Marine Weather Message
Issued by NWS Medford, OR

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897
WHUS76 KMFR 230942
MWWMFR

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
242 AM PDT SUN APR 23 2017

...STEEP SEAS GENERALLY EXPECTED INTO TUESDAY MORNING...
...WARNING LEVEL CONDITIONS NORTH OF CAPE BLANCO MONDAY MORNING...

.SEAS WILL REMAIN STEEP AND CONDITIONS ARE EXPECTED TO REMAIN
HAZARDOUS TO SMALL CRAFT ACROSS MOST OF THE AREA INTO TUESDAY
MORNING. A FRONT ARRIVING SUNDAY NIGHT INTO MONDAY MORNING COULD
BRING A BRIEF PERIOD OF GALES MAINLY NORTH OF CAPE BLANCO AND
BEYOND 5 NAUTICAL MILES OF THE COAST, BUT THERE IS HIGHER
CONFIDENCE THAT VERY STEEP SEAS WILL OCCUR MONDAY MORNING. WINDS
WILL DIMINISH MONDAY, BUT SEAS ARE EXPECTED TO REMAIN STEEP
INTO TUESDAY MORNING.

PZZ356-232300-
/O.EXT.KMFR.SC.Y.0041.000000T0000Z-170425T1200Z/
/O.CAN.KMFR.SE.W.0033.170424T0600Z-170425T0600Z/
/O.CAN.KMFR.SW.Y.0044.170424T0600Z-170425T0600Z/
COASTAL WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA OUT 10 NM-
242 AM PDT SUN APR 23 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE
HAZARDOUS SEAS WARNING. THE SMALL CRAFT ADVISORY FOR HAZARDOUS
SEAS HAS BEEN CANCELLED.

* SEAS... 13 SECOND PERIOD WEST SWELL DOMINATED SEAS OF 8 TO 10
  FEET TODAY WILL STEEPEN TONIGHT INTO MONDAY MORNING AS SOUTH
  WIND SEAS BUILD. COMBINED SEAS ARE EXPECTED TO PEAK AT 10 TO 12
  FEET AT 11 SECONDS DURING THE DAY MONDAY. STEEP SEAS ARE
  EXPECTED TO CONTINUE INTO TUESDAY MORNING BEFORE SUBSIDING.

* WINDS...SOUTH WINDS WILL INCREASE SUNDAY NIGHT INTO MONDAY
  MORNING TO 20 TO 30 KT WITH GUSTS 30 TO 40 KT. WINDS ARE
  EXPECTED TO BECOME WESTERLY AROUND SUNRISE MONDAY MORNING AND
  DIMINISH.

* AREAS AFFECTED...THE SMALL CRAFT ADVISORY WILL MAINLY AFFECT
  AREAS BEYOND 5 NM OF THE COAST SOUTH OF GOLD BEACH...AND ALL OF
  THE AREA NORTH OF THAT POINT THROUGH MONDAY MORNING. THEREAFTER,
  SEAS HAZARDOUS TO SMALL CRAFT ARE EXPECTED TO AFFECT ALL AREAS
  THROUGH TUESDAY MORNING.

* VIEW THE HAZARD AREA IN DETAIL AT
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A
POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS.

&&

$$

PZZ376-232300-
/O.EXT.KMFR.SC.Y.0041.000000T0000Z-170425T1200Z/
/O.CAN.KMFR.SE.W.0033.170424T0600Z-170425T0600Z/
WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA FROM 10 TO 60 NM-
242 AM PDT SUN APR 23 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE
HAZARDOUS SEAS WARNING.

* SEAS...13 SECOND PERIOD WEST SWELL DOMINATED SEAS OF 8 TO 11
  FEET TODAY WILL STEEPEN TONIGHT INTO MONDAY MORNING AS SOUTH WIND
  SEAS BUILD. COMBINED SEAS ARE EXPECTED TO PEAK AT 10 TO 12 FEET
  AT 11 SECONDS DURING THE DAY MONDAY. STEEP SEAS ARE EXPECTED TO
  CONTINUE INTO TUESDAY MORNING BEFORE SUBSIDING.

* WINDS...SOUTH WINDS WILL INCREASE SUNDAY NIGHT INTO MONDAY
  MORNING TO 20 TO 30 KT WITH GUSTS 30 TO 40 KT. WINDS ARE
  EXPECTED TO BECOME WESTERLY AROUND SUNRISE MONDAY MORNING AND
  DIMINISH.

* AREAS AFFECTED...ALL AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A
POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS.

&&

$$

PZZ350-370-232300-
/O.EXT.KMFR.SC.Y.0041.000000T0000Z-170425T1200Z/
/O.EXT.KMFR.SE.W.0033.170424T0900Z-170424T1800Z/
COASTAL WATERS FROM FLORENCE TO CAPE BLANCO OR OUT 10 NM-
WATERS FROM FLORENCE TO CAPE BLANCO OR FROM 10 TO 60 NM-
242 AM PDT SUN APR 23 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PDT TUESDAY...
...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 2 AM TO 11 AM PDT
MONDAY...

* SEAS...13 SECOND PERIOD WEST SWELL DOMINATED SEAS OF 8 TO 11
  FEET TODAY WILL STEEPEN TONIGHT INTO MONDAY MORNING AS SOUTH
  WIND SEAS BUILD. COMBINED SEAS ARE EXPECTED TO PEAK AT A STEEP
  TO VERY STEEP 10 TO 14 FEET AT 11 SECONDS OR LESS DURING THE DAY
  MONDAY. STEEP SEAS ARE EXPECTED TO CONTINUE INTO TUESDAY MORNING
  BEFORE SUBSIDING.

* WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 KT LATE SUNDAY
  NIGHT WITH GUSTS 30 TO 40 KT. WINDS COULD BRIEFLY REACH GALES 35
  KT GUSTING TO 45 KT BETWEEN ABOUT 2AM AND 5AM PDT MONDAY MORNING
  BETWEEN 5 AND 25 NAUTICAL MILES FROM THE COAST. WINDS ARE
  EXPECTED TO BECOME WESTERLY AROUND SUNRISE MONDAY MORNING AND
  DIMINISH.

* AREAS AFFECTED...THE ENTIRE AREA WILL BE AFFECTED BY SMALL CRAFT
  ADVISORY CONDITIONS. HAZARDOUS SEAS WARNING CONDITIONS ARE
  EXPECTED BETWEEN 5 AND 55 NAUTICAL MILES OF THE COAST MONDAY
  MORNING.

* VIEW THE HAZARD AREA IN DETAIL AT
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A
POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS.

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.

&&

$$

BTL

HTTP://WWW.WEATHER.GOV/MEDFORD



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