How Long Can Golf Balls Be in Water?

A golf ball submerged for a day or two in a pond is almost box-fresh perfect, but leave it there for a few months, and its performance will take a serious nosedive. The question isn't just about how long it can be in water, but how that time affects its performance and when it's no longer worth putting back in your bag. This guide will walk you through exactly what happens to a golf ball underwater and provide a clear timeline so you can know which balls to play and which ones to toss into the shag bag.

The Modern Golf Ball vs. Water

First, it helps to understand what you're dealing with. Gone are the days of old-fashioned balata balls with wound rubber cores that would become waterlogged almost instantly. Today’s golf balls are marvels of engineering designed to withstand incredible forces, and that includes repelling water.

Modern golf balls generally have two primary components:

• The Core: This is the engine of the golf ball. It's typically made from a firm, rubber-like polymer such as polybutadiene. Its job is to compress at impact and rebound with explosive energy, creating ball speed.
• The Cover: This is the ball's outer shell, often made from either a durable Ionomer material (like on a Titleist Tour Soft or Callaway an SR1) or a softer, higher-performance Urethane (like on a Pro V1 or a Bridgestone). The cover protects the core and its dimples dictate the ball's aerodynamics.

Both ionomer and urethane are water-resistant materials. A brand-new ball, or one with no cuts or severe scuffs, presents a nearly impenetrable barrier to water. So, when your shiny new Pro V1 splashes into the pond, it doesn't immediately become a soggy mess. The damage comes from time and pressure.

How Water Degrades Golf Ball Performance

Even though modern covers are excellent protectors, they aren’t 100% waterproof forever. Over time, water molecules will slowly, painstakingly make their way through the semi-permeable cover material. This process is called osmosis. Once inside, this water goes straight for the core, and that's where the real problems begin.

Waterlogging and Compression Change

When the core absorbs water, it becomes "waterlogged." This changes its physical properties, most importantly its ability to compress and decompress effectively. Think about trying to squeeze a dry sponge versus a wet one. The wet one feels mushy and doesn't spring back with the same energy. It's a similar principle with a golf ball's core.

A partially waterlogged core won't rebound off the clubface as efficiently. This directly translates to a lower launch velocity - the speed at which the ball leaves the clubface - which is the single biggest factor in determining distance.

The result? A gradual but definite loss of yardage. This isn't just feel-good speculation, independent testing has consistently confirmed it. The longer the ball is submerged, the more water seeps into the core, and the shorter the ball will fly.

Loss of Balance and Consistency

Water absorption is rarely uniform. One side of the core might soak up more moisture than the other, especially if it was resting in mud. This can create a tiny, almost imperceptible shift in the ball's center of gravity. A perfectly balanced ball will fly true, but an unbalanced one becomes less predictable. Its flight can be slightly more erratic, and it might not respond to spin a correctly.

For the average weekend golfer, this effect is much less noticeable than the raw distance loss, but for a skilled player who relies on consistent ball flight, it’s a big deal. You might hit two seemingly identical shots with two different lake balls and get two different results.

A Golfer's Timeline: How Long is Too Long?

So, here’s the practical guide you need. When is it safe to put that water ball back into play? The answer depends entirely on the submersion time.

Submerged for up to 1 Week

If you find a golf ball in the pond that's clearly been there for only a few days (e.g., you hit one in on Saturday and fish it out on Sunday), you have nothing to worry about. For up to about a week, the amount of water that could have penetrated the cover is a negligible factor. Independent tests have shown that a ball submerged for one week loses, on average, less than one yard of distance. It is, for all intents and purposes, perfectly playable for any level of golfer.

Verdict: Clean it off and put it in play with full confidence.

Submerged for 1 Week to 1 Month

Now we're entering a gray area. After a few weeks underwater, a measurable amount of water has likely started to impact the core. The ball will still be very playable for most casual golfers, but some performance loss is to be expected. You might see a reduction of 2-4 yards with the driver compared to a fresh ball. The feel might be slightly duller or "heavier" off the clubface, but many golfers with mid-to-high handicaps wouldn't even notice. If you’re playing a casual round for fun, it's still perfectly fine to use.

Verdict: Great for a friendlymatch or to stock up for practice. Avoid it for your club championship.

Submerged for 3 to 6 Months

At this point, the ball has become noticeably compromised. It's spent a season sitting at the bottom of a pond. The water absorption is significant enough to cause a consistent and noticeable loss of distance, often in the range of 5-10 yards, sometimes more. The ball will feel "dead" and produce a lower, less powerful ball flight.

Think of these as shag bag balls. They're excellent for chipping around the yard, hitting into a practice net, or for using on holes with extreme forced carries where you might lose a ball anyway. But I wouldn’t recommend posting a score with one of these.

Verdict: Relegate it to practice duty only.

Submerged for a Year or More

This is the territory of the classic "lake ball" you might buy in a big mesh bag for ten dollars. These balls have been dormant for at least one winter, possibly several. The performance degradation can be massive - 10, 15, or even 20 yards of distance loss isn't out of the question. More critically, their performance is totally unpredictable. One ball might be a dud, while a fresher one that fell in later could perform okay. You just don't know.

These golf balls are fantastic for beginners who are just learning the game and need a large supply of cheap balls to lose without feeling the financial sting. Beyond that, they have no place in a regular golfer's bag for on-course play.

Verdict: Only for absolute beginners or hitting C-game shots in the backyard.

The Verdict on Playing Used & Lake Balls

Ultimately, whether you play a ball recovered from the water comes down to a personal cost-benefit analysis. A premium brand new ball costs a pretty penny, but it offers guaranteed performance. A water ball is free, but it's a gamble.

For the Casual Player

If you stumble upon a premium ball like a Pro V1, a TP5, or a Chrome Soft lying just inside a water hazard, and it looks clean with no major scuffs, go for it! The tiny performance loss from a week or two underwater won't be nearly as impactful as common swing flaws. For the average golfer, the difference is practically invisible. An older, uglier, or mystery ball? Just leave it.

For the Competitive Player

If you have a lower handicap and are playing a competitive round, stay away from water balls unless you fished it out yourself a few holes earlier. Consistency is everything when scores matter. The mental doubt of whether it was you or the ball that caused a weak shot is not something you want creeping into your thoughts.

Buying Lake Balls

If you're buying lake balls, always aim for the highest grade (often called "Mint," "AAAAA," or "Pearl Grade"). These balls have been inspected and sorted and typically show little to no wear, indicating they likely had a very short stay underwater. Lower grades (AAA or below) are where you find the older, long-submerged, and severely underperforming golf balls.

Final Thoughts

Choosing equipamentos - from clubs to balls - is an important part of playing your best golf. A ball's time in the water has a direct and measurable impact on its performance: a few days is no big deal, a few weeks introduces some minimal yardage loss, and after a few months, it will noticeably underperform. The simplest rule is if you have no idea how long a ball has been submerged, it's best suited for friendly games or your practice bag.

As a coach, I believe smarter on-course decisions lead to lower scores and more fun. While knowing which ball to use is one part of that puzzle, so is having a solid strategy when you're facing a tough tee shot or aren't sure how to play a weird lie from the rough. For those situations, my app, Caddie AI, is designed to give you that expert-level guidance instantly, 24/7. It turns those moments of uncertainty into confident swings by offering clear advice right on your phone, helping you navigate any challenge the course throws at you.