North Pacific High Seas Forecast

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FZPN01 KWBC 230426
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC WED JAN 23 2019 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC JAN 23. 
24 HOUR FORECAST VALID 0000 UTC JAN 24. 
48 HOUR FORECAST VALID 0000 UTC JAN 25. 

.WARNINGS. 

...STORM WARNING... 
.LOW 50N162W 971 MB MOVING N 30 KT NEXT 18 HOURS THEN TURNING 
NW. FRONT EXTENDS FROM 51N159W TO 45N155W TO 38N158W TO 30N167W. 
FROM 44N TO 47N BETWEEN 157W AND 164W AND WITHIN 120 NM E OF 
FRONT N OF 43N WINDS 40 TO 50 KT. SEAS 20 TO 30 FT. ALSO FROM 
41N TO 54N BETWEEN 154W AND 166W AND WITHIN 240 NM NE AND E OF 
FRONT WINDS 25 TO 40 KT. SEAS 12 TO 26 FT. ELSEWHERE FROM 30N TO 
55N BETWEEN 148W AND 167W AND 54N TO 60N BETWEEN 144W AND 157W 
WINDS 20 TO 30 KT. SEAS 11 TO 24 FT...EXCEPT N OF 54N 8 TO 11 FT.
.24 HOUR FORECAST LOW 61N167W 979 MB. WITHIN 300 NM NW 
SEMICIRCLE AND 240 NM SE QUADRANT AND N OF 56N E OF 155W WINDS 
20 TO 30 KT. SEAS IN ICE FREE WATERS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS MERGED WITH LOW 
60N166W BELOW. 

...STORM WARNING... 
.LOW 35N170E 999 MB MOVING NE 45 KT. WITHIN 240 NM S AND SW 
QUADRANTS WINDS 25 TO 35 KT. SEAS 18 TO 22 FT WITH NW SWELL. 
.24 HOUR FORECAST LOW 41N168W 986 MB. FROM 37N TO 43N BETWEEN 
163W AND 167W WINDS 35 TO 50 KT. SEAS 15 TO 25 FT. ELSEWHERE 
FROM 35N TO 44N BETWEEN 161W AND 168W WINDS 25 TO 35 KT. SEAS 12 
TO 18 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND ALASKA WITH CONDITIONS 
AS DESCRIBED WITH FIRST GALE WARNING BELOW.

...STORM WARNING... 
.24 HOUR FORECAST NEW LOW 34N167W 996 MB. OVER FORECAST WATERS 
WITHIN 360 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 17 FT.
.36 HOUR FORECAST LOW 42N158W 980 MB. WITHIN 240 NM E AND SE AND 
180 NM S QUADRANTS WINDS 40 TO 50 KT. SEAS 17 TO 25 FT.
.48 HOUR FORECAST LOW 50N155W 963 MB. FRONT TO EXTEND FROM LOW 
TO 45N150W TO 40N150W TO 30N160W. WITHIN 120 NM S SEMICIRCLE AND 
90 NM W QUADRANT WINDS 50 TO 60 KT. SEAS 20 TO 36 FT. ALSO FROM 
46N TO 53N BETWEEN 145W AND 154W AND WITHIN 150 NM W AND SW 
SEMICIRCLES WINDS 35 TO 50 KT. SEAS 14 TO 28 FT. ELSEWHERE 
WITHIN 240 NM W AND 300 NM E SEMICIRCLES AND WITHIN 360 NM NE 
AND E OF FRONT WINDS 25 TO 40 KT. SEAS 10 TO 23 FT. 

...STORM WARNING... 
.36 HOUR FORECAST NEW LOW 57N152W 994 MB. OVER FORECAST WATERS 
WITHIN 180 NM N QUADRANT WINDS 35 TO 50 KT. SEAS 8 TO 16 FT. 
.48 HOUR FORECAST LOW INLAND WITH CONDITIONS AS DESCRIBED WITH 
COMPLEX LOW IN FIRST GALE WARNING BELOW.

