High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 242151
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JAN 24.
24 HOUR FORECAST VALID 1800 UTC JAN 25.
48 HOUR FORECAST VALID 1800 UTC JAN 26.

.WARNINGS.

...STORM WARNING...
.LOW 47N174E 972 MB MOVING E 25 KT. WITHIN 180 NM N AND 420 NM S
AND SE QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 28 FT. ELSEWHERE
WITHIN 360 NM N QUADRANT AND FROM 31N TO 46N BETWEEN 180W AND
170E WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.
.24 HOUR FORECAST LOW 46N171W 982 MB. WITHIN 300 NM S AND SW AND
360 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 28 FT...HIGHEST
S QUADRANT.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DESCRIBED BELOW WITH LOW 56N157W.

...STORM WARNING...
.LOW 45N163E 982 MB MOVING E 15 KT. OVER FORECAST WATERS WITHIN
360 NM S AND SE QUADRANTS WINDS 40 TO 50 KT. SEAS 20 TO 34 FT.
ELSEWHERE W OF 170E WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW 45N174E 988 MB. WITHIN 660 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 16 TO 27 FT. ELSEWHERE WITHIN 300 NM N
AND 900 NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 12 TO 20
FT.
.48 HOUR FORECAST LOW 43N175W 996 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 30 TO 45 KT. SEAS 14 TO 28 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 480 NM SW AND 840 NM S QUADRANTS WINDS 20
TO 30 KT. SEAS 10 TO 21 FT.

...GALE WARNING...
.LOW 53N154W 975 MB MOVING NE 15 KT. FRONT EXTENDS FROM 59N141W
TO 49N140W TO 41N140W. WITHIN 360 NM SW AND 660 NM S QUADRANTS
AND WITHIN 240 NM E OF FRONT N OF 49N WINDS 30 TO 45 KT. SEAS 20
TO 39 FT...EXCEPT E OF FRONT SEAS 11 TO 20 FT. ELSEWHERE WITHIN
180 NM E AND 960 NM S QUADRANTS AND 360 NM E OF FRONT WINDS 20
TO 30 KT. SEAS 10 TO 28 FT...HIGHEST S QUADRANT.
.24 HOUR FORECAST LOW 58N152W 982 MB. WITHIN 600 NM E QUADRANT
WINDS 20 TO 30 KT. SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
56N157W BELOW.

...GALE WARNING...
.LOW 35N123W 1013 MB MOVING SE 20 KT. WITHIN 300 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS 13 TO 21 FT. ELSEWHERE FROM 30N TO 40N E
OF 132W WINDS TO 25 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 57N165W 974 MB MOVING NW 05 KT. OVER FORECAST WATERS WITHIN
600 NM NW AND 840 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS IN ICE
FREE WATERS 8 TO 13 FT.
.24 HOUR FORECAST LOW 59N167W 973 MB. OVER THE BERING SEA
BETWEEN 167W AND 178E AREA OF N TO NW WINDS 20 TO 30 KT. SEAS IN
ICE FREE WATERS 8 TO 12 FT.
.48 HOUR FORECAST LOW 59N170W 975 MB. WITHIN 300 NM W AND NW AND
600 NM S QUADRANTS AREA OF NW WINDS 25 TO 40 KT. SEAS IN ICE
FREE WATERS 8 TO 17 FT.

...GALE WARNING...
.LOW 36N161E 1006 MB MOVING NE 50 KT. OVER FORECAST WATERS FROM
30N TO 36N W OF 180W WINDS 20 TO 30 KT. SEAS 11 TO 19 FT.
.24 HOUR FORECAST LOW 40N174W 994 MB. FROM 30N TO 40N BETWEEN
169W AND 180W WINDS 25 TO 40 KT. SEAS 11 TO 20 FT.
.48 HOUR FORECAST LOW 45N148W 988 MB. WITHIN 600 NM SE
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 12 TO 22 FT.

...GALE WARNING...
.LOW 48N175W 975 MB MOVING NE 20 KT. FRONT EXTENDS FROM 46N168W
TO 40N171W TO 36N180W. WITHIN 180 NM E OF FRONT N OF 37N AND
WITHIN 120 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 26 FT.
ELSEWHERE FROM 32N TO 49N BETWEEN 163W AND 180W WINDS 25 TO 40
KT. SEAS 10 TO 22 FT.
.24 HOUR FORECAST LOW 51N163W 967 MB. FRONT TO EXTEND FROM
53N149W TO 46N147W TO 32N171W. WITHIN 180 NM S QUADRANT AND 180
NM E OF FRONT N OF 40N WINDS 40 TO 50 KT. SEAS 18 TO 30 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 420 NM E AND SE OF FRONT
AND WITHIN 540 NM E AND 600 NM S AND SE QUADRANTS WINDS 25 TO 40
KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 56N157W 968 MB. FRONT TO EXTEND FROM
55N135W TO 50N133W. WITHIN 600 NM E QUADRANT AND 180 NM E OF
FRONT WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 56N178E 991 MB. OVER FORECAST WATERS
WITHIN 240 NM SW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 47N168E 1006 MB. OVER FORECAST WATERS
WITHIN 480 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15
FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NE AND E OF A LINE FROM 60N178W TO 58N170W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A
LINE FROM 59N180W TO 57N170W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 58N177W TO 61N172W.

