Can You Be Arrested for DWI on a Boat? The Legal Reality

Can you get a DWI on a boat? That’s a question more people should be asking—especially in states like Texas, where recreational boating is a way of life. Picture this: you’re out on the lake with friends, the sun is shining, music is playing, and cold beers are being passed around. It feels like freedom. But what many don’t realize is that the same rules that apply to cars on highways also apply to boats on water. In fact, getting a DWI on a boat isn’t just possible—it’s more common than you think. And yes, you can be arrested.

The legal term for a boating-related DWI in many jurisdictions, including Texas, is Boating While Intoxicated (BWI). While it may sound like a watered-down version of a traditional DWI, don’t be fooled. The consequences can be just as severe—fines, jail time, and a criminal record that could follow you for years. So let’s dig into the legal reality of can you get a DWI on a boat, the myths surrounding it, and what you need to know to stay safe and out of trouble.

Boating Isn’t a Free Pass: The Law Says Otherwise

You might think boating gives you more leeway. No traffic lights, no lanes, no cars zipping by—just wide-open water. But state law enforcement doesn’t see it that way. In Texas and many other states, the Texas Parks and Wildlife Code makes it crystal clear: operating a watercraft while intoxicated is illegal. That means if you’re impaired by alcohol, drugs, or a combination of both while in control of a boat, you can be charged with BWI.

And here’s the kicker—can you get a DWI on a boat doesn’t just refer to large vessels. It applies to anything motorized on the water:

  • Jet skis
  • Fishing boats
  • Pontoon boats
  • Sailboats (if motorized)

In short, if it moves and you’re steering it while impaired, you’re a candidate for arrest.

What Counts as “Intoxicated” on the Water?

Just like a DWI on the road, boating laws hinge on the concept of legal intoxication. In Texas, the threshold is a blood alcohol concentration (BAC) of 0.08%. If your BAC hits or exceeds that level while operating a boat, you’re presumed intoxicated under the law.

However, there’s a twist: can you get a DWI on a boat doesn’t only depend on BAC. You can also be charged if you show loss of normal mental or physical faculties due to alcohol or drug use—even without a breath test. Law enforcement officers are trained to spot signs like:

  • Slurred speech
  • Erratic behavior
  • Poor coordination
  • Red or glassy eyes

So even if you refuse to blow into a breathalyzer, you might still end up in cuffs.

Real Case: A July 4th Gone Wrong

Let’s talk about Jason—a 32-year-old father of two from Lake Travis. On the Fourth of July, he took his family and friends out on his brand-new speedboat. The day was perfect, and drinks flowed freely. By evening, he was guiding the boat back to the dock when park rangers flagged him down for a routine safety check.

Jason laughed it off, thinking he hadn’t done anything wrong. But the rangers noticed he slurred his words and fumbled with the life vest checklist. They conducted field sobriety tests right there on the dock. Within minutes, Jason was arrested for boating while intoxicated. His BAC? 0.10%.

He spent the night in jail. His boat was impounded. And what was supposed to be a celebratory memory turned into a cautionary tale about how easily you can get a DWI on a boat—even if no one got hurt.

Field Sobriety Tests on Water: Yes, They’re a Thing

Another misconception people have is that field sobriety tests only happen on dry land. Not true. In fact, can you get a DWI on a boat often comes down to how you perform during these assessments. Water patrol officers—like game wardens and sheriffs—are trained to administer marine-adapted sobriety tests.

These may include:

  • Counting backwards
  • Following simple instructions
  • Balancing on one leg (performed on land after docking)
  • The horizontal gaze nystagmus test (eye movement)

Keep in mind, performing these tests after hours in the sun—possibly dehydrated or seasick—can be difficult even for sober individuals. That’s why officers are also trained to observe your behavior holistically, not just rely on test results.

Can You Get a DWI on a Boat If You’re Not Driving?

This is where it gets tricky. Passengers can legally drink on a boat—just like in a party bus or limo—because the vehicle isn’t on public roadways. However, the moment you take the wheel or tiller while under the influence, you’re subject to DWI laws. So the answer to can you get a DWI on a boat depends on your role.

Even switching drivers mid-ride doesn’t clear your record. If a witness or officer saw you operating the vessel while intoxicated, you could still face dwi charges—even if you hand the controls off before getting stopped. Law enforcement often uses testimony, video footage, or witness statements to piece together who was driving and when.

