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Subject: North Pacific: High Seas Analysis
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Date: Thu, 6 Jan 2022 04:20:18 +0000
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102 
FZPN01 KWBC 060420
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI 
0430 UTC THU JAN 06 2022 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

SECURITE 

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

SYNOPSIS VALID 0000 UTC JAN 06. 
24 HOUR FORECAST VALID 0000 UTC JAN 07. 
48 HOUR FORECAST VALID 0000 UTC JAN 08. 

.WARNINGS. 

...STORM WARNING... 
.LOW 51N174W 968 MB MOVING NW 20 KT. WITHIN 420 NM N QUADRANT 
WINDS 40 TO 50 KT. SEAS 18 TO 28 FT. ELSEWHERE FROM 51N TO 60N 
BETWEEN 160W AND 175E WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. ALSO 
N OF 51N W OF 160W WINDS TO 25 KT. SEAS 10 TO 14 FT. 
.24 HOUR FORECAST LOW 54N174E 980 MB. WITHIN 540 NM NE QUADRANT 
WINDS 35 TO 45 KT. SEAS 16 TO 27 FT. ELSEWHERE WITHIN 660 NM 
NE...420 NM SW AND 180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 
12 TO 22 FT. 
.48 HOUR FORECAST LOW AND CONDITIONS NW OF AREA. 

...STORM WARNING... 
.LOW 39N146W 1006 MB MOVING NE 25 KT. WITHIN 180 NM SE QUADRANT 
WINDS 30 TO 40 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 900 NM 
NE...540 NM SE AND 600 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 
TO 10 FT.  
.24 HOUR FORECAST LOW 44N133W 990 MB. WITHIN 420 NM NE...300 NM 
SE...120 NM SW AND 120 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS 
14 TO 27 FT. ELSEWHERE WITHIN 420 NM SE...720 NM SW AND 300 NM 
NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT IN MIXED SWELL.
 .48 HOUR FORECAST LOW INLAND 49N117W 999 MB. WITHIN 480 NM SW 
QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 
660 NM SW AND W QUADRANTS WINDS TO 25 KT. SEAS 9 TO 16 FT. 

...STORM WARNING... 
.LOW 43N170E 982 MB MOVING NE 25 KT. BETWEEN 420 NM AND 720 NM 
SE AND 180 NM AND 840 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 16 
TO 26 FT. ELSEWHERE WITHIN 900 NM SE AND 480 NM NW QUADRANTS 
WINDS 25 TO 35 KT. SEAS 8 TO 20 FT. 
.24 HOUR FORECAST LOW 48N176E 968 MB. WITHIN 360 NM NE...120 NM 
SE...90 SW AND W QUADRANTS WINDS 40 TO 50 KT. SEAS 15 TO 22 FT. 
ELSEWHERE WITHIN 540 NM NE...180 NM SE...SW AND 300 NM NW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 17 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW 51N173W 978 MB. WITHIN 300 NM NE QUADRANT 
WINDS 30 TO 45 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 900 NM 
NE...540 NM SE...660 NM SW AND 240 NM NW QUADRANTS WINDS 20 TO 
30 KT. SEAS 8 TO 14 FT IN MIXED SWELL. 

...STORM WARNING... 
.12 HOUR FORECAST LOW 39N162E 989 MB. WITHIN 600 NM SE AND 360 
NM S QUADRANTS WINDS 40 TO 55 KT. SEAS 20 TO 34 FT...HIGHEST 
NEAR 38N160E. 
.24 HOUR FORECAST LOW 35N172E 990 MB. WITHIN 300 NM SW 
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 22 TO 34 FT...HIGHEST NEAR 
35N171E. ELSEWHERE WITHIN 540 NM NE...600 NM SE...SW AND 480 NM 
NW QUADRANTS WINDS 25 TO 40 KT. SEAS 15 TO 26 FT. ALSO FROM 30N 
TO 41N BETWEEN 171W AND 160E WINDS 20 TO 30 KT. SEAS 12 TO 20 
FT. 
.48 HOUR FORECAST LOW 35N156W 990 MB. WITHIN 600 NM NE...600 NM 
SW AND 840 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 16 TO 22 FT. 
ELSEWHERE WITHIN 1020 NM NE...360 NM SE...1200 NM W AND 960 NM 
NW WINDS 20 TO 30 KT. SEAS 8 TO 20 FT. 

...GALE WARNING... 
.LOW 41N179E 977 MB MOVING NE 20 KT. WITHIN 660 NM SE...S AND 
720 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 15 TO 24 FT. 
ELSEWHERE WITHIN 900 NM SE...840 NM SE AND 300 NM W QUADRANTS 
WINDS 20 TO 30 KT. SEAS 12 TO 19 FT.   
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 48N176E 
DESCRIBED ABOVE. 

