

801 

AGPN40 KWNM 100902

MIMPAC



MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN

NWS OCEAN PREDICTION CENTER WASHINGTON DC

202 AM PDT WED AUG 10 2016



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

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



THERE WAS AN ASCAT PASS FM NR 06Z WITH A SWATH ACRS THE OFFSHR

WTRS BETWEEN 121W AND 130W. MAX WINDS WERE IN SMALL REGION ALG OR

JUST E OF THE NRN AND CNTRL CA WITH WINDS TO 30 KT. THIS DID NOT

MATCH UP WELL WITH 30M GFS WHICH SHOWS A GREATER AREA OF 30 KT

WINDS. 



STG HIGH PRES WAS W AND NW OF THE OFFSHR WTRS EARLY THIS MRNG WITH

A TROF OVR THE INTERIOR OF CA. ALL OF THE MDL GUID INDICATE STGST

WINDS WL BE ALG THE CNTRL AND NRN CA TDA...AND THEN XPND AND

SHIFT NWD INTO THE WA/OR WTRS TNGT INTO THU AS THE HIGH PRES

SHIFTS FURTHER NE THRU ABT THU NGT. THE UKMET/ECMWF/GEM MDLS LOOK

SMLR THRU SAT INTO SAT NGT. BY LATER SUN INTO SUN NGT THE GFS

BECOMS STGR WITH THE DVLPMT OF A COASTAL TROF ALG THE NRN AND

CNTRL CA WTRS. THE UKMET/GEM ALSO BECOM STGR WITH THE RESULTANT

WINDS ALTHO NOT AS STG AS THE GFS. THE ECMWF IS WKR AND FURTHER W

WITH HIGH PRES W OF THE NRN CA WTRS. WL HAV MAX WINDS TO 30 KT

WHERE THE PRES GRAD IS STGST.



SEAS...WL USE A 50/50 BLEND OF THE MULTIGRID WWIII AND ECMWF WAM

THRU ABT SAT NGT. AFTWDS WL USE THE ECMWF WAM WHICH IS NOT AS

DVLPD WITH THE SEAS. WL ADD ABT 15 PERCENT TO SEAS FOR SUN INTO

SUN NGT...AND WL BE USING THE GFS DURING THIS TIME PD.





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







.WARNINGS...PRELIMINARY.



.PZ5 WASHINGTON/OREGON WATERS...

     NONE.



.PZ6 CALIFORNIA WATERS...

     NONE.



$$



.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.

