East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 191125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC TUE MAR 19 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC MAR 19. 
24 HOUR FORECAST VALID 0600 UTC MAR 20.
48 HOUR FORECAST VALID 0600 UTC MAR 21.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN LOW W OF AREA NEAR 47N158E 972 MB MOVING
SE 10 KT. WITHIN 300 NM NE AND 480 NM E...900 NM SE...AND 660 NM
S QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE FROM
30N TO 53N W OF 176E WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST COMPLEX LOW 44N163E 978 MB. WITHIN 480 NM S
QUADRANT WINDS 30 TO 45 KT. SEAS 20 TO 28 FT. ELSEWHERE FROM 30N
TO 54N W OF 170E WINDS 25 TO 40 KT. SEAS 9 TO 21 FT...HIGHEST
FROM 34N TO 45N W OF 170E.
.48 HOUR FORECAST COMBINED LOW 46N176E 993 MB. FROM 30N TO 52N W
OF 180W WINDS 25 TO 35 KT. SEAS 9 TO 23 FT...HIGHEST SEAS WITHIN
480 NM S QUADRANT.

...STORM WARNING...
.COMPLEX LOW WITH FIRST LOW 53N174W 988 MB MOVING N 20 KT AND
SECOND LOW 47N163W 992 MB MOVING N 35 KT. BETWEEN 240 NM AND 540
NM E QUADRANT OF FIRST LOW...AND WITHIN 300 NM E SEMICIRCLE OF
SECOND LOW WINDS 35 TO 50 KT. SEAS 10 TO 22 FT...HIGHEST NEAR
47N162W AND 53N166W. ELSEWHERE WITHIN 600 NM N...720 NM E...840
NM E...1200 NM SE AND S...AND 360 NM W QUADRANTS...AND FROM 30N
TO 40N BETWEEN 153W AND 180W  WINDS 25 TO 40 KT. SEAS 10 TO 20
FT.
.24 HOUR FORECAST COMBINED LOW 60N179W 982 MB. WITHIN 480 NM
NE...900 NM SE...AND 240 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 9
TO 17 FT...EXCEPT SEAS 8 TO 12 FT IN THE BERING SEA.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 45N169E 984 MB MOVING NE 25 KT. CONDITIONS DESCRIBED ABOVE
WITH LOW 47N158E.
.24 HOUR FORECAST LOW 50N177E 983 MB. FROM 30N TO 53N BETWEEN
170E AND A LINE FROM 53N166W TO 42N166W TO 30N179W WINDS 25 TO 40
KT. SEAS 9 TO 21 FT...HIGHEST FROM 36N TO 45N W OF 173E.
.48 HOUR FORECAST LOW 61N177W 991 MB. WITHIN 240 NM NE OF A LINE
FROM 42N168W TO 56N168W WINDS 30 TO 45 KT. SEAS 9 TO 18 FT.
ELSEWHERE FROM N OF 36N BETWEEN 160W AND 170W...AND N OF 58N W OF
ALASKA WINDS 20 TO 30 KT. SEAS 9 TO 17 FT...EXCEPT SEAS TO 10 FT
IN THE BERING SEA.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 43N155W 1012 MB. FROM 33N TO 46N
BETWEEN 137W AND 158W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
ELSEWHERE FROM 34N TO 50N BETWEEN 150W AND 170W WINDS 20 TO 30
KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW 41N138W 1007 MB. FROM 33N TO 53N BETWEEN
130W AND 150W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW W OF AREA NEAR 37N150E 975 MB. EXCEPT WHERE
DESCRIBED WITH LOW 36N175E 993 MB...S OF A LINE FROM 45N160E TO
37N170E WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF 175W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 59N173W TO
53N180W TO 54N169E.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 52N W OF
176W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 60N178W TO 52N176E TO 51N166E TO 52N164E.

.SYNOPSIS AND FORECAST.

.LOW 39N140W 1016 MB MOVING NE 05 KT. FROM 36N TO 44N BETWEEN
135W AND 145W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 43N155W IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 64N
BETWEEN 165W AND 178W...AND FROM 45N TO 50N BETWEEN 160E AND
171E.
.24 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 163W AND 178E...AND
FROM 48N TO 53N BETWEEN 170W AND 160E.
.48 HOUR FORECAST DENSE FOG N OF 64N W OF ALASKA...FROM 55N TO
62N BETWEEN 160W AND 172W...AND FROM 48N TO 55N BETWEEN 169W AND
173E.

