McDade Insurance Brokerage Blog

Wind Driven Rain or Flood Water in a Houston Storm

Written by Charles D. McDade, LUTCF | Jun 3, 2026 11:44:59 AM

Houston Storm Season

Wind Driven Rain or Flood Water, Why It Decides Who Pays Your Claim

Same storm, same house, two completely different policies.

After a hurricane finally moves on and people start cleaning up, one question decides more claims than almost any other. Was it wind, or was it water. Two homes on the same street can take what looks like the same damage and get two completely different answers from their insurance, and the difference is not luck. It is the contract.

In more than twenty years of reading these claims, I have watched this one distinction turn a paid claim into a denied one and back again. The good news is that it is not complicated once someone explains it plainly. At claim time, the cause of the water decides who pays.

If rain blows into my house during a hurricane, is it wind damage or flood?

It depends on how the water got in, and that decides which policy pays. If wind tears open the roof or breaks a window and rain comes through that opening, it is generally a wind claim on your homeowners policy. If water rises off the ground, from the street, a bayou, or storm surge, and comes in at floor level, that is flood, which your homeowners policy excludes and only a separate flood policy covers.

Same storm, same house, two different policies. Knowing which one responds is the difference between a paid claim and a denied one.

The cause of the water decides who pays

This is the single most misunderstood thing about storm claims, and carriers and homeowners argue about it constantly. Your homeowners policy covers wind. A separate flood policy covers rising water. The dividing line is how the water reached your home.

If a hurricane rips shingles off the roof or shatters a window and rain pours through that wind created opening, the damage generally falls under your homeowners policy as a wind claim. The wind made the hole, and the rain followed it in.

If water rises up from the ground, off the street, out of a bayou, or in from storm surge, and enters your home at floor level, that is a flood. A standard homeowners policy excludes rising water, so the only thing that responds is a separate flood policy through the National Flood Insurance Program or a private flood carrier. We walk through the timing and the maps on that coverage in the companion post on why you cannot wait for a named storm to buy flood insurance.

Where it gets complicated, and why both policies matter

In a hurricane the two causes rarely stay in their lanes. Wind opens the roof while water rises in the street, and the same house takes damage from both at the same time. That overlap is where claims get contested.

Storm surge is the clearest example. Surge is wind pushing seawater inland, but for insurance purposes it is treated as flood, so it is covered by a flood policy and excluded by your homeowners policy. Many policies also carry what is called an anti concurrent causation clause. It means that when a covered cause like wind and an excluded cause like flood combine to damage the same part of your home, the carrier can apply the flood exclusion to that damage. In plain terms, the water side of a mixed loss falls to your flood policy, not your homeowners policy.

The storm does not care which policy you skipped.

This is the heart of why we tell Houston families to carry both. If you only have homeowners, the rising water is yours to pay. If you only have flood, the wind damage is yours to pay. One storm can hand you both kinds of damage and two separate deductibles, and the only protection against that is to carry both coverages before the season starts.

What to do, before and after the storm

Two things protect you, and the first one has to happen before a cloud is in the sky.

Before the storm, carry both coverages and know what each one does. Your homeowners policy for wind, a separate flood policy for rising water, each with its own deductible. If you are not sure you carry both, that is a conversation worth having now, while there is still time to add the one you are missing.

After the storm, document the cause, not just the damage. Photograph the wind opening and the water line. Note when the wind hit and when the water rose. Because the cause decides who pays, that record is what turns a contested claim into a paid one, and it is what a good broker uses to get you to the right company with the right claim the first time.

This is what we mean when we say we translate the contract before claim time. The worst moment to learn which policy covers what is while you are standing in the water, holding a denial letter. About 40 percent of the time we tell families their coverage is already where it should be. The rest of the time, we would rather close the gap now than explain it later.

Wind versus flood claim questions

If rain blows into my house during a hurricane, is it wind or flood damage?

It depends on how the water got in. If wind tears open the roof or breaks a window and rain comes through that opening, it is generally a wind claim on your homeowners policy. If water rises off the ground, from the street, a bayou, or storm surge, that is flood, which your homeowners policy excludes and only a separate flood policy covers.

Does my homeowners policy cover flood water?

No. A standard Texas homeowners policy excludes rising flood water. Flood is covered only by a separate policy, through the National Flood Insurance Program or a private flood carrier.

Is storm surge covered by homeowners or flood insurance?

Storm surge is wind pushing seawater inland, but for insurance purposes it is treated as flood. That means surge is covered by a flood policy and excluded by your homeowners policy, which is one more reason coastal and inland Houston homes alike should carry flood coverage.

Can my home have both wind and flood damage in one storm?

Yes, and it happens often in a hurricane. Wind can open the roof while water rises in the street, and the two are paid by two different policies with two different deductibles. If you carry only one of them, the other loss comes out of your own pocket.

What is anti concurrent causation?

It is a clause in many homeowners policies stating that when a covered cause like wind and an excluded cause like flood combine to damage the same part of your home, the carrier can apply the flood exclusion to that damage. In plain terms, the water side of a mixed loss falls to your flood policy, not your homeowners policy.

How do I prove whether wind or flood caused the damage?

Document the cause, not just the damage. Photograph the wind opening and the water line, and note when the wind hit and when the water rose. Because the cause decides which policy pays, that record is often what turns a contested claim into a paid one.

About the author

Charles McDade, LUTCF, is the founder of McDade Insurance Brokerage Group and a board member of the Independent Insurance Agents of Houston. He started his insurance career at Liberty Mutual, where over six years he became a top personal lines producer, selling auto, home, and life across the Houston area, before opening his own independent agency in 2020. He has lived every storm he writes about, from the Rita evacuation as a teenager to watching his own Kingwood workplace flood during Harvey. McDade Insurance was recognized as a Travelers S.T.A.R Agency for 2026.

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