UPDATE: 12.45pm Fisheries has spotted 3m shark 1.3km off Meelup Beach.
Surf Life Saving WA said the shark was spotted at 12.15pm and was heading north.
It was not known what type of shark it was.
A 5m shark was spotted 500m off Geordie Bay at Rottnest. Surf Life Saving WA tweeted the sighting at 10.20am.
The Westpac Rescue Helicopter sighted two 3m sharks 100m offshore at north Floreat this morning but the beach has been reopened.Surf Life Saving WA tweeted the sighting at 9.10am.
Fisheries advise 3 metre White Shark seen at 09.15 1 - 1.5km off George Reef Geraldton
It's #NationalVolunteerWeek so a big thankyou to the thousands of volunteer surf lifesavers who keep our beaches safe http://t.co/ijoWySgSsr
4 m White pointer sighted 100m offshore at stricklands bay rottnest by surfer at 16:30
Fisheries advise report of 2m shark at Horocks Beach & 2-3m shark at Seal Rocks, Geraldton
Fisheries reports sighting of a 2 metre shark at princess royal harbour near yacht club.
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