Coastal waters

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

Issued: 20 february 2026 10:58 UTC

A warning to shipping:

Flushing Hook of Holland IJmuiden Texel Rottum
south to southwest 7

Zierikzee Delfzijl Harlingen IJsselmeer Marken
south to southwest 6

Synopsis:

Low near Scotland moving to northern Norway. Associated trough moving eastwards across the coastal area. A second trough is expected over the mainly southern coastal area at the end of the period.

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

Flushing Hook of Holland IJmuiden Texel
southwest 4-5, soon increasing south to southwest 5-6, possibly 7, later veering west to southwest,soon showery rain, visibility good, in precipitation moderate to poor

Zierikzee
south to southwest 3-4, increasing 5-6, later decreasing west to southwest 4-5,soon showery rain, visibility good, in precipitation moderate to poor

Rottum
south to southwest 4-5, occasionally 6, increasing 5-6, possibly 7, later veering west to southwest,showery rain, visibility good, in precipitation moderate to poor, later decreasing poor

Delfzijl Harlingen
south to southwest 4-5, increasing 5-6, later veering west to southwest,showery rain, visibility good, in precipitation moderate to poor, later decreasing poor

IJsselmeer Marken
south to southwest 3-4, increasing 4-5, possibly 6, later veering west to southwest,showery rain, visibility good, in precipitation moderate to poor, later decreasing poor

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

Flushing Hook of Holland IJmuiden
west to southwest 5-6, later decreasing 4-5,especially later light rain, visibility good, in precipitation possibly moderate

Zierikzee
west to southwest 4-5,soon showery rain, visibility good, in precipitation possibly moderate

Texel
west to southwest 5-6, later decreasing 4-5,first showery rain, visibility good, in precipitation moderate to poor

Rottum
west to southwest 5-6, later decreasing 4-5,first showery rain, visibility poor, soon increasing good

Delfzijl Harlingen
west to southwest 5-6, decreasing 4-5,first showery rain, visibility poor, soon increasing good

IJsselmeer Marken
west to southwest 4-5, first possibly 6, later decreasing 3-4,first showery rain, visibility poor, soon increasing good

Next forecast will be approximately issued at Friday 20 february 2026 18.00 UTC.