Marine Interpretation Message
Issued by NWS

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AGPN40 KWNM 050836
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
136 AM PDT WED AUG 5 2015

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

THERE WAS AN ASCAT FM 04Z AND 05Z WHICH HAD A SWATH OVR THE FAR ERN
AREAS OF THE OFFSHR WTRS. WINDS WERE TO 25 KT OVR THE ERN AREAS OF
THE SRN CA WTRS.

A LOW PRES TROF WL DVLP ALG THE NRN CA/OR COAST TDA WITH
INTENSIFICATION LATER THIS AFTN INTO THU NGT. HIGH PRES WAS SITU
TO THE W OF THE WA/OR/NRN CA WTRS AND WL RMN CNTRD W OF THE WTRS
TDA INTO THU...BEFORE DRIFTING SWD. MDL GUID LOOKS SMLR TO EARLIER
GUID WITH THE ONLY SLGT CHANGES. WITH DVLPMT OF GALES LATER THU
AND THU NGT WL HAV MARGINAL GALES OVR THE ERN AREA OF THE NRN CA
WTRS. THERE IS UPR SHRTWV THAT MOVS EWD ALG THE CNTRL CA COAST
LATE THU AND THU NGT WHICH SHUD ENHANCE WINDS ALG THE NRN AND
CNTRL CA COAST. THE GFS/ECMWF ARE IN CLOSE AGRMT WITH A CD FNT
THAT CROSSES INTO THE WA/OR WTRS SAT AND SAT NGT AND WITH LOW
PRES THAT APPROACHES THE WA WTRS SUN AND MOVS SE INTO THE WTRS
SUN NGT. WINDS ARE LGT WITH THE CD FNT AND ASSOC WINDS WITH THE
LOW PRES CNTR. WL CONT TO FAVOR THE GFS WINDS FOR THE GRIDS THRU
THE FCST PD.

.SEAS... WL USE A 50/50 BLEND OF 00Z WWIII AND ECMWF WAM WHICH ARE
IN CLOSE AGRMT THRU THE FCST PD.

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


.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
.PZZ820...INNER WATERS FROM POINT ST. GEORGE TO POINT ARENA...
     GALE THU INTO THU NIGHT.

$$

.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.


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