High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 222325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED FEB 22 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC FEB 22.
24 HOUR FORECAST VALID 1800 UTC FEB 23.
48 HOUR FORECAST VALID 1800 UTC FEB 24.

.WARNINGS.

...STORM WARNING...
.LOW 54N168E 948 MB MOVING NE 10 KT. FRONT EXTENDS FROM 58N178E
TO 58N178W TO 30N178E. WITHIN 660 NM S AND 540 NM E QUADRANTS
WINDS 40 TO 55 KT. SEAS 18 TO 32 FT...HIGHEST IN S QUADRANT.
ELSEWHERE OVER FORECAST WATERS W OF FRONT WINDS 25 TO 40 KT.
SEAS 12 TO 26 FT.
.24 HOUR FORECAST LOW 57N174E 961 MB. WITHIN 420 NM SE
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 19 TO 34 FT...HIGHEST IN S
QUADRANT. ELSEWHERE WITHIN 780 NM S AND 480 NM E QUADRANTS WINDS
25 TO 40 KT. SEAS 11 TO 23 FT.
.48 HOUR FORECAST LOW NW OF AREA NEAR 63N177W 996 MB. OVER
FORECAST WATERS WITHIN 300 NM S QUADRANT WINDS 20 TO 35 KT. SEAS
IN ICE FREE WATERS 18 TO 22 FT.

...STORM WARNING...
.FRONT EXTENDS FROM 30N178E TO 52N174W TO 58N178W. EXCEPT AS
NOTED WITH LOW 54N168E ABOVE...WITHIN 240 NM E OF FRONT FROM 32N
TO 52N WINDS 40 TO 55 KT. SEAS 18 TO 27 FT. ELSEWHERE WITHIN 360
NM E OF FRONT WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST NEW LOW 52N166W 1009 MB. FRONT TO EXTEND FROM
57N167W TO THE LOW TO 39N165W TO 31N170W. WITHIN 300 NM E AND
360 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 18 FT.
ELSEWHERE WITHIN 420 NM E OF FRONT WINDS 20 TO 30 KT. SEAS 10 TO
15 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND OVER ALASKA.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA NEAR 44N153E 980 MB. WITHIN 420
NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 18 FT. ELSEWHERE
FROM 31N TO 46N BETWEEN 160E AND 166E WINDS 20 TO 30 KT. SEAS 10
TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND OVER ALASKA. FROM 54N TO
59N BETWEEN 157W AND 146W WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.

...GALE WARNING...
.LOW 39N156W 1021 MB MOVING SE 15 KT. WITHIN 180 NM SW QUADRANT
AND WITHIN 120 NM NE OF FRONT FROM 41N152W TO 38N147W TO 34N147W
WINDS 25 TO 35 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 300 NM SW
AND 540 NM NE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST LOW 33N148W 1021 MB. FRONT TO EXTEND FROM
41N153W TO 39N147W TO 34N144W. WITHIN 180 NM NE AND E OF FRONT
AND 120 NM W QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 33N143W 1011 MB. WITHIN 360 NM N
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM
30N TO 41N BETWEEN 154W AND 134W WINDS 20 TO 30 KT. SEAS 8 TO 13
FT.

...GALE WARNING...
.LOW 58N147W 1017 MB MOVING SE 15 KT. FROM 50N TO 61N BETWEEN
152W AND 142W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.
.06 HOUR FORECAST LOW 59N148W 1011 MB. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 58N W OF 171W.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF THE VOLCANO ARE URGED TO EXERCISE
CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC ASH...REPORT THE
OBSERVATION TO THE OCEAN PREDICTION CENTER BY CALLING
301-683-1520.

.LOW 50N127W 1022 MB MOVING SE 10 KT. WITHIN 420 NM W QUADRANT
WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW 34N126W 1027 MB MOVING SE 20 KT. OVER FORECAST WATERS FROM
32N TO 35N E OF 133W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 30N TO 39N E OF 125W
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 32N TO 48N BETWEEN 170W AND 161W WINDS 20
TO 30 KT. SEAS 10 TO 17 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 57N
BETWEEN 172W AND 176E.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 54N BETWEEN 168W AND
160W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 53N BETWEEN 156W AND
161W AND FROM 40N TO 51N BETWEEN 163E AND 174E.

.HIGH 45N142W 1040 MB MOVING NW 10 KT.
.24 HOUR FORECAST HIGH 47N149W 1038 MB.
.48 HOUR FORECAST HIGH 51N148W 1038 MB.

.HIGH 34N162W 1033 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 30N162W 1028 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 33N174E 1031 MB.
.48 HOUR FORECAST HIGH 46N171W 1038 MB.

