Marine Weather Message
Issued by NWS Medford, OR

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000
WHUS76 KMFR 172230
MWWMFR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
230 PM PST Wed Jan 17 2018

...Strong winds and dangerous seas today into the weekend...

.Gale to storm force south winds ahead of a cold front will
diminish as the front moves onshore this evening. Heavy very
steep westerly swell will follow the front tonight into
Thursday. Seas will peak near 30 feet Thursday. Seas will
remain heavy with weaker systems moving through Thursday
night into Friday. Mariners are urged to use extreme caution
or remain in port until this period of stormy weather ends.

PZZ370-181130-
/O.CON.KMFR.GL.W.0004.000000T0000Z-180118T0300Z/
/O.CON.KMFR.SR.W.0001.000000T0000Z-180118T0300Z/
/O.CON.KMFR.SE.W.0005.180118T0300Z-180120T1200Z/
Waters from Florence to Cape Blanco OR from 10 to 60 nm-
230 PM PST Wed Jan 17 2018

...STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...
...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
   TO 4 AM PST SATURDAY...

* Winds...South gales 40 to 45 kt with occasional storm force
  gusts of 55 kt. Winds will become southwest and ease to 20 to 30
  kt tonight into Thursday.

* Seas...Wind waves combined with west swell will produce seas of
  20 to 24 feet through this evening. West swell will build to a
  peak of 28 to 32 feet late tonight and Thursday. Seas will begin
  to subside Thursday night, but will remain elevated through
  Friday night.

* Areas affected and timing...All areas will be affected by
  gales today with storm force winds most likely beyond about 15
  NM from shore out to around 50 NM from shore. Dangerous seas
  will impact all areas tonight through Friday night.

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/hazard

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Storm Warning means winds of 48 to 63 knots along with
extremely steep and dangerous seas are imminent or occurring.
Recreational boaters should remain in port, or take shelter until
winds and waves subside. Commercial vessels should prepare for
very strong winds and dangerous sea conditions, and consider
remaining in port or taking shelter in port until winds and waves
subside.

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

A Hazardous Seas Warning means very steep and hazardous sea
conditions are imminent or occurring. Recreational boaters should
remain in port, or take shelter until waves subside.  Commercial
vessels should prepare for rough seas and consider remaining in
port or taking shelter in port until hazardous seas subside.

&&

$$

PZZ350-356-376-181130-
/O.CON.KMFR.GL.W.0004.000000T0000Z-180118T0300Z/
/O.CON.KMFR.SE.W.0005.180118T0300Z-180120T1200Z/
Coastal waters from Florence to Cape Blanco OR out 10 nm-
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-
230 PM PST Wed Jan 17 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 7 PM THIS
   EVENING TO 4 AM PST SATURDAY...

* Winds...South gales 30 to 40 kt with occasional gusts to near 50
  kt. Winds will become southwest and ease to 15 to 25 kt tonight
  into Thursday.

* Seas...Wind waves combined with west swell will produce seas of
  16 to 24 feet through this evening. West swell will build to a
  peak of 26 to 30 feet late tonight and Thursday. Seas will begin
  to subside Thursday night, but will remain elevated through
  Friday night.

* Areas affected...All areas will be affected by gales and very
  steep, hazardous seas today with the highest winds and steepest
  seas beyond 5 NM from shore. Dangerous seas will impact all
  areas tonight through Friday night.

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/hazard

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

A Hazardous Seas Warning means very steep and hazardous sea
conditions are imminent or occurring. Recreational boaters should
remain in port, or take shelter until waves subside.  Commercial
vessels should prepare for rough seas and consider remaining in
port or taking shelter in port until hazardous seas subside.

&&

$$

http://www.weather.gov/medford


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