High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 170525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN JAN 17 2021

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 17.
24 HOUR FORECAST VALID 0000 UTC JAN 18.
48 HOUR FORECAST VALID 0000 UTC JAN 19.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 39N166W 998 MB MOVING NE 30 KT. WITHIN 480 NM SE...960 NM
SW...AND 600 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 28
FT.
.24 HOUR FORECAST LOW 47N157W 985 MB. WITHIN 120 NMW SEMICIRCLE
AND 300 NM E AND 480 NM SE QUADRANTS WINDS 45 TO 60 KT. SEAS 20
TO 28 FT. ELSEWHERE WITHIN 480 NM NE...660 NM SE...1020 NM
S...1260 NM SW...AND 660 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS
12 TO 24 FT.
.42 HOUR FORECAST LOW 57N152W 964 MB. BETWEEN 60 NM AND 180 NM SE
QUADRANT AND WITHIN 90 NM NE OF A LINE FROM 60N148W TO 56N139W
WINDS 50 TO 65 KT. SEAS 18 TO 38 FT.
.48 HOUR FORECAST LOW 59N152W 971 MB. FRONT TO EXTEND FROM
59N140W TO 55N138W TO 45N142W TO 30N152W. WITHIN 360 NM SE AND S
QUADRANTS WINDS 40 TO 55 KT. SEAS 26 TO 39 FT. ALSO WITHIN 1020
NM SE AND 660 NM SW QUADRANTS AND ELSEWHERE WITHIN 120 NM SE OF
THE FRONT WINDS 25 TO 40 KT. SEAS 10 TO 26 FT...HIGHEST SE
QUADRANT.

...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST NEW LOW 37N164E 1001 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 18 FT. ELSEWHERE WITHIN
480 NM E...600 NM SE...420 NM S...AND 180 NM W QUADRANTS WINDS 25
TO 40 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 43N174W 986 MB. WITHIN 240 NM SE QUADRANT
WINDS 50 TO 65 KT. SEAS 24 TO 34 FT. ELSEWHERE WITHIN 600 NM
NE...360 NM SE...AND 600 NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS
16 TO 28 FT. ALSO WITHIN 720 NM NE...540 NM SE...1020 NM SW...AND
360 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 22 FT.

...STORM WARNING...
.LOW W OF AREA NEAR 48N155E 987 MB MOVING NE 15 KT. N OF 37N AND
W OF 163E WINDS 40 TO 50 KT. SEAS 12 TO 17 FT. ELSEWHERE WITHIN
540 NM E AND 960 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 14
FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 53N162E 972 MB. FRONT TO
EXTEND FROM 55N171E TO 48N180W TO 43N178E TO 40N174E. WITHIN 300
NM SE AND S QUADRANTS AND 60 NM NE AND E OF THE FRONT N OF 47N
WINDS 40 TO 50 KT. SEAS 14 TO 29 FT. ALSO WITHIN 720 NM E AND SE
AND 540 NM S QUADRANTS...AND ELSEWHERE WITHIN 240 NM E AND SE OF
THE FRONT WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW NW OF AREA NEAR 54N166E 976 MB. FRONT TO
EXTEND FROM 58N177E TO 57N177W TO 51N169W. WITHIN 540 NM SE AND
420 NM SW QUADRANTS AND 90 NM NE OF THE FRONT WINDS 30 TO 45 KT.
SEAS 12 TO 28 FT.

...GALE WARNING...
.LOW 55N158W 974 MB MOVING NW 05 KT. BETWEEN 300 NM AND 960 NM SE
AND WITHIN 720 NM SW AND 660 NM NW QUADRANTS...AND NE OF A FRONT
FROM 59N148W TO 58N138W TO 54N133W TO 50N130W WINDS 30 TO 45 KT.
SEAS 15 TO 30 FT...HIGHEST NEAR 46N147W.
.24 HOUR FORECAST LOW 58N159W 992 MB. WITHIN 540 NM E AND 480 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 46N159W 998 MB MOVING E 20 KT. WITHIN 480 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS 15 TO 26 FT WITH MIXED SWELL.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
47N157W DESCRIBED ABOVE.

