Coastal waters

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

Issued: 21 October 2026 03:18 UTC

A warning to shipping:

Texel
south 7 Bft

Rottum Delfzijl Harlingen IJsselmeer Marken
south 6 Bft

IJmuiden Flushing Hook of Holland
southwest 7 Bft

Zierikzee
southwest 6 Bft

Synopsis:

A low over The Channel will move north towards Forties. Troughs will move northwards across the North Sea.

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

Flushing Hook of Holland IJmuiden
South to southeast 5-6, increasing to southwest 6-7, periods of rain, followed by occasional showers, visibility good, in precipitation moderate.

Zierikzee
South to southwest 3-4, soon increasing 4-5, then increasing to southwest 5-6, periods of rain, followed by occasional showers, visibility good, in precipitation moderate.

Texel
Southwest 5-6, increasing to southerly 6-7, later veering south-westerly, periods of rain, followed by occasional showers, visibility good, in precipitation moderate.

Harlingen
Southwest 5-6, soon with a backing south, periods of rain, visibility good, in precipitation moderate.

Rottum Delfzijl
Southerly 5-6, periods of rain, visibility good, in precipitation moderate.

IJsselmeer Marken
Southwest 4-5, increasing to southerly 5-6, periods of rain, followed by occasional showers, visibility good, in precipitation moderate.

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

Flushing Hook of Holland IJmuiden Texel
West to southwest 6-7, occasional showers, visibility good, in precipitation moderate.

Zierikzee
Southwest 5-6, later decreasing 4-5, occasional showers, visibility good, in precipitation moderate.

Harlingen Rottum Delfzijl
South 5-6, increasing to southwest 6-7, occasional showers, visibility good, in precipitation moderate.

IJsselmeer Marken
South to southwest 5-6, occasional showers, visibility good, in precipitation moderate.


Next forecast will be approximately issued at Wednesday 21 October 2026 12.00 UTC.