High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 270349
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON APR 27 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 27.
24 HOUR FORECAST VALID 0000 UTC APR 28.
48 HOUR FORECAST VALID 0000 UTC APR 29.

.WARNINGS.

...STORM WARNING...
.LOW 35N148W 1010 MB MOVING NE 30 KT AND INTENSIFYING. FRONT
EXTENDS FROM 44N133W SW TO LOW CENTER. WITHIN 240 NM NE...300 NM
S AND SE...AND 720 NM W AND SW QUADRANTS N OF 30N WINDS 25 TO 40
KT. SEAS 10 TO 19 FT. ELSEWHERE WITHIN 240 NM E OF FRONT N OF
39N...WITHIN 420 NM E SEMICIRCLE...AND WITHIN 1200 NM W AND SW
AND 600 NM NW QUADRANTS N OF 30N WINDS 20 TO 30 KT. SEAS 8 TO 16
FT.
.24 HOUR FORECAST LOW 47N134W 996 MB. WITHIN 360 NM NE...540 NM
SE...420 NM SW...AND 120 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS
10 TO 19 FT. ELSEWHERE WITHIN 420 NM NE...660 NM S AND SE...600
NM SW...AND 180 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 16
FT.
.36 HOUR FORECAST LOW 53N132W 988 MB. WITHIN 120 NM NE AND 180 NM
S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 28 FT.
.48 HOUR FORECAST LOW INLAND 60N134W 990 MB. CONDITIONS DESCRIBED
WITH LOW 53N141W BELOW.

...GALE WARNING...
.FROM 32N TO 35N BETWEEN 119W AND 122W AREA OF NW WINDS 25 TO 35
KT. SEAS TO 12 FT. ELSEWHERE FROM 30N TO 39N BETWEEN 117W AND
125W AREA OF NW WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 30N TO 38N BETWEEN 120W AND 126W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 120W AND 129W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.E OF A FRONT FROM 49N127W TO 52N129W TO THE COAST OF CANADA AREA
OF S TO SE WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE E OF A
LINE FROM 44N126W TO 53N130W AREA OF S TO SE WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 47N134W ABOVE.

...GALE WARNING...
.LOW 55N148W 981 MB MOVING SE 10 KT. WITHIN 240 NM N SEMICIRCLE
AND 480 NM SE AND 720 NM S AND SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 9 TO 17 FT. ELSEWHERE WITHIN 420 NM NE...660 NM SE...960 NM
S AND SW...AND 360 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO
16 FT.
.24 HOUR FORECAST LOW 54N145W 990 MB. BETWEEN 90 NM AND 360 NM SW
QUADRANT...AND BETWEEN 120 NM AND 240 NM NW QUADRANT WINDS 25 TO
35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN 360 NM OF LOW CENTER...
EXCEPT 900 NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.
.48 HOUR FORECAST 53N141W 997 MB. BETWEEN 90 NM AND 360 NM E AND
NE QUADRANTS...AND WITHIN 240 NM SE AND 300 NM SW QUADRANTS WINDS
25 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE BETWEEN 180 NM AND 420
NM N AND NW QUADRANTS...AND FROM 39N TO 56N BETWEEN 130W AND
152W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 55N179E 993 MB MOVING NE 10 KT WILL TURN NW AFTER 12 HOURS.
WITHIN 180 NM NE...720 NM SE...AND 240 NM S AND SW QUADRANTS
WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE FROM 42N TO 59N
BETWEEN 168W AND 173E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 57N178W 995 MB. OVER ICE FREE WATERS FROM
54N TO 60N BETWEEN 169W AND 176E WINDS 20 TO 30 KT. SEAS TO 12
FT.
.48 HOUR FORECAST LOW DISSIPATED. OVER ICE FREE FORECAST WATERS W
AND NW OF A LINE FROM 51N173E TO 60N176W AREA OF WINDS TO 25 KT.
SEAS TO 8 FT.

