weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
225 PM PDT Sun Sep 21 2025

PZZ455-220530-
/O.CON.KEKA.SC.Y.0098.250922T0100Z-250923T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
225 PM PDT Sun Sep 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 AM PDT TUESDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
  6 to 8 feet expected.

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

* WHEN...From 6 PM this evening to 3 AM PDT Tuesday.

* 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
225 PM PDT Sun Sep 21 2025

PZZ470-220530-
/O.CON.KEKA.SC.Y.0098.250922T1000Z-250923T0600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
225 PM PDT Sun Sep 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 11 PM PDT
MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  8 to 11 feet expected.

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

* WHEN...From 3 AM to 11 PM PDT Monday.

* 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
225 PM PDT Sun Sep 21 2025

PZZ475-220530-
/O.CON.KEKA.SC.Y.0098.250921T2200Z-250923T0600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
225 PM PDT Sun Sep 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  7 to 10 feet expected.

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

* WHEN...Until 11 PM PDT Monday.

* 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 San Francisco Bay Area
225 PM PDT Sun Sep 21 2025

PZZ540-220530-
/O.CON.KMTR.SC.Y.0168.250921T2200Z-250922T1000Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 NM-
225 PM PDT Sun Sep 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...

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

* WHERE...Coastal Waters from Point Arena to Point Reyes
  California out to 10 NM.

* WHEN...Until 3 AM PDT Monday.

* 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

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
225 PM PDT Sun Sep 21 2025

PZZ570-220530-
/O.CON.KMTR.SC.Y.0168.250921T2200Z-250922T2200Z/
Waters from Point Arena to Point Reyes 10-60 NM-
225 PM PDT Sun Sep 21 2025

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

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
  expected.

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

* WHEN...Until 3 PM PDT Monday.

* 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 San Francisco Bay Area
225 PM PDT Sun Sep 21 2025

PZZ571-220530-
/O.CON.KMTR.SC.Y.0168.250921T2200Z-250922T2200Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
225 PM PDT Sun Sep 21 2025

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

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt
  expected.

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

* WHEN...Until 3 PM PDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Frost Advisory


URGENT - WEATHER MESSAGE
National Weather Service Medford OR
512 AM PDT Sun Sep 21 2025

CAZ084-085-ORZ028-029-220015-
/O.CON.KMFR.FR.Y.0002.250922T0300Z-250922T1500Z/
Northeast Siskiyou and Northwest Modoc Counties-Modoc County-
Siskiyou Mountains and Southern Oregon Cascades-Klamath Basin-
Including the cities of Tulelake, Canby, Macdoel, Likely,
Alturas, Dorris, Klamath Falls, Altamont, Newell, and Midland
512 AM PDT Sun Sep 21 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM
PDT MONDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...In California, Modoc County and Northeast Siskiyou and
  Northwest Modoc Counties. In Oregon, Klamath Basin and Siskiyou
  Mountains and Southern Oregon Cascades.

* WHEN...From 8 PM this evening to 8 AM PDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

TD

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