636  
WHUS76 KSEW 121701  
MWWSEW  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SEATTLE WA  
1001 AM PDT TUE AUG 12 2025  
 
PZZ153-156-130115-  
/O.EXB.KSEW.SC.Y.0114.250813T0000Z-250813T0600Z/  
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE OUT 10 NM-  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER OUT 10 NM-  
1001 AM PDT TUE AUG 12 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO  
11 PM PDT THIS EVENING...  
 
* WHAT...NORTHWEST WINDS 15 TO 25 KT.  
 
* WHERE...COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE  
OUT 10 NM AND COASTAL WATERS FROM POINT GRENVILLE TO CAPE  
SHOALWATER OUT 10 NM.  
 
* WHEN...FROM 5 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS 10 FEET OR HIGHER ARE EXPECTED TO PRODUCE HAZARDOUS  
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 
 
 
 
 
PZZ131-132-130115-  
/O.CON.KSEW.SC.Y.0114.250813T0100Z-250813T1200Z/  
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-  
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-  
1001 AM PDT TUE AUG 12 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 5 AM PDT WEDNESDAY...  
 
* WHAT...WEST WINDS 20 TO 30 KT.  
 
* WHERE...CENTRAL U. S. WATERS STRAIT OF JUAN DE FUCA AND EAST  
ENTRANCE U. S. WATERS STRAIT OF JUAN DE FUCA.  
 
* WHEN...FROM 6 PM THIS EVENING TO 5 AM PDT WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS 10 FEET OR HIGHER ARE EXPECTED TO PRODUCE HAZARDOUS  
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 
 
 
 
 
PZZ170-173-176-130115-  
/O.CON.KSEW.SC.Y.0114.000000T0000Z-250814T1300Z/  
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-  
1001 AM PDT TUE AUG 12 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT  
THURSDAY...  
 
* WHAT...NORTHWEST WINDS 20 TO 30 KT AND SEAS 8 TO 13 FT.  
 
* WHERE...COASTAL WATERS FROM CAPE FLATTERY TO CAPE SHOALWATER  
10 TO 60 NM.  
 
* WHEN...UNTIL 6 AM PDT THURSDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
AND/OR SEAS 10 FEET OR HIGHER ARE EXPECTED TO PRODUCE HAZARDOUS  
WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS,  
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID  
NAVIGATING IN THESE CONDITIONS.  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTP://WEATHER.GOV/SEATTLE  
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