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Gale Warning


URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
313 PM PDT Thu Sep 18 2025

PZZ470-190615-
/O.CON.KEKA.GL.W.0041.000000T0000Z-250919T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
313 PM PDT Thu Sep 18 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas
  13 to 18 feet.

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

* WHEN...Until 3 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
253 PM PDT Thu Sep 18 2025

California waters-
Inner waters from  60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PZZ820-191030-
Point St. George to Point Arena between 60 NM and 150 NM
offshore-
253 PM PDT Thu Sep 18 2025

...GALE WARNING...

.TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
11 to 17 ft.
.FRI...N winds 20 to 30 kt. Seas 8 to 14 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT...N winds 5 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...N winds 5 to 15 kt. Seas 5 to 7 ft.
.SUN...N to NW winds 5 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft.
.MON...N winds 15 to 25 kt. Seas 8 to 10 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE...N winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE NIGHT...N winds 10 to 20 kt. Seas 7 to 8 ft.

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
218 PM PDT Thu Sep 18 2025

PZZ356-376-191030-
/O.CON.KMFR.GL.W.0024.000000T0000Z-250919T1800Z/
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-
218 PM PDT Thu Sep 18 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM PDT FRIDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas
  10 to 14 ft expected.

* WHERE...All areas.

* WHEN...Until 11 AM PDT Friday.

* IMPACTS...Strong winds and very steep seas could capsize or
  damage vessels. Bar crossing could be especially dangerous.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid strong winds and very steep
seas. Remain in port, seek safe harbor, alter course, and/or
secure the vessel for severe conditions.

&&

$$


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
218 PM PDT Thu Sep 18 2025

PZZ350-191030-
/O.CON.KMFR.SC.Y.0076.000000T0000Z-250919T1800Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
218 PM PDT Thu Sep 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and steep
  seas 8 to 10 ft.

* WHERE...All areas.

* WHEN...Until 11 AM 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
218 PM PDT Thu Sep 18 2025

PZZ370-191030-
/O.CON.KMFR.SE.W.0034.000000T0000Z-250919T1800Z/
/O.CON.KMFR.SC.Y.0076.000000T0000Z-250919T1800Z/
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
218 PM PDT Thu Sep 18 2025

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 11 AM PDT
FRIDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt. For the
  Small Craft Advisory, steep seas 8 to 11 ft. For the Hazardous
  Seas Warning, very steep and hazardous seas 10 to 12 ft.

* WHERE...All areas, except for the Hazardous Seas Warning, mainly
  beyond 20 NM from shore and south of Cape Arago.

* WHEN...Until 11 AM PDT Friday.

* IMPACTS...Steep to very steep and hazardous seas could capsize
  or damage vessels.

* 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 Portland OR
210 PM PDT Thu Sep 18 2025

PZZ251>253-271>273-191200-
/O.CON.KPQR.SC.Y.0099.000000T0000Z-250919T1200Z/
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
210 PM PDT Thu Sep 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY...

* WHAT...Seas 7 to 10 ft at 11 seconds and north winds 15 to 25
  kt with gusts up to 30 kt.

* WHERE...Coastal Waters from Cape Shoalwater to Florence out 60
  NM.

* WHEN...Until 5 AM 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.

&&

$$


Hazardous Seas Warning


URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
313 PM PDT Thu Sep 18 2025

PZZ450-190615-
/O.CON.KEKA.SE.W.0030.000000T0000Z-250919T1000Z/
Pt St George to Cape Mendocino out 10 nm-
313 PM PDT Thu Sep 18 2025

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

* WHAT...Very steep and hazardous seas 9 to 12 feet.

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

* WHEN...Until 3 AM PDT Friday.

* IMPACTS...Very steep and hazardous seas could capsize or cause
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
218 PM PDT Thu Sep 18 2025

PZZ370-191030-
/O.CON.KMFR.SE.W.0034.000000T0000Z-250919T1800Z/
/O.CON.KMFR.SC.Y.0076.000000T0000Z-250919T1800Z/
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
218 PM PDT Thu Sep 18 2025

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 11 AM PDT
FRIDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt. For the
  Small Craft Advisory, steep seas 8 to 11 ft. For the Hazardous
  Seas Warning, very steep and hazardous seas 10 to 12 ft.

* WHERE...All areas, except for the Hazardous Seas Warning, mainly
  beyond 20 NM from shore and south of Cape Arago.

* WHEN...Until 11 AM PDT Friday.

* IMPACTS...Steep to very steep and hazardous seas could capsize
  or damage vessels.

* 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.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Eureka CA
403 PM PDT Thu Sep 18 2025

CAZ108-182330-
Southern Trinity CA-
403 PM PDT Thu Sep 18 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL TRINITY COUNTY
UNTIL 430 PM PDT...

At 403 PM PDT, Doppler radar was tracking a strong thunderstorm 20
miles south of Peanut, or 27 miles south of Hayfork, moving
northwest at 10 mph.

HAZARD...Half inch size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
  Mainly rural areas of South Central Trinity County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead
to flash flooding. Do not drive your vehicle through flooded
roadways.

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.

&&

LAT...LON 4020 12303 4014 12306 4019 12329 4032 12320
TIME...MOT...LOC 2303Z 117DEG 7KT 4019 12309

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

$$

DB

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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