Police are seeking this man who tried to kiss and grab a woman in downtown Wellington.

Police are looking for a man who groped a woman on Wellington's Lambton Quay.

About 2:30pm on Monday, a woman walking along Lambton Quay towards the Wellington Railway Station was approached by the man, who grabbed her by the waist and tried to kiss her.

The man, thought to be in his 20s, is described as a skinny caucasian, about 177cm tall, with pale blue eyes and short brown hair.

He has a distinctive accent and was last seen wearing a maroon coloured dress shirt and grey dress pants.

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* No decision in case of alleged buttocks grabbing

Police think he may be frequenting the Wellington CBD area.

If you have seen him, or know who he is, contact Constable Natana Collier-Repia on 04 381 2000.