000
FZPN01 KWBC 222209
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED MAR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC MAR 22.
24 HOUR FORECAST VALID 1800 UTC MAR 23.
48 HOUR FORECAST VALID 1800 UTC MAR 24.

.WARNINGS.

...STORM WARNING...
.LOW 44N157W 988 MB MOVING SE 20 KT. FROM 39N TO 43N BETWEEN
154W AND 165W WINDS 40 TO 50 KT. SEAS 14 TO 28 FT. ALSO BETWEEN
90 NM AND 300 NM N QUADRANT...WITHIN 480 NM S SEMICIRCLE AND
WITHIN 240 NM E OF A FRONT FROM 41N145W TO 33N152W WINDS 25 TO
35 KT. SEAS 9 TO 19 FT. ELSEWHERE WITHIN 360 NM N AND 600 NM S
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 43N146W 1001 MB
AND SECOND NEW CENTER 47N136W 989 MB. FRONT TO EXTEND FROM
49N132W TO 41N130W TO 31N147W. WITHIN 300 NM W AND 420 NM S
QUADRANTS OF FIRST CENTER AND 180 NM E AND SE OF FRONT WINDS 25
TO 40 KT. SEAS 12 TO 24 FT...EXCEPT E OF THE FRONT 9 TO 14 FT.
ELSEWHERE WITHIN 360 NM NW AND 540 NM S AND SW QUADRANTS FIRST
LOW AND 240 NM NW SEMICIRCLE AND 480 NM S QUADRANT SECOND LOW
AND 240 NM E AND SE OF FRONT WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST 51N132W 992 MB. WITHIN 180 NM W QUADRANT AND
360 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
ELSEWHERE WITHIN 900 NM S QUADRANT WINDS TO 25 KT. SEAS 8 TO 14
FT.

...STORM WARNING...
.LOW 36N161E 965 MB MOVING NE 25 KT. OVER FORECAST WATERS WITHIN
300 NM S QUADRANT WINDS 50 TO 60 KT. SEAS 20 TO 40 FT. ALSO FROM
30N TO 36N W OF 172E AND WITHIN 180 NM N OF A FRONT FROM 39N161E
TO 38N168E WINDS 40 TO 50 KT. SEAS 14 TO 28 FT...EXCEPT N OF
FRONT 9 TO 17 FT. ELSEWHERE FROM 30N TO 44N W OF 176E WINDS 25
TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 42N172E 964 MB. FROM 30N TO 40N BETWEEN
180W AND 162E AND WITHIN 180 NM NE AND E OF A FRONT FROM 45N168E
TO 43N179W TO 35N175W WINDS 40 TO 55 KT. SEAS 22 TO 44
FT...EXCEPT NE AND E OF FRONT 12 TO 24 FT. ELSEWHERE W OF A LINE
FROM 30N171W TO 40N168W TO 51N178W WINDS 25 TO 40 KT. SEAS 10 TO
24 FT.
.48 HOUR FORECAST LOW 46N178E 965 MB. FROM 34N TO 44N BETWEEN
173W AND 169E AND WITHIN 240 NM N OF A LINE FROM 50N174E TO
49N176W TO 48N166W WINDS 40 TO 55 KT. SEAS 20 TO 40 FT...HIGHEST
S OF LOW. ELSEWHERE EXCEPT WHERE NOTED IN GALE WARNING BELOW W
OF A LINE FROM 30N163W TO 35N154W TO 45N154W TO 59N172W WINDS 25
TO 40 KT. SEAS 12 TO 28 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW W OF AREA 37N159E 998 MB. OVER FORECAST
WATERS WITHIN 420 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 14
FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF THE 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.

.LOW 52N137W 997 MB MOVING E 10 KT. WITHIN 300 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 43N TO 51N
BETWEEN 124W AND 141W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH NEW
LOW 47N136W IN WARNINGS SECTION ABOVE.

.LOW NW OF AREA 53N166E 1000 MB MOVING N 05 KT. WITHIN 180 NM NE
OF A LINE FROM 56N172E TO 54N177E WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS NW OF AREA.

