NowCast ZoneCast Warnings/Advisories Hourly Track Special
Yakima, Washington, United States  Lat: 46.59N, Lon: 120.53W
Wx Zone: WAZ027
Warnings, Watches and Advisories:
 

HIGH SURF ADVISORY

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
5 PM PDT SUNDAY...
* TIMING...LARGE WAVES WILL IMPACT THE NORTH AND CENTRAL
WASHINGTON COAST THIS EVENING THROUGH SUNDAY AFTERNOON.
* SEAS...WESTERLY SWELL WITH A DOMINATE PERIOD OF 16 SECONDS
WILL BUILD TO 15 FEET THIS EVENING...AND TO 17 TO 21 FEET LATE
TONIGHT AND SUNDAY MORNING. SWELL WILL BEGIN TO SUBSIDE LATER
SUNDAY AFTERNOON AND EVENING.
* IMPACTS...THIS WEEKEND IS A RAZOR CLAM DIGGING WEEKEND FOR THE
TWIN HARBORS...COPALIS AND MOCLIPS BEACHES. THOSE PLANNING ON
CLAM DIGGING OR OTHER BEACH ACTIVITIES TONIGHT AND SUNDAY
SHOULD BE ALERT FOR WAVES SUDDENLY RACING FARTHER UP THE BEACH
THAN NORMAL.

FLOOD WARNING

FLOOD BULLETIN NO. 33
...THE FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM PDT THURSDAY FOR
NORTH CENTRAL SNOHOMISH COUNTY...
* FLOOD WARNING FOR THE NORTH FORK STILLAGUAMISH RIVER EAST OF THE
STATE ROUTE 530 SLIDE IN NORTH CENTRAL SNOHOMISH COUNTY...
* UNTIL 445 PM PDT APRIL 24.
* FLOODING CONTINUES ON THE NORTH FORK OF THE STILLAGUAMISH RIVER
UPSTREAM OF THE SR 530 SLIDE DUE TO DEBRIS FROM THE STATE ROUTE
530 SLIDE PARTIALLY BLOCKING THE RIVER AND THE RESULTING POOLING
OF WATER BEHIND THE  DEBRIS DAM. WE WILL BE UPDATING THE FLOOD
WARNING ON A DAY TO DAY BASIS.
* THE OSO AREA HAS RECEIVED ONLY 0.08 INCHES OF RAIN IN THE PAST 24
HOURS ENDING AT 3 PM. BUT HEAVY SHOWERS ARE EXPECTED TO PRODUCE
BETWEEN 0.75 AND 1.5 INCHES OF RAIN IN THE SLIDE AREA THROUGH ABOUT
MIDNIGHT SATURDAY NIGHT. AT 300 PM PDT SATURDAY...THE NORTH FORK
OF THE STILLAGUAMISH RIVER NEAR ARLINGTON WAS AT 4.5 FEET OR 2700
CFS. THE NORTH FORK OF THE STILLAGUAMISH NEAR ARLINGTON IS EXPECTED
TO RISE OVERNIGHT...CRESTING NEAR 6.5 FEET OR 6012 CFS EARLY SUNDAY
MORNING. THE NORTH FORK OF THE STILLAGUAMISH NEAR OSO WAS AT 216.4
FEET...OR 1820 CFS. THE NORTH FORK OF THE STILLAGUAMISH NEAR OSO IS
EXPECTED TO RISE...CRESTING NEAR 218.2 FEET OR 3500 CFS EARLY MONDAY
MORNING. THE NORTH FORK OF THE STILLAGUAMISH IS EXPECTED TO FALL
SUNDAY THROUGH MONDAY.
* AT 300 PM PDT SATURDAY...THE POOL ELEVATION WAS NOT AVAILABLE. DUE
TO HEAVY SHOWERS TONIGHT...THE POOL ELEVATION IS FORECAST TO RISE
ABOUT 2 FEET ABOVE CURRENT VALUES BY EARLY SUNDAY AFTERNOON BEFORE
RESUMING A SLOW FALL SUNDAY NIGHT INTO MONDAY. THERE CONTINUES TO BE
A GREAT AMOUNT OF UNCERTAINTY IN THE FORECAST POOL ELEVATION DUE IN
PART TO LIMITED KNOWLEDGE OF HOW MUCH WATER THE NEW STREAM CHANNEL
THROUGH THE SLIDE DEBRIS WILL BE ABLE TO CONVEY.

HIGH SURF ADVISORY

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 10 AM PDT SUNDAY...
A HIGH SURF ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PDT SUNDAY.
* SEAS: RAPIDLY BUILDING TO 17 TO 20 FT AFTER 10 PM AND CONTINUE
AT THIS LEVEL THROUGH EARLY SUNDAY MORNING. SEAS WILL THEN
SLOWLY SUBSIDE.
* IMPACTS: EXERCISE EXTREME CAUTION ALONG BEACHES. UNPREDICTABLE
AND DESTRUCTIVE WAVES MAY WASH OVER BEACHES...JETTIES AND
OTHER STRUCTURES WITH NO WARNING. HAZARDS INCREASE DURING HIGH
TIDES WHICH ARE FORECAST TO OCCUR AROUND 5 AM AND 7 PM SUNDAY.