North Pacific High Seas Forecast

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FZPN01 KWBC 030412
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE DEC 03 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

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 0000 UTC DEC 03. 
24 HOUR FORECAST VALID 0000 UTC DEC 04.
48 HOUR FORECAST VALID 0000 UTC DEC 05.

.WARNINGS.

...STORM WARNING... 
.LOW 46N152W 976 MB MOVING NW 25 KT. WITHIN 300 NM NE AND 420 NM
SE QUADRANTS WINDS 40 TO 50 KT. SEAS 12 TO 20 FT. ELSEWHERE 
WITHIN 540 NM NE...840 NM SE...960 NM S AND 840 NM SW QUADRANTS 
WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.  
.24 HOUR FORECAST LOW 56N155W 971 MB. WITHIN 90 NM NW AND N OF A
LINE FROM 56N155W TO 60N146W...WITHIN 90 NM N AND NE OF LINE FROM
60N146W TO 58N140W TO 53N133W WINDS 35 TO 50 KT. SEAS 13 TO 23 
FT. ELSEWHERE N OF 50N BETWEEN 129W AND 155W AND WITHIN 180 NM 
SW AND 240 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.   
.48 HOUR FORECAST LOW 59N163W 982 MB. N OF 53N BETWEEN 140W AND 
166W AND N OF 53N BETWEEN 166W AND 174E WINDS 25 TO 35 KT. SEAS 
8 TO 16 FT...HIGHEST NEAR 56N151W. SEAS 8 TO 12 FT N OF THE 
ALEUTIAN ISLANDS.

...GALE WARNING...
.LOW 57N143W 994 MB MOVING W 15 KT. N OF 40N BETWEEN 130W AND 
140W AND N OF 50N E OF 140W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 56N155W.

...GALE WARNING...
.LOW 54N169W 986 MB MOVING SW 15 KT. W AND N OF A LINE FROM 
50N180W TO 54N175W TO 60N171W TO 62N167W WINDS 25 TO 35 KT. SEAS
8 TO 15 FT.
.24 HOUR FORECAST LOW 52N176W 985 MB. N OF 50N BETWEEN 180W AND 
166W AND BETWEEN 240 NM AND 780 NM NW AND N QUADRANTS WINDS 25 
TO 40 KT. SEAS 9 TO 17 FT...EXCEPT E OF 179W SEAS TO 10 FT. 
.48 HOUR FORECAST LOW ABSORBED WITH LOW 59N163W AND CONDITIONS 
DESCRIBED ABOVE. 

...GALE WARNING...
.LOW 46N162W 972 MB MOVING NE 10 KT. WITHIN 300 NM S SEMICIRCLE 
AND BETWEEN 60 NM AND 260 NM W AND NW QUADRANTS WINDS 25 TO 35 
KT. SEAS 9 TO 16 FT...HIGHEST NEAR 43N162W.  
.24 HOUR FORECAST LOW 50N158W 976 MB. WITHIN 360 NM NE...300 NM 
SE...SW AND 420 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 
FT...HIGHEST NEAR 49N161W.  
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 

...GALE WARNING...
.LOW 40N164W 991 MB MOVING SE 30 KT. WITHIN 240 NM SE...480 NM SW
AND 900 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 22 
FT...HIGHEST NEAR 37N174W. ELSEWHERE WITHIN 300 NM NE...480 NM 
SE...960 NM SW AND 1020 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9
TO 17 FT.   
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR
41N172W 990 MB. WITHIN 240 NM NW OF A LINE FROM 43N154W TO 
39N163W AND WITHIN 420 NM SE AND 780 NM SW QUADRANTS WINDS 30 TO
45 KT. SEAS 12 TO 25 FT...HIGHEST NEAR 41N163W. ELSEWHERE WITHIN
960 NM NE...1200 NM SE...1020 NM SW AND NW QUADRANTS WINDS 25 TO
35 KT. SEAS 8 TO 20 FT...HIGHEST SW QUADRANT.  
.48 HOUR FORECAST LOW 43N156W 989 MB. WITHIN 480 NM NE...840 NM
SE AND 1020 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. 

