North Pacific High Seas Forecast

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FZPN01 KWBC 150335
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC THU NOV 15 2018 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION 
IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE). 

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 NOV 15. 
24 HOUR FORECAST VALID 0000 UTC NOV 16. 
48 HOUR FORECAST VALID 0000 UTC NOV 17. 

.WARNINGS. 

...STORM WARNING... 
.LOW 44N159W 986 MB MOVING NE 15 KT. WITHIN 180 NM SW AND W 
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 18 TO 27 FT. ELSEWHERE 
WITHIN 600 NM S SEMICIRCLE AND 1020 NM NE AND 540 NM NW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 24 FT...HIGHEST SW 
QUADRANT. 
.24 HOUR FORECAST LOW 49N155W 988 MB. FROM 34N TO 57N BETWEEN 
140W AND 166W WINDS 25 TO 40 KT. SEAS 9 TO 23 FT...HIGHEST NEAR 
48N152W. 
.48 HOUR FORECAST LOW 52N153W 998 MB. WITHIN 360 NM SE AND 420 
NM S QUADRANTS...180 NM NE AND E OF A LINE FROM 53N146W TO 
50N140W TO 47N140W...AND 120 NM NE OF A LINE FROM 58N151W TO 
59N147W TO 54N136W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. 

...STORM WARNING... 
.COMPLEX LOW WITH FIRST LOW W OF AREA NEAR 48N155E 998 MB MOVING 
E 10 KT AND SECOND LOW 47N165E 992 MB MOVING NW 05 KT. FRONT 
EXTENDS FROM FIRST LOW TO SECOND LOW TO 43N165E TO 33N160E. OVER 
FORECAST WATERS WITHIN 240 NM NE AND E OF THE FRONT WINDS 30 TO 
45 KT. SEAS 12 TO 19 FT.
.24 HOUR FORECAST LOW 49N163E 980 MB. FRONT TO EXTEND FROM LOW 
TO 52N165E TO 52N173E TO 48N179W TO 34N171E. N OF 42N W OF 162E 
AND WITHIN 120 NM NE OF THE FRONT W OF 173E WINDS 40 TO 50 KT. 
SEAS 18 TO 28 FT. ELSEWHERE WITHIN 600 NM SE AND 720 NM S 
QUADRANTS AND 300 NM NE AND E OF THE FRONT WINDS 25 TO 40 KT. 
SEAS 9 TO 20 FT. 
.48 HOUR FORECAST LOW 48N175E 987 MB. FRONT TO EXTEND FROM 
51N170E TO 54N176W TO 48N168W TO 35N177W. BETWEEN 240 NM AND 420 
NM SW QUADRANT WINDS 40 TO 50 KT. SEAS 20 TO 32 FT. ELSEWHERE 
WITHIN 600 NM S AND SW QUADRANTS AND 240 NM NE AND E OF THE 
FRONT WINDS 25 TO 40 KT. SEAS 14 TO 25 FT...EXCEPT NE AND E OF 
THE FRONT 8 TO 14 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.FROM 62N TO 66N W OF ALASKA AREA OF MODERATE TO HEAVY FREEZING 
SPRAY. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 62N TO 66N W OF ALASKA AREA OF LIGHT TO 
MODERATE FREEZING SPRAY. 

.SYNOPSIS AND FORECAST. 

.OVER ICE FREE FORECAST WATERS W OF A LINE FROM 64N162W TO 
58N176W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST BETWEEN 64N AND A LINE FROM 62N174W TO 59N166W 
AREA OF E TO SE WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST CONDITIONS W OF AREA.

.LOW 53N165W 1003 MB NEARLY STATIONARY. WITHIN 300 NM W QUADRANT 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 
DIMINISHED.

.LOW 57N142W 1002 MB MOVING E 15 KT. WITHIN 480 NM SE QUADRANT 
WINDS TO 25 KT. SEAS 11 TO 19 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 
DIMINISHED. 

.24 HOUR FORECAST OVER FORECAST WATERS FROM 39N TO 44N E OF 127W 
AREA OF N WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 120 NM S OF A LINE FROM 44N124W TO 
41N129W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 30N TO 32N W OF 175E 
AREA OF NE TO E WINDS TO 25 KT. SEAS TO 8 FT. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 48N 
BETWEEN 150W AND 160W AND FROM 41N TO 48N BETWEEN 170E AND 166E. 
.24 HOUR FORECAST DENSE FOG FROM 48N TO 52N BETWEEN 137W AND 
147W. 
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM NE OF A LINE FROM 
55N151W TO 53N145W TO 49N140W AND FROM 45N TO 49N BETWEEN 163W 
AND 169W.  

