High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 240934
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE JAN 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 24.
24 HOUR FORECAST VALID 0600 UTC JAN 25.
48 HOUR FORECAST VALID 0600 UTC JAN 26.

.WARNINGS.

...STORM WARNING...
.LOW 55N165W 968 MB MOVING N 05 KT. FRONT EXTENDS FROM 59N143W
TO 42N148W TO 33N155W. FROM 41N TO 48N BETWEEN 156W AND 169W AND
NE OF A LINE FROM 60N147W TO 56N138W WINDS 40 TO 55 KT. SEAS 28
TO 44 FT...EXCEPT NE OF LINE 10 TO 16 FT. ELSEWHERE WITHIN 1200
NM SE...540 NM SW...AND 600 NM NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 11 TO 34 FT...HIGHEST S QUADRANT.
.24 HOUR FORECAST LOW 56N165W 974 MB. NEW LOW 56N153W 978 MB.
OVER FORECAST WATERS WITHIN 720 NM E AND 660 NM SE QUADRANTS OF
NEW LOW WINDS 25 TO 40 KT. SEAS 16 TO 28 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 60 NM NE AND E OF A
FRONT TO EXTEND FROM 53N131W TO 50N129W WINDS 25 TO 35 KT. SEAS
8 TO 14 FT.

...STORM WARNING...
.LOW 46N171E 978 MB MOVING NE 20 KT. FRONT EXTENDS FROM LOW
CENTER TO 45N178E TO 40N178E TO 34N171E. WITHIN 180 NM E AND SE
OF THE FRONT FROM 35N TO 41N WINDS 40 TO 50 KT. SEAS 20 TO 25
FT. ELSEWHERE OVER FORECAST WATERS WITHIN 240 NM NE...960 NM
SE...1080 NM SW...AND 360 NM NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 12 TO 22 FT.
.24 HOUR FORECAST LOW 47N179W 978 MB. WITHIN 300 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 21 TO 32 FT. ELSEWHERE WITHIN 600 NM
SE...480 NM SW...AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
15 TO 25 FT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DESCRIBED BELOW WITH LOW 52N158W.

...STORM WARNING...
.LOW W OF AREA NEAR 45N158E 978 MB MOVING E 20 KT. OVER FORECAST
WATERS WITHIN 420 NM NE AND 540 NM SE QUADRANTS WINDS 30 TO 45
KT. SEAS 16 TO 28 FT.
.24 HOUR FORECAST LOW 45N168E 986 MB. FROM 40N TO 42N BETWEEN
175E AND 166E WINDS 40 TO 50 KT. SEAS 25 TO 34 FT. ELSEWHERE
WITHIN 300 NM N...840 NM SE...960 NM SW...AND 180 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 26 FT.
.48 HOUR FORECAST LOW 44N179W 991 MB. WITHIN 840 NM SE...780 NM
SW...AND 180 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 26 FT.

...STORM WARNING...
.48 HOUR FORECAST NEW LOW 54N148W 971 MB. FRONT TO EXTEND FROM
56N149W TO 53N140W TO 48N139W TO 39N146W. BETWEEN 180 NM AND 300
NM SE QUADRANT AND WITHIN 120 NM NE AND E OF FRONT N OF 50N
WINDS 40 TO 50 KT. SEAS 20 TO 27 FT. ELSEWHERE WITHIN 420 NM
NE...360 NM SE...AND 540 NM S QUADRANTS AND 240 NM E AND SE OF
THE FRONT WINDS 25 TO 40 KT. SEAS 15 TO 24 FT.

...GALE WARNING...
.LOW 39N127W 1005 MB MOVING SE 20 KT. WITHIN 360 NM SW
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 16 TO 27 FT.
.24 HOUR FORECAST LOW 33N121W 1020 MB. ASSOCIATED CONDITIONS
DIMINISHED.
.48 HOUR FORECAST LOW DISSIPATED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 51N162W 975 MB. FRONT TO EXTEND FROM
LOW CENTER TO 48N156W TO 43N158W TO 36N170W. WITHIN 240 NM S AND
SE QUADRANTS...AND 300 NM SE AND E OF THE FRONT WINDS 30 TO 45
KT. SEAS 14 TO 27 FT.
.48 HOUR FORECAST LOW 56N157W 974 MB. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 50N168W 973 MB. WITHIN 540 NM S AND
480 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 16 TO 26 FT.
.48 HOUR FORECAST LOW 52N158W 973 MB. WITHIN 480 NM SE AND 660
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 16 TO 24 FT.

