High Seas Forecast
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000
FZPN02 KWBC 251725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC FRI MAY 25 2018

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION
IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE).

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1200 UTC MAY 25.
24 HOUR FORECAST VALID 1200 UTC MAY 26.
48 HOUR FORECAST VALID 1200 UTC MAY 27.

.WARNINGS.

...GALE WARNING...
.LOW 49N160W 1006 MB MOVING NE 30 KT. WITHIN 480 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 54N144W 992 MB. FRONT EXTENDS FROM LOW TO
52N137W TO 46N150W TO 41N160W TO 37N170W. WITHIN 300 NM NE AND
360 NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
ELSEWHERE WITHIN 240 NM N...360 NM NE...480 NM SE AND S
QUADRANTS...AND 300 NM SE OF FRONT WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
.48 HOUR FORECAST LOW 56N140W 993 MB. WITHIN 180 NM N AND
NE...AND 240 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
ELSEWHERE FROM 52N TO 59N BETWEEN 133W AND 147W...AND 180 NM SE
OF FRONT FROM 49N136W TO 47N140W TO 41N148W WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.

...GALE WARNING...
.LOW 44N160E 1001 MB MOVING NE 20 KT. FROM 39N TO 48N W OF 168E
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS ABSORBED BY LOW
W OF AREA 50N154E DESCRIBED BELOW.

...GALE WARNING...
.48 HOUR FORECAST LOW 45N168E 1004 MB. FRONT FROM LOW TO 40N164E
TO 38N160E. WITHIN 240 NM E AND SE QUADRANTS WINDS 25 TO 35 KT.
SEAS TO 10 FT. ELSEWHERE WITHIN 360 NM S AND SE QUADRANTS...AND
300 NM SE OF FRONT WINDS 20 TO 30 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 39N180W 1014 MB MOVING E 15 KT. WITHIN 420 NM SE SEMICIRCLE
AND 180 NM NW QUADRANT WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.LOW 53N167W 1001 MB MOVING SE 15 KT. WITHIN 300 NM W AND 360 NM
SW QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 58N148W 1002 MB MOVING W 10 KT. FRONT EXTENDS FROM LOW TO
59N143W TO 51N132W TO 49N133W. WITHIN 180 NM N AND NE OF FRONT
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.24 HOUR FORECAST LOW W OF AREA 50N154E 1003 MB. WITHIN 480 NM E
AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW W OF AREA 54N163E 1000 MB. WITHIN 420 NM E
QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 31N TO 43N BETWEEN 128W AND 120W NW WINDS
20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM SE OF
A LINE FROM 47N152W TO 47N160W TO 38N180W.
.24 HOUR FORECAST DENSE FOG FROM 33N TO 38N W OF 165E AND FROM
42N TO 47N W OF 162E.
.48 HOUR FORECAST DENSE FOG FROM 33N TO 50N BETWEEN 178E AND
160E AND FROM 38N TO 44N BETWEEN 141W AND 149W.

.HIGH 35N151W 1032 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 35N144W 1030 MB.
.48 HOUR FORECAST HIGH 36N137W 1029 MB.

.HIGH 46N173E 1021 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 45N178W 1027 MB.
.48 HOUR FORECAST HIGH 44N169W 1033 MB.

.HIGH 53N169E 1021 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.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 1200 UTC FRI MAY 25.
24 HOUR FORECAST VALID 1200 UTC SAT MAY 26.
48 HOUR FORECAST VALID 1200 UTC SUN MAY 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING STATIONARY FRONT FROM 30N129W TO 28N128.5W TO
21.5N140W. W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT.

.GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 95.5W N WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 12.5N TO 15N BETWEEN 125W AND 132W NE TO E WINDS 20 TO 25
KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 11N TO 14.5N BETWEEN 122W AND
135W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 10N TO 16N BETWEEN 126W AND 139W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 11N TO 16N BETWEEN 130W AND 140W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.12 HOUR FORECAST N OF 22.5N WITHIN 120 NM W OF BAJA PENINSULA
NW WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE N OF 22N E OF 116W
TO BAJA CALIFORNIA COAST WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW
SWELL.
.24 HOUR FORECAST N OF 24N WITHIN 120 NM W OF
BAJA PENINSULA NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 180 NM SW OF BAJA PENINSULA NW WINDS 20
TO 25 KT. SEAS TO 9 FT.

.12 HOUR FORECAST GULF OF CALIFORNIA WITHIN 60 NM OF COAST OF
MAINLAND MEXICO FROM 24N TO 28N NW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST GULF OF CALIFORNIA WITHIN 60 NM OF COAST OF
MAINLAND MEXICO FROM 24N TO 28N NW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.42 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 1500 UTC FRI MAY 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N76W TO 11.5N92W TO 08N116W. ITCZ FROM
08N116W TO 12.5N131W TO BEYOND 08N140W. TROUGH FROM 15N130W TO
09N132W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 10N
BETWEEN 118W AND 122W...AND FROM 11N TO 14N BETWEEN 123W AND
131W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC MAY 25 2018.
24 HOUR FORECAST VALID 1200 UTC MAY 26 2018.
48 HOUR FORECAST VALID 1200 UTC MAY 27 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N161E TO 27N160E MOVING WNW SLOWLY.
.24 HOUR FORECAST TROUGH NEAR 30N160E.
.48 HOUR FORECAST TROUGH MOVED NW OF FORECAST AREA.

.RIDGE FROM 30N177W TO 27N163E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 145W AND
175E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 11N TO 22N
BETWEEN 154W AND 158W...AND FROM 10N TO 18N BETWEEN 158W AND
165E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 09N TO 18N W OF
172W.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 164W AND 173W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 167W
AND 177E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 09N TO 18N BETWEEN 168E
AND 172W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 08N TO 11N BETWEEN 163E AND 172E.

.ITCZ FROM 09N140W TO 08N156W TO 09N163W TO 08N170W...AND FROM
05N179E TO 04N173E TO 05N160E. ISOLATED MODERATE TSTMS WITHIN
150 NM OF ITCZ BETWEEN 149W AND 160W...AND WITHIN 120 NM OF ITCZ
W OF 176E.

$$

.FORECASTER KINEL. HONOLULU HI.


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