One state, four wind climates. The basic wind speed at a Virginia ZIP can swing 40 mph from an Eastern Shore beach lot to a far-western mountain hollow. We return the exact per-ZIP value under ASCE 7-22.
Virginia is the Atlantic state that refuses to fit one box. Norfolk sizes openings for a Category 2 surge. Chincoteague designs behind a barrier-island dune. Arlington designs to a thunderstorm climate. Wise County wrestles ridge-top topography.
All four follow the same ASCE 7 wind methodology — and WindLoadCalc applies the latest ASCE 7-22 to every one. Picking the right basic wind speed for the ZIP is the calculation. That is the one thing a generic national tool skips.
Six bands span the Commonwealth under ASCE 7-22 Risk Category II. The table summarizes the contour map — the calculator returns the precise per-ZIP figure.
| Region | Sample ZIPs | Risk Cat II speed | Typical exposure |
|---|---|---|---|
| Eastern Shore — Accomack, Northampton Coast | 23336, 23310 | 120-135 mph | D (waterfront) / C |
| Hampton Roads — Norfolk, Va. Beach, Chesapeake Coast | 23510, 23451, 23320 | 115-130 mph | D (Bay/ocean) / C |
| Richmond & Piedmont | 23219, 23220 | 105-115 mph | C / B (urban) |
| Northern Virginia — Arlington, Fairfax, Loudoun | 22030, 22201 | 105-115 mph | B (urban) / C |
| Shenandoah Valley & Blue Ridge | 24011, 22801 | 100-110 mph | C |
| Far-western mountains — Wise, Lee, Buchanan | 24293, 24210 | 95-105 mph | C / B |
Virginia's contour lines were drawn for a national map, not its independent-city patchwork. Two Hampton Roads ZIPs across the Lafayette River can land on opposite sides of one contour — and on different permit authorities.
The calculator resolves the real ZIP and the real reviewing office.
Tidewater and the mountains share a code and share nothing else about wind. Here is the split that drives every Virginia calculation.
115-130 mph, Risk Cat II, with the oceanfront and Chesapeake Bay frontage at the top of the band. Naval Station Norfolk anchors a steady stream of federal and defense-contractor work along that same waterfront.
The trap here is exposure. Sites within about a mile of open water take Exposure D, and the Bay qualifies. Two lots a few hundred feet apart can split between D and C.
Hurricane Isabel (September 2003) is the modern reference event. It did not move the map values; it tightened how the existing standard gets applied on the coast.
95-115 mph across Richmond, NoVA, the Shenandoah Valley and the far west. The design event is a thunderstorm downburst or a weakened tropical remnant, not a hurricane landfall.
Exposure shifts inland: dense urban Richmond and Arlington lean Exposure B; open Valley farmland is Exposure C. The numbers get gentler as you climb west.
Past the Blue Ridge, topographic effects (Kzt) start to bite on ridge-top projects in Wise, Lee and Buchanan — a factor the coast rarely worries about.
Cape Charles to Cumberland Gap, the wind conversation changes every couple hundred miles.
Accomack and Northampton: Chincoteague, Onancock, Cape Charles, the barrier islands. The state's highest speeds. Exposure D dominates — almost nothing stands between water and structure.
Norfolk, Virginia Beach, Chesapeake, Hampton, Newport News, Portsmouth. Naval Station Norfolk drives federal work. Most waterfront sites take Exposure D. Isabel 2003 is the design reference.
Richmond metro, Henrico, Chesterfield, Hanover, and the I-95 run south to Petersburg. Thunderstorm and weakened-tropical regime. Exposure B downtown, C in the suburbs.
Arlington, Fairfax, Loudoun, Prince William, Alexandria, Falls Church. Dense DC-metro market, heavy data-center buildout, busy review queues. Exposure B is common.
Winchester, Harrisonburg, Staunton, Lexington along I-81. Gentler speeds, rural and small-town stock. Open agricultural Exposure C is the default.
