Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 230756
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1256 AM PDT WED JUL 23 2014

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

00Z GLOBAL MODELS IN GOOD AGRMT THRU FCST PERIOD. POPULATED WIND
GRIDS WITH 10M WINDS FROM THE 00Z GFS THRU 00Z THU...THEN 30M
WINDS WITH SOME MINOR TWEAKS THEREAFTER. 00Z GFS HAS GOOD SUPPORT
FROM BOTH THE ECMWF AND THE UKMET.

LOW PRES NR 46N126W IS EXPECTED TO REMAIN NEARLY STATIONARY OVER
THE NEXT 12 TO 24 HOURS...WHILE SLOWLY STRENGTHENING. MAJORITY OF
THE GLOBAL MODELS STILL SHOWING AREA OF 20 TO 30 KT WINDS DVLPG IN
THE W AND SW QUAD OF THE LOW OVER THE PZ5 WATERS LATER TODAY AND
INTO TONIGHT. LOW EXPECTED TO MOVE INLAND LATER TONIGHT INTO THU
WITH CONDITIONS DIMINISHING.

HIGH PRES RIDGE THEN BUILDS OVER THE NW WATERS THU AND THU
NIGHT...WHILE LOW PRES TROF EXTENDS NWRD ACROSS THE NRN CALIF
COAST. BORDERLINE GALE CONDITIONS POSSIBLE FOR THE PZZ820 WATERS
THU NIGHT AND AGAIN LATE FRI INTO FRI NIGHT AS THIS PATTERN
PERSISTS. STRONGEST CONDITONS ARE EXPECTED TO BE IN THE ADJACENT
CSTL WATERS...WITH BORDERLINE GALE CONDITIONS ONLY EXPECTED TO BE
OVER THE FAR ERN PORTIONS OF THE OFFSHR ZONE. PATTERN WEAKENS
SLIGHTLY SAT AND SAT NIGHT...WITH EVEN GFS 30M WINDS SHOWING
SUBGALE CONDTIONS DURING THIS TIME PERIOD. WILL TAKE OUT GALES FOR
LATE SAT AND SAT NIGHT IN THE NEXT PACKAGE...AS ANY GALES SHUD BE
CONFINED TO THE CSTL ZONES.

PATTERN CONTINUES TO SLOWLY WEAKEN SUN AND SUN NIGHT...AS TROF
EXTENDS FURTHER NWRD ALONG THE OR COAST.

.SEAS...ENP VERSION OF WWIII WITHIN A FT OR TWO OF CURRENT OBS.
POPULATED WAVE GRIDS FROM 00Z ENP THRU THE FCST PERIOD. DID INCR
SEAS BY 10 PERCENT IN THE GALE AREA THU NIGHT...AND 5 PERCENT FRI
NIGHT.


.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 NIGHT.
     GALE POSSIBLE FRI INTO FRI NIGHT.

$$

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.



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