Flood risk snapshot · Muir Beach, CA

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Current risk outlook

Flooding and heavy rain risk for Muir Beach, CA.

Live conditions updated 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

LOW

Low

Next 6–24 hours: Today: Low (27/100) · Rain 42% · 0.1 in · Max wind 8 mph.

1 active alert nearby.

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

Historical risk score

Long-term baseline derived from historical hazard activity.

40

/ 100

Flood risk score40/100

For typical homes located in Muir Beach, CA.

Baseline context

FEMA NFHL flood zones: 13 features intersect this tile.

Local historical hazard map

Muir Beach, CA

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: MTR · radar KMUX

Active alerts near Muir Beach

Beach Hazards Statement

Effective local time

Beach Hazards Statement issued May 27 at 7:15PM PDT until May 29 at 3:00AM PDT by NWS San Francisco CA

Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

Flood intelligence snapshot

FEMA flood zones (NFHL)

Dominant zone: X (70% of features)

SFHA share: 26% (feature-weighted)

NFHL features in tile: 209

Tile risk label: Moderate

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: 14% volumetric

Last 24h rain: 0.43 in

Updated: local time

Source: Open-Meteo soil model (proxy).

5-day flood & rain outlook

Today

LOW

Rain chance: 42% · 0.1 in

Max wind: 8 mph

Risk score: 27/100

Tomorrow

LOW

Rain chance: 34% · 0.0 in

Max wind: 7 to 10 mph

Risk score: 24/100

Fri

LOW

Rain chance: 2% · 0.0 in

Max wind: 9 to 15 mph

Risk score: 11/100

Sat

LOW

Rain chance: 2%

Max wind: 8 to 21 mph

Risk score: 11/100

Sun

LOW

Rain chance: 0%

Max wind: 2 to 16 mph

Risk score: 10/100

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

Historical flooding exposure

Local flood data facts

NFHL features in this tile209
Dominant FEMA zoneX (70%)
SFHA share of features26%
Soil moisture (topsoil)14% · 0.43 in rain

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

Historical flooding exposure in Muir Beach

  • 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 Muir Beach

Does Muir Beach 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.