High Seas Forecast
Issued by NWS

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FZPN01 KWBC 161639 CCA
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON JAN 16 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 16.
24 HOUR FORECAST VALID 1200 UTC JAN 17.
48 HOUR FORECAST VALID 1200 UTC JAN 18.

.WARNINGS.

...STORM WARNING...
.LOW 59N147W 964 MB MOVING N 15 KT AND BECOMING NEARLY
STATIONARY AFTER 12 HOURS. OVER FORECAST WATERS E OF A FRONT
FROM 55N133W TO 50N131W WINDS 40 TO 55 KT. SEAS 12 TO 19 FT.
ALSO N OF 58N BETWEEN 150W AND 155W WINDS 35 TO 50 KT. SEAS 8 TO
15 FT. ELSEWHERE WITHIN 360 NM SW AND 720 NM S QUADRANTS AND N
OF 49N E OF 140W WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...EXCEPT S
OF 56N BETWEEN 135W AND 154W 14 TO 32 FT...HIGHEST NEAR 51N142W.
.24 HOUR FORECAST LOW 61N147W 975 MB. N OF 55N E OF 157W WINDS
25 TO 40 KT. SEAS 8 TO 17 FT...HIGHEST NEAR 59N146W.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
MERGED WITH LOW 50N150W BELOW.

...STORM WARNING...
.LOW 40N173E 972 MB MOVING NE 30 KT. WITHIN 300 NM S AND 240 NM
SE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 35 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 720 NM S SEMICIRCLE AND 420 NM W AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 15 TO 27 FT...HIGHEST S AND SW
OF LOW.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
46N165W BELOW.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 48N155W 968 MB. WITHIN 240 NM N AND NE
AND 180 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 50N150W 969 MB. WITHIN 240 NM W QUADRANT
WINDS 40 TO 50 KT. SEAS 13 TO 21 FT. ELSEWHERE WITHIN 360 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.

...GALE WARNING...
.LOW 43N146W 988 MB MOVING NE 25 KT. BETWEEN 60 NM AND 360 NM S
QUADRANT WINDS 35 TO 45 KT. SEAS 15 TO 25 FT. ELSEWHERE WITHIN
360 NM E...600 NM S AND 240 NM SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 11 TO 21 FT.
.24 HOUR FORECAST LOW 50N134W 981 MB. FRONT TO EXTEND FROM
52N133W TO 45N128W. WITHIN 150 NM NE AND E OF FRONT AND BETWEEN
180 NM AND 420 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW 55N134W 967 MB. FRONT TO EXTEND FROM LOW
TO 50N130W TO 47N124W TO 32N140W. WITHIN 180 NM E OF FRONT WINDS
30 TO 45 KT. SEAS 14 TO 29 FT...HIGHEST NEAR 44N125W.

...GALE WARNING...
.LOW 44N178W 970 MB MOVING NE 20 KT. FRONT EXTENDS FROM LOW TO
44N167W TO 39N156W TO 30N170W. WITHIN 420 NM N SEMICIRCLE AND
WITHIN 300 NM E OF FRONT WINDS 25 TO 40 KT. SEAS 10 TO 20
FT...HIGHEST NEAR 35N156W.
.24 HOUR FORECAST LOW 46N165W 967 MB. WITHIN 180 NM NW
SEMICIRCLE AND BETWEEN 360 NM AND 840 NM S QUADRANT WINDS 35 TO
45 KT. SEAS 17 TO 30 FT...EXCEPT IN NW SEMICIRCLE 14 TO 21 FT.
ELSEWHERE WITHIN 360 NM NW SEMICIRCLE AND FROM 32N TO 43N
BETWEEN 154W AND 178W WINDS 25 TO 40 KT. SEAS 12 TO 24
FT...EXCEPT IN NW SEMICIRCLE 10 TO 17 FT.
.48 HOUR FORECAST LOW 46N147W 973 MB. FROM 34N TO 46N BETWEEN
135W AND 153W WINDS 30 TO 45 KT. SEAS 15 TO 30 FT.

