High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 170940
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU APR 17 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 17.
24 HOUR FORECAST VALID 0600 UTC APR 18.
48 HOUR FORECAST VALID 0600 UTC APR 19.

.WARNINGS.

...STORM WARNING...
.LOW 40N178W 988 MB MOVING NE 45 KT. OVER FORECAST WATERS WITHIN
300 NM NE...540 NM SE AND SW...AND 180 NM NW QUADRANTS WINDS 30
TO 45 KT. SEAS 9 TO 19 FT.
.24 HOUR FORECAST LOW 47N154W 982 MB. WITHIN 420 NM E... 540 NM
SE...AND 780 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20
FT. .48 HOUR FORECAST LOW 51N144W 972 MB. BETWEEN 120 NM AND 420
NM SW SEMICIRCLE...AND WITHIN 90 NM NE OF A LINE FROM 53N136W TO
48N132W WINDS 45 TO 60 KT. SEAS 16 TO 36 FT...HIGHEST S
QUADRANT. ELSEWHERE BETWEEN 180 NM AND 480 NM NE...AND 90 NM AND
600 NM SW SEMICIRCLES WINDS 30 TO 45 KT. SEAS 11 TO 28
FT...HIGHEST S QUADRANT.

...GALE WARNING...
.LOW 54N138W 991 MB MOVING N 10 KT. WITHIN 120 NM NE...300 NM
S...AND 360 NM SW QUADRANTS...AND WITHIN 180 NM SE AND E OF A
FRONT FROM 52N132W TO 45N135W TO 39N145W WINDS 20 TO 30 KT. SEAS
8 TO 13 FT.
.06 HOUR FORECAST LOW 55N137W 989 MB. WITHIN 420 NM S AND 300 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 58N138W 997 MB. WITHIN 240 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 43N175E 1002 MB. WITHIN 360 NM
SE...540 NM SW...AND 480 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST LOW 45N162W 1004 MB. WITHIN 360 NM SE AND 540
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 19 FT.

...GALE WARNING...
.48 HOUR FORECAST OVER FORECAST WATERS FROM 36N TO 43N W OF 168E
WINDS 25 TO 35 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 41N BETWEEN 122W AND 128W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS 9 TO 12 FT.
.24 HOUR FORECAST FROM 32N TO 39N BETWEEN 121W AND 126W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 55N180W 997 MB MOVING SE 10 KT. OVER FORECAST WATERS WITHIN
240 NM SW AND 300 NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
47N154W DESCRIBED IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 32N TO 40N BETWEEN 164W AND 179W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 47N BETWEEN 145W AND
157W.
.48 HOUR FORECAST CONDITIONS IMPROVING.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER FORECAST WATERS FROM 30N TO 32N BETWEEN 169E AND 613E.

.HIGH 31N151W 1026 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 31N146W 1025 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 42N148W 1018 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 44N132W 1021 MB.
.48 HOUR FORECAST HIGH INLAND.

.24 HOUR FORECAST HIGH 33N178E 1025 MB.
.48 HOUR FORECAST HIGH 34N173W 1028 MB.

.FORECASTER BELL. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 3.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC THU APR 17.
24 HOUR FORECAST VALID 0600 UTC FRI APR 18.
48 HOUR FORECAST VALID 0600 UTC SAT APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY A LINE FROM 12N105W TO 12N98W TO 06N98W
TO 12N105W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED NE AND S
SWELL.
.24 HOUR FORECAST FROM 04N TO 09N BETWEEN 103W AND 107W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED NE AND S SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY A LINE FROM 18N140W TO 06N125W TO
06N140W TO 19N140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NW
AND NE SWELL.
.24 HOUR FORECAST FROM 06N TO 17N W OF 135W WINDS 20 KT OR LESS.
SEAS 8 FT PRIMARILY IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.N OF 28N BETWEEN 118W AND 127W WINDS 20 KT OR LESS. SEAS 8 FT
IN N SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 120W AND 125W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 118W AND 122W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN N SWELL.

.OVER FORECAST WATERS S OF 02N BETWEEN 105W AND 125W WINDS 20 KT
OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.
SEAS TO 8 FT.

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

CONVECTION VALID 0900 UTC THU APR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 11N97W TO 05N120W TO 05N140W. SCATTERED MODERATE
WITHIN 90 NM NORTH OF ITCZ AXIS BETWEEN 130W AND 140W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.


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