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From: <ldm@weather.cod.edu>
Subject: North Pacific: High Seas Analysis
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Date: Thu, 6 Jan 2022 10:18:54 +0000
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200 
FZPN01 KWBC 061018
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC JAN 06. 
24 HOUR FORECAST VALID 0600 UTC JAN 07. 
48 HOUR FORECAST VALID 0600 UTC JAN 08. 

.WARNINGS. 

...STORM WARNING... 
.LOW 52N175W 974 MB MOVING NW 20 KT. WITHIN 420 NM N SEMICIRCLE 
WINDS 40 TO 50 KT. SEAS 16 TO 29 FT. ELSEWHERE FROM 53N TO 61N 
BETWEEN 163W AND 171E WINDS...WITHIN 180 NM E SEMICIRCLE AND 
WITHIN 180 NM S AND 300 NM W SEMICIRCLES WINDS 25 TO 40 KT. SEAS 
10 TO 22 FT. 
.24 HOUR FORECAST LOW 54N171E 986 MB. WITHIN 540 NM NE 
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 14 TO 22 FT. ELSEWHERE WITHIN 
660 NM NE...300 NM SE AND 540 NM NW QUADRANTS WINDS 20 TO 30 KT. 
SEAS 8 TO 18 FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW AND CONDITIONS NW OF AREA. 

...STORM WARNING... 
.LOW 41N143W 1006 MB MOVING NE 25 KT. WITHIN 300 NM S QUADRANT 
WINDS 30 TO 40 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 900 NM 
NE...480 NM SE...600 NM S AND 780 NM W QUADRANTS WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST LOW 45N130W 990 MB. WITHIN 60 NM E OF A LINE 
FROM 48N125W TO 45N125W TO 40N125W AND WITHIN 180 NM W 
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 15 TO 27 FT. ELSEWHERE WITHIN 
240 NM NE...300 NM SE...SW AND 480 NM NW QUADRANTS WINDS 30 TO 
45 KT. SEAS 12 TO 22 FT. ALSO FROM 36N TO 56N BETWEEN 125W AND 
138W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW INLAND 49N115W 998 MB. WITHIN 840 NM SW 
AND 720 NM W QUADRANTS WINDS TO 25 KT. SEAS 8 TO 15 FT IN MIXED 
SWELL. 

...STORM WARNING... 
.LOW 43N177E 975 MB MOVING N 15 KT. BETWEEN 180 NM AND 720 NM SE 
AND 360 NM AND 840 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 
24 FT. ELSEWHERE WITHIN 840 NM SE AND 300 NM NW QUADRANTS WINDS 
25 TO 35 KT. SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW 50N177E 973 MB. BETWEEN 120 NM AND 420 NM 
N QUADRANT WINDS 30 TO 45 KT. SEAS 13 TO 20 FT. ELSEWHERE WITHIN 
720 NM NE...600 NM E...BETWEEN 240 NM AND 840 NM W AND WITHIN 
420 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 17 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST LOW 51N169W 980 MB. BETWEEN 120 NM AND 300 NM 
NE QUADRANT WINDS 30 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE 
WITHIN 900 NM NE...540 NM E...840 NM SE...420 NM SW AND 120 NM 
NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN MIXED SWELL. 

...STORM WARNING... 
.LOW 41N175E 984 MB. BETWEEN 300 NM AND 600 NM S AND 300 NM AND 
960 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 23 FT. 
ELSEWHERE WITHIN 720 NM SE AND BETWEEN 420 AND 1020 NM NW 
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW 45N166W 976 MB. WITHIN 300 NM NE...660 NM 
SE...240 NM SW AND 180 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 
15 TO 24 FT. ELSEWHERE WITHIN 540 NM N AND 840 NM SE QUADRANTS 
WINDS 20 TO 30 KT. SEAS 8 TO 18 FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW 50N166W 968 MB. WITHIN 420 NM NE AND 360 
NM SW QUADRANTS WINDS 30 TO 40 KT. SEAS 14 TTO 21 FT. ELSEWHERE 
WITHIN 600 NM NE...240 NM SE AND 600 NM NW QUADRANTS WINDS 20 TO 
30 KT. SEAS 8 TO 17 FT.  

...STORM WARNING...
.06 HOUR FORECAST LOW 39N161E 987 MB. WITHIN 900 NM SE AND 420 
NM S QUADRANTS WINDS 40 TO 55 KT. SEAS 20 TO 35 FT...HIGHEST 
NEAR 38N160E. 
.24 HOUR FORECAST LOW 40N178E 989 MB. BETWEEN 300 NM AND 600 NM 
SE...WITHIN 540 NM S AND 600 NM W QUADRANTS WINDS 35 TO 50 KT. 
SEAS 18 TO 31 FT. ELSEWHERE WITHIN 420 NM NE1020 NM SE...840 NM 
SW AND 960 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 21 FT. 
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 50N166W 
DESCRIBED ABOVE. 

