High Seas Forecast
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000
FZPN02 KWBC 230525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU FEB 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FEB 23.
24 HOUR FORECAST VALID 0000 UTC FEB 24.
48 HOUR FORECAST VALID 0000 UTC FEB 25.

.WARNINGS.

...STORM WARNING...
.LOW 54N169E 952 MB MOVING NE 15 KT. FRONT EXTENDS FROM 60N178W
TO 59N174W TO 50N172W TO 30N177W. OVER FORECAST WATERS BETWEEN
90 NM AND 240 NM SW QUADRANT WINDS 40 TO 55 KT. SEAS 26 TO 34
FT. ALSO FROM 44N TO 53N W OF 176E...WITHIN 180 NM N OF FRONT N
OF 59N AND WITHIN 180 NM E OF FRONT FROM 38N TO 46N WINDS 35 TO
50 KT. SEAS IN ICE FREE WATERS 14 TO 27 FT. ELSEWHERE N OF A
LINE FROM 39N160E TO 38N167E TO 50N176W AND WITHIN 300 NM NE AND
E OF FRONT WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 59N175E 975 MB. WITHIN 420
NM S AND 300 NM E QUADRANTS WINDS 30 TO 45 KT. SEAS 18 TO 27 FT.
ELSEWHERE EXCEPT WHERE NOTED WITH LOW 47N157E BELOW...WITHIN 780
NM S...600 NM SE AND 420 NM E QUADRANTS WINDS 20 TO 30 KT. SEAS
12 TO 23 FT.
.48 HOUR FORECAST LOW NW OF AREA NEAR 65N177W 1004 MB. N OF 60N
W OF ALASKA AREA OF S TO SW WINDS 20 TO 30 KT. SEAS 13 TO 16 FT.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA NEAR 47N157E 977 MB. OVER
FORECAST WATERS W OF A LINE FROM 38N160E TO 47N166E AREA OF S
WINDS 4 TO 55 KT. SEAS 18 TO 25 FT. ALSO W OF A LINE FROM
49N168E TO 45N170E TO 33N160E WINDS 25 TO 40 KT. SEAS 11 TO 18
FT. ELSEWHERE W OF A LINE FROM 50N166E TO 45N173E TO 30N161E
WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 54N168E 969 MB. FRONT TO EXTEND FROM
59N178E TO 50N176E TO 33N160E. WITHIN 240 NM S AND SE QUADRANTS
WINDS 45 TO 60 KT. SEAS 22 TO 33 FT. ALSO WITHIN 240 NM E OF
FRONT FROM 51N TO 57N WINDS 40 TO 50 KT. SEAS 15 TO 29 FT.
ELSEWHERE FROM 49N TO 59N W OF 171W AND WITHIN 300 NM E OF FRONT
FROM 36N TO 49N WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.

...GALE WARNING...
.LOW 37N155W 1020 MB MOVING SE 15 KT. WITHIN 120 NM N AND NE OF
A FRONT FROM 41N152W TO 40N149W TO 36N146W WINDS 25 TO 35 KT.
SEAS 10 TO 16 FT. ELSEWHERE BETWEEN 360 NM AND 600 NM E
QUADRANT...WITHIN 480 NM N AND 300 NM W AND SW QUADRANTS WINDS
TO 25 KT. SEAS 9 TO 20 FT...HIGHEST IN W QUADRANT.
.24 HOUR FORECAST LOW 34N148W 1016 MB. WITHIN 420 NM NE
SEMICIRCLE AND 240 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO
14 FT.
.48 HOUR FORECAST LOW 33N143W 1006 MB. WITHIN 300 NM N AND NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE OVER
FORECAST WATERS S OF A LINE FROM 43N155W TO 43N143W TO 34N132W
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 58N145W 1019 MB MOVING SE 30 KT. WITHIN 120 NM W AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 50N
BETWEEN 140W AND 150W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 47N135W 1027 MB. WITHIN 360 NM W QUADRANT
WINDS TO 25 KT. SEAS TO 11 FT.
.36 HOUR FORTECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST FRONT TO EXTEND FROM 65N170W TO 50N163W TO
30N170W. OVER FORECAST WATERS WITHIN 300 NM E OF FRONT N OF
41N...WITHIN 120 NM E OF FRONT FROM 35N TO 41N AND WITHIN 180 NM
W OF FRONT S OF 46N WINDS 20 TO 30 KT. SEAS IN ICE FREE WATERS
10 TO 21 FT...HIGHEST NEAR 53N161W.
.48 HOUR FORECAST NEW LOW 38N162W 1017 MB. WITHIN 240 NM NW AND
W QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 18 FT. ELSEWHERE FROM
30N TO 42N BETWEEN 160W AND 171W AND WITHIN 300 NM E AND 540 NM
N QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 61N W OF 174W.
.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.