.HIGH 39N133W 1029 MB MOVING NE 10 KT. 
.24 HOUR FORECAST HIGH 43N131W 1026 MB. 
.48 HOUR FORECAST HIGH 46N130W 1023 MB. 

.HIGH 38N178W 1026 MB MOVING SE 15 KT. 
.24 HOUR FORECAST HIGH 35N171W 1027 MB. 
.48 HOUR FORECAST HIGH 34N164W 1025 MB. 

.FORECASTER BELL. 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 NOV 15.
24 HOUR FORECAST VALID 0000 UTC FRI NOV 16.
48 HOUR FORECAST VALID 0000 UTC SAT NOV 17.

.WARNINGS.

...STORM WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95W...INCLUDING THE GULF 
OF TEHUANTEPEC...N TO NE WINDS 40 TO 50 KT. SEAS 12 TO 22 FT. 
ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 13N95.5W TO 
09N100W N TO NE WINDS 30 TO 40 KT. SEAS 12 TO 17 FT. REMAINDER 
OF AREA BOUNDED BY 16N95W TO 10N92W TO 08N94W TO 08N100W 
TO 12N105W TO 16N95W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST WITHIN 75 NM OF LINE FROM 16N95W TO 13N96W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT. 
SEAS 11 TO 22 FT. ELSEWHERE WITHIN 150 NM OF LINE FROM 16N95W TO 
12.5N97W TO 11N98W N TO NE WINDS 20 TO 30 KT. SEAS 11 TO 18 FT. 
ELSEWHERE WITHIN AREA BOUNDED BY 16N95W TO 09N90W TO 04N96W TO 
11N107W TO 16N95W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT PRIMARILY 
IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 
13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 40 KT. SEAS 11 TO 19 FT. ELSEWHERE WITHIN 120 NM OF LINE FROM 
16N95W TO 11.5N98.5W N TO NE WINDS 20 TO 30 KT. SEAS 11 TO 17 
FT. ELSEWHERE WITHIN AREA BOUNDED BY 16N95W TO 07N90W TO 02N96W 
TO 03N103W TO 12N110W TO 16N95W WINDS 20 KT OR LESS. SEAS 8 TO 
13 FT PRIMARILY IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
30 TO 35 KT. SEAS 11 TO 15 FT. ELSEWHERE WITHIN 75 NM OF LINE 
FROM 16N95W TO 13N95W N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 13 
FT. ELSEWHERE WITHIN AREA BOUNDED BY 16N95W TO 08N92W TO 
03.4S100W TO 03.4S106.5W TO 12.5N115W TO 16N95W WINDS 20 KT OR 
LESS. SEAS TO 11 FT PRIMARILY IN MIXED NE AND SW SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 15 NM OF LINE FROM 11.5N86W TO 10.5N86.5W...INCLUDING 
THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 
12N BETWEEN 88W AND 90W N TO NE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.12 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11.5N86W TO 
09N90W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. 
SEAS TO 10 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11.5N86W TO 
09N87W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. 
SEAS TO 10 FT.  N OF 12N BETWEEN 87W AND 89W...INCLUDING THE 
GULF OF FONSECA...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 WITHIN 15 NM OF LINE FROM 11.5N86W TO 09N88W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.

.GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.W OF LINE FROM 30N133W TO 13N121W TO 07N130W WINDS 20 KT OR 
LESS. SEAS TO 9 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST W OF A LINE FROM 30N128W TO 12N125W TO 08N136W 
WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N140W TO 16N124W TO 
04N140W TO 13N140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N 
SWELL. 

.S OF 02S BETWEEN 116W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 
FT IN SW SWELL.
.06 HOUR FORECAST 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 NOV 15...

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...MONSOON TROUGH 
FROM 08N83W TO 05N102W. ITCZ FROM 05N102W TO 10N116W TO 08N130W 
TO 07N140W. ISOLATED MODERATE TO STRONG WITHIN 75 NM OF LINE 
FROM 09N79W TO 07N92W TO 13N105W.  SCATTERED MODERATE ISOLATED 
STRONG WITHIN 120 NM OF LINE FROM 10N113W TO 08N140W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.