More for Hawaii: Highest flood risk cities · Hawaii live outlook

Current risk outlook

Flooding and heavy rain risk for Olinda, HI.

Some live sources are refreshing; historical context remains available.

This view focuses on street flooding, ponding in low-lying areas, and how heavy rain tends to behave around this city.

Live risk outlook

Refreshing

Live sources refreshing

Use the official sources below for time-sensitive conditions; the score below is not an active warning.

Live alert status is unavailable here; check official sources directly.

Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.

Historical risk score

Long-term baseline derived from historical hazard activity.

27

/ 100

Flood risk score27/100

For typical homes located in Olinda, HI.

Baseline context

FEMA NFHL flood zones: 1 features intersect this tile.

Local historical hazard map

Olinda, HI

Historical baseline tiles

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 PHKM

Active alerts near Olinda

Tropical Cyclone Local Statement

Effective local time

Tropical Cyclone Local Statement issued September 26 at 5:15PM HST by NWS Honolulu HI

High Wind Warning

Effective local time

High Wind Warning issued September 26 at 5:04PM HST until September 27 at 6:00PM HST by NWS Honolulu HI

Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. A High Wind Warning means that winds are expected to be at least 40 mph, with gusts over 60 mph. Stay away from downed power lines.

High Surf Advisory

Effective local time

High Surf Advisory issued September 26 at 1:03PM HST until September 27 at 6:00PM HST by NWS Honolulu HI

Heed all advice from ocean safety officials. When in doubt, don't go out.

Flood intelligence snapshot

FEMA flood zones (NFHL)

Dominant zone: X (88% of features)

SFHA share: 13% (feature-weighted)

NFHL features in tile: 8

Tile risk label: Low

Source: FEMA NFHL (MapServer).

Nearest river gauge (USGS)

No nearby USGS gauges reporting right now.

Source: USGS NWIS (instant values).

Soil saturation (model)

Soil moisture: 19% volumetric

Last 24h rain: 0.51 in

Updated: local time

Source: Open-Meteo soil model (proxy).

5-day flood & rain outlook

Today

MODERATE

Rain chance: 52% · 0.4 in

Max wind: 32 mph

Risk score: 39/100

Tomorrow

LOW

Rain chance: 24% · 0.0 in

Max wind: 20 mph

Risk score: 20/100

Mon

LOW

Rain chance: 34% · 0.0 in

Max wind: 15 mph

Risk score: 24/100

Tue

LOW

Rain chance: 38%

Max wind: 10 mph

Risk score: 25/100

Wed

LOW

Rain chance: 42%

Max wind: 15 mph

Risk score: 27/100

Outlook blends NWS forecast, WPC QPF totals, and Excessive Rainfall Outlook categories.

Historical flooding exposure

Local flood data facts

NFHL features in this tile8
Dominant FEMA zoneX (88%)
SFHA share of features13%
Soil moisture (topsoil)19% · 0.51 in rain

Data from FEMA NFHL, USGS gauges, and Open-Meteo soil moisture.

Historical flooding exposure in Olinda

  • 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 Olinda

Does Olinda 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.