High Seas Forecast
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000
FZPN02 KWBC 221149
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 22.
24 HOUR FORECAST VALID 0600 UTC MAY 23.
48 HOUR FORECAST VALID 0600 UTC MAY 24.

.WARNINGS.

...GALE WARNING...
.LOW 51N165E 983 MB MOVING NE 20 KT. OVER FORECAST WATERS FROM
40N TO 51N W OF 176E WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
ELSEWHERE WITHIN 180 NM NE AND E OF A FRONT EXTENDING FROM
56N173E TO 53N180W TO 49N177W TO 42N179E WINDS 20 TO 30 KT. SEAS
TO 10 FT. ALSO FROM 36N TO 40N W OF 170E WINDS TO 25 KT. SEAS 8
TO 14 FT.
.24 HOUR FORECAST LOW 53N176E 984 MB. WITHIN 600 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 10 TO 21 FT. ELSEWHERE FROM 41N TO 46N
BETWEEN 157W AND 167W WINDS 20 TO 30 KT. SEAS TO 10 FT. ALSO
FROM 38N TO 46N BETWEEN 177W AND 161E WINDS TO 25 KT. SEAS TO 12
FT.
.48 HOUR FORECAST LOW 54N175W 988 MB. WITHIN 660 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN 300 NM OF
LOW CENTER WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.30 HOUR FORECAST LOW 34N160E 1008 MB. OVER FORECAST WATERS FROM
30N TO 36N W OF 165E WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 38N167E 1002 MB. WITHIN 180 NM NW AND 480
NM SE SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH FIRST CENTER 56N146W 991 MB MOVING NW 05 KT
AND SECOND CENTER 55N152W MOVING SE 15 KT. WITHIN 720 NM SW AND
480 NM W QUADRANTS OF SECOND CENTER WINDS 20 TO 30 KT. SEAS 9 TO
14 FT. ALSO WITHIN 90 NM E OF A FRONT EXTENDING FROM 56N134W TO
52N132W WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. ELSEWHERE N OF
35N BETWEEN 134W AND 164W WINDS TO 25 KT. SEAS 8 TO 14 FT...
HIGHEST NEAR 48N146W.
.24 HOUR FORECAST MERGED LOW 56N149W 1004 MB. FROM 36N TO 52N
BETWEEN 135W AND 156W WINDS LESS THAN 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.FROM 33N TO 43N BETWEEN 122W AND 127W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.OVER ICE FREE FORECAST WATERS N OF 63N BETWEEN 165W AND 169W
AREA OF NW TO N WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 39N132W 1009 MB. WITHIN 300 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 35N TO 49N
BETWEEN 175W AND 174E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
48N161W TO 44N171W TO 36N179E.
.48 HOUR FORECAST DENSE FOG FROM 35N TO 41N BETWEEN 172W AND
167E.

.HIGH 31N141W 1024 MB DRIFTING SE.
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 37N168W 1031 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 36N163W 1032 MB.
.48 HOUR FORECAST HIGH 35N158W 1030 MB.

.24 HOUR FORECAST HIGH 38N170E 1023 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 35N158W.

.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 0600 UTC TUE MAY 22.
24 HOUR FORECAST VALID 0600 UTC WED MAY 23.
48 HOUR FORECAST VALID 0600 UTC THU MAY 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 18N W OF 130W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.AREA S OF 17N BETWEEN 81W AND 127W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL...HIGHEST NEAR 10N101W.
.06 HOUR FORECAST LOW PRES NEAR 10N126W 1010 MB. FROM 10N TO 14N
BETWEEN 118W AND 127W AND S OF 17N BETWEEN 89W AND 119W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL...HIGHEST E OF 105W.
.24 HOUR FORECAST FROM 02N TO 18N E OF 114W WINDS 20 KT OR LESS.
SEAS TO 9 IN MIXED SWELL.
.30 HOUR FORECAST FROM 16N TO 19N BETWEEN 107W AND 114W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 17N E OF 126W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED
SWELL.
.06 HOUR FORECAST FROM 17N TO 26N BETWEEN 106W AND COAST OF BAJA
CALIFORNIA WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST N OF 19N BETWEEN 120W AND COAST OF BAJA
CALIFORNIA WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.30 HOUR FORECAST FROM 19N TO 26N BETWEEN 115W AND COAST OF BAJA
CALIFORNIA WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.42 HOUR FORECAST 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.
.06 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 0915 UTC TUE MAY 22...

.SCATTERED MODERATE TO ISOLATED STRONG WITHIN 300 NM OF CENTRAL
AMERICA COAST BETWEEN 80W AND 91W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N84W TO 09N106W TO 08N129W. THE
ITCZ EXTENDS FROM 08N129W TO BEYOND 08N140W. SCATTERED MODERATE
ISOLATED STRONG CONVECTION IS WITHIN 195 NM ON EITHER SIDE OF
MONSOON TROUGH AND E OF 91W. SCATTERED MODERATE CONVECTION
WITHIN 75 NM ON EITHER SIDE OF AXES W OF 91.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC MAY 22 2018.
24 HOUR FORECAST VALID 0600 UTC MAY 23 2018.
48 HOUR FORECAST VALID 0600 UTC MAY 24 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N151W TO 28N152W TO 25N153W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH MERGES WITH NEW FRONT FROM 30N143W TO
27N160W. N TO NE WINDS 20 TO 25 KT WITHIN 90 NM N OF FRONT W OF
152W.
.48 HOUR FORECAST WEAKENING FRONT FROM 26N140W TO 25N150W. NE
WINDS 20 TO 25 KT WITHIN 60 NM N OF FRONT W OF 145W.

.NE TO E WINDS 20 TO 25 KT FROM 13N TO 19N BETWEEN 145W AND
158W...AND FROM 11N TO 23N BETWEEN 158W AND 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 11N TO 23N
BETWEEN 153W AND 178W. S WINDS 20 TO 25 KT N OF LINE FROM
25N160E TO 30N162E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 11N TO 27N
BETWEEN 150W AND 160W...FROM 10N TO 17N BETWEEN 160W AND
170W...AND FROM 20N TO 27N BETWEEN 160W TO 165W. S TO SW WINDS
20 TO 25 KT N OF LINE FROM 28N161E TO 30N166E.

.SEAS 8 TO 9 FT FROM 12N TO 16N BETWEEN 163W AND 170W...AND FROM
08N TO 11N BETWEEN 170W AND 176W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 11N TO 15N BETWEEN 153W
AND 167W...FROM 20N TO 23N BETWEEN 167W AND 173W...AND FROM 10N
TO 17N BETWEEN 168W AND 177W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 09N TO 15N BETWEEN 158W
AND 163W.

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

.ITCZ FROM 08N140W TO 05N157W TO 06N170W TO 08N175E TO 07N160E.
SCATTERED MODERATE TO STRONG TSTMS FROM 03N TO 08N BETWEEN 162E
AND 172E. ISOLATED MODERATE TSTMS ELSEWHERE S OF 09N W OF
180E...FROM 02N TO 09N BETWEEN 165W AND 180W...AND FROM 02N TO
12N E OF 165W.

.ISOLATED MODERATE TSTMS FROM 21N TO 25N BETWEEN 168W AND 171W.

$$

.HONOLULU FORECAST OFFICE.



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