Guides
Wind vs water: the hurricane claim dispute
Your homeowners policy pays for wind and your flood policy for water. When one storm does both, how the damage is split decides who pays, and how to contest it.
A wind-versus-water dispute happens when a hurricane damages a house with both wind and floodwater and the insurers argue over which one did what. Your homeowners policy pays for wind and for rain that enters through a wind-made opening. Your flood policy pays only for damage caused directly by flood. Each insurer has an incentive to say the other one owes, and the damage that falls between their positions is what you end up paying for. Your best card is a record of what happened, and when.
Two policies, two definitions
The fight exists because the two policies are written to be mirror images.
| Homeowners policy (ISO HO-3 as the model) | Flood policy (NFIP Standard Flood Insurance Policy) | |
|---|---|---|
| Pays for | Wind and hail damage to the house, and rain that enters through an opening the wind made | "Direct physical loss by or from flood," in the policy's words |
| Excludes | Flood, surface water, waves, tides and storm surge, "whether or not driven by wind" | Rain, snow, sleet, hail and water spray; theft, fire, explosion, wind and windstorm |
| Deductible that applies | Your wind or hurricane deductible, often a percentage of the dwelling limit | The flood deductible on your declarations page, set separately for building and contents |
The homeowners column follows the ISO HO 00 03 05 11 form; your insurer's own form and state endorsements may differ. The flood column comes from the exclusions in Section V.D of the Standard Flood Insurance Policy_to_part_61) (44 CFR Part 61, Appendix A(1)). Neither policy pays for what the other one covers, so a loss caused by both is two claims, not one.
FEMA's March 2023 fact sheet on wind versus floodwater damage draws the line in plain terms. Water entering from the ground up through storm surge, heavy rainfall or overflow is flood. Rain propelled into a structure by wind is "wind-driven rain" and is not covered by flood insurance, and neither is water that enters through a roof the wind damaged. FEMA tells policyholders they will likely need to file with both insurers and work with several adjusters. The longer background is in hurricane coverage: wind, flood and storm surge.
Where the disputes actually start
Three situations produce most of them.
- Wind opens the house, then surge arrives. Shingles peel off at 2 a.m. and rain soaks the upstairs. The surge reaches the first floor at 8 a.m. Each insurer owes for its own part, but both have reasons to blur the timeline. The anti-concurrent causation clause wording in the homeowners water exclusion, covered in anti-concurrent causation clauses explained, lets an insurer argue that flood contributed "in any sequence" and deny everything.
- Water damage with an unclear source. Wet drywall at ankle height could be rising water or rain blown in through a failed window. The distinction is whether the water came in with the wind through an opening or rose from the ground outside. A water line on exterior walls, debris lines and the pattern of damage between rooms are the evidence.
- Slab claims. The storm leaves a foundation and little else. The homeowner can show the house was there and is gone. Neither side has direct proof of how much was destroyed by wind before the water came.
Why the split is not neutral
When the same company sells your homeowners policy and services your flood policy as a Write Your Own (WYO) insurer, it decides how much of a loss belongs to each. The flood claim is paid from federal funds, the wind claim from the insurer's own money. The Government Accountability Office reviewed this after Hurricane Katrina and, as Insurance Journal reported in February 2008, called it an inherent conflict of interest when a company determines damages on claims it would itself pay. The GAO also found that FEMA did not systematically collect wind and flood claims data together and did not see the procedures insurers used to separate the two.
The allegation that this conflict was acted on reached the U.S. Supreme Court in State Farm Fire & Casualty Co. v. United States ex rel. Rigsby, decided December 6, 2016. Two adjusters alleged that State Farm classified Katrina damage as flood rather than wind so the government would pay. The Court's ruling dealt only with the consequences of a violation of the False Claims Act's seal requirement, as summarized by Faegre Drinker. It did not decide whether the allegations were true. Treat it as a reason the issue gets scrutiny, not as a finding.
The insurer's side deserves a fair hearing. A homeowners insurer cannot pay for surge because the premium never priced it, and a flood adjuster who accepts every wind claim as flood would be spending federal money on a risk the NFIP does not cover. Adjusters also work with thin evidence after a catastrophe, often under heavy caseloads. Not every split in the insurer's favor is bad faith. But the structure is why an independent opinion matters.
What the evidence looks like
| Evidence | What it can show | Who usually has it |
|---|---|---|
| Time-stamped photos and video of roof, windows and ceilings before water arrived | Wind damage happened first | You, if you were home or a neighbor was |
| Exterior water line and debris line | Height and direction of floodwater | Both adjusters; photograph it yourself |
| Weather and tide records | Timing of peak wind and peak surge | NOAA gauges; an engineer can pull them |
| Roof and opening damage patterns | Whether wind opened the building | A contractor or engineer |
| Pre-storm photos, listing photos, aerial imagery | What the structure looked like before | You, your insurer's underwriting file |
| The adjuster's written rationale | How each insurer separated the damage | Ask both insurers |
FEMA has told flood adjusters since 2008 to investigate wind and water separately. Its Bulletin W-08008, "Wind/Water Investigative Tips," and later bulletins, restated in W-12067 of September 14, 2012, stress explaining the wind-versus-water distinction in the adjuster's narrative report. If the flood estimate says nothing about wind damage you can see in your own photos, ask the flood adjuster about it in writing.