...GALE WARNING...
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 37N166E 998
MB. OVER FORECAST WATERS FROM 30N TO 35N W OF 172E AND BETWEEN
180 NM AND 360 NM W QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 21
FT. ELSEWHERE W OF A LINE FROM 41N166E TO 30N176E WINDS 20 TO 30
KT. SEAS 10 TO 14 FT.
.48 HOUR FORECAST LOW 40N180W 986 MB. S OF A LINE FROM 42N165W
TO 35N171E AND WITHIN 180 NM W AND NW QUADRANTS WINDS 30 TO 45
KT. SEAS 15 TO 25 FT.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 48N178W 991 MB. WITHIN 180 NM SW AND W
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 17 FT.
.48 HOUR FORECAST LOW 49N176W 986 MB. WITHIN 180 NM OF LOW
CENTER WINDS 25 TO 40 KT. SEAS 11 TO 19 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N AND NE OF A LINE FROM 60N179W TO 57N160W AND N OF 58N BETWEEN
150W AND 155W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 58N150W TO 57N165W AND N OF A LINE FROM 62N168W TO 59N179E.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N152W TO 57N157W TO 60N179W.

.SYNOPSIS AND FORECAST...CORRECTED.

.BOGOSLOF VOLCANO AT 53N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF BOGOSLOV VOLCANO ARE URGED TO
EXERCISE CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC
ASH...REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY
CALLING 301-683-1520.

.OVER FORECAST WATERS N OF 50N W OF 169W AREA OF N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST NEW LOW 59N178W 999 MB. OVER FORECAST WATERS N
OF A LINE FROM 64N168W TO LOW CENTER TO 54N174E WINDS 20 TO 30
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 59N171W 996 MB. WITHIN 240 NM E AND 360 NM
N QUADRANTS AND N OF A LINE FROM LOW TO 49N163E WINDS 20 TO 30
KT. SEAS TO 12 FT.

.24 HOUR FORECAST NEW LOW 44N174E 998 MB. WITHIN 300 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW 42N180W 996 MB. WITHIN 420 NM SW AND 300
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 15 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 480 NM S OF
A LINE FROM 50N130W TO 40N148W TO 40N164W.
.24 HOUR FORECAST DENSE FOG WITHIN 480 NM S AND SE OF A LINE
FROM 50N132W TO 44N140W TO 41N151W.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 49N BETWEEN 125W AND
132W.

.HIGH 30N137W 1028 MB NEARLY STATIONARY WILL DRIFT SE.
.24 HOUR FORECAST HIGH 30N136W 1025 MB.
.48 HOUR FORECAST HIGH S OF THE AREA.

.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 1200 UTC MON JAN 16.
24 HOUR FORECAST VALID 1200 UTC TUE JAN 17.
48 HOUR FORECAST VALID 1200 UTC WED JAN 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 12N E OF 89W...INCLUDING GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 12N TO 16N BETWEEN 125W AND 135W NE WINDS 20 TO 25 KT. SEAS
10 TO 12 FT. ELSEWHERE WITHIN AREA BOUNDED BY 25N140W TO 30N130W
TO 30N120W TO 16N115W TO 06N140W TO 25140W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 125W AND 135W NE WINDS
20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 09N TO 24N BETWEEN
115W AND 140W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN NW
SWELL.
.48 HOUR FORECAST FROM 09N TO 12N BETWEEN 135W AND 140W NE WINDS
20 TO 25 KT. SEAS 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 20N140W
TO 17N115W TO 20N140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
NE AND NW SWELL.

.48 HOUR FORECAST COLD FRONT APPROACHING FROM NW. WITHIN AREA
BOUNDED BY 30N140W TO 30N135W TO 28N140W TO 30N140W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC MON JAN 16...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 06N78W TO LOW PRESSURE NEAR 02N82W 1008 MB TO 03N91W
TO 02N100W. ITCZ AXIS FROM 02N100W TO 08N130W...RESUMING AT
08N135W AND CONTINUING TO BEYOND 08N140W. NO SIGNFICANT
CONVECTION IS NOTED.

$$

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



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