...GALE WARNING...
.LOW 47N169E LOW 999 MB MOVING SE 25 KT. WITHIN 1020 NM SE...660
NM SW AND 420 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 17 
FT. 
.24 HOUR FORECAST LOW 38N174E 1008 MB. FROM 40N TO 50N BETWEEN 
175W AND 167E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW 48N170W 985 MB. BETWEEN 120 NM AND 720 NM 
SW SEMICIRCLE WINDS 30 TO 45 KT. SEAS 12 TO 23 FT...HIGHEST NEAR
44N175W. ELSEWHERE FROM 30N TO 50N BETWEEN 163W AND 174E WINDS 
20 TO 30 KT. SEAS 9 TO 17 FT. 

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 42N141W 1004 MB. WITHIN 240 NM SE AND 
300 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW 46N136W 1006 MB. WITHIN 240 NM NE AND 300 
NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 44N162E 999 MB. N OF
30N W OF 169E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.  

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 62N E OF 172W. ELSEWHERE 
LIGHT TO MODERATE FREEZING SPRAY FROM N OF 53N E OF 175W
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N E OF
172W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N E OF 
170E. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 58N TO 
60N E OF 169W AND N OF 60N E OF 179W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS FROM 44N TO 50N 
BETWEEN 132W AND 147W...FROM 50N TO 54N BETWEEN 161W AND 167W 
AND WITHIN 90 NM NW OF A LINE FROM 54N159W TO 59N151W..
.24 HOUR FORECAST DENSE FOG FROM 42N TO 52N BETWEEN 133W AND 
138W...WITHIN 120 NM N AND NE OF A LINE FROM 49N163W TO 57N171W
TO 59N180W. 
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM NE AND E OF A LINE 
FROM 57N149W TO 46N137W...WITHIN 300 NM NW OF A LINE FROM 56N159W
TO 53N168W AND FROM 53N TO 56N BETWEEN 169W AND 179E.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

SYNOPSIS VALID 0000 UTC TUE DEC 3.
24 HOUR FORECAST VALID 0000 UTC WED DEC  4.
48 HOUR FORECAST VALID 0000 UTC THU DEC  5.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 16N96W TO 15N96W TO 15N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
35 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 15N94W TO 16N94W TO 
16N95W TO 15N96W TO 14N97W TO 14N95W TO 15N94W N TO NE WINDS 20 
TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA WITHIN 16N94W TO 
16N96W TO 12N98W TO 11N98W TO 11N97W TO 12N95W TO 
16N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 14N97W TO 14N96W TO
14N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 40 KT. SEAS 12 TO 14 FT. ELSEWHERE WITHIN 16N94W TO 
16N96W TO 13N98W TO 12N98W TO 12N96W TO 14N95W TO 16N94W N TO NE 
WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 
16N94W TO 16N96W TO 12N100W TO 11N99W TO 11N96W TO 13N94W TO 
16N94W WINDS 20 KTOR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO 
15N95.5W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 11 TO 13 FT. ELSEWHERE 
WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N94W TO 16N94W N
WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA WITHIN 
16N94W TO 12N102W TO 11N108W TO 07N106W TO 04N98W TO 07N95W TO 
16N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 10N86W TO 12N87W TO 09N93W TO 07N92W TO 08N88W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS 8 FT.
.48 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 09N91W TO 08N91W TO
09N89W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 11N86W TO 
11N88W TO 09N93W TO 06N95W TO 06N91W TO 08N88W TO 11N86W WINDS 20
KT OR LESS. SEAS 8 FT.

.WITHIN 27N126W TO 26N140W TO 00N140W TO 03.4S113W TO 02N111W TO
27N126W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 09N105W TO 17N119W TO 20N140W TO 
00N140W TO 03.4S116W TO 02N118W TO 09N105W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 12N111W TO 15N128W TO 30N140W TO 
06N140W TO 08N130W TO 07N108W TO 12N111W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.

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

CONVECTION VALID AT 0300 UTC TUE DEC 3...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N105W. ITCZ FROM 06N105W TO
08N128W AND BEYOND 09N140W. SCATTERED MODERATE 05N TO 10N E OF 
108W...05N TO 09N BETWEEN 113W AND 130W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.