Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 261535
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
835 AM PDT SAT JUL 26 2014

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

HIGH PRES RMNS TO THE W AND SW OF THE NRN OFFSHR AREAS...ALTHO
NOT AS STG AS YDY. THE HIGH PRES RMNS IN PLACE THRU THE FCST PD. COASTAL
TROF ALG THE NRN AND CNTRL AREAS OF CA GRADUALLY WKNS LATE SUN AND
SUN NGT...AND BEGINS TO RE-INTENSIFY WITH THE UKMET/ECMWF WED
INTO WED NGT. ALG AREAS WHERE PRES GRAD RMNS STGST MAINLY FM PT ST
GEORGE TO PIGEON PT WL HAV WINDS TO 25 KT OR 30 KT TDY INTO EARLY
MON. ELSW OVR THE SRN CA WTRS ISOL SHWRS AND TSTMS ARE OVR THE
SRN CA WTRS ALG 120W WHERE SMALL AREAS OF CONVECTION RMN
PERSISTENT SINCE YDY...ALTHO FURTHER W. FOR THE UPDATED WL BE
MAKING FEW CHANGES TO PREV FCST.

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PREVIOUS DISCUSSION...

00Z GLOBAL MODELS IN GOOD AGRMT THRU FCST PERIOD. POPULATED WIND
GRIDS WITH 10M WINDS FROM THE 00Z GFS THRU 00Z MON...THEN 30M
WINDS FROM THE 00Z GFS THEREAFTER.

CSTL TROF ALONG SRN OR/NRN CALIF WILL PERSIST THRU THE FCST
PERIOD...AS WILL THE RIDGE ACROSS THE NW PORTION OF THE PZ5
WATERS. GALES NOT EXPECTED IN THE OFFSHR WATERS THRU THE FCST
PERIOD...WITH SOME GUSTS TO GALE FORCE PSBL OVER THE CSTL WATERS
NR PT ST GEORGE LATER TODAY AND INTO TONIGHT.

AFTER TONIGHT...TROF WEAKENS JUST ENUF TO KEEP WINDS BELOW GALE
FORCE OVER THE ENTIRE REGION THRU THE REMAINDER OF THE FCST
PERIOD. TROF MAY STRENGTHEN AGAIN TOWARDS THE END OF THE FCST
PERIOD...BUT WINDS EXPECTED TO MAX OUT AT 30 KT.

.SEAS...ENP VERSION OF WWIII WITHIN A FT OR TWO OF CURRENT OBS.
06Z SEA STATE ANALYSIS SHOWING MAX OF 11 FT OFF PT ARENA.
POPULATED WAVE GRIDS FROM 00Z ENP THRU 00Z WED...THEN WENT WITH A
3 TO 1 RATIO OF ECMWF WAVE AND ENP FOR THE REMAINDER OF THE FCST
PERIOD. ECMWF WAVE BUILDING SEAS FASTER THAN ENP AND WANTED TO
BUMP UP THE TIMING A BIT.


.EXTRATROPICAL STORM SURGE GUIDANCE...N/A



.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER ROWLAND/ACHORN. OCEAN PREDICTION CENTER.



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