.FORECASTER MUSONDA. 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 1800 UTC WED FEB 22.
24 HOUR FORECAST VALID 1800 UTC THU FEB 23.
48 HOUR FORECAST VALID 1800 UTC FRI FEB 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16.5N95W TO 13N95W...
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO
8 FT. ELSEWHERE FROM 11.5N TO 14.5N BETWEEN 94.5W AND 97W WINDS
20 KT OR LESS. SEAS TO 9 FT IN MIXED N AND NW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 24.5N BETWEEN 114W AND 120W NW TO N WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. FROM 21.5N TO 26N W OF 132W NE WINDS 20 TO 25
KT. SEAS 8 TO 11 FT. ELSEWHERE N OF LINE 25N114W TO 08N130W TO
06N140W...EXCEPT N OF 27N W OF 136W...WINDS 20 KT OR LESS. SEAS
8 TO 11 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST N OF 24.5N E OF 121W NW TO N WINDS 20 TO 25
KT. SEAS 8 TO 12 FT. FROM 22N TO 24N W OF 134W E WINDS 20 TO 25
KT. SEAS 8 TO 9 FT. ELSEWHERE N OF LINE FROM 22N111W TO
04.5N127W TO 08N140W...EXCEPT N OF 25N W OF 125W...WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST N OF 28.5N BETWEEN 134W AND 138W SE TO S WINDS
20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE NW OF LINE FROM 20N140W
TO 23N135W TO 30N134W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL. N OF 17N BETWEEN 110W AND 122W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED NW AND N SWELL.

.12 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 26N TO 29N NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST GULF OF CALIFORNIA 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 2115 UTC WED FEB 22...

.SURFACE TROUGH FROM 01N98W TO 06.5N90.5W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 120 NM NW OF TROUGH BETWEEN 90.5W AND
94W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THERE IS NO ITCZ OVER THE FORECAST WATERS NORTH OF THE EQUATOR.
NO SIGNIFICANT CONVECTION.


.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC FEB 22 2017.
24 HOUR FORECAST VALID 1800 UTC FEB 23 2017.
48 HOUR FORECAST VALID 1800 UTC FEB 24 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N178E 25N175E 21N170E MOVING E 25 KT. WINDS 20 TO 30 KT
N OF LINE 30N173W 27N180W 30N169E. SCATTERED MODERATE TSTMS
WITHIN 60 NM OF LINE 30N177W 24N176E.
.24 HOUR FORECAST FRONT 30N172W 23N178E THENCE SHEAR LINE TO
21N180W 20N160E. NE WINDS 20 TO 25 KT BOUNDED BY 28N175W 20N168E
21N162E 28N175W.
.48 HOUR FORECAST FRONT 30N164W 28N168W THENCE SHEAR LINE TO
26N180W. NE WINDS 20 TO 25 KT WITHIN 180 NM NW OF FRONT.

.FRONT 30N153W 29N161W MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N147W 28N150W 27N153W. WINDS 20 TO 25
KT WITHIN 60 NM OF FRONT E OF 149W.
.48 HOUR FORECAST FRONT 28N140W 25N143W 20N144W. WINDS 20 TO 25
KT N OF LINE 30N140W 26N146W 30N153W.

.NE TO E WINDS 20 TO 30 KT BOUNDED BY 25N140W 20N140W 05N170W
10N180W 15N178W 23N160W 25N140W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT BOUNDED BY 23N160W
18N153W 15N170W 15N180W 10N170E 23N160E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT BOUNDED BY 20N155W
15N152W 05N170E 10N160E 20N170W 20N155W.

.RIDGE 30N145W 28N156W MOVING SE 10 KT.

.RIDGE 30N166W 25N175W 20N170E MOVING SE SLOWLY AND ERODING FROM
THE W.

.RIDGE 26N170E 29N160E MOVING NE 35 KT.

.SEAS 12 TO 20 FT NW OF LINE 30N178E 21N160E...SEAS LESS THAN 8
FT N OF 22N E OF 155W...SEAS 8 TO 12 FT ELSEWHERE N OF LINE
05N140W 05N175E 25N175E 20N160E.
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF LINE 30N170W 22N180W
20N165E 30N170E...SEAS 8 TO 12 FT ELSEWHERE NW OF LINE 30N140W
00N170W 05N160E.
.48 HOUR FORECAST SEAS 8 TO 11 FT NW OF LINE 20N140W 00N180W
05N160E.

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

.SCATTERED MODERATE TSTMS FROM 08N TO 03N BETWEEN 175W AND 165E.
ISOLATED MODERATE TSTMS WITHIN 60 NM OF LINE 19N147W 16N151W
14N155W.

$$
.HONOLULU.


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