...GALE WARNING...
.24 HOUR FORECAST OVER ICE FREE FORECAST WATERS N OF 54N BETWEEN
166W AND 174E AREA OF N WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST N OF 51N BETWEEN 166W AND 178W AREA OF N TO NW
WINDS 25 TO 35 KT. SEAS TO 13 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 41N158W 995 MB. OVER FORECAST WATERS
WITHIN 720 NM SE AND 780 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
12 TO 19 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NE AND E OF A LINE FROM 60N179W TO 58N172W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A
LINE FROM 60N178W TO 59N171W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A
LINE FROM 60N171W TO 59N172W.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 53N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF BOGOSLOF 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.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM E OF
A LINE FROM 56N144W TO 50N147W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 120 NM SE OF A LINE FROM 44N159W TO 38N166W.
.48 HOUR FORECAST DENSE FOG FROM 35N TO 39N BETWEEN 152W AND
160W.

.HIGH 31N145W 1029 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N168W 1025 MB MOVING NE 45 KT.
.24 HOUR FORECAST HIGH 35N147W 1028 MB.
.48 HOUR FORECAST HIGH 33N136W 1031 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 0600 UTC TUE JAN 24.
24 HOUR FORECAST VALID 0600 UTC WED JAN 25.
48 HOUR FORECAST VALID 0600 UTC THU JAN 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING COLD FRONT FROM 24N111W TO 21N112W. FROM 16N TO 20N W
OF 137W NE WINDS 20 TO 25 KT. SEAS 11 TO 13 FT. ELSEWHERE ENTIRE
AREA OUTSIDE GULF OF CALIFORNIA EXCEPT E OF LINE FROM 17N101W TO
06N96W TO 00N103W TO 03.4S113W AND S OF LINE FROM 00N125W TO
07N131W TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 19 FT IN NW
SWELL...HIGHEST NEAR 30N122W.
.24 HOUR FORECAST FRONT DISSIPATED. FROM 11N TO 14N BETWEEN 132W
AND 138W NE WINDS 20 TO 25 KT. SEAS 11 TO 12 FT. ELSEWHERE
ENTIRE AREA OUTSIDE GULF OF CALIFORNIA EXCEPT E OF LINE FROM
20N107W TO 10N94W TO 02N91W TO 03.4S94W AND W OF LINE FROM
06N117W TO 03.4S118W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN NW
SWELL...HIGHEST NEAR 30N124W.
.48 HOUR FORECAST SURFACE TROUGH FROM 08N140W TO 15N133W. AREA
BOUNDED BY LINE FROM 14N122W TO 14N135W TO 10N140W TO 13N140W TO
23N132W TO 14N122W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 11 FT.
ELSEWHERE OUTSIDE GULF OF CALIFORNIA AND N OF LINE FROM 15N104W
TO 03N108W TO 03N125W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO
16 FT IN NW SWELL...HIGHEST NW PART. S OF LINE FROM 03.4S91W TO
04N92W TO 05N100W TO 03.4S104W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NW SWELL.

.COLD FRONT FROM 28N111W TO 26N111W. GULF OF CALIFORNIA BETWEEN
27N AND 28N NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. GULF OF
CALIFORNIA N OF 29N W TO NW WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.06 HOUR FORECAST WEAKENING COLD FRONT NEAR 24N. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF CALIFORNIA BETWEEN 26N AND 28N NW
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA BETWEEN 25N AND 29N NW
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 95.5W...N TO
NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE AREA BOUNDED BY
LINE FROM 16N95W TO 10N95W TO 12N99W TO 14N99W TO 16N95W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.12 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 0900 UTC TUE JAN 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 05N109W TO 06N113W TO 04N134W TO 05N140W. SCATTERED
MODERATE FROM 08N TO 10N BETWEEN 138W AND 140W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


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