...GALE WARNING...
.FROM 30N TO 40N BETWEEN 120W AND 127W AREA OF NW TO N WINDS TO
25 KT. SEAS 10 TO 14 FT.
.24 HOUR FORECAST FROM 33N TO 43N BETWEEN 124W AND 128W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.
.48 HOUR FORECAST FROM 30N TO 43N BETWEEN 122W AND 130W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS 12 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW W OF AREA NEAR 40N157E 992 MB. WITHIN 480
NM E AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 14
FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A LINE FROM 62N175W
TO 58N169W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A
LINE FROM 61N177W TO 59N170W AND N OF 58N BETWEEN 163W AND 168W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A
LINE FROM 62N176W TO 60N171W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NE OF
A LINE FROM 43N128W TO 33N123W AND 480 NM SW OF A LINE FROM
41N131W TO 33N124W AND FROM 53N TO 55N BETWEEN 151W AND 155W.
.24 HOUR FORECAST DENSE FOG FROM 30N TO 37N E OF 130W AND FROM
34N TO 38N BETWEEN 133W AND 143W.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM
50N127W TO 43N135W TO 45N126W TO 50N127W.

.HIGH 36N132W 1028 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 38N141W 1027 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 47N132W 1035 MB.
.48 HOUR FORECAST HIGH 47N129W 1034 MB.

.HIGH 45N175E 1027 MB MOVING SE 30 KT.
.24 HOUR FORECAST HIGH 35N175W 1031 MB.
.48 HOUR FORECAST HIGH 37N161W 1032 MB.

.HIGH 35N171E 1028 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST NEW HIGH 41N171E 1014 MB.

.FORECASTER BELL. 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 0000 UTC SUN JAN 17.
24 HOUR FORECAST VALID 0000 UTC MON JAN 18.
48 HOUR FORECAST VALID 0000 UTC TUE JAN 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 15N95W TO 16N96W TO 16N95W TO 15N95W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS 8 TO 13 FT.
ELSEWHERE WITHIN 14N94W TO 13N95W TO 14N96W TO 16N95W TO 15N94W
TO 14N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA WITHIN 10N95W TO 10N98W TO 12N99W TO 13N98W TO 13N94W TO
10N95W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.
.12 HOUR FORECAST WITHIN 15N94.5W TO 14.5N95W TO 15N95.5W TO
16N95.5W TO 16N94.5W TO 15N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 16N95W TO 15N94W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35
KT. SEAS 8 FT.
.36 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 16N95W TO 15N94W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35
KT. SEAS 8 TO 11 FT.
.42 HOUR FORECAST WITHIN 14N94W TO 13N96W TO 13N97W TO 16N95W TO
14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN 14N94W TO 13N96W TO 13N97W TO 16N95W TO
14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 14N128W TO 06N132W TO 02N140W TO 30N140W TO 30N117W TO
14N128W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 11N117W TO 02N140W TO 30N140W TO
30N116W TO 23N111W TO 11N117W WINDS 20 KT OR LESS. SEAS 8 TO 16
FT IN NW SWELL...HIGHEST NEAR 30N130W.
.48 HOUR FORECAST WITHIN 07N121W TO 00N140W TO 30N140W TO
22N113W TO 07N121W NE WINDS 20 TO 25 KT. SEAS 8 TO 14 FT WITH NW
SWELL. ELSEWHERE WITHIN 28N122W TO 29N125W TO 30N128W TO 30N121W
TO 28N122W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN W TO NW SWELL.

