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Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
830 PM PDT Thu Apr 17 2025

PZZ470-181130-
/O.CON.KEKA.SC.Y.0049.250418T0400Z-250419T1000Z/
/O.CON.KEKA.GL.A.0018.250419T1000Z-250420T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
830 PM PDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
LATE SATURDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 15 to 25 kt
  with gusts up to 35 kt and seas 6 to 9 feet expected. For the
  Gale Watch, north winds 25 to 35 kt with gusts up to 45 kt and
  seas 9 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 AM PDT Saturday.
  For the Gale Watch, from late Friday night through late
  Saturday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
830 PM PDT Thu Apr 17 2025

PZZ475-181130-
/O.CON.KEKA.SC.Y.0049.250419T0400Z-250419T1600Z/
/O.CON.KEKA.GL.A.0018.250419T1600Z-250420T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
830 PM PDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM FRIDAY TO
9 AM PDT SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt
  with gusts up to 35 kt and seas 7 to 10 feet expected. For the
  Gale Watch, north winds 25 to 30 kt with gusts up to 40 kt and
  seas 10 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, from 9 PM Friday to 9 AM
  PDT Saturday. For the Gale Watch, from Saturday morning
  through late Saturday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
824 PM PDT Thu Apr 17 2025

PZZ570-181130-
/O.CON.KMTR.SC.Y.0056.250419T0400Z-250419T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
824 PM PDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM FRIDAY TO
9 AM PDT SATURDAY...

* WHAT...Northwest winds 15 to 20 kt and seas 8 to 10 ft
  expected.

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

* WHEN...From 9 PM Friday to 9 AM PDT Saturday.

* 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
216 PM PDT Thu Apr 17 2025

PZZ350-370-181030-
/O.EXT.KMFR.SC.Y.0042.000000T0000Z-250420T0600Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
216 PM PDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
  steep to very steep and hazardous seas 8 to 10 ft at 8 seconds.

* WHERE...All areas will experience conditions hazardous to
  small craft with very steep and hazardous seas expected south
  of Coos Bay through early this morning.

* WHEN...Until 11 PM PDT Saturday.

* IMPACTS...Gusty winds and 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
216 PM PDT Thu Apr 17 2025

PZZ356-376-181030-
/O.EXT.KMFR.SE.W.0025.000000T0000Z-250420T0600Z/
/O.EXT.KMFR.SC.Y.0042.000000T0000Z-250420T0600Z/
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-
216 PM PDT Thu Apr 17 2025

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 11 PM PDT
SATURDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT SATURDAY...

* WHAT...North winds 20 to 30 kt with gusts to 35 kt and steep
  to very steep and hazardous seas 9 to 12 ft at 8 seconds.

* WHERE...All areas will experience conditions hazardous to small
  craft. Very steep seas are most likely beyond 5 nm from shore
  and south of Port Orford.

* WHEN...Until 11 PM PDT Saturday.

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

* ADDITIONAL DETAILS...North winds could approach or exceed gale
  force from around Gold Beach southward and within 30 NM from
  shore Saturday afternoon and evening with very steep seas up to
  15 feet at 8 seconds.

* 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.

&&

$$

Hazardous Seas Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
216 PM PDT Thu Apr 17 2025

PZZ356-376-181030-
/O.EXT.KMFR.SE.W.0025.000000T0000Z-250420T0600Z/
/O.EXT.KMFR.SC.Y.0042.000000T0000Z-250420T0600Z/
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-
216 PM PDT Thu Apr 17 2025

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 11 PM PDT
SATURDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT SATURDAY...

* WHAT...North winds 20 to 30 kt with gusts to 35 kt and steep
  to very steep and hazardous seas 9 to 12 ft at 8 seconds.

* WHERE...All areas will experience conditions hazardous to small
  craft. Very steep seas are most likely beyond 5 nm from shore
  and south of Port Orford.

* WHEN...Until 11 PM PDT Saturday.

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

* ADDITIONAL DETAILS...North winds could approach or exceed gale
  force from around Gold Beach southward and within 30 NM from
  shore Saturday afternoon and evening with very steep seas up to
  15 feet at 8 seconds.

* 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.

&&

$$

Gale Watch

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
830 PM PDT Thu Apr 17 2025

PZZ470-181130-
/O.CON.KEKA.SC.Y.0049.250418T0400Z-250419T1000Z/
/O.CON.KEKA.GL.A.0018.250419T1000Z-250420T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
830 PM PDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
LATE SATURDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 15 to 25 kt
  with gusts up to 35 kt and seas 6 to 9 feet expected. For the
  Gale Watch, north winds 25 to 35 kt with gusts up to 45 kt and
  seas 9 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 AM PDT Saturday.
  For the Gale Watch, from late Friday night through late
  Saturday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
830 PM PDT Thu Apr 17 2025

PZZ475-181130-
/O.CON.KEKA.SC.Y.0049.250419T0400Z-250419T1600Z/
/O.CON.KEKA.GL.A.0018.250419T1600Z-250420T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
830 PM PDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM FRIDAY TO
9 AM PDT SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt
  with gusts up to 35 kt and seas 7 to 10 feet expected. For the
  Gale Watch, north winds 25 to 30 kt with gusts up to 40 kt and
  seas 10 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, from 9 PM Friday to 9 AM
  PDT Saturday. For the Gale Watch, from Saturday morning
  through late Saturday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
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
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