High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 260341
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI MAY 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26.
24 HOUR FORECAST VALID 0000 UTC MAY 27.
48 HOUR FORECAST VALID 0000 UTC MAY 28.

.WARNINGS.

...GALE WARNING...
.LOW W OF AREA 42N153E 1006 MB MOVING NE 20 KT. WITHIN 660 NM SE
QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 48N170E 1003 MB. FROM 39N TO 46N W OF 168W
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW WITH WITH FIRST CENTER 52N175E 993
MB AND SECOND CENTER 45N172W 997 MB. FROM 35N TO 44N BETWEEN
156W AND 172E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE
WITHIN 360 NM SW SEMICIRCLE AND 300 NM E AND NE QUADRANTS OF
SECOND CENTER WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.FROM 49N TO 51N BETWEEN 128W AND 130W N TO NW WINDS 25 TO 35
KT. SEAS TO 12 FT. ELSEWHERE FROM 46N TO 54N BETWEEN 127W AND
133W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 48N TO 54N E OF 133W N TO NW WINDS 20 TO
30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.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.

.LOW 53N171W 1013 MB MOVING E 20 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 54N160W 1008 MB. WITHIN 240 NM E AND 480
NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 53N156W 1003 MB. WITHIN 540 NM E AND NE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.

.FROM 40N TO 44N E OF 128W N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 33N TO 50N W
OF 177E.
.24 HOUR FORECAST DENSE FOG FROM 33N TO 53N W OF 170W.
.48 HOUR FORECAST DENSE FOG FROM 34N TO 44N W OF 162W.

.HIGH 48N143W 1029 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 50N139W 1026 MB.
.48 HOUR FORECAST HIGH ABSORBED BY HIGH 59N140W.

.HIGH 41N172W 1038 MB MOVING SW 15 KT.
.24 HOUR FORECAST HIGH 35N176W 1031 MB.
.48 HOUR FORECAST HIGH 32N176E 1025 MB.

.HIGH 52N174E 1022 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 54N176W 1020 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 54N139W 1025 MB.
.48 HOUR FORECAST HIGH 59N140W 1024 MB.

.48 HOUR FORECAST NEW HIGH 34N131W 1023 MB.

.FORECASTER ACHORN. 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 MAY 26.
24 HOUR FORECAST VALID 0000 UTC SAT MAY 27.
48 HOUR FORECAST VALID 0000 UTC SUN MAY 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA TROUGH FROM 31.5N113.5W TO 30.5N114W TO
30N115W. WITHIN 60 NM SE OF TROUGH S TO SW WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 30N TO 30.5N W OF 114W S TO SW WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 13N101W 1009 MB. WITHIN 60 NM SE QUADRANT OF LOW
WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.12 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.S OF LINE FROM 01S120W TO 02.5S105W TO 03S97W WINDS 20 KT OR
LESS. SEAS 8 FT IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST S OF 02S BETWEEN 100W AND 120W WINDS 20 KT OR
LESS. SEAS 8 FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 105W AND 120W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL.

.06 HOUR FORECAST N OF 29N BETWEEN 126W AND 132W WINDS 20 KT OR
LESS. SEAS 8 FT IN NW TO N SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0215 UTC FRI MAY 26...

.TROPICAL WAVE N OF 04N ALONG 82W...SCATTERED MODERATE TO STRONG
WITHIN 180 NM W OF WAVE.

.LOW PRES NEAR 10N111W...SCATTERED MODERATE WITHIN 120 NM
SW QUADRANT.

.SCATTERED MODERATE WITHIN 30 NM OF 11N104W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 11N95W TO A 1009 MB
LOW NEAR 13N101W TO 10.5N106W TO A 1010 MB LOW NEAR 10N111W TO
08N120W TO 09N130W. ITCZ AXIS EXTENDS FROM 09N130W TO 08N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM S OF AXIS
BETWEEN 89W AND 92W...AND WITHIN 60 NM N OF AXIS BETWEEN 135W
AND 138W. SCATTERED MODERATE WITHIN 120 NM N OF AXIS BETWEEN
115W AND 119W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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