Small Craft Advisory 751, NWS Seattle, WA

208 
WHUS76 KSEW 251544
MWWSEW

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
844 AM PDT SAT JUN 25 2011

PZZ131-132-252345-
/O.CON.KSEW.SC.Y.0751.110625T2100Z-110626T1200Z/
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
844 AM PDT SAT JUN 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 5 AM PDT SUNDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 AM PDT SUNDAY. 

* WIND...WEST WINDS INCREASING TO 15 TO 25 KT MID AFTERNOON.

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.

&&

$$


WWW.WEATHER.GOV/SEATTLE

797 
WHUS76 KSEW 252139
MWWSEW

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
239 PM PDT SAT JUN 25 2011

PZZ131-132-260545-
/O.CON.KSEW.SC.Y.0751.000000T0000Z-110626T1200Z/
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
239 PM PDT SAT JUN 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY. 

* WIND...WEST WINDS 15 TO 25 KT.

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.

&&

$$


WWW.WEATHER.GOV/SEATTLE

726 
WHUS76 KSEW 260340
MWWSEW

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
840 PM PDT SAT JUN 25 2011

PZZ131-132-261145-
/O.CON.KSEW.SC.Y.0751.000000T0000Z-110626T1200Z/
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
840 PM PDT SAT JUN 25 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY. 

* WIND...WEST WINDS 15 TO 25 KT.

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.

&&

$$


WWW.WEATHER.GOV/SEATTLE

638 
WHUS76 KSEW 260954
MWWSEW

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
254 AM PDT SUN JUN 26 2011

PZZ131-132-261100-
/O.CAN.KSEW.SC.Y.0751.000000T0000Z-110626T1200Z/
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
254 AM PDT SUN JUN 26 2011

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE SMALL
CRAFT ADVISORY.

$$


WWW.WEATHER.GOV/SEATTLE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SEATTLE WA
920 PM PDT FRI JUN 24 2011

.SYNOPSIS...AN UPPER LOW PRESSURE SYSTEM OVER THE PACIFIC NORTHWEST
WILL BE REPLACED BY AN UPPER RIDGE BY SUNDAY. ANOTHER UPPER LOW WILL
DROP OFFSHORE NEXT WEEK BUT THEN HEAD INTO NORTHERN CALIFORNIA. BY
MIDWEEK AN UPPER TROUGH MOVING INTO BRITISH COLUMBIA WILL START TO
AFFECT WESTERN WASHINGTON.

&&

.SHORT TERM...SCATTERED SHOWERS THIS EVENING HAVE BEEN DEVELOPING
AROUND NORTHERN HOOD CANAL AND DRIFTING ESE THRU SRN SNOHOMISH AND
KING COUNTY. THAT MATCHES UP PRETTY WELL WITH THE POP FCST...BUT THE
SHOWERS WILL END FOR THE MOST PART OVERNIGHT. THERE IS STILL A
CHANCE OF A SHOWER OR PERHAPS SOME MORNING DRIZZLE INTO
SATURDAY...BUT THE UPPER TROUGH OVER B.C. AND ALTA WILL BE SHIFTING
EAST AND THE CLOUDS AND SHOWERS WILL GIVE WAY TO A BIT OF A RIDGE
BUILDING BY SUNDAY. SUNNY WARMER WEATHER SUNDAY MAY LAST INTO MONDAY.

