Western Australia's first tropical cyclone of the summer is bringing strong winds and heavy rain to the Kimberley region.

Slow-moving Tropical Cyclone Blake is tracking along the coast, passing close to Broome overnight on Monday.

A bit of a clean up for mum and dad at @MercedesCove today. Everyone is safe and no structural damage as #CycloneBlake crossed the Dampier Peninsular. Hope you Broome mob are getting some nice rain. pic.twitter.com/NSAXHmTviv — Sharon Davis (@Sharon_Davis_) January 6, 2020

On Tuesday, the category one system is expected to move towards the southwest and may cross the coast near Wallal Downs, along Eighty Mile Beach.

Thinking of my mob on the Dampier Peninsula with Cyclone Blake swinging in to the coast. This just taken by my parents pic.twitter.com/Q8gb1PIZxA — Sharon Davis (@Sharon_Davis_) January 6, 2020

The Bureau of Meteorology says the cyclone has weakened in intensity.

Bureau of Meteorology

"Tropical Cyclone Blake has been weak overnight due to interaction with the land," the BoM advisory said.

"It will move south-southwest today and may intensify slightly if it moves far enough off the coast. Tropical Cyclone Blake is expected to cross the coast along Eighty Mile Beach near Wallal this evening or early Wednesday morning as a category 1 tropical cyclone."

Heavy rainfall is expected in the eastern Pilbara and far southwestern Kimberley during Tuesday and Wednesday.

The structure of Tropical #CycloneBlake has deteriorated after interacting with land overnight. The most striking feature of this morning's satellite images is the huge mesoscale convective system (MCS) that's developed over the northern Kimberley. pic.twitter.com/BrsxzA0NOi — Ben Domensino (@Ben_Domensino) January 6, 2020

Gales could extend to Wallal Downs and De Grey during Tuesday or early Wednesday.

A yellow alert has been issued for people in or near communities from Beagle Bay to Bidyadanga.

People need to take action and get ready to shelter from a cyclone, the Bureau of Meteorology warns.