High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 300343
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE MAY 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 30.
24 HOUR FORECAST VALID 0000 UTC MAY 31.
48 HOUR FORECAST VALID 0000 UTC JUN 01.

.WARNINGS.

...GALE WARNING...
.LOW 42N179W 997 MB MOVING NE 30 KT. WITHIN 420 NM S SEMICIRCLE
AND 180 NM N QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 46N163W 996 MB. WITHIN 420 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 48N148W 1001 MB. WITHIN 420 NM S AND SW
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 30N TO 34N BETWEEN 166E AND 160E WINDS 25
TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 31N162E 1010 MB. FROM 30N TO 37N BETWEEN
173E AND 160E WINDS TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

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

.FROM 32N TO 40N BETWEEN 120W AND 127W N TO NW WINDS 20 TO 30
KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 32N TO 40N BETWEEN 120W AND 125W N TO NW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 30N TO 37N BETWEEN 119W AND 124W N TO NW
WINDS TO 25 KT. SEAS TO 8 FT.

.LOW 47N152W 994 MB MOVING NE 15 KT. WITHIN 720 NM S AND E...AND
360 NM N AND W QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
WINDS AND SEAS HIGHEST S QUADRANT.
.24 HOUR FORECAST LOW 51N147W 1002 MB. WITHIN 600 NM S AND 360
NM N QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 53N154W 1001 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.LOW 53N175E 992 MB MOVING SE 05 KT. WITHIN 360 NM N AND NE
QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 52N179E 998 MB. WITHIN 360 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 54N173W 1001 MB. WITHIN 660 NM S AND SW
SEMICIRCLES WINDS TO 25 KT. SEAS TO 9 FT.

.LOW 44N174E 998 MB MOVING E 20 KT. WITHIN 480 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW LOW 49N139W 1001 MB. WINDS LESS THAN 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 51N136W 999 MB. WITHIN 360 NM E QUADRANT
WINDS 20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST N OF 44N W OF 167E WINDS 20 TO 30 KT. SEAS TO
8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 40N TO 53N BETWEEN 133W AND 150W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 54N147W TO 47N137W TO 37N132W...AND FROM 36N TO 50N BETWEEN
155W AND 165W.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 55N151W TO 45N131W...AND FROM 42N TO 50N W OF 165E.

.HIGH 31N133W 1024 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH S OF FORECAST AREA.

.HIGH 60N145W 1018 MB MOVING NW 10 KT.
.24 HOUR FORECAST HIGH INLAND OVER ALASKA.

.24 HOUR FORECAST NEW HIGH 44N169E 1018 MB.
.48 HOUR FORECAST HIGH 42N178E 1027 MB.

.48 HOUR FORECAST HIGH 31N170W 1024 MB.

.FORECASTER COLLINS. 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 TUE MAY 30.
24 HOUR FORECAST VALID 0000 UTC WED MAY 31.
48 HOUR FORECAST VALID 0000 UTC THU JUN 01.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 07N TO 15N W OF 133W WINDS 20 KT OR LESS. SEAS TO 8 FT IN
MIXED NE AND SE SWELL.
.24 HOUR FORECAST FROM 07N TO 13N W OF 135W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED NE AND SE SWELL.
.48 HOUR FORECAST FROM 08N TO 10N W OF 138W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED NE AND SE SWELL.

.24 HOUR FORECAST BROAD LOW PRES CENTERED NEAR 13N99W 1008 MB.
WITHIN 30 NM EITHER SIDE OF LINE FROM 16N97W TO 16N100W WINDS E
TO SE 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N99W 1007 MB. WITHIN 30 NM OF
LINE FROM 15N97W TO 16N98W TO 16N101W E TO SE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.

.18 HOUR FORECAST N OF 29N BETWEEN 120W AND 125W WINDS 20 KT OR
LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF 28N BETWEEN 119W AND 122W WINDS 20 KT OR
LESS. SEAS 8 FT IN NW SWELL.

.30 HOUR FORECAST S OF 02S BETWEEN 110W AND 120W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 03.4S96W TO 01S107W TO 01S120W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL.

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

CONVECTION VALID AT 0215 UTC TUE MAY 30...

.LOW PRES CENTERED NEAR 13N100W 1009 MB IS ASSOCIATED WITH BROAD
LOW PRES FROM 09N TO 17N BETWEEN 90W AND 105W...SCATTERED
MODERATE TO STRONG FROM 12N TO 15N BETWEEN 92W AND 96W.
SCATTERED MODERATE ISOLATED STRONG FROM 09N TO 11N BETWEEN 98W
AND 102W...AND ALSO WITHIN 30 NM OF LINE FROM 08.5N102W TO
09N106W.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF LINE FROM
06N92W TO 09N91W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N74W TO 08N84W TO LOW PRES
NEAR 13N100W 1009 MB TO 09N114W. ITCZ AXIS EXTENDS FROM 09N114W
TO 06N126W TO BEYOND 07N140W. SCATTERED MODERATE WITHIN 60 NM
S OF AXIS BETWEEN 84W AND 85W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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