Shipping forecast for the North Irish Sea

Nil.

Slack low pressure centred over England moves eastwards, as high pressure in the mid-Atlantic builds a ridge across the area.

North or Northeast 2 to 4, backing mainly North or Northwest 3 or 4 occasionally 5 tomorrow afternoon, but remaining Variable 3 or less in places throughout the period.

Smooth or slight.

Fair.

Good.

North or Northwest 3 or 4 occasionally 5, but Variable 3 or less in the west of the area at first, veering East 4 or 5 occasionally 6 Tuesday evening.

Smooth or slight, becoming slight occasionally moderate later.

Mainly fair.

Good.