Marine Interpretation Message
Issued by NWS

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AGPN40 KWNM 272035
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
135 PM PDT MON JUL 27 2015

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

INVERTED TROF ALG CA SHUD INTENSIFY TNGT INTO TUE WHILE XPNDG NWD
INTO OR TUE AND TUE NGT. A LARGE AREA OF HIGH PRES TO THE W OF
THE NRN OFFSHR BUILDS EWD OVR THE WA/OR/NRN CA WTRS TNGT THRU
TUE NGT...THEN BECOMS WKR LATER TUE NGT INTO EARLY THU. MDL GUID
IS SMLR TO EARLIER GUID WITH FEW DIFFS BETWEEN THE
GFS/UKMET/ECMWF/GEM. HAV NOT HAD ANY RECENT SATEL DERIVED WINDS
OVR THE OFFSHR AREAS SINCE LAST NGT. WINDS APR TO BE NR 30 KT OVR
THE ERN NRN CA WTRS...AND SHUD INCRS TO 35 KT OVR THE NEXT SVRL
HRS IN THIS REGION. WL STAY WITH 30M GFS THRU TUE NGT AS COASTAL
TROF INTENSIFIES AND THE STG HIGH PRES BUILDS EWD. DVLPMT OF GALES
OCCURS TUE OVR THE FAR SERN AREAS OF THE OR WTRS FM TUE INTO TUE
NGT. MDLS STILL SMLR WITH WK LOW PRES DVLPG OVR THE CNTRL CA WTRS
NR THE COAST WED...THEN DRIFTING SW AND MOVG W OF THE WTRS LATE
WED NGT AND THU. WL TRANSITION TO 10M GFS WINDS FM ABT WED NGT AND
THEREAFT.

SEAS...THE LATEST BUOY OBS ACRS THE WTRS RANGE FM ABT 5 TO 9 FT
WITH HIGHEST SEAS OVR THE ERN AREAS OF THE CNTRL CA WTRS. WL
BE USING A BLEND OF THE MULTIGRID WWIII AND ECMWF WAM THRU THE
FCST PD WITH A GREATER WEIGHT TOWARDS THE ECMWF WAM WHICH IS
SLGTLY HIGHER WITH SEAS.

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

.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
.PZZ815...INNER WATERS FROM FLORENCE OR TO POINT ST. GEORGE...
     GALE TONIGHT INTO TUE.

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

$$

.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.


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