Marine Interpretation Message
Issued by NWS

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AGPN40 KWNM 120148
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
648 PM PDT FRI JUL 11 2014

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

NO CHANGES TO THE FCST ANTICIPATED IN THE UPCOMING PACKAGE.

SEAS...ENP VERSION OF WWIII WITHIN FT OR TWO OF CURRENT OBS. SEAS
AROUND 4 TO 6 FT OBSERVED OVER MOST OF THE CSTL/OFFSHR WATERS
ATTM.

-----------------------------------------------------------------
PREVIOUS DISCUSSION...

PER 18Z OPC SFC ANALYSIS A HIGH PRES RIDGE WAS OVER THE PZ5 WATERS
AND SRN PZ6 WATERS...W/A 1015 MB LOW OVER THE NRN PZ6 WATERS NEAR
39N126W. 1805Z ASCAT HIRES PASS SHOWED WINDS UNDER 20 KT OVER THE
PZ5/NRN PZ6 WATERS W/15 KT WINDS AND BELOW OVER THE ERN HALF OF
THE SRN PZ6 WATERS.

12Z GUIDANCE IS IN GENERAL AGREEMENT THROUGH THE FORECAST PERIOD.
FAVORED 12Z GFS THROUGH WED NIGHT THEN WENT W/MORE OF A 12Z
ECMWF/UKMET BLEND DAY 5 W/RESULT OF SLIGHTER WEAKER WINDS THAN
THAT OF THE 12Z GFS FARTHER S ALONG THE PZ5/PZ6 WATERS. 12Z GFS
INDICATES POSSIBILITY OF GALES LATE MON/MON NIGHT IN THE FAR SE
PZZ815/FAR NE PZZ820 WATERS AS THE PRESSURE GRADIENT TIGHTENS IN
RESPONSE TO THE LOW PRES TROUGH. HAVE DECIDED TO NOT INTRODUCE
GALES AT THIS TIME INTO THOSE AFOREMENTIONED ZONES BUT THE
POSSIBILITY OF GALES WILL HAVE TO BE MONITORED IN FUTURE UPDATES.
ADDITIONALLY DAY 5 12Z GFS/CMC SUGGES GALES IN THE FAR N PZZ800
WATERS W/THE 12Z UKMET AT 30 KT JUST N OF THE WATERS. FOR NOW
GIVEN THIS IS DAY 5 WONT INTRODUCE GALES THERE EITEHR....BUT WILL
MAX OUT WINDS AT 30 KT.

.SEAS...FAVORED NWW3 THROUGH DAY 4...THEN ECMWF WAVE DAY 5.

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


.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER ACHORN/HOLLEY. OCEAN PREDICTION CENTER.


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