Coastal waters

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

Issued: 23 September 2026 03:39 UTC

A warning to shipping:

No warnings

Synopsis:

A low-pressure system off the coast of Scotland is moving northeastwards towards Norway. The associated trough will move across the coastal area during the afternoon and evening.

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

Flushing
South to southwest 2-3, later increasing northwest 4-5, later risk of a shower, visibility good, in precipitation possibly moderate.

Zierikzee
South to southwest 2-3, later increasing west to northwest 3-4, later risk of a shower, visibility good, in precipitation possibly moderate.

Hook of Holland
South to southwest 3-4, later increasing northwest 4-5, later risk of a shower, visibility good, in precipitation possibly moderate.

IJmuiden
South to southwest 3-4, later increasing northwest 4-5, possibly 6, later an occasional shower, visibility good, in precipitation moderate.

Texel
South to southwest 3-4, increasing to southwest 4-5, later increasing northwest 5-6, occasional showers in the afternoon, risk of a thunderstorm, visibility good, in precipitation moderate to poor.

Harlingen
South to southwest 3-4, later increasing northwest 5-6, occasional showers in the afternoon, risk of a thunderstorm, visibility good, in precipitation moderate to poor.

Rottum Delfzijl
South to southwest 3-4, increasing to southwest 4-5, later increasing northwest 5-6, later occasional showers are possibly, with a risk of a thunderstorm, visibility good, in precipitation moderate to poor.

IJsselmeer
South to southwest 3-4, later increasing northwest 5-6, later occasional showers, visibility good, in precipitation moderate.

Marken
South to southwest 3-4, later increasing northwest 4-5, later occasional showers, visibility good, in precipitation moderate.

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

Flushing
Northwest 4-5, decreasing to north 3-4, later decreasing 2-3, visibility good.

Zierikzee
West to northwest 3-4, decreasing north 2-3, , visibility good.

Hook of Holland
Northwest 4-5, decreasing north to northwest 3-4, , visibility good.

IJmuiden
Northwest 4-5, first possibly 6, later decreasing 3-4, visibility good.

Texel
Northwest 5-6, decreasing 4-5, visibility good.

Harlingen IJsselmeer
Northwest 5-6, decreasing 4-5, first occasional showers, visibility good, in precipitation moderate.

Rottum Delfzijl
Northwest 5-6, first occasional showers, visibility good, in precipitation moderate.

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


Next forecast will be approximately issued at Wednesday 23 September 2026 12.00 UTC.