Probably not.

But that’s not quite the same as saying a winter break doesn’t matter.

When children stop swimming, established skills don’t normally vanish overnight. What tends to disappear first is the sharpness around those skills.

The breathing gets less automatic.

Timing gets a little messy.

Endurance drops.

A skill they were almost doing independently may need rebuilding. And when they return, some of the first lessons back may be spent finding the rhythm they already had.

So the better question isn’t:

“Will my child forget how to swim?”

It’s:

“Where could they be by spring if they keep swimming?”

That’s a much more interesting question.

What actually happens when kids take a break?

We asked one of our instructors what she notices when children return after time away.

“Usually, it’s not that they forget how to swim. The little things just aren’t as automatic anymore. Their breathing might be a little off, their timing can get messy, and they’ll often get tired faster than they used to.

They still know the skill, but it takes more effort because everything isn’t working together as smoothly. We’re really just helping them find that rhythm again.”

That’s the distinction parents sometimes miss.

Remembering how to swim and swimming well are not the same thing.

Your child may still know how to do freestyle. That doesn’t mean the breathing is where it was.

They may still know how to float. That doesn’t mean they’re as relaxed doing it.

They may still be able to swim a length. That doesn’t mean the length feels as easy as it did three months ago.

That’s rust. And rust comes off.

The question is whether you want to spend lesson time removing it.

How quickly do swimming skills actually disappear?

Slower than some swim schools would have you believe.

A large 2025 meta analysis published in Psychological Bulletin looked at 457 studies examining what happens to motor skills when people stop practising them.

Depending on what researchers measured, it took roughly 6.5 to 13 months for half of the original improvement to be lost.

Before anybody puts “MY CHILD HAS 6.5 MONTHS” in the family calendar, don’t.

Those studies examined many different motor skills in many different populations. They were not a countdown clock for children taking winter off swimming lessons.

What the research does tell us is that motor skills tend to fade gradually, not disappear because you missed Tuesday.

Here’s what we do know about swimming

Swimming skills can stick around for a surprisingly long time once they are well established.

Researchers studied 3,603 people in rural Bangladesh who had learned survival swimming as children through a program called SwimSafe.

More than ten years later, 84% could still swim 25 metres and float or tread water for at least 30 seconds.

About 70% reported swimming less than once a month after completing the program.

That’s impressive.

It is also not permission to declare swimming permanent after twelve lessons.

These swimmers had reached an established survival swimming standard. The study was conducted in a very different environment from ours, and it doesn’t tell us what happens when a young Canadian swimmer takes one winter away from weekly lessons.

But it reinforces something important:

The more established the skill, the more your child has to come back to.

And the opposite matters just as much.

The awkward stage is the one we worry about more

Imagine two kids working on side breathing.

One can swim across the pool, turn their head, take a breath and keep moving without thinking much about it.

The other gets it right sometimes. Then lifts their head. Then forgets to exhale. Then swallows half the pool and looks personally betrayed by water.

Both are “working on side breathing.” But only one has really made the skill their own.

If both children take several months off, we wouldn’t expect them to return in exactly the same place. That’s why breaks matter more when a swimmer is in the middle of learning something.

A skill that has become automatic has a stronger foundation. A skill that is still being assembled is easier to disrupt.

And unfortunately, children do not consult your hockey schedule before reaching this stage.

What tends to fade first?

In our lessons, instructors commonly notice three things when swimmers return after a break:

Timing and coordination.

Swimming asks the arms, legs, breathing and body position to cooperate. After time away, the individual pieces may still be there while the coordination gets a little untidy.

Endurance.

The child who could comfortably swim several lengths may tire sooner when they first return.

Skills that weren’t quite independent yet.

This is the big one.

If your child was just starting to get their back float, almost breathing independently or nearly swimming a distance without help, that skill may need more rebuilding than something they had already performed comfortably dozens of times.

In other words:

Strong skills get rusty.

Developing skills can lose momentum.

Those are different problems.

And that’s the real argument for winter swimming

If your child takes the winter off, the likely outcome isn’t:

November: swimmer
March: potato

Relax.

The better reason to continue is that four months is a lot of lessons.

If your child swims once a week from November through February, that’s roughly another season of instruction.

Those lessons can be spent:

• Building endurance.
• Improving breathing.
• Making developing skills independent.
• Cleaning up technique.
• Learning the next skill.
• Getting stronger.
• Becoming more capable in the water.

Stop for winter and your child may come back in spring and regain their rhythm quickly.

Great.