.FORECASTER EHRBAR. OCEAN PREDICTION CENTER.

NWS 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 0600 UTC TUE MAR 19.
24 HOUR FORECAST VALID 0600 UTC WED MAR 20.
48 HOUR FORECAST VALID 0600 UTC THU MAR 21.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94.5W TO 16N95.5W TO 15.5N95.5W TO 15.5N94.5W TO
16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 8 FT. ELSEWHERE WITHIN 15.5N94W TO 15.5N95W TO 14N96W 
TO 14N95W TO 14N94W TO 15.5N94W N WINDS 20 TO 30 KT. SEAS TO 8 
FT.
.12 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 12N96W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 23N136W 1012 MB. WITHIN 25N139W TO 30N139W TO 
30N140W TO 19N140W TO 21N137W TO 25N139W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 28N128W TO 29N131W TO 
29N136W TO 26N138W TO 25N135W TO 24N128W TO 28N128W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
8 FT IN NW SWELL.

.WITHIN 12N108W TO 13N119W TO 08N135W TO 04N130W TO 04N107W TO
12N108W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 08N103W TO 10N110W TO 10N126W TO
07N127W TO 05N118W TO 04N111W TO 08N103W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 11N117W TO 13N122W TO 12N128W TO
09N135W TO 04N126W TO 07N118W TO 11N117W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW SWELL.

.WITHIN 01N96W TO 02N101W TO 01N122W TO 03.4S120W TO 03.4S97W TO
01N96W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NW AND SE
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

CONVECTION VALID AT 0830 UTC TUE MAR 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH EXTENDS FROM 10N85W TO 04N95W TO 03N100W. THE 
ITCZ CONTINUES FROM 03N100W TO 02N115W TO 04N140W. SCATTERED 
MODERATE FROM 03N TO 06N BETWEEN 82W AND 92W...AND FROM 06N TO 
08N BETWEEN 104W AND 107W.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC MAR 19 2024.
24 HOUR FORECAST VALID 0600 UTC MAR 20 2024.
48 HOUR FORECAST VALID 0600 UTC MAR 21 2024.

.WARNINGS.

...GALE WARNING....
.48 HOUR FORECAST NEW FRONT NEAR 30N162E 28N160E. WINDS 20
TO 35 KT N OF 25N W OF 165E. SEE SEAS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT 30N168W 25N166W 20N180W 21N177W MOVING E 25 KT E OF 180W
AND NEARLY STATIONARY AND DISSIPATING ELSEWHERE. WINDS 20 TO
25 KT WITHIN 150 NM OF FRONT N OF 25N. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT 30N151W 26N162W. WINDS DECREASED
TO 20 KT OR LESS. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST AREA.

.FRONT 30N162E 29N160E. MOVING E 25 KT. WINDS 20 TO 25 KT WITHIN
150 NM OF FRONT. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT 30N172E 25N173E. WINDS 20 TO 25 KT WITHIN
150 NM OF FRONT N OF 26N. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT 30N175E 25N171E. WINDS 20 TO 25
KT W OF 162E N OF 26N. WINDS DIMINISHING TO LESS THAN 20 KT
ACROSS AREA. SEE SEAS BELOW.

.OTHERWISE...WINDS 20 KT OR BELOW OVER REMINDER OF FORECAST AREA.

.SEAS 12 TO 16 FT N OF 25N BETWEEN 180W AND 170W. SEAS 8 TO 12 FT
ELSEWHERE N OF LINE 15N160E 15N180W 25N170W 30N165W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N180W 15N180W
15N170W 30N155W...AND N OF LINE 25N160E 30N175E.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N160W 20N160W
20N150W 30N145W...AND 15N160E 30N175W.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMINDER OF FORECAST AREA.

.ITCZ 04N140W 02N150W. ISOLATED MODERATE TSTMS WITHIN 210 NM OF
ITCZ.

.ISOLATED MODERATE TSTMS WITHIN 150 NM OF POINT 03N173E...AND
S OF 10N BETWEEN 180W AND 165E.

$$

.FORECASTER PECHACEK. HONOLULU HI.