Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 220724
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1224 AM PDT TUE JUL 22 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 GFS THRU 12Z THU...THEN WITH 30M
WINDS FROM THE 00Z GFS THEREAFTER. GFS HAS GOOD SUPPORT FROM BOTH
THE ECMWF AND THE UKMET.

AREAS OF WEAK LOW PRES NW OF THE AREA...AND JUST W OF THE SRN PZ5
WATERS PROGGED TO MOVE INTO THE PZ5 WATERS TODAY AND TONIGHT.
MODELS THEN HAVE THE TWO SYSTEMS COMBINE OVER THE NRN PZ5 WATERS
WED AND MOVE INLAND WED NIGHT. ALL MODELS SHOWING A LITTLE
ENHANCEMENT OF THE NW WINDS OVER NRN PZ5 WATERS LATE WED AND WED
NIGHT WITH COMBINED LOW...AND WILL HAVE WINDS TO 25 KT IN THE
FCST.

THERMAL TROF SETS UP ALONG CALIF COAST...AS HIGH PRES BUILDS TO
THE NW. GRADIENT SEEMS TO PEAK OUT NR PT ST GEORGE LATE THU INTO THU
NIGHT...WITH GALE CONDITONS EXPECTED IN THE ADJACENT CSTL WATERS.
AS FOR THE OFFSHR WATERS...GRADIENT SEEMS TO EXTEND FAR ENUF
OFFSHORE TO WARRANT GALES FOR THE NE PORTION OF THE PZZ820 WATERS
FOR THU NIGHT. GRADIENT THEN CONTINUES FRI INTO FRI NIGHT...BUT
MODELS KEEPING TIGHEST GRADIENT FURTHER E OVER THE CSTL
WATERS...WITH THE ADJACENT OFFSHR WATERS BELOW GALE FORCE.
PATTERN PERSISTS THRU THE REMAINDER OF THE FCST PERIOD...WITH
WINDS EXPECTED AT JUST BELOW GALE IN THE OFFSHR WATERS.


.SEAS...ENP VERSION OF WWIII WITHIN A FT OR TWO OF CURRENT OBS.
POPULATED WAVE GRIDS WITH 00Z ENP THRU THE FCST PERIOD...WHICH IS
WITHIN A FT OR TWO OF THE 00Z ECMWF WAVE. DID INCR WAVE BY 10
PERCENT IN GALE AREA FOR THU AND THU 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 POSSIBLE THU NIGHT.

$$

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.


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