773
AGPN40 KWNM 071402
MIMPAC
MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
533 AM PST SAT 7 NOV 2009
.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT
.WEATHER FOR THE NORTH PACIFIC N OF 30N AND E OF 150W.
LATEST SCAT PASS AND OBS INDICATE THAT MOST OF THE GALE
CONDITIONS ARE W OF OFFSHORE WATERS AND RECENT GFS SUGGESTS BLO
GALE FORCE FOR TODAY...THEREFOR WILL DROP MENTION OF GALES
ACROSS OFFSHORE WATERS...WILL KEEP GALES FOR SUN NIGHT INADV OF
NEXT FRONTAL BNDRY.
THE 00Z MODEL RUNS LOOK TO BE IN REASONABLE AGREEMENT ACROSS THE
OFFSHORE WATERS THE NEXT FEW DAYS. WESTERLY FLOW IS EXPECTED TO
CONTINUE ACROSS THE PZ5 WATERS TONIGHT INTO SAT NIGHT WITH WINDS
AS HIGH AS 35 KT ACROSS PORTIONS OF THE WASHINGTON AND OREGON
WATERS. BY SUN NIGHT LOW PRES IS STILL EXPECTED TO TRACK NE
ACROSS THE WASHINGTON WATERS WITH STRONG GALES IN THE SW FLOW
AHEAD OF THE FRONT ACROSS THE PZ5 WATERS. BY LATE WED THE
CANADIAN DROPS A LOW SE INTO THE OREGON WATERS...BUT ATTM WILL
LEAN MORE TOWARDS THE GFS SOLUTION WHICH IS NOT SHOWING THIS
LOW.
FARTHER S...MAINLY LIGHT WINDS IN PLACE ACROSS THE SRN PZ6
WATERS WILL INCREASE TO 30 KT W OF POINT CONCEPTION BY LATE SAT
AS HIGH PRES W OF THE AREA COMBINES WITH A THERMAL TROF ALONG
THE COAST OF SRN CALIFORNIA. WINDS WILL AGAIN INCREASE W OF
POINT CONCEPTION BY WED AS A COLD FRONT MOVES INTO THE SRN
CALIFORNIA WATERS. WINDS WILL COME CLOSE TO GALE FORCE ON
WED...BUT FOR NOW WILL HOLD THEM AT 30 KT.
THE WAVEWATCH MODEL LOOKS REASONABLE AND WILL BE FOLLOWED FAIRLY
CLOSELY DURING THE FORECAST PERIOD. LARGE SWELL FROM A LOW IN
THE GULF OF ALASKA WILL CONTINUE TO AFFECT THE OFFSHORE WATERS
THROUGH SUN.
.WARNINGS/FORECAST CONFIDENCE...WARNINGS ARE PRELIMINARY AND ARE
SUBJECT TO CHANGE. ANY CHANGES WILL BE COORDINATED THROUGH AWIPS
12 PLANET CHAT OR BY TELEPHONE.
.PZ5 WASHINGTON/OREGON WATERS...
.CAPE FLATTERY TO CAPE LOOKOUT...GALE SUN NIGHT AND MON...MDT
CONFDC.
.CAPE LOOKOUT TO POINT ST GEORGE...GALE SUN NIGHT AND MON...MDT
CONFDC.
.PZ6 CALIFORNIA WATERS...
.PT ST GEORGE TO PT ARENA...NONE.
.PT ARENA TO PT CONCEPTION...NONE.
.PT CONCEPTION TO GUADALUPE ISLAND...NONE.
.FORECASTER SHAW. OCEAN FORECAST BRANCH.