Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 011927
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1227 PM PDT WED OCT 1 2014

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

12Z GLOBAL MODELS IN GOOD AGRMT THRU FCST PERIOD. POPULATED LATEST
WIND GRIDS WITH 10M FROM THE GFS THRU THE FCST PERIOD...WITH SOME
MINOR MODIFICATIONS OFF SRN OR THU AND THU NIGHT. 12Z GFS HAS GOOD
SUPPORT FROM BOTH THE 00Z ECMWF AND THE 12Z UKMET.

LATEST MODELS SHOWING SUBGALE CONDITIONS OVER THE NRN CALIF
WATERS...AND IS SUPPORTED BY THE FEW SFC OBS OVER THE REGION.
MODELS SHOWING A GRADUAL WEAKENING OVER THE AREA TONIGHT INTO
FRI...WITH THE EXCEPTION OF JUST OFF THE SRN OR COAST...WHERE
WINDS REMAIN AROUND 25 TO 30 KT...AS THE CSTL TROF CONTINUES TO
INTERACT WITH HIGH PRES RIDGE ACROSS THE SRN PZ5 WATERS.

FRONT SLOWLY APPROACHES NW WATERS FRI AND FRI NIGHT. WITH RIDGE
PERSISTING ACROSS SRN PZ5 WATERS DURING THIS TIME PERIOD...FRONT
EXPECTED TO MOVE SLOWLY AND WEAKEN AS IT APPROACHES THE OFFSHR
WATERS. MAY HAVE SOME WINDS TO 30 KT INITIALLY OVER THE NW PORTION
OF THE PZ5 WATERS FRI...BUT WINDS SHUD DIMINSH AS THE FRONT
CONTINUES TO APPROACH THE AREA. FRONT MOVES INTO NRN PZ5 WATERS
SAT INTO SAT NIGHT...AND EITHER DSIPTS OR LIFTS N AS A WARM
FRONT SAT NIGHT INTO SUN...AS A RIDGE TRIES TO BUILD NWRD ACROSS
THE NRN PZ5 WATERS.

RIDGE PERSISTS OVER THE NRN WATERS MON AND MON NIGHT...AS TROF
PERSISTS ALONG THE NRN CALIF/OR COAST.

.SEAS...ENP VERSION OF WWIII WITHIN A FT OR TWO OF CURRENT OBS.
POPULATED LATEST WAVE GRIDS FROM THE 12Z ENP THRU THE FCST PERIOD.
MAX SEAS AROUND 13 FT OFF NRN CALIF. EXPECTING SEAS TO SLOWLY
SUBSIDE TONIGHT AND THU.

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


.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.


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