More for Hawaii: Highest flood risk cities · Hawaii live outlook
Current risk outlook
Flooding and heavy rain risk for Waipio, HI.
Live sources checked just now. Refreshes every 5–40 minutes.
This view focuses on street flooding, ponding in low-lying areas, and how heavy rain tends to behave around this city.
Live risk outlook
LOWLow
Next 6–24 hours: Today: Low (16/100) · Rain 16% · 0.1 in · Max wind 21 mph.
1 active alert nearby.
Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.
Local decision support
Next 24–72 hours: risk-to-action packet
Baseline
28/100
Moderate long-term exposure
Live signal
Low
Current source-derived signal
Official alerts
1
active local alert
Practical, non-emergency steps
- STEP 1
Reduce water entry points
Clear gutters, drains, and low-area grates when it is safe to do so, and move valuables from low storage areas.
- STEP 2
Document before conditions change
Keep current photos of the exterior and important records in an accessible place for a later coverage conversation.
- STEP 3
Follow local flood direction
Do not use this packet for route, evacuation, or floodwater decisions; follow official local and NWS alerts instead.
Official source links
This packet supports preparation conversations. It is not an emergency alert, evacuation instruction, insurance quote, property inspection, or medical guidance. Follow official local instructions for time-sensitive decisions.
Historical risk score
Long-term baseline derived from historical hazard activity.
28
/ 100
For typical homes located in Waipio, HI.
Baseline context
FEMA NFHL flood zones: 3 features intersect this tile.
Compare other local risks
See how Waipio scores across each hazard model.
City snapshot
All hazards combined
Wind risk
Roof stress and gust-driven damage
AQI risk
Current air quality and AQI signal
Lightning risk
Thunderstorm and strike exposure
Wildfire risk
Fuels, dryness, and fire potential
Tornado risk
Historic tornado corridor exposure
Hail risk
Hail frequency and roof impact potential
Local historical hazard map
Waipio, HI
Click a tile to update scores. These layers show long-term historical baseline risk, not live warnings or short-term forecast risk.
Live flood alerts & official forecast (NWS)
Forecast office: HFO · radar PHMO
Active alerts near Waipio
Wind Advisory
Effective local time
Wind Advisory issued September 26 at 5:04PM HST until September 27 at 6:00PM HST by NWS Honolulu HI
Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages.
Protect your home before the next storm
Turn today’s risk into a checklist for your home.
Coverage request
Keep local storm exposure with the coverage questions you want to ask.
Home-protection request
Record roof, window, or hardening work you are considering around local risk.
Emergency prep essentials guide
Build a storm kit and action checklist in 30 minutes.
Flood intelligence snapshot
FEMA flood zones (NFHL)
Dominant zone: X (95% of features)
SFHA share: 4% (feature-weighted)
NFHL features in tile: 483
Tile risk label: Low
Source: FEMA NFHL (MapServer).
Nearest river gauge (USGS)
Waiawa Str nr Pearl City, Oahu, HI (16216000)
Discharge: 2 ft3/s
Observed: local time
Distance from Waipio: 2 mi
Source: USGS NWIS (instant values).
Soil saturation (model)
Soil moisture: 12% volumetric
Last 24h rain: 0.07 in
Updated: local time
Source: Open-Meteo soil model (proxy).
Protect your home before the next storm
Turn today's flood exposure into a checklist for drains, valuables, and coverage in Waipio, HI.
Coverage request
Keep local storm exposure with the coverage questions you want to ask.
Home-protection request
Record roof, window, or hardening work you are considering around local risk.
Emergency prep essentials guide
Build a storm kit and action checklist in 30 minutes.
5-day flood & rain outlook
Today
LOWRain chance: 16% · 0.1 in
Max wind: 21 mph
Risk score: 16/100
Tomorrow
LOWRain chance: 15% · 0.0 in
Max wind: 23 to 26 mph
Risk score: 16/100
Mon
LOWRain chance: 6% · 0.0 in
Max wind: 15 mph
Risk score: 12/100
Tue
LOWRain chance: 12%
Max wind: 13 mph
Risk score: 15/100
Wed
LOWRain chance: 34%
Max wind: 14 mph
Risk score: 24/100
Outlook blends NWS forecast, WPC QPF totals, and Excessive Rainfall Outlook categories.
Historical flooding exposure
Local flood data facts
Data from FEMA NFHL, USGS gauges, and Open-Meteo soil moisture.
Historical flooding exposure in Waipio
- Lowest-lying streets and drainage chokepoints tend to flood first during heavy rain.
- Long-duration rainfall can raise ponding risk even without a named storm.
- Local elevation and canal/river networks can amplify or reduce flood impacts.
Flood & storm risk FAQs for Waipio
Does Waipio flood often?
Flooding risk depends on elevation, drainage, and rainfall intensity. This model summarizes localized flood patterns from public datasets.
What causes street flooding without a storm surge?
Short bursts of heavy rain can overwhelm drains; longer events can saturate soils and keep water standing even after rain ends.