East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 071725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE APR 07 2020

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE). 

SECURITE 

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 
TO 50N 160E 

SYNOPSIS VALID 1200 UTC APR 07. 
24 HOUR FORECAST VALID 1200 UTC APR 08. 
48 HOUR FORECAST VALID 1200 UTC APR 09. 

.WARNINGS. 

...STORM WARNING... 
.LOW 58N164W 1007 MB MOVING SE 10 KT. WITHIN 180 NM SW 
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.  
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 58N147W 990 MB. 
WITHIN 240 NM SW AND 180 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 
9 TO 18 FT. ALSO N OF 53N BETWEEN 135W AND 154W WINDS 25 TO 40 
KT. SEAS 9 TO 16 FT. 
.48 HOUR FORECAST LOW 59N139W 1012 MB. WITHIN 120 NM SW OF A 
LINE FROM 59N152W TO 58N147W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING... 
.LOW 38N163W 995 MB MOVING NE 10 KT. WITHIN 240 NM SW 
QUADRANT...AND WITHIN 300 NM W AND NW OF FRONT FROM 38N167W TO 
44N161W AND WITHIN 240 NM E OF FRONT FROM 41N157W TO 37N155W TO 
31N155W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW 42N158W 997 MB. WITHIN 420 NM NW 
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.  
.48 HOUR FORECAST LOW 42N156W 1004 MB. FRONT FROM 42N159W TO 
46N154W TO 49N145W. WITHIN 300 NM W AND NW OF FRONT WINDS 20 TO 
30 KT. SEAS 8 TO 15 FT. 

...GALE WARNING... 
.LOW W OF AREA NEAR 49N159E 997 MB MOVING NW 10 KT. FRONT FROM 
LOW TO 48N166E TO 45N170E. WITHIN 240 NM N AND E OF FRONT WINDS 
25 TO 35 KT. SEAS 10 TO 20 FT.  
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 48N163E 1000 MB AND 
SECOND LOW 53N167E 1001. FRONT FROM SECOND LOW TO 54N176E TO 
50N177E TO 45N177E. WITHIN 300 NM SE AND 360 NM SW QUADRANTS  
AND 240 NM E OF FRONT WINDS 20 TO 30 KT. SEAS 8 TO 13 
FT...EXCEPT E OF FRONT SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 51N174E 996 MB. FROM 43N TO 52N BETWEEN 
173W AND 179E AREA OF S WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 57N BETWEEN 164W AND 
170W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 
57N BETWEEN 159W AND 164W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE 
FROM 60N168W TO 62N176W. 

.SYNOPSIS AND FORECAST. 

.FROM 55N TO 58N BETWEEN 135W AND 140W AREA OF NW WINDS TO 25 
KT. SEAS 10 TO 15 FT. 
.06 HOUR FORECAST CONDITIONS DIMINISHED. 

.LOW 33N127W 1014 MB MOVING SE 15 KT. WITHIN 240 NM NW QUADRANT 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS 
DIMINISHED. 

.FROM 47N TO 50N BETWEEN 125W AND 129W...AND FROM 39N TO 44N 
BETWEEN 124W AND 128W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 9 
FT.
.24 HOUR FORECAST FROM 37N TO 44N BETWEEN 124W AND 129W AREA OF  
N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST FROM 37N TO 45N BETWEEN 125W AND 130W AREA OF 
NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.LOW 39N174E 1010 MB MOVING SE 20 KT. WITHIN 300 NM E SEMICIRCLE 
AND 300 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST LOW 36N179W 1012 MB. WITHIN 180 NM N AND 
NE...AND 180 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS 
DIMINISHED.

.48 HOUR FORECAST NEW LOW 33N175E 1011 MB. FROM 30N TO 34N 
BETWEEN 176E AND 170E WINDS TO 25 KT. SEAS TO 10 FT. 

.HIGH 44N136W 1029 MB MOVING SW 10 KT. 
.24 HOUR FORECAST HIGH 43N134W 1030 MB. 
.48 HOUR FORECAST HIGH 40N136W 1028 MB. 

.HIGH 50N137W 1029 MB MOVING E 25 KT. 
.24 HOUR FORECAST HIGH INLAND. 

.HIGH 51N176W 1027 MB MOVING NE 20 KT. 
.24 HOUR FORECAST HIGH 49N169W 1025 MB. 
.48 HOUR FORECAST HIGH 54N159W 1028 MB. 

.24 HOUR FORECAST HIGH 35N170E 1021 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC TUE APR 7.
24 HOUR FORECAST VALID 1200 UTC WED APR 08.
48 HOUR FORECAST VALID 1200 UTC THU APR 09.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.18 HOUR FORECAST FROM 13N TO 16N BETWEEN 130W AND 135W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST FROM 12N TO 18N BETWEEN 132W AND 139W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN MIXED S AND NW SWELL.
.30 HOUR FORECAST FROM 10N TO 13N BETWEEN 124W AND 130W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.36 HOUR FORECAST FROM 09N TO 15N BETWEEN 118W AND 126W NE TO 
E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 07N TO 13N BETWEEN 113W AND 130W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.12 HOUR FORECAST N OF 28N BETWEEN 122W AND 130W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 121W AND 130W WINDS 20 KT OR 
LESS.
SEAS 8 TO 9 FT IN N SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 
10N89W...INLCUDING
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST .WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N89W...
INLCUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N89W...
INLCUDING GULF OF PAPAGAYO...E WINDS 20 TO 25 KT. SEAS LESS TO 8 
FT.
.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N89W...
INLCUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 9 FT.
WITHIN 30 NM OF LINE FROM 10N89W TO 10N91W E WINDS 20 TO 25 KT. 
SEAS 
TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N89W...
INCLUDING GULF OF PAPAGAYO...E WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.18 HOUR FORECAST N OF 30N...INCLUDING GULF OF CALIFORNIA...SW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST FROM 17N TO 20N BETWEEN 105W AND 
110W...INCLUDING 
CABO CORRIENTES...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 17N TO 21N BETWEEN 105W AND 110W N WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1515 UTC TUE APR 07...

