290  
WHUS76 KSEW 210336  
MWWSEW  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SEATTLE WA  
836 PM PDT FRI APR 20 2018  
 
PZZ131-132-211145-  
/O.CAN.KSEW.SC.Y.0080.000000T0000Z-180421T1000Z/  
/O.CON.KSEW.GL.W.0036.180421T1000Z-180421T1900Z/  
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-  
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-  
836 PM PDT FRI APR 20 2018  
 
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO NOON PDT  
SATURDAY...  
 
* WIND...WEST 25 TO 35 KNOTS.  
 
* WIND WAVES...4 TO 6 FEET.  
 
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.  
 

 
 

 
 
PZZ110-211145-  
/O.NEW.KSEW.RB.Y.0022.180421T1000Z-180422T0100Z/  
GRAYS HARBOR BAR-  
836 PM PDT FRI APR 20 2018  
 
...SMALL CRAFT ADVISORY FOR ROUGH BAR IN EFFECT FROM 3 AM TO 6 PM  
PDT SATURDAY...  
 
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SMALL CRAFT  
ADVISORY FOR ROUGH BAR...WHICH IS IN EFFECT FROM 3 AM TO 6 PM PDT  
SATURDAY.  
 
* COMBINED SEAS...9 TO 11 FEET.  
 
* BAR CONDITION...ROUGH.  
 
* FIRST EBB...900 AM ON SATURDAY MORNING.  
 
* SECOND EBB...1000 PM ON SATURDAY EVENING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY FOR ROUGH BAR MEANS THAT WAVE CONDITIONS  
ARE EXPECTED TO BE HAZARDOUS TO SMALL CRAFT IN OR NEAR HARBOR  
ENTRANCES.  
 

 
 

 
 
PZZ150-153-156-211145-  
/O.EXT.KSEW.SC.Y.0080.000000T0000Z-180422T0100Z/  
COASTAL WATERS FROM CAPE FLATTERY TO JAMES ISLAND OUT 10 NM-  
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE OUT 10 NM-  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER OUT 10 NM-  
836 PM PDT FRI APR 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT SATURDAY
 
 
* WIND...SOUTH WIND 15 TO 25 KNOTS BECOMING WESTERLY 20 TO 30  
KNOTS AFTER MIDNIGHT. EASING TO 10 TO 20 KNOTS SATURDAY  
AFTERNOON.  
 
* SEAS... WIND WAVES 4 TO 6 FEET. WEST SWELL 8 FEET AT 14 SECONDS  
BUILDING TO 10 FEET SATURDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
PZZ170-173-176-211145-  
/O.EXT.KSEW.SC.Y.0081.000000T0000Z-180422T0100Z/  
COASTAL WATERS FROM CAPE FLATTERY TO JAMES ISLAND 10 TO 60 NM-  
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE 10 TO 60 NM-  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER 10 TO  
60 NM-  
836 PM PDT FRI APR 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT SATURDAY
 
 
* WIND...SOUTH WIND 15 TO 25 KNOTS BECOMING WESTERLY 20 TO 30  
KNOTS AFTER MIDNIGHT. EASING TO 5 TO 15 KNOTS SATURDAY  
AFTERNOON.  
 
* SEAS... WIND WAVES 4 TO 6 FEET. WEST SWELL 9 FEET AT 14 SECONDS  
BUILDING TO 12 FEET SATURDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
PZZ133-211145-  
/O.EXT.KSEW.SC.Y.0080.000000T0000Z-180422T0100Z/  
NORTHERN INLAND WATERS INCLUDING THE SAN JUAN ISLANDS-  
836 PM PDT FRI APR 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT SATURDAY
 
 
* WIND...SOUTHEAST 15 TO 25 KNOTS AFTER MIDNIGHT, BECOMING  
SOUTHWEST 20 TO 30 KNOTS EARLY SATURDAY, STRONGEST SOUTH OF THE  
SAN JUAN ISLANDS.  
 
* WIND WAVES...2 TO 5 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
PZZ134-211145-  
/O.EXT.KSEW.SC.Y.0080.000000T0000Z-180422T0100Z/  
ADMIRALTY INLET-  
836 PM PDT FRI APR 20 2018  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT SATURDAY
 
 
* WIND...SOUTH WINDS INCREASING TO 15 TO 25 KNOTS AFTER MIDNIGHT,  
SHIFTING TO NORTHWEST AROUND DAYBREAK SATURDAY.  
 
* WIND WAVES...2 TO 4 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
PZZ130-211145-  
/O.CON.KSEW.SC.Y.0080.000000T0000Z-180421T2200Z/  
WEST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-  
836 PM PDT FRI APR 20 2018  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT  
SATURDAY...  
 
* WIND...BECOMING WEST 20 TO 30 KNOTS EARLY SATURDAY, EASING TO 15  
TO 25 KNOTS AROUND MID-DAY SATURDAY.  
 
* SEAS...WIND WAVES BUILDING TO 2 TO 5 FEET. WEST SWELL 7 FEET AT  
14 SECONDS BUILDING TO 10 FEET SATURDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
PZZ135-211145-  
/O.CON.KSEW.SC.Y.0080.000000T0000Z-180421T1900Z/  
PUGET SOUND AND HOOD CANAL-  
836 PM PDT FRI APR 20 2018  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT  
SATURDAY...  
 
* WIND...SOUTH 15 TO 25 KNOTS LATE TONIGHT AND SATURDAY MORNING.  
 
* WIND WAVES...2 TO 4 FEET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
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