...GALE WARNING... 
.LOW 44N175W 978 MB MOVING NE 25 KT THEN TURNING MORE N IN 12 
HOURS AND SLOWING AFTER 24 HOURS. BETWEEN 43N AND A LINE FROM 
35N173W TO 39N160E WINDS 30 TO 45 KT. SEAS 16 TO 30 FT...HIGHEST 
NEAR 40N177E. ELSEWHERE OVER FORECAST WATERS WITHIN 600 NM S AND 
SW QUADRANTS AND FROM 38N TO 45N W OF 173E WINDS 25 TO 35 KT. 
SEAS 14 TO 26 FT. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 52N168W 978 MB WITH 
A FRONT FROM MAIN LOW TO A NEW SECOND LOW 51N158W 985 MB TO 
49N151W TO 40N148W. FROM 48N TO 53N BETWEEN 155W AND 169W AND 
WITHIN 240 NM NE AND E OF FRONT E OF SECOND LOW WINDS 25 TO 40 
KT. SEAS 12 TO 20 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 55N165W 982 MB AND 
SECOND LOW 60N166W 978 MB. FRONT TO EXTEND FROM SECOND LOW TO 
59N147W TO 57N139W TO 48N130W. OVER FORECAST WATERS WITHIN 240 
NM E QUADRANT OF SECOND LOW AND WITHIN 120 NM N OF FRONT W OF 
150W WINDS 25 TO 35 KT. SEAS IN ICE FREE WATERS TO 10 FT. 
ELSEWHERE NE OF FRONT AD WITHIN 240 NM SE AND E SEMICIRCLES OF 
FIRST LOW WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING... 
.LOW 54N175W 963 MB MOVING NW 15 KT. OVER FORECAST WATERS 
BETWEEN 240 NM AND 540 NM N QUADRANT AND WITHIN 540 NM NW 
QUADRANT WINDS 25 TO 40 KT. SEAS IN ICE FREE WATERS 9 TO 20 
FT...HIGHEST NEAR 55N176E.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 56N177E 968 MB. 
WITHIN 420 NM NW SEMICIRCLE AND BETWEEN 180 NM AND 420 NM SW 
QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 23 FT. 
.48 HOUR FORECAST LOW 52N177E 974 MB. FROM 46N TO 52N BETWEEN 
176W AND 173E WINDS 25 TO 40 KT. SEAS 11 TO 20 FT. 

...GALE WARNING... 
.LOW 50N133W 1006 MB MOVING SE 20 KT. FRONT EXTENDS FROM LOW TO 
49N130W TO 43N140W TO 33N150W. OVER FORECAST WATERS WITHIN 180 
NM NE AND E OF FRONT N OF 48N WINDS 25 TO 35 KT. SEAS 10 TO 15 
FT. ELSEWHERE WITHIN 180 NM OF LOW AND WITHIN 540 NM S AND SE 
QUADRANTS AND WITHIN 420 NM E OF FRONT WINDS 20 TO 30 KT. SEAS 8 
TO 17 FT...HIGHEST NEAR 46N136W.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS 
DIMINISHED. 

...GALE WARNING... 
.24 HOUR FORECAST LOW 38N177W 991 MB. OVER FORECAST WATERS 
WITHIN 540 NM S AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 
21 FT. 
.48 HOUR FORECAST LOW 41N161W 991 MB. WITHIN 180 NM S AND SW 
QUADRANTS WINDS 30 TO 45 KT. SEAS 15 TO 26 FT. 

...GALE WARNING... 
.48 HOUR FORECAST COMPLEX LOW WITHIN MEAN CENTER 44N165E 981 MB. 
OVER FORECAST WATERS FROM 34N TO 39N W OF 169E WINDS 35 TO 45 
KT. SEAS 14 TO 25 FT. ELSEWHERE WITHIN 180 NM NE SEMICIRCLE AND 
360 NM SE AND S QUADRANTS AND FROM 31N TO 40N W OF 174E WINDS 25 
TO 40 KT. SEAS 10 TO 22 FT.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
N OF 57N W OF 172W. 
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 
170W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 
171W. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 49N 
BETWEEN 126W AND 134W AND FROM 45N TO 51N BETWEEN 157W AND 161W. 
.24 HOUR FORECAST DENSE FOG FROM 39N TO 49N BETWEEN 139W AND 
151W. 
.48 HOUR FORECAST DENSE FOG FROM 37N TO 46N BETWEEN 143W AND 
155W. 