.FROM 34N TO 52N E OF 137W AND FROM 30N TO 34N E OF 123W AREA OF
N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 30N TO 39N E OF 125W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 32N TO 36N BETWEEN 119W AND 122W AREA OF
NW WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST NEW LOW 46N126W 1015 MB. WITHIN 360 NM SW AND
540 NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST N OF A LINE FROM 54N156W TO 56N140W AREA OF W
TO SW WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST LOW W OF AREA 33N156E 1014 MB. OVER FORECAST
WATERS W OF A LINE FROM 36N174E TO 30N162E AREA OF S TO SW WINDS
20 TO 30 KT. SEAS 8 TO 15 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 61N
BETWEEN 170W AND 174W
.24 HOUR FORECAST DENSE FOG FROM 46N TO 59N BETWEEN 158W AND
163W AND OVER FORECAST WATERS FROM 40N TO 47N W OF 165E.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 159W AND
162W AND WITHIN 180 NM E OF A LINE FROM 57N175E TO 53N177E TO
42N170E.

.HIGH 45N142W 1040 MB MOVING NW 15 KT.
.24 HOUR FORECAST HIGH 50N150W 1037 MB.
.48 HOUR FORECAST HIGH 52N151W 1040 MB.

.HIGH 35N163W 1031 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 31N161W 1026 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N160E 1028 MB MOVING NE 35 KT.
.24 HOUR FORECAST HIGH 35N177E 1033 MB.
.48 HOUR FORECAST HIGH 48N168W 1039 MB.

.FORECASTER BANCROFT. 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 0000 UTC THU FEB 23.
24 HOUR FORECAST VALID 0000 UTC FRI FEB 24.
48 HOUR FORECAST VALID 0000 UTC SAT FEB 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N127W TO 27N140W. N OF FRONT E OF 135W WINDS
20 KT OR LESS. SEAS 8 FT IN NW SWELL. N OF 26N BETWEEN 113.5W
AND 120W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. FROM 22N TO
25N W OF 133W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE
BETWEEN COLD FRONT AND LINE FROM 26N113.5W TO 07N130W TO 05N140W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. N OF 24N E OF 121W NW TO N
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF LINE FROM
22N110W TO 16.5N115W TO 04N128W TO 09N140W...EXCEPT N OF 24N W
OF 124W...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE
SWELL.
.48 HOUR FORECAST COLD FRONT NW OF AREA. N OF 27N W OF 133W S
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NW SWELL. ELSEWHERE NW OF
LINE FROM 30N131W TO 19N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NW SWELL. FROM 17.5N TO 28N BETWEEN 111W AND 120W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN MIXED NW AND N SWELL.

.GULF OF TEHUANTEPEC N OF 15.5N N WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT. FROM 11N TO 14.5N BETWEEN 95W AND 97W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED N AND NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 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 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 0230 UTC THU FEB 23...

.SURFACE TROUGH FROM 01N98W TO 07N91W TO 05.5N85W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 120 NM NW OF TROUGH BETWEEN
90W 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 0000 UTC FEB 23 2017.
24 HOUR FORECAST VALID 0000 UTC FEB 24 2017.
48 HOUR FORECAST VALID 0000 UTC FEB 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N178W 25N176E 21N170E THENCE SHEAR LINE TO 19N160E.
FRONT MOVING E 15 KT ALONG 30N. FRONT AND SHEAR LINE NEARLY
STATIONARY WEST OF 175E. WINDS 20 TO 30 KT N OF LINE 30N174W
27N180W 30N178W. WINDS 20 TO 25 KT WITHIN 200 NM N OF SHEAR LINE
W OF 175E. ISOLATED MODERATE TSTMS WITHIN 60 NM OF LINE 30N173W
24N179E.
.24 HOUR FORECAST FRONT 30N171W 22N178E THENCE SHEAR LINE TO
20N160E. NE WINDS 20 TO 25 KT WITHIN 150 NM NW OF FRONT AND
SHEAR LINE E OF 175E.
.48 HOUR FORECAST FRONT 30N162W 26N169W THENCE SHEAR LINE TO
26N180W. NE WINDS 20 TO 25 KT WITHIN 120 NM NW OF FRONT AND
SHEAR LINE.

.FRONT 30N152W 29N155W 28N163W MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N146W 27N150W 27N153W. WINDS 20 TO 25
KT WITHIN 60 NM OF FRONT E OF 149W.
.48 HOUR FORECAST FRONT 28N140W 25N141W 20N142W. WINDS 20 TO 30
KT N OF LINE 28N140W 27N143W 30N148W.

.NE TO E WINDS 20 TO 25 KT BOUNDED BY 25N140W 21N140W 06N170W
06N180W 16N180W 25N140W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT WITHIN 150 NM OF
LINE 16N155W 08N160E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT BOUNDED BY 18N170W
14N162W 05N160E 15N160E 18N170W.

.ITCZ 07N140W 04N160W 04N170E MOVING S SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM N OF ITCZ E OF 143W AND WITHIN 90 NM OF LINE
05N175W 04N170E 08N166E.

.RIDGE 30N144W 27N153W MOVING SE 10 KT.

.RIDGE 30N167W 12N175E NEARLY STATIONRY.

.RIDGE 25N173E 30N160E MOVING NE 30 KT.

.SEAS 12 TO 18 FT NW OF LINE 30N179W 20N160E...SEAS LESS THAN 8
FT NE OF LINE 28N140W 22N155W 30N155W...SEAS 8 TO 12 FT
ELSEWHERE N OF LINE 05N140W 02N170W 06N172E 24N173E 19N160E.
.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.

.ISOLATED MODERATE TSTMS BOUNDED BY 20N143W 15N150W 16N155W
20N143W.

$$
.HONOLULU.


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