Marine Interpretation Message
Issued by NWS

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AGPN40 KWNM 240833
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
133 AM PDT WED AUG 24 2016

.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT
.WEATHER FOR THE NORTH PACIFIC N OF 30N AND E OF 150W.

WILL USE THE 00Z GFS INTO MIDDAY SAT BEFORE TRENDING END OF THE
MED RANGE TWDS NON-NCEP/00Z ECMWF. NO WIND WARNING HEADLINES WILL
BE NEEDED THRUT. BRIEF DISCUSSION FOLLOWS.

SIMPLE AND STRAIGHT FORWARD FORECAST IN STORE FOR THE ENTIRE
PERIOD. HIGH PRES W AND NW OF THE NRN WATERS WILL REMAIN NEARLY
STNRY TODAY...SLOWLY DRIFT SW WHILE STRENGTHENING INTO FRI...THEN
PARK ITSELF ALONG 150W THRU THE WEEKEND. LOW PRES TROF ALONG THE
CA COAST WILL REMAIN STNRY TODAY...BEFORE EXPANDING N ACROSS THE
OR/WA COASTS THIS AFTN INTO TONIGHT. THE TROF WILL SLOWLY DRIFT W
AND OFFSHORE THU INTO FRI NIGHT...WITH A WEAK SURFACE LOW FORMING
IN THE NRN CA WATERS SAT THRU SUN NIGHT. TO VARYING DEGREES MODELS
SUGGEST AN UPPER TROF CRESTING THE BLOCKING RIDGE SAT...DIGGING
TOWARDS THE PAC NW SUN AND SUN NIGHT. DEFERENCE TO 00Z ECMWF KEEPS
SURFACE REFLECTION AS A VERY WEAK PASSING FRONT AND LOW
CIRCULATION WITH WINDS GENERALLY 15 KT OR LESS. THIS KEEPS GOOD
CONTINUITY WITH ONGOING OPC FORECAST AND PREV 23/12Z GFS.

SEAS...SIMILARLY WILL USE THE ENP WW3 INTO SAT BEFORE TRENDING SIG
WVHT GRIDS TWDS 12Z ECMWF WAM.

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

.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER COLLINS. OCEAN PREDICTION CENTER.



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