.HIGH 36N131W 1035 MB DRIFTING N. 
.24 HOUR FORECAST HIGH 37N133W 1035 MB. 
.48 HOUR FORECAST HIGH 40N133W 1034 MB. 

.FORECASTER BANCROFT. 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 0000 UTC WED JAN 23.
24 HOUR FORECAST VALID 0000 UTC THU JAN 24.
48 HOUR FORECAST VALID 0000 UTC FRI JAN 25.

.WARNINGS.

...GALE WARNING...

.27 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94W AND 
95.5W N TO NE WINDS 25 TO 35 KT. SEAS BUILDING TO 8 FT. 
.30 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 8 TO 9 
FT...BUILDING TO 16 FT. ELSEWHERE N OF 13.5N BETWEEN 93.5W AND 
96W N TO NE WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST N OF 13.5N BETWEEN 94W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 13 
FT. ELSEWHERE N OF 10N BETWEEN 93W AND 99W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.SURFACE TROUGH FROM 04N127W TO 13N126W. FROM 08N TO 21N BETWEEN 
125W AND 132W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE S OF 27N AND W OF A LINE FROM 27N125W TO 22N120W TO 
16N121W TO 09N129W TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NE SWELL.
.24 HOUR FORECAST SURFACE TROUGH FROM 12N130W TO 17N128W. FROM 
13N TO 20N BETWEEN 124W AND 132W NE TO E WINDS 20 TO 25 KT. SEAS 
9 TO 11 FT...BUILDING TO 13 FT. ELSEWHERE WITHIN A LINE FROM 
30N137W TO 17N121W AND A LINE FROM 12N140W TO 10N120W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST SURFACE TROUGH FROM 11N130W TO 18N128W. FROM 
10N TO 18N BETWEEN 123W AND 132W NE TO E WINDS 20 TO 30 KT. SEAS 
9 TO 14 FT. ELSEWHERE WITHIN A LINE FROM 30N131W TO 17N127W TO 
15N121W AND A LINE FROM 13N140W TO 08N123W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.

.WITHIN A LINE FROM 30N117W TO 23N112W AND A LINE FROM 30N125W 
TO 21N116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND 
NW SWELL.
.06 HOUR FORECAST FROM 22N TO 28N E OF 116W NE WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.18 HOUR FORECAST FROM 20N TO 26N BETWEEN 115W AND 121W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN NW SWELL.
.24 HOUR FORECAST FROM 19N TO 23N BETWEEN 118W AND 122W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN NW SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.  

.GULF OF CALIFORNIA N OF 22N NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 22N NW WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT. 
.48 HOUR FORECAST FROM 25N TO 29N NW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.

.FROM 9.5N TO 11.5N E OF 90W...INCLUDING THE GULF OF 
PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 
01N TO 11N BETWEEN 90W AND 114W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN NW SWELL. 
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 87W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LITTLE CHANGE.  

.N OF 06N BETWEEN 79W AND 81W...INCLUDING GULF OF PANAMA...N TO 
NE WINDS 20 TO 25 KT. SEAS TO 8 FT.  
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0245 UTC WED JAN 23...

.SURFACE TROUGH FROM 03N126W TO 13N126W...SCATTERED MODERATE 
FROM 04N TO 18N BETWEEN 117W AND 126W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 06N77W TO 05N84W TO 05N90W. ITCZ FROM 05N90W 
TO 05N97W TO 03N110W TO 05N123W...THEN RESUMES NEAR 04N130W TO 
04N140W. SCATTERED MODERATE FROM 04N TO 07N BETWEEN 99W AND 105W 
AND FROM 03N TO 09N BETWEEN 109W AND 135W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.