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Hazardous Seas Warning


URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
230 PM PST Thu Jan 18 2018

PZZ350-356-370-376-191130-
/O.CON.KMFR.SE.W.0005.000000T0000Z-180120T1200Z/
/O.NEW.KMFR.GL.A.0003.180121T0600Z-180122T0000Z/
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 Florence to Cape Blanco OR from 10 to 60 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
230 PM PST Thu Jan 18 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PST
   SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
   AFTERNOON...

The National Weather Service in Medford has issued a Gale Watch...
which is in effect from Saturday evening through Sunday
afternoon.

* Winds...Southwest winds 15 to 25 kt will diminish to 10 to 20 kt
  Friday. Winds will become south and increase to 30 to 40 kt late
  Saturday night into Sunday.

* Seas...West swell 26 to 28 feet will subside to 19 to 20 feet
  Friday morning, to 17 to 18 feet Friday night, then to 11 to 13
  feet Saturday evening. Seas will then build again ahead of an
  incoming cold front.

* Areas affected...Dangerous seas will impact all areas through
  Friday night. Gale force winds will affect nearly all areas
  Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

&&

$$

http://www.weather.gov/medford

Urgent - Marine Weather Message
National Weather Service Eureka CA
217 PM PST Thu Jan 18 2018

PZZ450-455-470-475-190630-
/O.CON.KEKA.SE.W.0002.000000T0000Z-180120T1800Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
217 PM PST Thu Jan 18 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* WAVES...20 to 25 feet, 18 seconds through early Friday morning.
  Seas will very gradually decrease over the weekend, but will
  remain above 15 feet through at least Saturday. Seas are
  expected to increase again Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Seas Warning means 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.

&&

$$

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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