weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Flash Flood Watch


Flood Watch
National Weather Service Sacramento CA
839 AM PDT Wed Sep 18 2024

CAZ015-016-066-068-190500-
/O.NEW.KSTO.FF.A.0002.240918T2000Z-240919T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern Sacramento Valley-Central Sacramento Valley-Northeast
Foothills/Sacramento Valley-Western Plumas County/Lassen Park-
Including the cities of Paradise, Chico, Redding, Quincy, Red
Bluff, Chester, Oroville, and Marysville/Yuba City
839 AM PDT Wed Sep 18 2024

...FLASH FLOOD WATCH FOR THE PARK BURN SCAR IN EFFECT FROM 1 PM PDT
THIS AFTERNOON THROUGH 10 PM PDT THIS EVENING...

* WHAT...Flash flooding and debris flows caused by excessive
  rainfall are possible over the Park burn scar.

* WHERE...A portion of northern California, including the following
  area, the Park Burn Scar.

* WHEN...From 1 PM PDT this afternoon through 10 pm PDT this evening.

* IMPACTS...Heavy rainfall over the Park burn scar is expected up to
  and during the period of the watch. Residents near the Park burn
  scar should prepare for potential flooding impacts. Be sure to
  stay up to date with information from local authorities. Heavy
  rainfall could trigger flash flooding of low-lying areas,
  urbanized street flooding, and debris flows in and near recent
  wildfire burn scars.

* ADDITIONAL DETAILS...
  - National Weather Service Meteorologists are forecasting heavy
    rainfall over the Park burn scar, which may lead to flash
    flooding and debris flows.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

EK


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
336 PM PDT Wed Sep 18 2024

PZZ470-190645-
/O.CON.KEKA.SC.Y.0096.000000T0000Z-240920T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
336 PM PDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas
  7 to 10 feet.

* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.

* WHEN...Until 3 PM PDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
336 PM PDT Wed Sep 18 2024

PZZ475-190645-
/O.CON.KEKA.SC.Y.0096.240919T0400Z-240920T2200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
336 PM PDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 3 PM PDT FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas
  6 to 9 feet expected.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.

* WHEN...From 9 PM this evening to 3 PM PDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
249 PM PDT Wed Sep 18 2024

PZZ350-370-191100-
/O.CON.KMFR.SC.Y.0077.240919T1200Z-240921T0000Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
249 PM PDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM THURSDAY TO
5 PM PDT FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  5 to 7 ft expected.

* WHERE...For waters north of Cape Blanco and from 20 nm to 60
  nm from shore.

* WHEN...From 5 AM Thursday to 5 PM PDT Friday.

* IMPACTS...Gusty winds and/or steep seas could capsize or
  damage smaller vessels.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners and those operating smaller vessels should
remain in port and avoid the area of hazardous conditions.

&&

$$

Visit us at https://www.weather.gov/Medford

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
249 PM PDT Wed Sep 18 2024

PZZ356-376-191100-
/O.CON.KMFR.SC.Y.0077.240919T0000Z-240921T0000Z/
/O.CON.KMFR.SE.W.0047.240919T1200Z-240921T0000Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
249 PM PDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO
5 PM PDT FRIDAY...

* WHAT...For the Small Craft Advisory, north winds 20 to 30 kt
  with gusts up to 25 kt and steep seas 5 to 8 ft. For the
  Hazardous Seas Warning, very steep and hazardous seas 7 to 10
  ft possible with northerly gusts up to 35 kts.

* WHERE...An initial Small Craft Advisory is in place for waters
  south of Port Orford from Wednesday at 5 PM through Thursday
  at 5 AM. From Thursday at 5 AM through Friday at 5 PM, a
  Hazardous Seas Warning is in place for areas south of Pistol
  River and a Small Craft Advisory continues for all other
  waters.

* WHEN...For the Small Craft Advisory, from 5 PM this afternoon
  to 5 PM PDT Friday. For the Hazardous Seas Warning, from 5 AM
  Thursday to 5 PM PDT Friday.

* IMPACTS...Very steep and hazardous seas could capsize or
  damage vessels. Bar crossings will become especially
  treacherous.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for very steep seas and consider remaining in port
until conditions improve.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
202 PM PDT Wed Sep 18 2024

PZZ570-190515-
/O.EXT.KMTR.SC.Y.0168.240919T2200Z-240920T2200Z/
Waters from Point Arena to Point Reyes 10-60 NM-
202 PM PDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 PM THURSDAY TO 3 PM
PDT FRIDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt
  expected.

* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.

* WHEN...From 3 PM Thursday to 3 PM PDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco


Hazardous Seas Warning


URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
249 PM PDT Wed Sep 18 2024

PZZ356-376-191100-
/O.CON.KMFR.SC.Y.0077.240919T0000Z-240921T0000Z/
/O.CON.KMFR.SE.W.0047.240919T1200Z-240921T0000Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
249 PM PDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO
5 PM PDT FRIDAY...

* WHAT...For the Small Craft Advisory, north winds 20 to 30 kt
  with gusts up to 25 kt and steep seas 5 to 8 ft. For the
  Hazardous Seas Warning, very steep and hazardous seas 7 to 10
  ft possible with northerly gusts up to 35 kts.

* WHERE...An initial Small Craft Advisory is in place for waters
  south of Port Orford from Wednesday at 5 PM through Thursday
  at 5 AM. From Thursday at 5 AM through Friday at 5 PM, a
  Hazardous Seas Warning is in place for areas south of Pistol
  River and a Small Craft Advisory continues for all other
  waters.

* WHEN...For the Small Craft Advisory, from 5 PM this afternoon
  to 5 PM PDT Friday. For the Hazardous Seas Warning, from 5 AM
  Thursday to 5 PM PDT Friday.

* IMPACTS...Very steep and hazardous seas could capsize or
  damage vessels. Bar crossings will become especially
  treacherous.

* View the hazard area in detail at https://go.usa.gov/x6hks

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for very steep seas and consider remaining in port
until conditions improve.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE