High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 272343 RRA
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED MAY 27 2020

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC MAY 27.
24 HOUR FORECAST VALID 1800 UTC MAY 28.
48 HOUR FORECAST VALID 1800 UTC MAY 29.

.WARNINGS.

...STORM WARNING...
.LOW 49N146W 981 MB MOVING NE 10 KT. WITHIN 240 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO 30 FT. ELSEWHERE WITHIN
420 NM W AND SW SEMICIRCLES AND 360 NM E AND 480 NM NE QUADRANTS
WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 51N142W 990 MB. WITHIN 480 NM SW SEMICIRCLE
AND 300 NM E AND 360 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO
20 FT.
.48 HOUR FORECAST LOW 52N141W 994 MB. WITHIN 420 NM S AND
SW...300 NM NW...360 NM NE...AND 240 NM E QUADRANTS WINDS 20 TO
30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 53N171E 991 MB MOVING N 10 KT. WITHIN 300 NM N AND 540 NM E
AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW NW OF AREA 56N170E 992 MB. BETWEEN 300 NM
AND 600 NM E AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13
FT.
.48 HOUR FORECAST LOW DISSIPATED NW OF AREA AND ASSOCIATED
CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 40N175E 999 MB MOVING NE 15 KT. WITHIN 360 NM NE AND 480 NM
E QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 45N179W 1002 MB. WITHIN 420 NM NE QUADRANT
AND 240 NM E OF A LINE FROM LOW CENTER TO 39N175W TO 33N174W
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 55N178W 997 MB. WITHIN 360 NM NE QUADRANT
AND 300 NM E AND NE OF A LINE FROM LOW CENTER TO 49N171W TO
40N165W TO 34N158W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 44N164E 991 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN
240 NM E AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 47N172E 997 MB. WITHIN 360 NM SE QUADRANTS
WINDS TO 25 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.FROM 37N TO 43N E OF 126W WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 39N TO 42N E OF 126W WINDS TO 25 KT. SEAS
TO 9 FT.
.48 HOUR FORECAST FROM 35N TO 44N BETWEEN 124W AND 131W WINDS 20
TO 30 KT. SEAS TO 12 FT.

.LOW 33N160E 1006 MB MOVING NE 20 KT. N OF 30N AND WITHIN 300 NM
SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 35N172E 1008 MB. WITHIN 300 NM S OF A FRONT
FROM LOW CENTER TO 31N160E WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 34N165E
1012 MB. WITHIN 240 NM SE OF A FRONT FROM 35N175E TO LOW CENTER
TO 31N160E WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW 44N165E 997 MB. WITHIN 480 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N
BETWEEN 176E AND 169E.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM NE OF A LINE FROM
49N170E TO 39N176W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 32N142W 1025 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH LITTLE CHANGE.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 41N162W 1030 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 41N156W 1031 MB.
.48 HOUR FORECAST HIGH 40N150W 1027 MB.

.24 HOUR FORECAST HIGH 63N164W 1028 MB.
.48 HOUR FORECAST HIGH N OF AREA.

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.

NWS 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 1800 UTC WED MAY 27.
24 HOUR FORECAST VALID 1800 UTC THU MAY 28.
48 HOUR FORECAST VALID 1800 UTC FRI MAY 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 03N103W TO 04N110W TO 09N115W TO 12N102W TO 08N95W TO
03N103W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 04N90W TO 03N95W TO 07N105W TO 10N105W
TO 10N101W TO 04N90W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO
SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 09N91W 1008 MB. WITHIN 03N83W TO
02N94W TO 08N101W TO 09N87W TO 06N80W TO 03N83W SW WINDS 20 TO
25 KT. SEAS 8 TO 10 FT IN SW SWELL.

.WITHIN 03.4S95W TO 03.4S119W TO 03N112W TO 03N104W TO 03.4S95W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 03.4S118W TO 03.4S120W TO 02S120W TO
02S118W TO 03.4S118W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 27N135W TO 27N138W TO 29N138W TO 30N136W TO 30N132W TO
27N135W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 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 2100 UTC WED MAY 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 06N77W TO 10N90W TO 1010 MB LOW
PRES NEAR 12N103W TO 08N137W. ITCZ EXTENDS FROM 08N137W TO
08N140W. NUMEROUS MODERATE ISOLATED STRONG N OF 04N E OF 87W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF MONSOON
TROUGH BETWEEN 93W AND 101W...BETWEEN 104W AND 109W...AND BETWEEN
121W AND 127W.

.FORECASTER B REINHART. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC MAY 27 2020.
24 HOUR FORECAST VALID 1800 UTC MAY 28 2020.
48 HOUR FORECAST VALID 1800 UTC MAY 29 2020.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 27N172W 1017 MB. TROUGH 28N168W THROUGH LOW TO 20N175W. LOW
AND TROUGH MOVING SW 10 KT.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 26N178W 22N176W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.FRONT NW OF AREA. SW WINDS 20 TO 25 KT NW OF LINE 30N175E
27N160E.
.12 HOUR FORECAST FRONT 30N163E 29N160E. SW WINDS 20 TO 25 KT NW
OF LINE 30N175E 28N160E.
.24 HOUR FORECAST FRONT MOVED N OF AREA. SW WINDS 20 TO 25 KT NW
OF LINE 30N175E 28N160E.
.48 HOUR FORECAST FRONT NEAR 30N160E. SW WINDS 20 TO 25 KT NW OF
LINE 30N170E 18N160E.

.TROUGH 30N156W 28N157W MOVING N 10 KT.
.24 HOUR FORECAST TROUGH MOVED N OF AREA.

.ITCZ 08N140W 09N155W 05N170W 07N175W. ISOLATED MODERATE TSTMS
WITHIN 90 NM N OF ITCZ.

.HIGH 23N175E 1018 MB. RIDGE 30N172W THROUGH HIGH TO 20N160E.
HIGH AND RIDGE NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 25N178E 1020 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.RIDGE 30N146W 28N155W NEARLY STATIONARY.
.24 HOUR FORECAST NEW HIGH 29N149W 1025 MB.
.48 HOUR FORECAST HIGH 29N151W 1025 MB.

.E WINDS 20 TO 25 KT N OF 28N BETWEEN 160W AND 170W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.24 HOUR FORECAST SEAS 8 FT NW OF LINE 30N165E 29N160E.
.48 HOUR FORECAST SEAS DIMINISHED TO LESS THAN 8 FT.

.REST OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.HONOLULU FORECASTER.



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