079  
WHUS76 KSEW 041015  
MWWSEW  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SEATTLE WA  
315 AM PDT TUE AUG 4 2026  
 
PZZ156-176-041815-  
/O.EXP.KSEW.SC.Y.0108.000000T0000Z-260804T1000Z/  
/O.NEW.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER OUT 10 NM-  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER 10 TO  
60 NM-  
315 AM PDT TUE AUG 4 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM PDT  
WEDNESDAY...  
 
* WHAT...SEAS 6 TO 8 FEET AT 6 TO 7 SECONDS.  
 
* WHERE...COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER  
OUT 10 NM AND COASTAL WATERS FROM POINT GRENVILLE TO CAPE  
SHOALWATER 10 TO 60 NM.  
 
* WHEN...FROM NOON TODAY TO 2 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.  
 
 
 
 
 
PZZ150-153-170-173-041815-  
/O.NEW.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/  
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 CAPE FLATTERY TO JAMES ISLAND 10 TO 60 NM-  
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE 10 TO 60 NM-  
315 AM PDT TUE AUG 4 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM PDT  
WEDNESDAY...  
 
* WHAT...SEAS 6 TO 8 FEET AT 6 TO 7 SECONDS.  
 
* WHERE...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 CAPE FLATTERY TO JAMES ISLAND 10 TO  
60 NM AND COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE  
10 TO 60 NM.  
 
* WHEN...FROM NOON TODAY TO 2 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.  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT  
HTTP://WEATHER.GOV/SEATTLE  
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