But while they’re regaining November’s rhythm, the swimmer who continued has been building on November.

Continuing lessons isn’t just about preventing regression. It’s about allowing progression to continue.

That’s the case for swimming through winter that we think actually holds water.

Yes, that pun was unfortunate. We’re leaving it in.

What about fitness?

This is another place where breaks show up.

Studies involving trained young swimmers have found changes in performance after relatively short periods away from regular swimming.

One study found roughly a 2% decline in 100 metre freestyle performance after an 11 week break.

Another found young competitive swimmers were 3.8% slower over 400 metres after four weeks.

Another study found no measurable change in a 25 metre sprint after six weeks.

Yes, science has once again committed the unforgivable crime of being complicated.

These were trained swimmers, not children learning basic swimming skills, so we wouldn’t use those percentages to predict what will happen to your six year old.

The useful takeaway is simpler.

A swimmer can retain the underlying skill while losing some of the conditioning and efficiency surrounding it. They know how. It just doesn’t feel quite as easy.

When does continuing through winter matter most?

If your child is still building independent swimming skills, we’d lean toward consistency.

Not because missing lessons will erase their brain. Because they’re in the middle of building something.

If they’re finally putting their face in comfortably, starting to float independently, learning to breathe, swimming their first unassisted distance or putting a stroke together, regular practice gives that developing skill more opportunities to become established.

That’s the stage where we’d rather keep going. Not out of fear. Out of momentum.

When might taking the winter off be completely reasonable?

There are families for whom a break makes sense.

Maybe your child is already a strong, independent swimmer.

Maybe another sport temporarily takes over the calendar. Maybe the budget needs a break.

Maybe your child simply needs one.

The Lifesaving Society’s Swim to Survive standard gives parents one useful reference point for basic survival capability:

Roll into deep water.

Tread water for one minute.

Swim 50 metres.

Passing that standard does not mean a child has nothing left to learn or that a break has no effect. It simply means there is more established independent ability to come back to.

If your swimmer is already capable and your family needs a winter off, take the break knowing there may be some rust when they return.

Can we stop lessons for winter and come back to the same spot?

This is the other part families need to consider.

Aqua Life uses continuous monthly enrollment.

Your lesson time remains yours while you’re enrolled. If you withdraw, that space becomes available to another family.

If you return later, we’ll help you find an available lesson, but your previous day, time or instructor may no longer be available.

For a family with wide open availability, that may not matter much.

For the family whose calendar contains exactly one survivable 30 minute opening on Tuesday evening, it matters quite a lot.

Check our current withdrawal policy before making the decision so there are no surprises.

What if we take the break anyway?

Then go swimming sometimes.

Seriously.

It doesn’t need to become a curriculum.

Go to a family swim. Play. Race Dad. Retrieve something from the bottom. Let them use the skills they already know.

Keep activities appropriate to your child’s current swimming ability, supervise closely and leave teaching new skills to lessons.

The goal isn’t to recreate swim class yourself.

It’s simply to keep water from becoming something your child only sees between June and August.

What will happen when they come back?

We’ll see what’s still there.

An instructor may find that most of the skill comes back quickly.

Something that used to be automatic might need a reminder.

Breathing might need some attention.

Endurance may need rebuilding.

A technical habit might need correcting again.

And then we move forward.

How long that takes depends on the swimmer, what they could do before the break, how established those skills were and how long they were away.

So, should we stop swimming lessons for the winter?

Here’s our answer.

If your child is still learning to swim independently, we’d keep going if you can.

Not because they’re going to forget everything.

Because they’re building something, and consistency gives those developing skills time to become established.

If your child is already a capable swimmer, a winter break is less alarming than you may have been led to believe.

They may lose some sharpness, conditioning and rhythm. They probably aren’t returning as a complete beginner.

And if your family genuinely needs the break, that’s okay.

But there is one question worth asking before you stop:

Where could they be by spring if they don’t?

That’s the part of the conversation about “skill loss” that gets missed.

Four months isn’t only time in which your child could go backwards. It’s four months in which they could go forward.

Not sure which applies to your child?

Don’t guess.

After their next lesson, ask their instructor:

“Which skills have they really made their own, and what are they still building?”

We’ll tell you.

And if continuing through winter makes sense for your swimmer, keep the momentum going.

If you’re not currently swimming with us, come experience an Aqua Life lesson before deciding what your winter looks like.

Book a Free Trial Lesson

See how we teach. See what your swimmer is ready to work on next.

Then decide.

Learn Here. Swim anywhere.