.LONG TERM....ANOTHER UPPER TROUGH WILL BE DROPPING SE OFFSHORE
EARLY NEXT WEEK...THE GFS HAS AN UPPER LOW CENTER JUST OFF NRN CALIF
NEXT TUE. THAT MAY TAKE MOST OF THE MOISTURE SOUTH INTO NRN CALIF
AND OREGON WITH PRECIP IN THE WESTERLIES WELL NORTH OF WA. A CUTOFF
UPPER LOW OVER NRN CALIF SEEMS UNUSUAL AS WE GET CLOSER TO JULY BUT
THE PAST FEW RUNS OF THE GFS ARE ABOUT THE SAME...THAT MAY LEAVE WRN
WA BETWEEN AREAS OF PRECIP FOR AT LEAST MON AND TUE...BUT ARND
MIDWEEK THE WESTERLIES START TO SAG INTO THE AREA. 19

&&

.AVIATION...AN UPPER LEVEL LOW CENTERED OVER SOUTHEAST BRITISH
COLUMBIA AND SOUTHERN ALBERTA WILL REMAIN THROUGH SATURDAY. LOW
LEVEL ONSHORE FLOW WILL CONTINUE ACROSS WESTERN WASHINGTON. THE AIR
MASS WILL BE WEAKLY UNSTABLE...MAINLY DURING THE AFTERNOON AND
EVENING HOURS.

PUGET SOUND CONVERGENCE ZONE STILL INTACT AT 04Z WITH MOST OF THE
SHOWER ACTIVITY CONFINED TO AN AREA FROM PORT TOWNSEND TO STEVENS
PASS TO MOUNT RAINIER. EVEN IN THE SHOWER ACTIVITY CEILINGS ARE
RUNNING AROUND 3000 FEET. OUTSIDE OF THE CONVERGENCE ZONE CEILINGS
GENERALLY IN THE 5000 TO 7000 FOOT RANGE. SHOWER ACTIVITY AND THE
CONVERGENCE ZONE WILL DISSIPATE AFTER MIDNIGHT. THE LOW LEVEL FLOW
WILL REMAIN ONSHORE THROUGH SATURDAY. MODEL CROSS SECTIONS SHOW THE
WINDS ALOFT UP TO 850 MB 10 KNOTS OR LESS. WITH THIS COMBINATION
EXPECT A LOWER SC DECK TO FORM IN THE EARLY MORNING HOURS SATURDAY
WITH CEILINGS IN THE 2000 TO 3000 FOOT RANGE ESPECIALLY IN THE PUGET
SOUND AREA. CEILINGS WILL LIFT INTO VFR ONCE AGAIN BY SATURDAY
AFTERNOON.

KSEA...CEILINGS IN THE 3500 TO 5000 FOOT RANGE OVERNIGHT LOWERING
DOWN TO NEAR 2500 FEET 12Z-15Z SATURDAY. SHOWERS ENDING BY 09Z. WITH
THE SHOWERS VARIABLE WINDS INTO THE EARLY MORNING HOURS BECOMING
SOUTH 4 TO 8 KNOTS AFTER 12Z AND CONTINUING THROUGH MIDDAY SATURDAY.
FELTON

&&

.MARINE...ONSHORE FLOW WILL CONTINUE THROUGH SUNDAY...AS HIGH
PRESSURE REMAINS OVER THE OFFSHORE WATERS WITH LOWER PRESSURE EAST
OF THE CASCADES. THIS WILL PRODUCE SMALL CRAFT ADVISORY WESTERLIES
IN THE CENTRAL STRAIT OF JUAN DE FUCA AND EAST ENTRANCE EACH DAY
DURING THE LATE AFTERNOON THROUGH EVENING HOURS.

A TROUGH OF LOW PRES WILL MOVE INTO THE OFFSHORE WATERS FROM THE
WEST SUNDAY NIGHT THROUGH TUESDAY. ONSHORE FLOW WILL RESUME LATE
TUESDAY AS THE TROUGH WEAKENS AND MOVES INLAND. FELTON/13

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...NONE.
PZ...SMALL CRAFT ADVISORY CENTRAL STRAIT OF JUAN DE FUCA AND
EAST        ENTRANCE TONIGHT.

&&

WWW.WEATHER.GOV/SEATTLE

FOR THE GRAPHICAL FORECAST DISCUSSION...PLEASE GO TO
WWW.WRH.NOAA.GOV/SEW/GAFD/LATEST_WEBAFD.HTML