High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 240340
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED MAY 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24.
24 HOUR FORECAST VALID 0000 UTC MAY 25.
48 HOUR FORECAST VALID 0000 UTC MAY 26.

.WARNINGS.

...GALE WARNING...
.OVER FORECAST WATERS NE OF A LINE FROM 46N128W TO 37N132W AREA
OF N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 36N TO 44N BETWEEN 125W AND 133W AREA OF
N TO NE WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST FROM 36N TO 44N BETWEEN 124W AND 129W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.OVER FORECAST WATERS N OF 46N AND E OF 141W AREA OF NW WINDS 25
TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 46N TO 54N BETWEEN 125W AND 133W AREA OF
NW WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST FROM 44N TO 54N BETWEEN 127W AND 135W AREA OF
N TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.OVER FORECAST WATERS WITHIN AN AREA BOUNDED BY A LINE FROM
57N156W TO 53N168W TO 42N178W TO 53N152W TO 57N156W WINDS 25 TO
35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST FRONT TO EXTEND FROM 59N151W TO 55N153W TO
58N159W. WITHIN 180 NM E AND NE OF THE FRONT WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 61N177W 996 MB MOVING E 05 KT. WITHIN 180 NM E AND 240 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 61N171W 1001 MB. OVER FORECAST WATERS
WITHIN 540 NM SE AND 600 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 55N TO 59N BETWEEN 148W
AND 160W WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 52N165E 1015 MB. FROM 47N TO 51N BETWEEN
175E AND 162E AREA OF SW WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 54N172W 1010 MB. WITHIN 360 NM SE AND 540
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 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 47N TO 54N BETWEEN 173W AND 169E WINDS 20 TO 30 KT. SEAS
TO 11 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 61N171W IN
WARNINGS SECTION ABOVE.

.WITHIN 240 NM NW SEMICIRCLE OF 39N145W AREA OF N TO NE WINDS TO
25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST OVER FORECAST WATERS WITHIN 180 NM SE OF A
LINE FROM 46N173E TO 42N166E AND FROM 36N TO 42N W OF 166E WINDS
TO 25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 51N168W TO 43N169W TO 43N177W TO 51N168W
AND WITHIN 120 NM SE OF A LINE FROM 43N178W TO 36N169E.
.24 HOUR FORECAST DENSE FOG OVER FORECAST WATERS FROM 32N TO 51N
W OF 170E.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 50N176E TO 40N176E
TO 34N160E.

.HIGH 44N155W 1041 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 45N148W 1036 MB.
.48 HOUR FORECAST HIGH 47N144W 1029 MB.

.HIGH 43N169E 1031 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 44N178E 1039 MB.
.48 HOUR FORECAST HIGH 43N171W 1037 MB.

.24 HOUR FORECAST NEW HIGH 38N168W 1035 MB.
.48 HOUR FORECAst HIGH DISSIPATED.

.48 HOUR FORECAST NEW HIGH 53N168E 1021 MB.

.FORECASTER BELL. 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 WED MAY 24.
24 HOUR FORECAST VALID 0000 UTC THU MAY 25.
48 HOUR FORECAST VALID 0000 UTC FRI MAY 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF 01S BETWEEN 99W AND 116W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 01S W OF 115W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN MIXED SWELL.

.24 HOUR FORECAST GULF OF CALIFORNIA TROUGH FROM 31.5N113.5W TO
30.5N115W. N OF 30N S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.36 HOUR FORECAST GULF OF CALIFORNIA 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 0230 UTC WED MAY 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 10N86W TO 12N97W TO 09N110W TO
08N120W. ITCZ EXTENDS FROM 08N120W TO 06N140W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 150 NM ON EITHER SIDE OF THE
MONSOON TROUGH BETWEEN 100W AND 120W. ISOLATED MODERATE WITHIN
100 NM ON EITHER SIDE OF THE ITCZ.

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.


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