High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 262157
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 26.
24 HOUR FORECAST VALID 1800 UTC MAY 27.
48 HOUR FORECAST VALID 1800 UTC MAY 28.

.WARNINGS.

...GALE WARNING...
.LOW 48N168E 1005 MB MOVING E 20 KT. FROM 41N TO 46N BETWEEN
166E AND 178W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM
40N TO 48N BETWEEN 160E AND 172W WINDS 20 TO 30 KT. SEAS TO 10
FT.
.24 HOUR FORECAST LOW 48N180W 995 MB. FROM 40N TO 45N BETWEEN
173E AND 170W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM
38N TO 46N W OF 170W...300 NM SW AND 360 NM NE QUADRANTS WINDS
20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 46N163W 988 MB. FRONT FROM LOW TO 43N158W
TO 35N157W. WITHIN 300 NM NE QUADRANT...AND 240 NM E OF FRONT
WINDS 25 TO 35 KT. SEAS TO 13 FT. ELSEWHERE FROM 34N TO 52N
BETWEEN 170W AND 150W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 46N172W 1007 MB. WITHIN 360 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW 45N164W 1003 MB. FROM 37N TO 44N BETWEEN
170W AND 160W WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 46N163W
DESCRIBED ABOVE.

.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 54N161W 1010 MB DRIFTING NE. WITHIN 420 NM S AND 240 NM SE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 55N157W 1007 MB. WITHIN 480 NM E AND NE
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 57N156W 1007 MB. N OF 57N BETWEEN 148W AND
143W WINDS TO 25 KT. SEAS TO 9 FT.

.FROM 48N TO 54N BETWEEN 128W AND 133W N WINDS TO 25 KT. SEAS TO
10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW LOW 54N171E 994 MB. WITHIN 300 NM W AND
SW...AND 300 NM E QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 53N176E 993 MB. FROM 40N TO 54N BETWEEN
170W AND 171E WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 52N W
OF 172W.
.24 HOUR FORECAST DENSE FOG FROM 34N TO 52N W OF 162W.
.48 HOUR FORECAST DENSE FOG FROM 33N TO 44N W OF 172E...FROM 39N
TO 49N BETWEEN 153W AND 169W...AND FROM 42N TO 48N BETWEEN 138W
AND 144W.

.HIGH 50N140W 1027 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 37N176W 1032 MB MOVING S 10 KT.
.24 HOUR FORECAST HIGH 32N176W 1025 MB.
.48 HOUR FORECAST HIGH S OF AREA.

.HIGH 54N176W 1015 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 58N138W 1025 MB.
.48 HOUR FORECAST HIGH INLAND 59N136W 1020 MB.

.48 HOUR FORECAST NEW HIGH 33N131W 1023 MB.

.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 1800 UTC FRI MAY 26.
24 HOUR FORECAST VALID 1800 UTC SAT MAY 27.
48 HOUR FORECAST VALID 1800 UTC SUN MAY 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA LOW PRES NEAR 31N114W 1005 MB. S OF LOW
TO 30N SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF LINE FROM 03S100W TO 01S116W TO 02S120W WINDS 20 KT OR
LESS. SEAS 8 FT IN SE SWELL.
.24 HOUR FORECAST S OF 01S W OF 104W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.
.48 HOUR FORECAST S OF 02S W OF 112W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.

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

CONVECTION VALID AT 2130 UTC FRI MAY 26...

.TROPICAL WAVE N OF 05N ALONG 82W...SCATTERED STRONG WITHIN 120
NM W OF WAVE OVER NORTHERN PANAMA. SCATTERED MODERATE ISOLATED
STRONG FROM 04N TO 08N BETWEEN 77W AND 81W.

.TROPICAL WAVE N OF 06N ALONG 92W...SCATTERED MODERATE ISOLATED
STRONG FROM 08N TO 13N WITHIN 180 NM E OF WAVE FROM 09N
TO 13N.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N84W TO 11N91W. IT RESUMES W
OF TROPICAL WAVE NEAR 12N94W TO 13N101W TO 12N106W TO 09N118W TO
09N130W. ITCZ AXIS EXTENDS FROM 09N130W TO BEYOND 08N140W.
SCATTERED MODERATE WITHIN 120 NM S OF AXIS BETWEEN 103W AND
107W...WITHIN 60 NM S OF AXIS BETWEEN 132W AND 135W AND ALSO
BETWEEN 138W AND 139W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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