...GALE WARNING... 
.LOW 53N156W 997 MB MOVING NW 30 KT. WITHIN 360 NM NE AND 480 NM 
NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 20 FT...HIGHEST NEAR 
55N156W. ELSEWHERE WITHIN 600 NM NE...240 NM SW AND 600 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 50N137W 989 MB MOVING SE 15 KT. WITHIN 300 NM NE...480 NM 
SE...240 NM S...SW AND 300 NM NW QUADRANTS WINDS 30 TO 45 KT. 
SEAS 10 TO 18 FT. ELSEWHERE WITHIN 420 NM NE...660 NM SE...420 
NM S AND 600 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT 
IN MIXED SWELL. 
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 45N130W 
DESCRIBED ABOVE.  

...GALE WARNING... 
.48 HOUR FORECAST NEW LOW 41N152W 982 MB. FROM 31N TO 45N 
BETWEEN 143W AND 153W AND BETWEEN 420 NM AND 960 NM SW 
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 15 TO 24 FT. ELSEWHERE WITHIN 
780 NM NE...720 NM SE...1260 NM SW AND 1200 NM W QUADRANTS WINDS 
20 TO 30 KT. SEAS 8 TO 20 FT. 

...GALE WARNING...
.48 HOUR FORECAST LOW 37N176E. WITHIN 300 NM SE AND 480 NM SW 
QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 22 FT. ELSEWHERE BETWEEN 
360 NM AND 660 NM NE...WITHIN 720 NM SE...600 NM SW AND 720 NM 
NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 18 FT.


...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A LINE FROM 
57N163W TO 62N176W. LIGHT TO MODERATE FREEZING SPRAY NE OF A 
LINE FROM 52N130W TO 59N144W TO 59N153W AND N OF A LINE FROM 
56N160W TO 60N179W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A 
LINE FROM 58N168W TO 62N176W. LIGHT TO MODERATE FREEZING SPRAY 
NE OF A LINE FROM 52N130W TO 59N145W TO 58N152W AND NE OF A LINE 
FROM 56N161W TO 60N179W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N W OF 
ALASKA. LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 
55N134W TO 59N142W AND N OF A LINE FROM 56N162W TO 58N172W TO 
61N178W. 

.SYNOPSIS AND FORECAST. 

.48 HOUR FORECAST LOW 36N163W 1008 MB. WITHIN 420 NM SE...S AND 
600 NM N WINDS 20 TO 30 KT. SEAS 10 TO 20 FT IN MIXED SWELL.

.S OF 36N BETWEEN 119W AND 123W 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 53N TO 56N 
BETWEEN 149W AND 173E AND FROM 50N TO 54N BETWEEN 127W AND 136W. 
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM 
49N172W TO 44N156W. 
.48 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 145W AND 
156W AND WITHIN 1800 NM NW OF A LINE FROM 49N165E TO 51N168E. 

.HIGH 31N128W 1028 MB MOVING SW 10 KT. 
.24 HOUR FORECAST DISSIPATED. 

.24 HOUR FORECAST HIGH 33N153W 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 0600 UTC THU JAN 6.
24 HOUR FORECAST VALID 0600 UTC FRI JAN  7.
48 HOUR FORECAST VALID 0600 UTC SAT JAN  8.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 09N123W TO 05N140W TO 29N140W TO 30N116W TO 22N112W TO
09N123W WINDS 20 KT OR LESS. SEAS 10 TO 12 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 15N110W TO 08N117W TO 04N140W TO
21N140W TO 30N118W TO 15N110W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 04N119W TO 04N123W TO 07N123W TO
07N121W TO 07N118W TO 04N119W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW TO N SWELL. WITHIN 19N138W TO 16N140W TO 30N140W TO
30N136W TO 19N138W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO
NW SWELL.

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

CONVECTION VALID AT 0900 UTC THU JAN 6...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N78W TO 04N80W TO 08N85W TO 06N90W. ITCZ 
FROM 06N90W TO 09N110W TO 07N115W TO BEYOND 08N140W. SCATTERED 
MODERATE FROM 10N TO 12N BETWEEN 104W AND 107W. SCATTERED 
MODERATE ISOLATED STRONG FROM 08N TO 12N BETWEEN 127W AND 133W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.


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