Coastal waters

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

Issued: 6 July 2026 10:13 UTC

A warning to shipping:

Rottum Delfzijl
west 6 Bft

Flushing Hook of Holland
southwest 6 Bft

Synopsis:

The ridge over Great Britain is moving toward the North Sea and is building.

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

Flushing
Southwest 4-5, increasing 5-6, later decreasing west 2-4, visibility good.

Zierikzee
West to southwest 4-5, later decreasing 2-4, visibility good.

Hook of Holland
Southwest 4-5, increasing 5-6 in the south, later decreasing west 2-4, visibility good.

IJmuiden
West 4–5, decreasing southwest 2–4, later veering west, visibility good.

Texel
West 4-5, possibly 6 at first, decreasing southwest 3-4, later veering northwest, visibility good.

Harlingen
West 4-5, decreasing southwest 3-4, later veering northwest, visibility good.

Rottum
West 4-5, possibly 6 at first, later decreasing 3-4, visibility good.

Delfzijl
West 4-5, possibly 6 at first, later decreasing northwest 3-4, visibility good.

IJsselmeer Marken
West 4-5, decreasing variable 1-3, later increasing west 3-4, visibility good.

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

Flushing Zierikzee Hook of Holland
West 2-4, visibility good.

IJmuiden
West 3-4, later increasing northwest 4-5, visibility good.

Texel Harlingen
West to northwest 3-4, increasing 4-5, visibility good.

Rottum Delfzijl
West to northwest 3-4, increasing 4-5, risk of light rain, visibility good, in precipitation moderate.

IJsselmeer
West 3-4, possibly 5 later, visibility good.

Marken
West 3-4, visibility good.


Next forecast will be approximately issued at Monday 6 July 2026 18.00 UTC.