.LOW 56N146W 998 MB DRIFTING SE. WITHIN 240 NM W AND NW
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 55N144W 1002 MB. WITHIN 90 NM W OF A LINE
FROM 59N151W TO 52N145W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 8
FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.24 HOUR FORECAST E OF A LINE FROM 35N122W TO 30N120W NW WINDS
20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST OVER FORECAST WATERS WITHIN 180 NM SE OF A
FRONT FROM 38N124W TO 30N133W WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.
.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NE OF A LINE FROM 60N178W TO 56N168W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE
FROM 61N177W TO 58N173W.
.48 HOUR FORECAST LITTLE CHANGE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 33N TO 41N BETWEEN 143W AND 148W.
.24 HOUR FORECAST DENSE FOG FROM 30N TO 40N BETWEEN 171W AND
177W AND FROM 41N TO 45N BETWEEN 178E AND 168E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM N AND NE OF A LINE
FROM 46N177E TO 46N169W TO 42N163W AND FROM 30N TO 42N BETWEEN
156W AND 167W.

.HIGH 63N172W 1024 MB MOVING S 05 KT.
.24 HOUR FORECAST HIGH 61N172W 1023 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N167W 1022 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 33N159W 1023 MB.
.48 HOUR FORECAST HIGH 32N147W 1026 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 WED MAR 22.
24 HOUR FORECAST VALID 1800 UTC THU MAR 23.
48 HOUR FORECAST VALID 1800 UTC FRI MAR 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N116W TO 25N125W TO 20N140W. W OF A LINE FROM
30N123W TO 24N127W TO 20N126W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 23N110W TO 20N120W.
FROM 20N TO 26N W OF 110W AND W OF BAJA CALIFORNIA PENINSULA TO
117W N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 20N
BETWEEN 110W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. FROM 20N TO 28N BETWEEN
110W AND 123W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.FROM 08N TO 13N W OF 130W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
10 FT. ELSEWHERE FROM 05N TO 15N W OF 119W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 08N TO 14N W OF 120W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 10 FT. ELSEWHERE FROM 05N TO 20N W OF 115W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 06N TO 11N W OF 133W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 11 FT. ELSEWHERE FROM 03N TO 20N W OF 113W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 13.5N95.5W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.
.18 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.27 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.33 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 11N E OF 87W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.03 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST FROM 10N TO 11.5N E OF 87W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W
TO 09N90W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25
KT. SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST FROM 10N TO 11.5N E OF 88W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST FROM 10N TO 11.5N E OF 87W...INCLUDING THE GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.

.06 HOUR FORECAST GULF OF CALIFORNIA TROUGH ALONG 31N. S OF
TROUGH TO 29.5N SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST GULF OF CALIFORNIA TROUGH ALONG 30.5N. S OF
TROUGH TO 29.5N SW TO W WINDS 20 TO 30 KT. SEAS TO 8 FT. N OF
FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST GULF OF CALIFORNIA TROUGH ALONG 30N. FROM 29.5N
TO 30.5N W WINDS 20 TO 30 KT. SEAS TO 8 FT. ELSEWHERE N OF 25N W
OF 110W NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA TROUGH DISSIPATED. FROM 23N
TO 28N W OF 108W NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST FROM 21N TO 27N BETWEEN 107W AND 110W...
INCLUDING THE GULF OF CALIFORNIA...NW TO N WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.30 HOUR FORECAST COLD FRONT APPROACHING 30N140W. W OF A LINE
FROM 30N139W TO 29N140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N136W TO 28N140W. W OF A LINE
FROM 30N132W TO 28N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL.

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

CONVECTION VALID AT 2100 UTC WED MAR 22...

.SCATTERED MODERATE S OF 01S BETWEEN 94W AND 96W AND S OF 02S
BETWEEN 101W AND 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N112W TO LOW PRES NEAR 05N114W TO
04N124W. ITCZ AXIS EXTENDS FROM 04N124W TO 04N140W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 480 NM NW QUADRANT OF LOW.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.