High Seas Forecast
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000
FZPN02 KWBC 231125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED MAY 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23.
24 HOUR FORECAST VALID 0600 UTC MAY 24.
48 HOUR FORECAST VALID 0600 UTC MAY 25.

.WARNINGS.

...GALE WARNING...
.LOW 53N176E 984 MB MOVING NE 15 KT. OVER FORECAST WATERS WITHIN
600 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 11 TO 22 FT.
ELSEWHERE FROM 41N TO 46N BETWEEN 157W AND 166W AREA OF SW TO W
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 55N175W 990 MB. WITHIN 660 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 53N169W 1001 MB. FROM 45N TO 54N BETWEEN
152W AND 174W WINDS LESS THAN 25 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW W OF AREA 32N157E 1010 MB MOVING NE 30 KT. OVER FORECAST
WATERS WITHIN 300 NM E QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.06 HOUR FORECAST LOW 34N162E 1007 MB. WITHIN 180 NM NW AND 300
NM SE SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 38N170E 1005 MB. WITHIN 180 NM NW
SEMICIRCLE AND WITHIN 360 NM E AND 480 NM S QUADRANTS WINDS 25
TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 45N164W
1007 MB. WITHIN 360 NM E AND SE OF A FRONT TO EXTEND FROM
46N163W TO THE NEW LOW TO 36N174E WINDS 25 TO 35 KT. SEAS 8 TO
13 FT.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 56N148W 1004 MB DRIFTING W. FROM
38N TO 51N BETWEEN 142W AND 154W WINDS LESS THAN 25 KT. SEAS TO
10 FT IN W TO NW SWELL.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW LOW 41N131W 1014 MB. WITHIN 240 NM W OF A
FRONT TO EXTEND FROM 45N130W TO THE LOW CENTER TO 33N131W AREA
OF N WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 34N127W 1014 MB.
WITHIN 360 NM W QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST NEW LOW 57N149W 1001 MB. FRONT TO EXTEND FROM
LOW CENTER TO 57N142W TO 53N136W. OVER FORECAST WATERS WITHIN
240 NM N QUADRANT AND WITHIN 120 NM NE AND E OF THE FRONT WINDS
20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SE OF
A LINE FROM 48N161W TO 38N180W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 43N155W AND FROM
36N TO 41N BETWEEN 171W AND 170E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 43N156W...WITHIN
180 NM SE OF A LINE FROM 47N161W TO 37N178E...AND FROM 43N TO
46N BETWEEN 160E AND 162E.

.HIGH 36N163W 1031 MB MOVING SE 05 KT.
.24 HOUR FORECAST HIGH 35N160W 1030 MB.
.48 HOUR FORECAST HIGH 35N152W 1031 MB.

.24 HOUR FORECAST NEW HIGH 45N166E 1014 MB.
.48 HOUR FORECAST HIGH 45N172E 1021 MB.

.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 WED MAY 23.
24 HOUR FORECAST VALID 0600 UTC THU MAY 24.
48 HOUR FORECAST VALID 0600 UTC FRI MAY 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.18 HOUR FORECAST COLD FRONT FROM 30N135W TO 28N140W. W OF FRONT
WINDS 20 KT OR LESS. SEAS TO 8 FT IN N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N132W TO 28N135W THEN
WEAKENING COLD FRONT TO 26N140W. W OF FRONT WINDS 20 KT OR LESS.
SEAS TO 8 FT IN N SWELL.
.36 HOUR FORECAST WEAKENING COLD FRONT FROM 30N130W TO 26N135W.
N OF FRONT 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 0830 UTC WED MAY 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 12N88W TO 08N105W TO 09N138W. ITCZ
FROM 09N138W TO BEYOND 08N140W. SCATTERED MODERATE WITHIN 300 NM
ON EITHER SIDE OF THE MONSOON TROUGH.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC MAY 23 2018.
24 HOUR FORECAST VALID 0600 UTC MAY 24 2018.
48 HOUR FORECAST VALID 0600 UTC MAY 25 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N146W TO 27N156W TO 27N168W MOVING ESE 10 KT. NE
TO E WINDS 20 TO 25 KT FROM 11N TO 23N BETWEEN 153W AND 176W.
.24 HOUR FORECAST WEAKENING FRONT FROM 26N140W TO 25N167W. NE TO
E WINDS 20 TO 25 KT WITHIN 60 NM N OF FRONT...AND FROM 10N TO
23N BETWEEN 145W AND 173W.
.48 HOUR FORECAST FRONT DISSIPATED. NE TO E WINDS 20 TO 25 KT
FROM 12N TO 28N E OF 155W...FROM 10N TO 25N BETWEEN 155W AND
169W...AND FROM 10N TO 17N BETWEEN 169W AND 180W.

.S WINDS 20 TO 25 KT N AND W OF LINE FROM 25N160E TO 30N163E.
.24 HOUR FORECAST SW TO S WINDS 20 TO 25 KT N OF 29N BETWEEN
161E AND 170E.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 152W AND 178W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 155W
AND 173W.
.48 HOUR FORECAST SEAS 8 TO 10 FT IN AREA ENCLOSED BY 19N156W
10N155W 08N167W 13N173W 19N156W.

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

.ITCZ FROM 08N140W TO 08N147W TO 09N155W TO 03N175W...AND FROM
03N165E TO 03N160E. ISOLATED MODERATE TO STRONG TSTMS FROM 05N
TO 12N E OF 153W...AND FROM 02N TO 12N W OF 153W.

.ISOLATED MODERATE TSTMS N OF 20N W OF 162E...AND FROM 17N TO
24N BETWEEN 171W AND 176W.

$$

.HONOLULU FORECAST OFFICE.


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