High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 180417
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT APR 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18.
24 HOUR FORECAST VALID 0000 UTC APR 19.
48 HOUR FORECAST VALID 0000 UTC APR 20.

.WARNINGS.

...STORM WARNING...
.LOW 53N154W 983 MB WILL MOVE NW 25 KT. FRONT EXTENDS FROM
54N153W TO 50N151W TO 45N155W TO 40N162W TO 35N170W. WITHIN 360
NM E SEMICIRCLE WINDS 35 TO 50 KT. SEAS 13 TO 24 FT. ELSEWHERE
WITHIN 480 NM N AND NE...480 NM E...AND 600 NM S QUADRANTS...AND
ELSEWHERE WITHIN 300 NM E OF FRONT WINDS 25 TO 40 KT. SEAS 8 TO
18 FT.
.24 HOUR FORECAST LOW 57N164W 979 MB. WITHIN 420 NM SW AND 360
NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 23 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED INTO LOW 60N160W
DESCRIBED BELOW.

...STORM WARNING...
.LOW 50N168W 977 MB MOVING NE 10 KT. FRONT EXTENDS FROM LOW
CENTER TO 56N159W. WITHIN 540 NM SE...720 NM SW...AND 420 NM NW
QUADRANTS...AND 480 NM N OF FRONT WINDS 25 TO 40 KT. SEAS 8 TO
18 FT.
.24 HOUR FORECAST LOW 52N160W 977 MB. N OF 56N BETWEEN 148W AND
135W WINDS 30 TO 45 KT. SEAS 12 TO 18 FT. ELSEWHERE EXCEPT WHERE
DESCRIBED IN STORM WARNING ABOVE...WITHIN 480 NM SW AND 540 NM
SE QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 23 FT.
.36 HOUR FORECAST LOW 56N157W 981 MB. N OF 57N BETWEEN 147W AND
139W WINDS 35 TO 50 KT. SEAS 12 TO 18 FT.
.48 HOUR FORECAST LOW 60N160W 985 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 19 FT.

...GALE WARNING...
.FROM 37N TO 45N BETWEEN 124W AND 129W AREA OF N WINDS 20 TO 30
KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST FROM 38N TO 44N BETWEEN 124W AND 128W AREA OF
N WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ALSO FROM 35N TO 46N
BETWEEN 124W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS 8 TO 12
FT.
.48 HOUR FORECAST FROM 38N TO 45N BETWEEN 124W AND 130W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW W OF AREA NEAR 43N159E 1006 MB. OVER
FORECAST WATERS WITHIN 240 NM NE AND 360 NM E QUADRANTS WINDS 25
TO 35 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW 41N162E 1011 MB. WITHIN 360 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 57N BETWEEN 164W AND
177W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF
57N BETWEEN 167W AND 177W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N
BETWEEN 161W AND 167W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST NEW LOW 42N171E 1011 MB. WITHIN 420 NM SE
QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 53N
BETWEEN 161W AND 150W...AND FROM 38N TO 43N BETWEEN 152W AND
147W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 58N BETWEEN 150W AND
136W...AND FROM 36N TO 45N BETWEEN 154W AND 143W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 139W AND
131W.

.HIGH 48N134W 1034 MB MOVING SE 10 KT WILL BECOME STATIONARY.
.24 HOUR FORECAST HIGH 45N132W 1032 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 39N138W 1030 MB NEARLY STATIONARY NEXT 24 HOURS THEN
MOVING SW 15 KT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 32N147W 1028 MB.

.HIGH 46N163E 1027 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH 37N178E 1028 MB.
.48 HOUR FORECAST HIGH 35N168W 1031 MB.

.HIGH 32N164E 1023 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER ROWLAND. 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 SAT APR 18.
24 HOUR FORECAST VALID 0000 UTC SUN APR 19.
48 HOUR FORECAST VALID 0000 UTC MON APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.W OF LINE FROM 30N117W TO 13N128W TO 09N140W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST FROM 09N TO 17N W OF 115W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST FROM 10N TO 15N W OF 125W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW SWELL.

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

CONVECTION VALID 0300 UTC SAT APR 18...
.TROUGH FROM 08N91W TO 04N102W. SCATTERED MODERATE WITHIN 60 NM
OF TROUGH BETWEEN 95W AND 99W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 02N107W TO 02N128W TO 06N140W. NO SIGNIFICANT
CONVECTION.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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