Marine Interpretation Message
Issued by NWS

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AGPN40 KWNM 032022
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
122 PM PDT FRI JUL 3 2015

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

AS HAS BEEN THE CASE THE LAST FEW DAYS LATEST 18Z OPC SFC ANALYSIS
SHOWS GENERAL HIGH PRES RIDGING OVER THE PZ5/PZ6 OFFSHORE WATERS.
AVAILABLE ASCAT HIRES DATA SHOWED 30 KT WINDS OVER THE NRN PART OF
ZONE PZZ800...W/20-25 KT WINDS OVER MUCH OF THE WRN PZ5 WATERS.
DATA WAS SPARSE OVER THE NRN/CENTRAL PZ6 WATERS...BUT OVER THE SRN
WATERS WHERE DATA WAS AVAILABLE WINDS OF 15 KT OR LESS WERE NOTED.

NO MAJOR CHANGES IN ORDER FOR THE ONGOING FORECAST GIVEN 12Z
GLOBAL GUIDANCE REMAINS IN GOOD AGREEMENT OVER THE FORECAST
PERIOD. SO FAVORED 12Z GFS THROUGH TUE...THEN 50/50 BLEND OF THE
12Z GFS/ECMWF FROM WED ON. WILL CONTINUE W/MENTION OF GALES
TONIGHT INTO EARLY SAT IN THE NRN PART OF ZONE PZZ800 AS A LOW
PRES TROUGH NEAR VANCOUVER ISLAND STRENGTHENS WHILE INTERACTING
W/A HIGH PRES RIDGE OVERHEAD. WINDS EASE THROUGH THE DAY SAT AS
THE TROUGH SLIDES W OFF THE PACIFIC COAST WHILE THE HIGH PRES
RIDGE ALSO RETREATS W. BY THE END OF THE PERIOD ANTICIPATE THE
HIGH PRES RIDGE REBUILDING SOME OVER THE PZ5 WATERS. ALSO
ANTICIPATE HIGH PRES RIDGING REBUILDING OVER THE SRN PZ6 WATERS
BEGINNING LATE SAT.

.SEAS...USED 12Z NWW3 WHERE GFS WINDS USED AND 50/50 BLEND OF 12Z
NWW3/ECMWF WAVE MODEL WHERE GFS/ECMWF WINDS WERE USED.


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


.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
.PZZ800...INNER WATERS FROM CAPE FLATTERY TO CAPE SHOALWATER...
     GALE TODAY INTO TONIGHT.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.



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