Slab claims: how one program handles them
Texas offers a view of how a state handles the worst case. The Texas Windstorm Insurance Association (TWIA and the Texas FAIR Plan: what each covers and when you need them) covers wind and hail and excludes rising water. Under rules the Texas insurance commissioner adopted in 2017 (28 TAC 5.4023 to 5.4041, implementing Insurance Code 2210.578), TWIA's slab-claim guidelines apply to residential slab claims in V zones when TWIA expects at least 500 of them after a named storm, and require a modeled estimate of the percentage of damage each part of a structure took from wind before waves or surge likely destroyed it. The inputs include mobile wind-measurement stations, tide gauges, high-water marks and aerial imagery. TWIA's own text says the estimates are probabilistic and are checked against observations.
Federal law has a version of this. The COASTAL Act, signed July 6, 2012, directs NOAA to produce post-storm wind and water assessments and, if NOAA certifies them as more than 90 percent accurate, FEMA is to use them in a formula to allocate slab losses between wind and flood (Senate Report 115-347). Funding came years after enactment, and we did not find confirmation that the formula is routinely applied to claims. Ask your flood adjuster whether it is.
A worked example (hypothetical)
Say a Gulf Coast home has a $400,000 dwelling limit and a 2% hurricane deductible, which is $8,000. The flood policy has a $2,000 building deductible. After the storm, a contractor and the homeowner agree the wind damaged the roof, soffits and upstairs ceilings, a $30,000 repair. Surge put 3 feet of water through the first floor, a $70,000 repair.
- Fair split: the homeowners policy owes $30,000 minus $8,000, or $22,000. The flood policy owes $70,000 minus $2,000, or $68,000. Total paid: $90,000 of a $100,000 loss.
- Split against the homeowner: the homeowners insurer points to flood "in any sequence" and pays nothing. The flood adjuster writes only the $70,000 first-floor loss and notes that the roof and ceilings are wind. The $30,000 is paid by neither insurer. Total paid: $68,000.
The $22,000 gap is the dispute. Note the deductible effect: had the wind damage been $7,000, the hurricane deductible would have absorbed all of it, and the fight would not be worth having. See hurricane and named-storm deductibles explained for how those percentages work.
What to do
- Report both claims right away, even if you suspect one policy will not pay. A flood claim requires prompt written notice, and you cannot know the final split before the adjusters see the house.
- Document before you clean up. Photograph and video the roof, ceilings, exterior water line and everything you will discard. Tarp the roof and make temporary repairs, but FEMA's fact sheet says not to repair flood damage before the flood adjuster visits. documenting damage: photos, video and receipts and the home insurance claim checklist cover the inventory.
- Ask each adjuster for a written estimate that shows what was assigned to wind, what to flood and why. Compare the two against your own photos.
- Get an independent opinion if the amounts do not add up. A licensed engineer's causation report is the standard tool; see engineering reports and causation disputes. A licensed public adjuster (public adjusters: when to hire one and what they cost) can help negotiate the split but typically charges a percentage.
- Use the right dispute route for each policy. For the homeowners claim, start with a written dispute, then the state insurance department; Florida, for example, runs a claim mediation program (see state mediation programs for homeowners claims). Appraisal (the appraisal clause: settling a claim value dispute) settles dollar disputes, and whether an appraisal panel can decide causation varies by state.
- Watch the flood deadlines. You can appeal an NFIP claim decision to FEMA within 60 days of the decision, under 44 CFR 62.20. A lawsuit must be filed in federal district court within one year of the written denial, and the appeal does not extend that period. The flood policy also sets a proof-of-loss window of 60 days; FEMA has extended it after some disasters, so ask your flood insurer in writing for the current deadline.
Burden of proof is where states differ. An Insurance Journal legal column from 2006 described Mississippi and Louisiana decisions in which showing wind damage shifted the burden to the insurer to prove the water-caused part, while Texas has long placed on the insured the burden of proving a loss was caused by wind. Those are older decisions; if the dispute is large, an attorney who handles first-party property cases in your state can say what the rule is now. Broader steps after a denial are in homeowners claim denied: what to do next, and the storm-day sequence is in filing a homeowners claim after a hurricane.
Key takeaways
- A homeowners policy pays wind and wind-driven rain; a flood policy pays only damage caused directly by flood. A loss from both is two claims with two deductibles.
- The damage that each insurer assigns to the other is the exposure. Ask both for a written explanation of how they separated wind from water.
- Dated photos taken before the water arrived, water lines and weather records are the evidence that matters most. An engineer's report is the standard fix when the two adjusters disagree.
- The NFIP appeal window is 60 days from the decision, and the one-year deadline to sue runs from the written denial and is not extended by an appeal.
- State law on burden of proof and anti-concurrent wording differs. Check your state's rule before accepting a denial in a large claim.