

083 

AGPN40 KWNM 110829

MIMPAC



MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN

NWS OCEAN PREDICTION CENTER WASHINGTON DC

129 AM PDT THU AUG 11 2016



.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT

.WEATHER FOR THE NORTH PACIFIC N OF 30N AND E OF 150W.



HIGH PRES WAS TO THE W OF THE WA/OR WTRS AND WL DRIFT NE TDA INTO

EARLY TNGT. THE COASTAL TROF ALG NRN CA TDA WL BECOM WKR LATER

THIS MRNG AND XPND ALG THE WA/OR COAST INTO FRI. HAV NOT SEEN ANY

RECENT SATEL DERIVED WINDS DATA SINCE 00Z...BUT THERE WERE A FEW

SHIP OBS WITH WINDS TO 25 KT OVR THE WTRS AT 06Z OVR THE NRN WA

WTRS AND ALSO THE NRN AREAS OF THE CNTRL CA WTRS WHICH ARE

VERIFYING WELL WITH THE GFS 10M AND HIGHER HGT WINDS. MDT NLY

WINDS FM THE WA/OR INTO THE NRN INTO THE CNTRL CA WINDS SHUD

GRADUALLY EASE INTO FRI WITH GFS AREAL EXTENT OF WINDS INCREASING

AGAIN BY SAT AND SAT NGT. THE GFS IS MORE PRONOUNCED WITH THE

AREAL COVERAGE OF THE MDT WINDS DURING THIS TIME. PLAN TO CONT TO

USE THE GFS DURING THIS PD OF TIME. BY SUN NGT INTO MON THE GFS

AND OTHER MDLS SHOW HIGH PRES BEGINNING TO BUILD TO THE E OVR THE

NRN CA/OR/WA WTRS. THE GFS CONTS TO BE STGR WITH THE WINDS ALG THE

ERN AREAS OF THE NRN AND CNTRL CA WTRS...ALTHO IT IS SLGTLY WKR

THAN THE 18Z GUID. WL CONT TO CAP WINDS TO 30 KT AS COASTAL TROF

DVLPS AND PRES GRAD BECOMS STGR SUN NGT INTO MON NGT.



SEAS...THE MULTIGRID WWIII AND ECMWF WAM ARE IN SMLR AGRMT THRU

MUCH OF THE FCST PD WITH BETTER AGRMT THAN LAST NGT BY LATE SUN

INTO MON. PLAN TO USE A 50/50 BLEND THRU THE FCST PD.



.EXTRATROPICAL STORM SURGE GUIDANCE...N/A.





.WARNINGS...PRELIMINARY.



.PZ5 WASHINGTON/OREGON WATERS...

     NONE.



.PZ6 CALIFORNIA WATERS...

     NONE.



$$



.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.

