California, 2025

Flooding and High Wind in California, November 16 to 18, 2025

November 16 to 18, 2025 · NWS MTR · 15 events in 10 counties and zones

A low pressure system brought rain and winds to the Bay Area and Central Coast on November 16 and 17th. Special Marine Warnings and Special Weather Statements were issued due to isolated thunderstorms causing localized heavy rain and gusty winds.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$10
Crop damage
None recorded
Events
15

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS MTR wrote it up.

A low pressure system brought rain and winds to the Bay Area and Central Coast on November 16 and 17th. Special Marine Warnings and Special Weather Statements were issued due to isolated thunderstorms causing localized heavy rain and gusty winds. The main frontal rain band came through in the overnight hours, with isolated to scattered showers and some thunderstorms continuing into the 17th.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before the first event at Nov 16, 1:43 AM PST, 33 minutes earlier.

Area forecast discussion, Nov 16, 1:43 AM PST, 33 minutes before
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In the hours before

Local storm report, Nov 15, 11:22 PM PST, 2 hours 54 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

10 flood, 3 high wind, 1 heavy rain, 1 strong wind. Local standard time, as filed.

Flood, Monterey

When
November 16, 2:16 AM PST
Where
Monterey County, 0.52 mi NW of Bolsa Knolls to 0.6 mi WNW of Bolsa Knolls
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
36.734, -121.638

Denner Road was flooded between Paul Avenue and San Juan Grade Road.

High Wind, Marin Coastal Range

When
November 16, 10:40 PM PDT to 10:50 PM PDT
Where
Marin Coastal Range forecast zone
Measured
56 kt (64 mph) measured gust
Reported by
Mesonet
Coordinates
38.055, -122.749 (the zone’s center; the record gives no point)

The PG&E station at Pine Mountain Fire Road reported a wind gust of 65 mph.

High Wind, North Bay Interior Mountains

When
November 16, 11:50 PM PDT
Where
North Bay Interior Mountains forecast zone
Measured
56 kt (64 mph) measured gust
Reported by
Mesonet
Coordinates
38.516, -122.626 (the zone’s center; the record gives no point)

The PG&E station at Healdsburg Hills North reported a wind gust of 64 mph.

High Wind, San Francisco Peninsula Coast

When
November 16, 11:10 PM PST to 11:30 PM PST
Where
San Francisco Peninsula Coast forecast zone
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
37.229, -122.183 (the zone’s center; the record gives no point)

The PG&E station at North Peak Access Road reported a wind gust of 60 mph.

Heavy Rain, San Francisco

When
November 17, 12:00 AM PST to November 18, 12:00 AM PST
Where
San Francisco County, 1.89 mi NE of San Francisco
Reported by
COOP Observer
Coordinates
37.770, -122.427

The downtown San Francisco station reported 1.14 inches of rain, breaking the daily record for November 17.

Flood, Alameda

When
November 17, 12:05 AM PST
Where
Alameda County, 2.07 mi N of Alameda to 1.79 mi SSE of Emeryville
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.800, -122.270

Roadway flooding was reported in multiple locations in downtown Oakland, including the Jackson St onramp to northbound Interstate 880, the transition between northbound Interstate 880 to Interstate 980, and the transition between westbound Interstate 580 to eastbound California Highway 24.

Flood, Sonoma

When
November 17, 12:07 AM PST
Where
Sonoma County, 1.48 mi SSW of Santa Rosa to 1.25 mi E of Roseland
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
38.430, -122.710

Roadway flooding was reported on the connectors between eastbound California Highway 12 and northbound US Highway 101 and westbound Highway 12 to southbound Highway 101.

Flood, San Mateo

When
November 17, 12:32 AM PST
Where
San Mateo County, 0.55 mi SW of (Sql)san Carlos Arpt to 0.58 mi SW of (Sql)san Carlos Arpt
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.514, -122.257

Flooding was reported in the number 1, 2, and 3 lanes of southbound US Highway 101 at Holly Street, and in the number 1 and 2 lanes of northbound US Highway 101 between California Highway 92 and Ralston Street.

Flood, San Mateo

When
November 17, 1:01 AM PST to 4:20 AM PST
Where
San Mateo County, 0.58 mi NE of Colma to 0.62 mi NE of Colma
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.686, -122.472

Roadway flooding was reported at the offramp from southbound Interstate 280 at Eastmoore Boulevard. The offramp was completely flooded with 12 inches of water on the road.

Flood, Alameda

When
November 17, 1:05 AM PST
Where
Alameda County, 0.88 mi SW of Castro Vly to 0.73 mi SW of Castro Vly
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.690, -122.080

Flooding was reported in the right three lanes of eastbound Interstate 580 and the offramp to Redwood Road.

Flood, Alameda

When
November 17, 1:13 AM PST
Where
Alameda County, 1.39 mi SE of (Hwd)hayward Arpt to 1.54 mi SE of (Hwd)hayward Arpt
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.656, -122.101

Roadway flooding was reported on the right lane of northbound Interstate 880 just south of Winton Avenue.

Flood, Marin

When
November 17, 1:20 AM PST
Where
Marin County, 0.84 mi SSE of Green Brae to 0.83 mi E of Larkspur
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.938, -122.516

Flooding was reported on northbound US Highway 101 at the Lucky Road offramp.

Flood, San Mateo

When
November 17, 2:06 AM PST
Where
San Mateo County, 1.18 mi NE of San Bruno to 1.1 mi NE of San Bruno
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
37.630, -122.403

Flooding was reported on southbound US Highway 101 north of Millbrae.

Flood, Monterey

When
November 17, 2:25 AM PST
Where
Monterey County, 0.73 mi SE of Posts to 0.86 mi ESE of Posts
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
36.224, -121.760

A slide was reported on California highway 1 at Nepenthe.

Strong Wind, Santa Cruz Mountains

When
November 17, 4:06 AM PST
Where
Santa Cruz Mountains forecast zone
Measured
17 kt (20 mph) estimated gust
Property damage
$10
Reported by
Law Enforcement
Coordinates
37.230, -122.021 (the zone’s center; the record gives no point)

Tree was downed on Empire Grade near the Cal Fire Ben Lomond station.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
Strong Wind
Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2025Every state in 2025This day in weather historyWarnings in California, November 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1299338, 1299456, 1299455, 1299457, 1299454, 1299246, 1299248, 1299249, 1299342, 1299251, 1299343, 1299253, 1299254, 1299257, 1299449.