...GALE WARNING...
.LOW 40N166E 1014 MB MOVING NE 35 KT. WITHIN 360 NM NE AND 300 NM
SE AND 420 NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST LOW 44N175E 1012 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 47N176W 1009 MB. WITHIN 360 NM SE AND 540
NM S AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
ELSEWHERE WITHIN 600 NM E AND SE AND 720 NM S AND SW QUADRANTS
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
54N171W BELOW.

...GALE WARNING...
.LOW W OF AREA 48N148E 1001 MB MOVING NE 40 KT. OVER FORECAST
WATERS W OF A LINE FROM 44N162E TO 51N168E WINDS TO 25 KT. SEAS
TO 8 FT.
.12 HOUR FORECAST LOW 50N161E 1000 MB. WITHIN 420 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 52N172E 991 MB. WITHIN 240 NM E AND SE...
AND 360 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
ELSEWHERE FROM 42N TO 54N BETWEEN 179E AND 161E WINDS 20 TO 30
KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 54N171W 990 MB. WITHIN 540 NM SE AND 420
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE
WITHIN 960 NM SE AND 600 NM W AND SW QUADRANTS WINDS 20 TO 30
KT. SEAS 8 TO 16 FT.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST EXCEPT AS DESCRIBED IN WARNINGS SECTION FROM
30N TO 33N BETWEEN 140W AND 162W AREA OF NE WINDS TO 25 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST CONDITIONS MOVED S OF FORECAST AREA.

.48 HOUR FORECAST LOW 35N165E 1017 MB. WITHIN 360 NM E AND NE
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF
45N129W...AND WITHIN 300 NM E OF A LINE FROM 35N162E TO 43N167E
TO 50N177W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 52N BETWEEN 127W AND 135W
AND ALSO WITHIN 300 NM E AND SE OF A LINE FROM 41N175E TO
48N171W.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM E OF A LINE FROM
41N177W TO 44N161W TO 50N160W.

.HIGH 34N131W 1027 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 38N171W 1037 MB MOVING SE 15 KT WILL SLOW AND TURN E AFTER
24 HOURS.
.24 HOUR FORECAST HIGH 35N164W 1036 MB.
.48 HOUR FORECAST HIGH 35N158W 1035 MB.

.24 HOUR FORECAST HIGH 37N163E 1025 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER MILLS. 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 MON APR 27.
24 HOUR FORECAST VALID 0000 UTC TUE APR 28.
48 HOUR FORECAST VALID 0000 UTC WED APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 29N BETWEEN 118W AND 122W AND N OF 25N WITHIN 180 NM W OF
BAJA CALIFORNIA PENINSULA NW TO N WINDS 20 TO 25 KT. SEAS 9 TO
11 FT IN NW TO N SWELL. ELSEWHERE N OF 25N BETWEEN THE BAJA
CALIFORNIA PENINSULA AND 124W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN NW TO N SWELL.
.24 HOUR FORECAST N OF 24N BETWEEN 117W AND 124W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 16N BETWEEN 122W AND 132W NE WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT. ELSEWHERE WITHIN AREA BOUNDED BY 19N140W TO
19N130W TO 12N113W TO 06N113W TO 06N140W TO 19N140W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 15N140W TO 15N130W TO
11N119W TO 07N119W TO 07N140W TO 15N140W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST FROM 07N TO 14N W OF 132W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.

.S OF A LINE FROM 03.4S99W TO 04N110W TO 00N120W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN SW SWELL.
.24 HOUR FORECAST S OF A LINE FROM 03.4S97W TO 04N115W TO
04N120W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SW AND NW
SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST W OF A LINE FROM 30N139W TO 29N140W WINDS 20
KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST W OF A LINE FROM 30N137W 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 0230 UTC MON APR 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ EXTENDS FROM 09N94W TO 06N108W TO 08N116W TO 01N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 07N BETWEEN
90W AND 97W...FROM 02N TO 05N BETWEEN 100W AND 103W...FROM 06N
TO 10N BETWEEN 98W AND 106W...FROM 02N TO 06N BETWEEN 106W AND
111W...WITHIN 300 NM NE OF A LINE FROM 01N114W TO 07N120W...AND
WITHIN 75 NM EITHER SIDE OF AXIS BETWEEN 126W AND 131W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


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