Wise, Lee, Buchanan, Tazewell, Dickenson. The state's lowest design speeds — but ridge-top topographic effects (Kzt) finally start to matter here.
WindLoadCalc applies ASCE 7-22 — the most current, conservative edition. Here is what that means for a Virginia submittal.
ASCE 7-22 is the most recent edition of the standard and the most conservative. Running the latest now keeps a design future-proofed as jurisdictions adopt newer editions over time.
We have shipped Virginia wind loads across seven ASCE 7 editions, and we ship ASCE 7-22 today.
ZIP to permit-ready report in five steps.
We resolve the county or independent city and pull the ASCE 7-22 speed for all four risk categories.
Cat II for most homes and mid-rise; Cat III/IV for schools, hospitals and EOCs that scale the speed up.
D near Bay or ocean, B in urban NoVA and Richmond, C for open Valley terrain.
MWFRS plus C&C zone-by-zone, each value annotated with its controlling factor.
Export PDF, Excel or the schedule format. Your Virginia PE seals the final submittal.
No paid testimonials — a verifiable record and a clean ASCE 7-22 print-out.
Norfolk (ZIPs 23510, 23507) and Virginia Beach (23451, 23452) fall in the Hampton Roads coastal band: roughly 115-130 mph for ASCE 7-22 Risk Category II. Oceanfront and Bay-front ZIPs run highest. The calculator returns the exact per-ZIP value.
Yes. Accomack and Northampton counties — Chincoteague, Onancock, Cape Charles, the barrier islands — carry the state's highest design wind speeds: about 120-135 mph for Risk Category II under ASCE 7-22. Exposure D applies broadly there.
Exposure D applies within roughly one mile of unobstructed open water, and the Chesapeake Bay counts. Two waterfront lots a few hundred feet apart can split between D and C. That choice changes the velocity pressure materially.
WindLoadCalc applies the latest ASCE 7-22 — the most current, conservative standard. Virginia building departments commonly reference an earlier ASCE 7 edition, so confirm the accepted edition with your locality before you submit.
Virginia maintains its own statewide code (the USBC) rather than adopting the IBC unmodified. The Board's three-year cycle drifts past the ICC's, plus public comment and amendment drafting. The VCC has run about one IBC cycle behind for years.
No. Virginia has no High Velocity Hurricane Zone and no Miami-Dade-style NOA program. The VCC applies one ASCE 7 wind chapter statewide. What changes by location is the basic wind speed and exposure category.
Isabel made a Category 2 landfall on the Outer Banks in September 2003 and pushed surge into Hampton Roads. The ASCE map values did not change. Enforcement did: stricter flood-zone freeboard, tighter opening protection, broader Exposure D.
Same statewide VCC, same ASCE 7-22 calc, lower numbers. NoVA Risk Category II runs about 105-115 mph — a thunderstorm climate, not a hurricane one. The real difference is the permit queue at Fairfax, Arlington, and Loudoun.
Yes. A structural submittal to a Virginia building official must be sealed by a PE licensed by the Virginia Board (APELSCIDLA). WindLoadCalc produces the numbers, the C&C zone breakdown, and the report your VA PE reviews and seals.
Since 2002, online since 2006 — across seven ASCE 7 editions and every VCC cycle from the Isabel era to the 2021 code. Hampton Roads naval bases, NoVA data centers, Eastern Shore barrier islands: 100% approval over 24 years.
Eastern Shore oceanfront, Naval Station Norfolk, a Fairfax data center, a Roanoke ridge-top — one ZIP lookup, one latest-edition ASCE 7-22 calc, one report your Virginia PE can seal. Or run the free lookup first.
Calculations apply the latest ASCE 7-22 — the most current, conservative standard. Confirm the accepted ASCE 7 edition with your locality before submittal. Reviewed by our in-house Florida-licensed P.E.; VA PE sign-and-seal available through the firm's PE network. Serving wind load professionals since 2002.