.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 FROM 41N TO 46N
BETWEEN 166W AND 171W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM
45N150W TO 40N154W TO 36N160W.
.48 HOUR FORECAST DENSE FOG FROM 38N TO 47N BETWEEN 137W AND
147W.

.HIGH 33N140W 1027 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 33N134W 1030 MB.
.48 HOUR FORECAST HIGH 33N130W 1033 MB.

.HIGH 33N156W 1027 MB MOVING NE 40 KT WILL SLOW AFTER 24 HOURS.
.24 HOUR FORECAST HIGH 36N137W 1029 MB.
.48 HOUR FORECAST HIGH 38N128W 1032 MB.

.FORECASTER KOSIER. 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 1800 UTC TUE JAN 24.
24 HOUR FORECAST VALID 1800 UTC WED JAN 25.
48 HOUR FORECAST VALID 1800 UTC THU JAN 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 18N BETWEEN 115W AND 137W WINDS 20 KT OR LESS. SEAS 11 TO
15 FT PRIMARILY IN MIXED S AND NW SWELL. ELSEWHERE BOUNDED BY
LINE FROM 30N140W TO 30N116W TO 12N96W TO 03.4S110W TO 03.4S120W
TO 08N140W TO 30N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
PRIMARILY IN MIXED S AND NW SWELL.
.12 HOUR FORECAST FROM 13N TO 17N W OF 137W NE WINDS 20 TO 25
KT. SEAS 10 FT. ELSEWHERE BOUNDED BY LINE FROM 30N140W TO
30N116W TO 04N93W TO 03.4S96W TO 03.4S117W TO 07N140W TO 30N140W
WINDS 20 KT OR LESS. SEAS 8 TO 14 FT PRIMARILY IN MIXED S AND NW
SWELL...HIGHEST SEAS N OF 29N E OF 130W.
.24 HOUR FORECAST TROUGH FROM 13N140W TO 16N128W. WITHIN 150 NM
NW OF TROUGH NE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. W OF LINE
FROM 30N137W TO 28N140W WINDS 20 KT OR LESS. SEAS 11 TO 13 FT
PRIMARILY IN MIXED N AND NW SWELL. ELSEWHERE BOUNDED BY LINE
FROM 30N140W TO 30N116W TO 03.4N91W TO 03.4S92W TO 03.4S112W TO
05N110W TO 08N140W TO 30N140W WINDS 20 KT OR LESS. SEAS TO 11 FT
PRIMARILY IN MIXED S AND NW SWELL.
.36 HOUR FORECAST TROUGH FROM 10N140W TO 15N135W TO 15N126W.
WITHIN 480 NM N OF TROUGH NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
10 FT. W OF LINE FROM 30N132W TO 21N140W WINDS 20 KT OR LESS.
SEAS 11 TO 15 FT PRIMARILY IN MIXED N AND NW SWELL. ELSEWHERE
BOUNDED BY LINE FROM 30N140W TO 30N116W TO 16N104W TO 06N110W TO
08N140W TO 30N140W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY
IN MIXED S AND NW SWELL. S OF 02N BETWEEN 91W AND 103W WINDS 20
KT OR LESS. SEAS SEAS 8 FT IN MIXED S AND NW SWELL.
.48 HOUR FORECAST TROUGH FROM 08N140W TO NEW LOW PRES 12N137W
1008 MB WITH TROUGH NE TO 17N130W. WITHIN AREA BOUNDED BY
26N140W TO 14N121W TO 11N140W TO 26N140W NE TO E WINDS 20 TO 30
KT. SEAS 10 TO 15 FT. ELSEWHERE BOUNDED BY LINE FROM 30N140W TO
30N119W TO 14N103W TO 04N110W TO 08N140W TO 30N140W WINDS 20 KT
OR LESS. SEAS 8 TO 13 FT PRIMARILY IN NW SWELL.

.33 HOUR FORECAST GULF OF CALIFORNIA FROM 25N TO 30N NW TO
N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA FROM 24.5N TO 29N NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2100 UTC TUE JAN 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 06N86W TO 05N108W. ITCZ FROM 09N105W TO 02N140W. NO
SIGNIFICANT CONVECTION OBSERVED.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.



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