Five Lesser-Known Dangers at the Beach Dog Owners Need to Be Aware Of

Spring is well underway, and although many beaches across the UK ban dogs during this time of the year, plenty still allow them. If you’re lucky enough to live near a dog-friendly beach or are planning a trip to one, there are some things you need to know to ensure it’s a safe, fun day out for your furry friend.

Dog sniffing the sand on a beach

Most dog owners know the risks of saltwater ingestion, sharp objects, such as broken shells, and heatstroke to dogs, but there are some lesser-known beach dangers to be aware of. The team at Dog Friendly Retreats has shared five to watch out for.

1. Blue-Green Algae

Be cautious of blue-green algae blooms, as some can be highly toxic to dogs, even if they just paddle through the water they’re in or lick their fur after swimming. They often look like greenish scum on the surface of the water or along shorelines but can also be invisible and are most prevalent in the UK in warmer weather conditions. Check for warning signs when you arrive at the beach before letting your dog take a dip, and keep them away from any water you suspect may contain blue-green algae.

Blue-green algae can be harmful to humans, other animals, and the environment. To help mitigate the risks, you can report any sightings to your local council’s environmental health department, the Environment Agency’s incident hotline (0800 80 70 60), or via the UK Centre for Ecology and Hydrology’s Bloomin’ Algae app.

How can I recognise a blue-green algae bloom?

Advice from the UK Centre for Ecology and Hydrology: Blue-green algae first develop as small green particles of 1-2 mm [1]. If the bloom continues it can develop into more obvious green or turquoise wispy scum on the water surface [2-3].

Blue Green Algaie identifier

Download advice leaflet >

2. Dry Drowning

Most dogs love splashing around in the sea, but not many owners know about the risk of dry drowning. This can happen when a dog inhales water, leading to breathing difficulties hours later. If your dog starts coughing, seems extra tired, or has trouble breathing after swimming, seek advice from your vet straight away. It’s a rare condition, but one to be aware of after a day at the coast.

3. Foxtails and Other Coastal Grasses

Dog walks in sand dunes with dune grass

While dunes and grassy areas can be fun to explore, they often hide sharp seed heads like foxtails. These barbed seeds can easily get stuck in your dog’s paws, ears, or even their nose, causing discomfort or infection. After your walk, give your dog a quick once-over, paying special attention to their paws and ears. Brushing them down can help remove any hitchhiking seeds before they cause a problem.

4. Leftover Bait

Some beaches are popular with anglers, which can mean leftover bait such as fish, squid, or worms are left behind in the sand. These can be irresistible to dogs but could lead to upset stomachs or worse if the bait contains harmful preservatives or hooks. It’s a good idea to keep your dog close in these areas and teach them to “leave it” in case they sniff out something suspicious.

5. Beach Tar/Oil Residue

Occasionally, patches of tar or oily residue wash up along the shoreline, particularly after storms. These can stick to your dog’s paws or coat and may cause irritation or illness if licked off later. If you spot any dark, sticky patches on the beach, steer clear. After your beach day, it’s worth wiping your dog down to remove any sand, salt, or residue they might have picked up.

Similarly to blue-green algae, you can report any sightings of tar or oil on UK beaches to your local council.

Keep Your Dog Safe at the Beach this Season

A visit to the beach should be an enjoyable experieince for you and your canine companion. And 99% of the time is is perfectly safe. But bear in mind these potential dangers to ensure a healthy visit.

If you’re unsure if the beach you want to visit allows dogs during this time of the year, it’s best to check the local authority’s website to save yourself a wasted journey. See our pick of the UK’s best dog-friendy beaches where four-legged friends are always welcome.

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