Coastal waters

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

Issued: 9 june 2026 10:09 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden
southwest 6

Zierikzee
west to southwest 6

Other districts:
no warning

Synopsis:

Complex low near Iceland remains fairly stationary and is filling. Associated trough is eastwards across the North Sea in the morning and afternoon.

Forecast valid from 12:00 to 00:00 UTC:

Flushing Hook of Holland
southwest 5-6, decreasing 4-5,soon showers with risk of thunderstorms and hail, visibility good, in precipitation moderate, possibly poor

Zierikzee
west to southwest 4-5, first in the western part possibly 6, decreasing 3-4,soon showers with risk of thunderstorms and hail, visibility good, in precipitation moderate, possibly poor

IJmuiden
southwest 4-5, especially first possibly 6,soon showers with risk of thunderstorms and hail, visibility good, in precipitation moderate, possibly poor

Texel Harlingen IJsselmeer Marken
southwest 4-5,soon showers with risk of thunderstorms and hail, visibility good, in precipitation moderate, possibly poor

Rottum Delfzijl
west to southwest 4-5,soon showers with risk of thunderstorms and hail, visibility good, in precipitation moderate, possibly poor

Forecast valid from 00:00 to 12:00 UTC:

Flushing Hook of Holland IJmuiden Texel Rottum Delfzijl Harlingen IJsselmeer Marken
west to southwest 4-5, decreasing 3-4,an isolated shower, visibility good, in precipitation moderate, possibly poor

Zierikzee
southwest 3-4, veering west,an isolated shower, visibility good, in precipitation moderate, possibly poor

Next forecast will be approximately issued at Tuesday 09 june 2026 18.00 UTC.