Severe Center
Washington D.C & Central Maryland & N. Virginia & E. West Virginia Warnings, Watches, And Advisories Flood Advisory
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Flood Advisory
In effect:
Friday, Apr 17 2026 12:25 PM – Friday, Apr 17 2026 3:30 PM
Issued by NWS San Juan PR
FLOOD ADVISORY IN EFFECT UNTIL 330 PM AST THIS AFTERNOON
What:
Flooding caused by excessive rainfall is expected.
Flooding caused by excessive rainfall is expected.
Where:
A portion of Puerto Rico, including the following
counties, Cabo Rojo, Hormigueros, Las Marias, Maricao, Mayaguez
and San German.
A portion of Puerto Rico, including the following
counties, Cabo Rojo, Hormigueros, Las Marias, Maricao, Mayaguez
and San German.
When:
Until 330 PM AST.
Until 330 PM AST.
Impacts:
Minor flooding in low-lying and poor drainage areas.
Minor flooding in low-lying and poor drainage areas.
Additional Details:
- At 1225 PM AST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 1 inch of rain has
fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
San German, Hormigueros, Lajas, Cabo Rojo, Sabana Grande,
Monte Grande, Puerto Real, Maricao, Sabana Eneas, Betances,
Boqueron and Pole Ojea.
- http://www.weather.gov/safety/flood
- At 1225 PM AST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 1 inch of rain has
fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
San German, Hormigueros, Lajas, Cabo Rojo, Sabana Grande,
Monte Grande, Puerto Real, Maricao, Sabana Eneas, Betances,
Boqueron and Pole Ojea.
- http://www.weather.gov/safety/flood
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Areas Impacted:
Cabo Rojo, PR
Hormigueros, PR
Las Marias, PR
Maricao, PR
Mayaguez, PR
San German, PR
Flood Advisory
In effect:
Friday, Apr 17 2026 11:35 AM – Friday, Apr 17 2026 2:45 PM
Issued by NWS San Juan PR
FLOOD ADVISORY IN EFFECT UNTIL 245 PM AST THIS AFTERNOON
What:
Urban and small stream flooding caused by excessive
rainfall is expected.
Urban and small stream flooding caused by excessive
rainfall is expected.
Where:
A portion of Puerto Rico, including the following
counties, Bayamon, Dorado, Guaynabo, Gurabo, San Juan, Toa Alta,
Trujillo Alto and Vega Alta.
A portion of Puerto Rico, including the following
counties, Bayamon, Dorado, Guaynabo, Gurabo, San Juan, Toa Alta,
Trujillo Alto and Vega Alta.
When:
Until 245 PM AST.
Until 245 PM AST.
Impacts:
Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
Additional Details:
- At 1135 AM AST, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream
flooding. Between 0.5 and 1 inch of rain has fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
San Juan, Bayamon, Guaynabo, Toa Alta, Trujillo Alto, Gurabo,
Vega Alta, Pajaros, Candelaria, Galateo, H. Rivera Colon, Rio
Lajas, Celada and Mucarabones.
- http://www.weather.gov/safety/flood
- At 1135 AM AST, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream
flooding. Between 0.5 and 1 inch of rain has fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
San Juan, Bayamon, Guaynabo, Toa Alta, Trujillo Alto, Gurabo,
Vega Alta, Pajaros, Candelaria, Galateo, H. Rivera Colon, Rio
Lajas, Celada and Mucarabones.
- http://www.weather.gov/safety/flood
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Areas Impacted:
Bayamon, PR
Dorado, PR
Guaynabo, PR
Gurabo, PR
San Juan, PR
Toa Alta, PR
Trujillo Alto, PR
Vega Alta, PR
Flood Advisory
In effect:
Thursday, Apr 16 2026 10:28 PM EDT – Saturday, Apr 18 2026 11:15 AM EDT
Issued by NWS Marquette MI
FLOOD ADVISORY FOR SNOWMELT REMAINS IN EFFECT UNTIL 1115 AM EDT SATURDAY
What:
Small stream flooding caused by snowmelt continues.
Small stream flooding caused by snowmelt continues.
Where:
A portion of central Upper Michigan, including the
following county, Marquette.
A portion of central Upper Michigan, including the
following county, Marquette.
When:
Until 1115 AM EDT Saturday.
Until 1115 AM EDT Saturday.
Impacts:
Minor flooding in low-lying and poor drainage areas.
River or stream flows are elevated.
Minor flooding in low-lying and poor drainage areas.
River or stream flows are elevated.
Additional Details:
- At 1027 PM EDT, gauge reports indicated snowmelt and some
rainfall over the past few days is causing small stream
flooding. Overflowing poor drainage areas have already caused
minor flooding in the advisory area.
- Some locations that will experience flooding include...
Skandia and Carlshend.
- www.weather.gov/safety/flood
- At 1027 PM EDT, gauge reports indicated snowmelt and some
rainfall over the past few days is causing small stream
flooding. Overflowing poor drainage areas have already caused
minor flooding in the advisory area.
- Some locations that will experience flooding include...
Skandia and Carlshend.
- www.weather.gov/safety/flood
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Areas Impacted:
Marquette, MI
Flood Advisory
In effect:
Thursday, Apr 16 2026 10:19 PM EDT – Monday, Apr 20 2026 8:00 AM EDT
Issued by NWS Marquette MI
FLOOD ADVISORY NOW IN EFFECT UNTIL MONDAY MORNING
The Flood Advisory is extended for the following rivers in
Michigan...
Chocolay River near Harvey affecting Marquette County.
Michigan...
Chocolay River near Harvey affecting Marquette County.
What:
Elevated river levels caused by rain and snowmelt continue.
Elevated river levels caused by rain and snowmelt continue.
Where:
Chocolay River near Harvey.
Chocolay River near Harvey.
When:
Until Monday morning.
Until Monday morning.
Impacts:
At 10.0 feet, Water inundates the entire parking lot at
the M-28 bridge...and the fishing pier begins to be submerged.
Water inundates low lying areas along Timber Lane and Riverside
Road downstream of the river gauge site
At 10.0 feet, Water inundates the entire parking lot at
the M-28 bridge...and the fishing pier begins to be submerged.
Water inundates low lying areas along Timber Lane and Riverside
Road downstream of the river gauge site
Additional Details:
- At 7:00 AM EDT Thursday the stage was 9.8 feet.
- Bankfull stage is 9.0 feet.
- Forecast...The river is expected to rise to a crest of 9.9
feet tomorrow morning.
- Action stage is 9.5 feet.
- Flood stage is 10.0 feet.
- www.weather.gov/safety/flood
- At 7:00 AM EDT Thursday the stage was 9.8 feet.
- Bankfull stage is 9.0 feet.
- Forecast...The river is expected to rise to a crest of 9.9
feet tomorrow morning.
- Action stage is 9.5 feet.
- Flood stage is 10.0 feet.
- www.weather.gov/safety/flood
Instructions:
If you encounter a flooded roadway, turn around and find an
alternative route.
Additional information is available at www.weather.gov/marquette.
The next statement will be issued Friday afternoon at noon EDT.
If you encounter a flooded roadway, turn around and find an
alternative route.
Additional information is available at www.weather.gov/marquette.
The next statement will be issued Friday afternoon at noon EDT.
Areas Impacted:
Marquette, MI