.TROUGH FROM 10N103W TO 05N106W TO 02N106W...SCATTERED MODERATE 
WITHIN 60 NM E OF TROUGH FROM 04N TO 07N AND WITHIN 120 NM W OF 
TROUGH 
FROM 04N TO 07N.

.SCATTERED MODERATE WITHIN 30 NM OF LINE FROM 12N124W TO 13N130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N84W TO 05N92W. ITCZ EXTENDS FROM 
05N92W TO
05N103W. IT RESUMES AT 05N106W TO 03N117W TO 05N130W TO BEYOND 
05N140W.
SCATTERED MODERATE WITHIN 60 NM N OF ITCZ BETWEEN 96W AND 101W 
AND 
WITHIN 30 NM OF ITCZ BETWEEN 85W AND 90W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC APR 07 2020.
24 HOUR FORECAST VALID 1200 UTC APR 08 2020.
48 HOUR FORECAST VALID 1200 UTC APR 09 2020.

.WARNINGS. 

.NONE. 

.SYNOPSIS AND FORECAST. 

.LOW 05N170E 1009 MB MOVING W SLOWLY. TROUGH FROM LOW TO 02N160E 
MOVING S SLOWLY. MAINLY NE TO E WINDS 20 TO 25 KT WITHIN 600 NM 
OF LOW N QUADRANT. ISOLATED MODERATE TSTMS WITHIN 120 NM OF LOW 
AND TROUGH E OF 161E...AND FROM 02N TO 08N BETWEEN 174E AND 
179E. 
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 11N171E TO 
05N165E. NE TO E WINDS 20 TO 25 KT FROM 09N TO 13N BETWEEN 165E 
AND 177E. 
.48 HOUR FORECAST TROUGH DISSIPATED OVER FORECAST WATERS. NE TO 
E WINDS 20 TO 25KT FROM 10N TO 14N W OF 169E. 

.TROUGH FROM 30N154W TO 24N156W TO 20N159W MOVING E SLOWLY. S 
WINDS 20 TO 30 KT WITHIN 240 NM E OF TROUGH N OF 23N. ISOLATED 
MODERATE TSTMS WITHIN 90 NM E OF TROUGH N OF 22N. 
.24 HOUR FORECAST TROUGH FROM 30N151W TO 23N157W TO 21N161W. S 
WINDS 20 TO 30 KT BETWEEN TROUGH AND 149W N OF 27N. 
.48 HOUR FORECAST TROUGH FROM 30N151W TO 23N154W TO 18N158W. S 
WINDS 20 TO 30 KT BETWEEN TROUGH AND 148W N OF 25N. 

.FRONT FROM 30N157W TO 25N161W TO 22N167W MOVING SE 10 KT. 
.24 HOUR FORECAST FRONT WEAKENED AND MERGED WITH TROUGH 
DESCRIBED ABOVE. 
.48 HOUR FORECAST NEW FRONT FROM 30N154W TO 24N161W. 

.FRONT FROM 30N163E TO 29N160E NEARLY STATIONARY. 
.24 HOUR FORECAST FRONT MOVED N OF FORECAST AREA. 
.48 HOUR FORECAST FRONT FROM 30N167E TO 27N160E. SW TO W WINDS 
20 TO 25 KT BETWEEN FRONT AND 170E N OF 28N. 

.HIGH 28N170E 1021 MB NEARLY STATIONARY. RIDGES FROM HIGH TO 
30N175E...FROM HIGH TO 25N160E...AND FROM HIGH TO 20N174W TO 
19N162W. 
.24 HOUR FORECAST HIGH 27N170E 1021 MB. 
.48 HOUR FORECAST HIGH 25N171E 1020 MB. 

.RIDGE FROM 30N143W TO 23N149W TO 20N155W MOVING E SLOWLY. 

.WINDS 20 KT OR LESS REST OF FORECAST AREA. 

.SEAS 8 TO 10 FT N OF LINE FROM 27N151W TO 25N154W TO 23N163W TO 
23N178W...AND SEAS MAINLY 8 TO 10 FT W OF LINE FROM 16N170E TO 
09N166W TO 05N168W. 
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF 26N BETWEEN 148W AND 
154W. SEAS 8 TO 10 FT FROM 10N TO 15N W OF 178W. 
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N BETWEEN 158W AND 
166W... AND N OF 29N BETWEEN 148W AND 151W. 

.SEAS 8 FT OR LESS REST OF FORECAST AREA. 

.ITCZ FROM 06N140W TO 04N155W TO 03N160W TO 01N170W. ISOLATED 
MODERATE TO LOCALLY STRONG TSTMS WITHIN 195 NM N...AND 60 NM 
S...OF ITCZ E OF 164W. 

$$ 

.FORECASTER KINEL. HONOLULU HI.