High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 220525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC TUE MAY 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 22.
24 HOUR FORECAST VALID 0000 UTC MAY 23.
48 HOUR FORECAST VALID 0000 UTC MAY 24.

.WARNINGS.

...GALE WARNING...
.LOW 50N163E 984 MB MOVING NE 15 KT. OVER FORECAST WATERS WITHIN
300 NM E AND 660 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS
10 TO 19 FT. ELSEWHERE WITHIN 240 NM NE AND E OF A FRONT
EXTENDING FROM 55N170E TO 48N179E TO 44N177E WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 53N173E 982 MB. WITHIN 600 NM S SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN 300 NM E
OF A FRONT TO EXTEND FROM 50N166W TO 40N175W AREA OF S TO SW
WINDS 20 TO 30 KT. SEAS TO 9 FT. OTHERWISE FROM 37N TO 55N
BETWEEN 176W AND 160E WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 54N176W 987 MB. FROM 43N TO 54N BETWEEN
161W AND 173E WINDS 20 TO 30 KT. SEAS 10 TO 17 FT. ELSEWHERE NW
OF A LINE FROM 61N172W TO 57N179E AREA OF NE WINDS 20 TO 30 KT.
SEAS TO 10 FT.

...GALE WARNING...
.36 HOUR FORECAST LOW 34N161E 1008 MB. WITHIN 180 NM OF LOW
CENTER WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 37N167E 1005 MB. WITHIN 150 NM NW
SEMICIRCLE AND 300 NM SE AND 360 NM SW QUADRANTS WINDS 25 TO 35
KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH FIRST CENTER 56N152W 987 MB MOVING SE 10 KT
AND SECOND CENTER 54N146W MOVING NW 05 KT. WITHIN 420 NM NE AND
540 NM SE QUADRANTS OF SECOND CENTER AND WITHIN 720 NM S AND SW
AND 420 NM W QUADRANTS OF FIRST CENTER WINDS 20 TO 30 KT. SEAS 8
TO 15 FT...HIGHEST NEAR 49N148W.
.24 HOUR FORECAST MERGED LOW 57N148W 1002 MB. FROM 37N TO 50N
BETWEEN 144W AND 153W WINDS TO 25 KT. SEAS TO 11 FT. ELSEWHERE N
OF 40N BETWEEN 132W AND 146W WINDS LESS THAN 25 KT. SEAS TO 10
FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.FROM 33N TO 43N BETWEEN 120W AND 126W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.N OF 62N BETWEEN 165W AND 170W AREA OF N WINDS TO 25 KT. SEAS
TO 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 40N132W 1009 MB. WITHIN 300 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF
45N134W AND 41N140W...AND FROM 35N TO 47N BETWEEN 178W AND 172E.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF A LINE FROM
46N132W TO 41N135W...AND WITHIN 150 NM SE OF A LINE FROM 44N171W
TO 42N175W TO 36N178E.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 43N131W AND FROM
34N TO 42N BETWEEN 172W AND 169E.

.HIGH 31N141W 1025 MB DRIFTING S.
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 38N170W 1031 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 36N164W 1032 MB.
.48 HOUR FORECAST HIGH 35N160W 1030 MB.

.24 HOUR FORECAST HIGH 38N166E 1023 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 35N160W.

.FORECASTER HUFFMAN. 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 22.
24 HOUR FORECAST VALID 0000 UTC WED MAY 23.
48 HOUR FORECAST VALID 0000 UTC THU MAY 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 18N W OF 122W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED SWELL.
.12 HOUR FORECAST LOW PRES NEAR 10N126W 1010 MB. FROM 10N TO 13N
BETWEEN 118W AND 127W AND FROM 10N TO 17N W OF 132W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 10N126W 1012 MB. FROM 11N TO 14N
BETWEEN 120W AND 126W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
NE AND SW SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.AREA S OF 23N BETWEEN 84W AND 122W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT IN MIXED SWELL...HIGHEST NEAR 06N103W.
.12 HOUR FORECAST FROM 03S TO 26N BETWEEN 89W AND 120W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST S OF 26N E OF 120W WINDS 20 KT OR LESS. SEAS
TO 9 IN MIXED SWELL.
.36 HOUR FORECAST FROM 16N TO 26N BETWEEN 107W AND 114W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 28N BETWEEN 118W AND 122W WINDS 20 KT OR LESS. SEAS TO 8
FT IN NW SWELL.
.24 HOUR FORECAST E N OF 26N BETWEEN 124W AND COAST OF BAJA
CALIFORNIA WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NW AND SW
SWELL.
.36 HOUR FORECAST N OF 26N E OF 122W WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 29N SW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.12 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 0315 UTC TUE MAY 22...

.SCATTERED MODERATE TO STRONG WITHIN 300 NM OF CENTRAL
AMERICA COAST BETWEEN 80W AND 90W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N84W TO 08N109W TO 08N130W. THE
ITCZ EXTENDS FROM 08N130W TO BEYOND 08N140W. SCATTERED MODERATE
ISOLATED STRONG CONVECTION WITHIN 195 NM ON EITHER SIDE OF
MONSOON TROUGH AND E OF 90W. SCATTERED MODERATE CONVECTION
WITHIN 75 NM ON EITHER SIDE OF AXES W OF 90.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC MAY 22 2018.
24 HOUR FORECAST VALID 0000 UTC MAY 23 2018.
48 HOUR FORECAST VALID 0000 UTC MAY 24 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N151W 25N153W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH MERGES WITH FRONT 30N147W 29N156W
28N167W. N TO NE WINDS 20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT 27N140W 25N160W. NE WINDS DIMINISHED TO
20 KT OR LESS.

.FRONT NEAR 30N160E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT MOVED N OF AREA.

.RIDGE 30N173E 28N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 15N BETWEEN 175W AND
170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 24N
BETWEEN 155W AND 175W...AND SE WINDS 20 TO 25 KT FROM 20N TO 28N
W OF 162E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 20N
BETWEEN 150W AND 160W...AND S TO SE WINDS 20 TO 25 KT N OF 28N W
OF 165E.

.SEAS 8 TO 9 FT FROM 10N TO 20N E OF 150W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 17N BETWEEN 165W
AND 175W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 15N BETWEEN 155W
AND 165W.

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

.ITCZ 08N140W 09N148W 04N164W 06N180W 05N160E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 270 NM OF ITCZ W OF 170E.
ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 270 NM OF ITCZ.

$$

.FORECASTER ALMANZA. HONOLULU HI.



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