast of Iceland is moving towards the Norwegian Sea. Associated troughs will move over the coastal area this afternoon and evening.

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

Flushing Hook of Holland IJmuiden
Southwest 5-6, later decreasing west 4-5, occasional rain or showers in the afternoon, visibility good, in precipitation sometimes moderate.

Zierikzee
South to southwest 3-4, increasing southwest 4-5, later decreasing 3-4, occasional rain or showers in the afternoon, visibility good, in precipitation sometimes moderate.

Texel Rottum
Southwest 5-6, later decreasing west 4-5, occasional rain or a shower, visibility good, in precipitation sometimes moderate.

Harlingen Delfzijl
Southwest 4-5, increasing 5-6, later decreasing west 4-5, occasional rain or a shower, visibility good, in precipitation sometimes moderate.

IJsselmeer Marken
Southwest 4-5, increasing 5-6, later decreasing 4-5, occasional rain or showers in the afternoon and evening, visibility good, in precipitation sometimes moderate.

Forecast valid from Thursday 18:00 to Friday 06:00 UTC:

Flushing Hook of Holland
West 4-5, especially showers at first, visibility good, in precipitation sometimes moderate.

Zierikzee
West to southwest 3-4, especially showers at first, visibility good, in precipitation sometimes moderate.

IJmuiden Harlingen Delfzijl
West 4-5, occasional showers, visibility good, in precipitation sometimes moderate.

Texel Rottum
West 4-5, increasing 5-6, occasional showers, visibility good, in precipitation sometimes moderate.

IJsselmeer Marken
West to southwest 4-5, temporarily decreasing 3-4, occasional showers, visibility good, in precipitation sometimes moderate.


Next forecast will be approximately issued at Thursday 17 September 2026 12.00 UTC.