Coastal waters

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

Issued: 17 december 2025 16:51 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden Texel
south to southwest 7

Zierikzee Delfzijl Harlingen IJsselmeer Marken
south to southwest 6

Rottum
southwest 7

Synopsis:

low remains fairly stationary southwest of Iceland. associated trough moving eastwards across the coastal area, then an second trough.

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

Flushing Hook of Holland IJmuiden Texel
south to southwest 5-6, increasing 6-7,later rain, visibility good, in precipitation moderate

Zierikzee
south to southwest 3-4, soon increasing 4-5, in the western part 5-6,later rain, visibility good, in precipitation moderate

Rottum
southwest 4-5, increasing 6-7,later rain, visibility good, in precipitation moderate

Delfzijl
south to southwest 3-4, increasing 5-6,later rain, visibility good, first locally and in precipitation moderate

Harlingen
south to southwest 4-5, increasing 5-6, later occasionally 7,later rain, visibility good, in precipitation moderate

IJsselmeer Marken
south to southwest 3-4, increasing 5-6,later rain, visibility good, in precipitation moderate

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

Flushing Hook of Holland IJmuiden
south to southwest 6-7, temporary decreasing 5-6, backing south to southeast,in the morning rain, visibility good, in precipitation moderate

Zierikzee
south to southwest 4-5, in the western part 5-6, increasing south to southeast 5-6,in the morning rain, visibility good, in precipitation moderate

Texel
south to southwest 6-7, temporary decreasing 5-6, backing south to southeast, later possibly 8,in the morning rain, visibility good, in precipitation moderate

Rottum
southwest 6-7, backing south, temporary decreasing 5-6,in the morning rain, visibility good, in precipitation moderate

Delfzijl IJsselmeer Marken
south to southwest 5-6, backing south to southeast, temporary decreasing 4-5,in the morning rain, visibility good, in precipitation moderate

Harlingen
south to southwest 5-6, temporary decreasing south to southeast 4-5,in the morning rain, visibility good, in precipitation moderate

Next forecast will be approximately issued at Thursday 18 december 2025 00.00 UTC.