Underage and on the Water? You’re Still Not Exempt

For minors, the rules are even stricter. Texas has a zero-tolerance policy for anyone under 21 operating a boat while drinking alcohol. A single sip—if detected by officers—can lead to a charge.

Let’s take Maria, a 20-year-old college student in Galveston. She borrowed her uncle’s jet ski and had half a beer before riding across the bay. Her friend was on another jet ski and fell off, prompting officers to check on both. Maria admitted she had one drink—and even though she wasn’t visibly intoxicated, she was cited for minor in possession and faced disciplinary action from her university.

These are real-life consequences. Knowing can you get a DWI on a boat isn’t just important for adults—it’s critical for younger operators too.

Penalties for Boating While Intoxicated

The punishment for a boating DWI mirrors that of a car-related DWI. In Texas, a first offense BWI can result in:

  • Up to $2,000 in fines
  • 180 days in jail
  • Loss of boating and driving privileges
  • Mandatory alcohol education classes

A second or third offense? Even worse. Jail time increases, fines go up, and you may even be charged with a felony. If someone is injured or dies as a result of your impaired boating, you could face intoxication assault or intoxication manslaughter charges—serious felonies with life-altering implications.

This is why understanding can you get a DWI on a boat isn’t just about avoiding tickets—it’s about protecting lives and livelihoods.

What About Open Container Laws on Boats?

Here’s where boating law differs from road rules. In Texas, open containers of alcohol are allowed on boats—unlike in cars, where they’re strictly prohibited. But don’t mistake this for a free-for-all.

Yes, passengers can drink, and you can have a cooler full of beer on board. However, if the person operating the boat is partaking—and impaired—law enforcement won’t hesitate to take action. In other words, just because open containers are legal doesn’t mean intoxicated operation is.

Understanding can you get a DWI on a boat also means recognizing that open containers don’t equal immunity.

Sobriety Checkpoints on the Water

Boating checkpoints are legal and commonly used, especially on holiday weekends. Game wardens and law enforcement teams set up BWI task forces to randomly inspect boats. These stops check for safety equipment, life jackets, registration—and yes, sobriety.

If officers suspect impairment, they’ll initiate testing. Unlike driving checkpoints, refusal to comply on the water can still lead to arrest. Refusing a BAC test during a BWI investigation can trigger automatic boating license suspension and count against you in court.

Many people wrongly assume the lake or river is unregulated. But the presence of law enforcement on the water is real, frequent, and aggressive during peak boating seasons.

Defending Against a Boat DWI Charge

So you were arrested. Now what? If you’ve been charged, the first step is hiring a criminal defense attorney familiar with BWI cases. Just like in car DWI cases, several defenses may apply:

  • Improper testing procedure
  • Lack of probable cause
  • Faulty BAC equipment
  • Medical conditions mimicking intoxication

A seasoned attorney will examine every aspect of the arrest. In Jason’s case (remember our Fourth of July example?), his lawyer was able to reduce the charge to public intoxication after proving the field test was performed improperly.

Understanding can you get a DWI on a boat is important, but knowing how to fight one if you’re wrongly accused is just as critical.

How to Stay Safe and Legal on the Water

Let’s be clear: you can still enjoy the water, the sunshine, and even a few drinks—if done responsibly. Here are some tips to keep your boating trip legal:

  • Designate a sober boat operator—just like a designated driver
  • Space out drinks and stay hydrated
  • Know your location and cooperate with patrol boats
  • Avoid boating after dusk—most accidents and stops happen at night
  • Keep safety equipment easily accessible

If you’re asking, “Can you get a DWI on a boat if I’m careful?”—the answer is, not likely. But “careful” means respecting the law and your limits.

Final Thoughts: What’s the Real Risk?

The real question isn’t just can you get a DWI on a boat—it’s whether the risk is worth it. Every year, families lose loved ones in boating accidents caused by intoxication. People go to jail, lose jobs, and damage their reputations—not because they were malicious, but because they didn’t know the law or thought it didn’t apply.

Water doesn’t wash away legal responsibility. Whether you’re on a lake, river, or coastal waterway, the rules are clear. You can be arrested for DWI on a boat. The penalties are real. And the solution? Awareness, preparation, and sober operation.

At the Law Office of Bryan Fagan, our team of licensed attorneys collectively boasts an impressive 100+ years of combined experience in Family Law, Criminal Law, and Estate Planning. This extensive expertise has been cultivated over decades of dedicated legal practice, allowing us to offer our clients a deep well of knowledge and a nuanced understanding of the intricacies within these domains.