High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 170336
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE JAN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 17.
24 HOUR FORECAST VALID 0000 UTC JAN 18.
48 HOUR FORECAST VALID 0000 UTC JAN 19.

.WARNINGS.

...STORM WARNING...
.LOW 61N147W 969 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 240 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 12 TO 23 FT.
ELSEWHERE WITHIN 540 NM S AND 360 NM SW QUADRANTS AND ALSO
WITHIN 660 NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...STORM WARNING...
.LOW 42N177W 972 MB MOVING NE 25 KT. WITHIN 540 NM S AND 360 NM
SE QUADRANTS WINDS 35 TO 50 KT. SEAS 21 TO 39 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 720 NM S SEMICIRCLE...360 NM E AND 480 NM
W QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 27 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
48N160W DESCRIBED BELOW.

...STORM WARNING...
.LOW 47N139W 987 MB MOVING NE 20 KT. WARM FRONT EXTENDS FROM LOW
CENTER TO 50N133W TO 47N126W. WITHIN 300 NM SE AND E QUADRANTS
AND WITHIN 180 NM N OF FRONT WINDS 40 TO 55 KT. SEAS 15 TO 24
FT. ELSEWHERE WITHIN 600 NM S AND 540 NM E QUADRANTS AND WITHIN
300 NM N OF FRONT WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW 53N134W 976 MB. FRONT TO EXTEND FROM LOW
TO 47N129W TO 43N130W. WITHIN 180 NM NE AND E QUADRANTS AND E OF
THE FRONT WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.30 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
51N136W DESCRIBED BELOW.

...STORM WARNING...
.LOW 46N165W 970 MB MOVING NE 10 KT. WITHIN 240 NM N AND NE
QUADRANTS AND BETWEEN 360 NM AND 780 NM S QUADRANT WINDS 25 TO
40 KT. SEAS 12 TO 21 FT.
.24 HOUR FORECAST LOW 48N160W 969 MB. WITHIN 240 NM NW
SEMICIRCLE AND FROM 35N TO 44N BETWEEN 153W AND 172W WINDS 35 TO
50 KT. SEAS 21 TO 36 FT. ELSEWHERE WITHIN 900 NM S AND 780 NM SW
QUADRANTS AND WITHIN 300 NM NW SEMICIRCLE WINDS 25 TO 40 KT.
SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 50N141W 980 MB. E OF A LINE FROM 46N151W
TO 34N143W AND W OF 132W WINDS 30 TO 45 KT. SEAS 14 TO 27 FT.

...STORM WARNING...
.06 HOUR FORECAST LOW 37N163E 998 MB. OVER FORECAST WATERS FROM
30N TO 35N W OF 167E WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW 38N178E 990 MB. WITHIN 300 NM E AND SE OF
A LINE FROM LOW CENTER TO 31N164E WINDS 30 TO 45 KT. SEAS 14 TO
24 FT.
.48 HOUR FORECAST LOW 44N161W 972 MB. WITHIN 540 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 21 TO 30 FT. ELSEWHERE FROM 30N TO 45N
BETWEEN 159W AND 171W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 50N147W 970 MB. WITHIN 480 NM SE AND
300 NM S QUADRANTS AND WITHIN 300 NM E OF A FRONT FROM LOW
CENTER TO 42N135W TO 33N146W WINDS 25 TO 40 KT. SEAS 13 TO 22
FT.
.30 HOUR FORECAST LOW 51N136W 969 MB. FRONT TO EXTEND FROM
49N127W TO 34N141W. WITHIN 240 NM E QUADRANT AND OVER FORECAST
WATERS E OF FRONT N OF 42N WINDS 35 TO 50 KT. SEAS 13 TO 24 FT.
.48 HOUR FORECAST LOW 57N136W 974 MB. WITHIN 240 NM S AND SE
QUADRANTS AND BETWEEN 420 NM AND 600 NM NW QUADRANT WINDS 25 TO
40 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 46N172W 967 MB MOVING NE 20 KT. WITHIN 420 NM NW AND W
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 48N160W
DESCRIBED ABOVE.

...GALE WARNING...
.30 HOUR FORECAST NEW LOW 52N176W 992 MB. WITHIN 180 NM SW AND W
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 56N174W 981 MB. WITHIN 180 NM OF LOW
CENTER EXCEPT 240 NM SW SEMICIRCLE WINDS 30 TO 45 KT. SEAS 10 TO
16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N AND NE OF A LINE FROM 60N179W TO 57N158W AND N OF 57N BETWEEN
151W AND 155W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 58N152W TO 57N164W AND N OF A LINE FROM 63N168W TO 59N178E.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 58N151W TO 57N157W TO 59N179E.

.SYNOPSIS AND FORECAST.

.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 173W AREA OF N TO NE WINDS
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST NEW LOW 59N171W 996 MB. OVER FORECAST WATERS
WITHIN 540 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 60N171W 996 MB. N OF A LINE FROM 58N165W
TO 48N163E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST NEW LOW 44N173E 996 MB. WITHIN 240 NM SW AND W
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 42N180W 999 MB. EXCEPT WHERE NOTED IN
WARNINGS SECTION FROM 30N TO 42N W OF 180W AND WITHIN 300 NM W
QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY 50N132W TO 41N130W TO 32N164W TO 44N166W TO 40N147W
TO 50N132W.
.24 HOUR FORECAST DENSE FOG WITHIN AREA BOUNDED BY 49N125W TO
39N127W TO 34N148W TO 46N143W TO 50N133W TO 49N125W.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 43N E OF 128W AND FROM
33N TO 38N BETWEEN 160W AND 165W.

.HIGH 30N135W 1024 MB DRIFTING S.
.24 HOUR FORECAST HIGH S OF THE AREA.

.FORECASTER NOLT. 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 TUE JAN 17.
24 HOUR FORECAST VALID 0000 UTC WED JAN 18.
48 HOUR FORECAST VALID 0000 UTC THU JAN 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.06 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.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 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.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.N OF 27N BETWEEN 119W AND 125W WINDS 20 KT OR LESS. SEAS 8 FT
IN NW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 11N TO 13N W OF 132W NE WINDS 20 TO 25 KT. SEAS 10 TO 11
FT. ELSEWHERE W OF LINE FROM 22N140W TO 22N131W TO 17N116W TO
15N117W TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FROM 10N TO 13N W OF 134W NE WINDS 20 TO 25
KT. SEAS 9 TO 10 FT. ELSEWHERE W OF LINE FROM 21N140W TO 16N115W
TO 14N115W TO 09N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FROM 09N TO 12N W OF 136W NE WINDS 20 TO 25
KT. SEAS 9 TO 10 FT. ELSEWHERE W OF LINE FROM 18N140W TO 15N120W
TO 13N120W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED NE AND NW SWELL.

.36 HOUR FORECAST COLD FRONT APPROACHING FROM NW. NW OF LINE
FROM 30N134W TO 29N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N134W TO 29N140W. NW OF LINE
FROM 30N129W TO 27N140W 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 0300 UTC TUE JAN 17...

.SCATTERED MODERATE ISOLATED STRONG FROM 12N TO 17N BETWEEN 110W
AND 118W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 04N78W TO LOW PRES NEAR 01.5N82.5W TO 04N91W. ITCZ
FROM 04N91W TO 07.5N101W TO 05N125W TO BEYOND 07N140W. SCATTERED
MODERATE WITHIN 90 NM S OF THE ITCZ BETWEEN 110W AND 113W.

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.


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