Coastal waters

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

Issued: 18 december 2025 16:56 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden Rottum Harlingen
south 7

Zierikzee Delfzijl IJsselmeer Marken
south 6

Texel
south 8

Synopsis:

Low south of Iceland is slowly moving east. Secondary low between Scotland and Norway will move northeast. Associated troughs will move northeastwards across the North Sea.

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

Flushing Hook of Holland IJmuiden
south 6-7, veering southwest 4-5,occasionally rain or drizzle, later risk of a shower, visibility good, in precipitation moderate

Zierikzee
south 5-6, veering southwest 4-5,occasionally rain or drizzle, later risk of a shower, visibility good, in precipitation moderate

Texel
south 6-7, in the evening occasionally 8, veering southwest 5-6,occasionally rain or drizzle, later risk of a shower, visibility good, in precipitation moderate

Rottum
south 6-7, veering southwest, later decreasing 5-6,at night occasionally rain or drizzle, visibility good, in precipitation moderate

Delfzijl
south 5-6, veering southwest 4-5,at night occasionally rain or drizzle, visibility good, in precipitation moderate, possibly poor

Harlingen
south 5-6, in the evening occasionally 7, veering southwest,occasionally rain or drizzle, later risk of a shower, visibility good, in precipitation moderate, possibly poor

IJsselmeer Marken
south 5-6, veering southwest 4-5,occasionally rain or drizzle, later risk of a shower, visibility good, in precipitation moderate, possibly poor

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

Flushing Hook of Holland IJmuiden
southwest 4-5, visibility good

Zierikzee
southwest 3-4, in the western part first occasionally 5, visibility good, later decreasing moderate

Texel Rottum
southwest 5-6,first risk of a shower, visibility good, in precipitation moderate

Delfzijl Harlingen
southwest 4-5, first occasionally 6,first risk of a shower, visibility good, in precipitation moderate

IJsselmeer Marken
southwest 4-5, decreasing 3-4,first risk of a shower, visibility good, in precipitation moderate

Next forecast will be approximately issued at Friday 19 december 2025 00.00 UTC.