...GALE WARNING... 
.LOW 53N156W 994 MB MOVING NW 15 KT. WITHIN 480 NM NE AND 360 NM 
NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 18 FT...HIGHEST NEAR 
55N152W. ELSEWHERE WITHIN 600 NM NE...300 NM SW AND 420 NM NW 
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT IN MIXED SWELL. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 

...GALE WARNING... 
.LOW 50N141W 988 MB MOVING NE 15 KT. WITHIN 360 NM NE...600 NM 
SE...180 NM SW AND 360 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 
10 TO 17 FT. ELSEWHERE WITHIN 480 NM NE...840 NM SE...300 NM S 
AND 600 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN 
MIXED SWELL. 
.24 HOUR FORECAST LOW 50N129W 991 MB. FROM 47N TO 53N E OF 138W 
WINDS 25 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 120 NM 
N...300 NM SW AND 840 NM NW QUADRANTS WINDS TO 25 KT. SEAS 9 TO 
14 FT. 
.48 HOUR FORECAST LOW INLAND AND CONDITIONS ABSORBED BY LOW 
49N117W DESCRIBED ABOVE. 

...GALE WARNING... 
.48 HOUR FORECAST NEW LOW 49N167W 970 MB. FROM 47N TO 54N 
BETWEEN 160W AND 171W WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. 
ELSEWHERE WITHIN 600 NM NE QUADRANT WINDS TO 25 KT. ELSEWHERE 
WITHIN 600 NM NE...300 NM SE...540 NM SW AND 600 NM NW QUADRANTS 
WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 


...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A LINE FROM 
57N163W TO 61N176W. LIGHT TO MODERATE FREEZING SPRAY NE OF A 
LINE FROM 52N132W TO 59N145W TO 58N153W AND N OF A LINE FROM 
57N160W TO 60N179W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A 
LINE FROM 57N161W TO 60N172W TO 62N174W. LIGHT TO MODERATE 
FREEZING SPRAY NE OF A LINE FROM 52N131W TO 59N141W TO 59N152W 
AND NE OF A LINE FROM 56N161W TO 61N177W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF 
ALASKA. LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 
52N130W TO 59N141W AND N OF A LINE FROM 56N161W TO 59N172W TO 
60N178W. 

.SYNOPSIS AND FORECAST. 

.S OF 36N BETWEEN 119W AND 124W AREA OF NW TO N WINDS TO 25 KT. 
SEAS 9 TO 13 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.SEMISOPOCHNOI VOLCANO (AT POSITION 51.6N 179.4E) LOCATED 140 
NAUTICAL MILES W OF ADAK ISLAND IS CURRENTLY EXPERIENCING LOW 
LEVEL ERUPTIVE ACTIVITY. GIVEN THE RECENT HISTORY OF ERUPTIVE 
ACTIVITY AT THE VOLCANO...ADDITIONAL EMISSIONS MAY OCCUR AT ANY 
TIME. MARINERS ENCOUNTERING VOLCANIC ASH OR FLOATING VOLCANIC 
DEBRIS ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN 
PREDICTION CENTER BY CALLING 301 683 1520. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 55N 
BETWEEN 129W AND 150W AND WITHIN 180 NM N OF A LINE FROM 52N150W 
TO 51N177E. 
.24 HOUR FORECAST DENSE FOG FROM 44N TO 49N BETWEEN 160W AND 
170W AND FROM 47N TO 53N BETWEEN 175W AND 180W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 52N BETWEEN 141W AND 
156W AND WITHIN 300 NM NW OF A LINE FROM 51N177E TO 48N170E.  

.HIGH 34N130W 1028 MB MOVING SW 10 KT. 
.24 HOUR FORECAST HIGH S OF AREA.  

.24 HOUR FORECAST HIGH 32N153W 1021 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.FORECASTER FUTTERMAN. 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 THU JAN 6.
24 HOUR FORECAST VALID 0000 UTC FRI JAN  7.
48 HOUR FORECAST VALID 0000 UTC SAT JAN  8.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N117W TO 06N126W TO 06N140W TO 30N140W TO 30N117W TO
16N117W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 08N124W TO 04N140W TO 22N140W TO
30N118W TO 19N111W TO 08N124W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 07N112W TO 03N122W TO 07N125W TO
13N120W TO 15N113W TO 07N112W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW TO N SWELL. WITHIN 09N135W TO 09N140W TO 30N140W TO 30N137W
TO 19N137W TO 09N135W WINDS 20 KT OR LESS. SEAS 8 FT IN NW
SWELL.

.WITHIN 10N88W TO 10N89W TO 12N89W TO 12N87W TO 11N86W TO
10N88W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT.

.WITHIN 01N103W TO 02N106W TO 05N106W TO 05N101W TO 01N103W
WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.12 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 0300 UTC THU JAN 6...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N77W TO 04.5N80W TO 08N85W TO 1010 MB LOW 
PRESSURE NEAR 07.5N88W TO 07N105W. ITCZ FROM 07N105W TO 08N110W 
TO 07N115W TO BEYOND 08N140W. SCATTERED MODERATE FROM 08N TO 12N
BETWEEN 101W AND 117W. SCATTERED MODERATE ISOLATED STRONG 
FROM 08N TO 10N BETWEEN 128W AND 137W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.


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