478
FZPN01 KWBC 280350
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI APR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 28.
24 HOUR FORECAST VALID 0000 UTC APR 29.
48 HOUR FORECAST VALID 0000 UTC APR 30.

.WARNINGS.

...STORM WARNING...
.LOW W OF AREA NEAR 52N161E 970 MB MOVING NE 10 KT THEN TURNING
E 20 KT AFTER 24 HOURS. FRONT EXTENDS FROM 54N166E TO 48N167E TO
40N165E TO 33N154E. OVER FORECAST WATERS N OF 44N BETWEEN 166E
AND 171E AND WITHIN 240 NM E OF FRONT FROM 36N TO 44N WINDS 35
TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE FROM 43N TO 55N W OF 173E
AND WITHIN 360 NM E OF FRONT S OF 43N WINDS 25 TO 40 KT. SEAS 8
TO 19 FT.
.24 HOUR FORECAST LOW W OF AREA 53N164E 971 MB. FRONT TO EXTEND
FROM 57N174E TO 52N177W TO 45N176W TO 35N170E. WITHIN 360 NM S
QUADRANT AND WITHIN 180 NM E OF FRONT FROM 38N TO 51N WINDS 35
TO 45 KT. SEAS 15 TO 22 FT...EXCEPT E OF FRONT 11 TO 17 FT.
ELSEWHERE FROM 45N TO 53N W OF 171E AND WITHIN 240 NM NE AND E
OF FRONT WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 52N179E 986 MB. FROM 45N TO 51N BETWEEN
176W AND 171E WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.

...GALE WARNING...
.FROM 30N TO 36N BETWEEN 118W AND 123W AREA OF N TO NW WINDS 25
TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 30N TO 40N E OF 127W
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST E OF A LINE FROM 43N127W TO 30N130W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST E OF A LINE FROM 42N126W TO 30N130W AND W OF
121W AREA OF N WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 38N154W 1013 MB MOVING NE 35 KT. FRONT EXTENDS FROM 40N150W
TO LOW CENTER TO 30N159W. WITHIN 180 NM E OF FRONT N OF 33N AND
BETWEEN THE FRONT AND 174W WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 48N142W 1010 MB. FRONT TO EXTEND FROM THE
LOW TO 40N147W TO 30N151W. WITHIN 240 NM E QUADRANT WINDS 25 TO
35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 240 NM NE AND 360 NM E
AND SE QUADRANTS...WITHIN 240 NM E OF FRONT AND WITHIN 360 NM W
OF FRONT S OF 40N WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 53N132W 997 MB. FROM 49N TO 53N BETWEEN
130W AND 138W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE
WITHIN 240 NM N SEMICIRCLE AND E OF A LINE FROM 53N142W TO
43N134W WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 56N175W 987 MB. FRONT TO EXTEND FROM
LOW TO 55N163W TO 50N159W TO 40N167W TO 35N180W. WITHIN 240 NM N
SEMICIRCLE AND WITHIN 180 NM NE AND E OF FRONT N OF 40N WINDS 25
TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 600 NM E AND 360 NM
N AND NW QUADRANTS AND WITHIN 240 NM E AND SE OF FRONT WINDS 20
TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW S OF AREA NEAR 29N158W 1008 MB. FROM 30N
TO 34N BETWEEN 155W AND 162W WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
ELSEWHERE FROM 30N TO 35N BETWEEN 146W AND 163W WINDS TO 25 KT.
SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 58N137W 1009 MB MOVING N 10 KT. OVER FORECAST WATERS FROM
54N TO 57N E OF 141W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW 55N167W 1006 MB MOVING E 10 KT. WITHIN 840 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST OVER FORECAST WATERS FROM 30N TO 35N W OF 170E
WINDS TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW W OF AREA NEAR 35N158E 1007 MB. FROM 30N
TO 38N BETWEEN 176E AND 160E WINDS TO 25 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM S AND
SE OF A LINE FROM 42N131W TO 44N147W TO 38N155W AND FROM 40N TO
52N BETWEEN 173E AND 164E.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE
FROM 49N142W TO 41N133W TO 36N150W TO 49N142W...FROM 40N TO 50N
BETWEEN 173W AND 179W AND OVER FORECAST WATERS FROM 30N TO 34N W
OF 164E.
.48 HOUR FORECAST DENSE FOG FROM 39N TO 44N BETWEEN 129W AND
141W AND FROM 30N TO 35N BETWEEN 170E AND 160E.

.HIGH 46N135W 1028 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 46N129W 1029 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 34N138W 1028 MB MOVING NE 10 KT THEN BECOMING STATIONARY
IN 24 HOURS.
.24 HOUR FORECAST HIGH 37N134W 1029 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 34N180W 1032 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 34N172W 1029 MB.
.48 HOUR FORECAST HIGH 31N171W 1026 MB.

.24 HOUR FORECAST HIGH 37N162E 1018 MB.
.48 HOUR FORECAST HIGH 39N177E 1022 MB.

.48 HOUR FORECAST NEW HIGH 43N146W 1027 MB.

.FORECASTER BANCROFT. 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 FRI APR 28.
24 HOUR FORECAST VALID 0000 UTC SAT APR 29.
48 HOUR FORECAST VALID 0000 UTC SUN APR 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 28.5N BETWEEN 118W AND 124W NW TO N WINDS 20 TO 25 KT.
SEAS 10 TO 12 FT. ELSEWHERE N OF 24N BETWEEN 116W AND 129W WINDS
20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 117W AND 124W NW TO N WINDS
20 TO 25 KT. SEAS 10 TO 13 FT IN NW SWELL. ELSEWHERE N OF 23N
BETWEEN 115W AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.36 HOUR FORECAST N OF 28N BETWEEN 120W AND 125W N WINDS 20 TO
25 KT. SEAS 10 TO 11 FT. ELSEWHERE N OF 21N BETWEEN 114W AND
130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST N OF 19N BETWEEN 115W AND 130W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN NW SWELL.

.FROM 07N TO 23N W OF 135W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 10N TO 20N W OF 136W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 19N TO 24.5N W OF 132W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED SWELL.

.S OF LINE FROM 01N127W TO 01S113W TO 03.4S102W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN SW SWELL.
.24 HOUR FORECAST S OF LINE FROM 01N124W TO 09N116W TO 03N102W
TO 03.4S94W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FORECAST S OF 02N BETWEEN 92W AND 105W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN SW SWELL.

.GULF OF CALIFORNIA 36 HOUR FORECAST N OF 29.5N W OF 113.5W N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA FROM 27N TO 28.5N NW
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 0215 UTC FRI APR 28...

.SCATTERED MODERATE WITHIN 30 NM OF 05N86W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N85W TO 06N91W TO 07N100W TO 07N111W.
ITCZ AXIS EXTENDS FROM 07N111W TO 05N122W TO 05N131W TO BEYOND
05N140W. SCATTERED STRONG WITHIN 60 NM OF AXIS BETWEEN 105W AND
108W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM S OF AXIS
BETWEEN 102W AND 105W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.