.12 HOUR FORECAST WITHIN 10N87W TO 10N89W TO 11N91W TO 12N89W TO
11N86W TO 10N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 09N91W TO 09N95W TO 10N94W TO 11N92W TO
10N91W TO 09N91W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N
SWELL.
.48 HOUR FORECAST WITHIN 10N87W TO 10N89W TO 11N89W TO 12N86W TO
11N86W TO 10N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0300 UTC SUN JAN 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 06N77W TO 08N121W. ITCZ
FROM 08N121W TO 07N130W TO 07N140W. SCATTERED MODERATE TO
ISOLATED STRONG FROM 07N TO 13N BETWEEN 112W TO 120W. SCATTERED
MODERATE FROM 07N TO 11N BETWEEN 124W TO 130W.



.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC JAN 17 2021.
24 HOUR FORECAST VALID 0000 UTC JAN 18 2021.
48 HOUR FORECAST VALID 0000 UTC JAN 19 2021.

.WARNINGS.

...GALE WARNING...
.FRONT 27N172W 24N180E 26N160E NEARLY STATIONARY. SECOND FRONT
JUST N OF AREA MOVING SE 30 KT AND MERGING WITH FIRST FRONT. NE
WINDS 25 TO 35 KT N OF FRONT.
.24 HOUR FORECAST MERGED FRONT 30N154W 22N160W 17N170W 17N176W.
NWINDS 30 TO 35 KT WITHIN 120 NM N OF FRONT BETWEEN 175E AND
159W... WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N147W 14N170W
13N180W 20N170E 26N160E.
.48 HOUR FORECAST FRONT 30N148W 20N155W 15N160W. WINDS 20 TO 35
KT BOUNDED BY 30N167W 30N148W 02N180W 04N160E 16N160E 30N167W.

.SYNOPSIS AND FORECAST.

.TROUGH 30N148W 27N157W 22N164W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED. SEE WINDS WITH GALE WARNING
ABOVE.
.48 HOUR FORECAST NEW FRONT 30N164E 30N160E. SE TO S WINDS 20 TO
30 KT N OF LINE 30N173W 25N178E 26N166E 30N167E.

.ITCZ 06N140W 07N145W 04N162W 06N170E 05N160E. SCATTERED
MODERATE TSTMS WITHIN 150 NM N OF ITCZ E OF 140W. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ W OF 170E.

.HIGH 23N167E 1017 MB NEARLY STATIONARY. RIDGE 20N178E THROUGH
HIGH TO 24N160E.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE 30N160W 23N167W 22N174W MOVING SE 15 KT.

.RIDGE 30N143W 23N152W MOVING NE 10 KT AND ERODING FROM THE W.

.NE WINDS 20 TO 25 KT S OF 15N W OF 170E. E WINDS 20 TO 25 KT S
OF 10N BETWEEN 170E AND 160W... AND FROM 08N TO 15N BETWEEN 150W
AND 140W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 05N TO 20N W OF
170W. E WINDS 20 TO 25 KT S OF 05N W OF 170E.
.48 HOUR FORECAST SEE WINDS WITH GALE WARNING. E WINDS 20 TO 25
KT S OF 04S W OF 170W.

.SEAS 20 TO 25 FT N OF LINE 30N147W 20N158W 20N165W
30N163W...SEAS 12 TO 20 FT ELSEWHERE N OF LINE 30N145W 12N165W
13N180W 30N175W...SEAS LESS THAN 8 FT S OF 08N W OF 170E AND
FROM 26N TO 17N W OF 170E...SEAS 8 TO 13 FT ELSEWHERE.
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF LINE 30N163W 23N168W
23N176W 30N178W...SEAS 12 TO 18 FT ELSEWHERE N OF LINE 15N140W
05N150W 08N167W 23N154W 17N173W 18N166E. SEAS 8 TO 12 FT
ELSEWHERE.
.48 HOUR FORECAST SEAS 12 TO 21 FT N OF LINE 30N150W 20N156W
06N175E 17N177E 30N171E...SEAS 8 TO 12 FT ELSEWHERE.

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

$$

.FORECASTER SHIGESATO. HONOLULU HI.


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