High Seas Forecast
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000
FZPN02 KWBC 251125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT FEB 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FEB 25.
24 HOUR FORECAST VALID 0600 UTC FEB 26.
48 HOUR FORECAST VALID 0600 UTC FEB 27.

.WARNINGS.

...STORM WARNING...
.LOW JUST NW OF FORECAST AREA 57N167E 970 MB MOVING NE 25 KT.
FRONT EXTENDS FROM 60N178E TO 56N179W TO 50N178E TO 37N169E.
OVER FORECAST WATERS WITHIN 360 NM SE QUADRANT AND FROM 51N TO
59N WITHIN 180 NM E OF FRONT WINDS 40 TO 50 KT. SEAS 23 TO 33
FT...EXCEPT E OF FRONT 15 TO 27 FT. ALSO WITHIN 720 NM E AND 540
NM S QUADRANTS AND WITHIN 300 NM E OF FRONT N OF 42N WINDS 25 TO
40 KT. SEAS IN ICE FREE WATERS 13 TO 24 FT...HIGHEST IN S
QUADRANT. ELSEWHERE N OF A LINE FROM 56N164W TO 50N170W TO
45N160E AND WITHIN 360 NM E OF FRONT WINDS 20 TO 30 KT. SEAS 9
TO 18 FT...EXCEPT E OF 166W 9 FT OR LESS.
.24 HOUR FORECAST LOW NW OF FORECAST AREA 65N179E 997 MB. FRONT
TO EXTEND FROM 59N162W TO 53N179W TO 43N175E. WITHIN 300 NM SE
QUADRANT AND WITHIN 120 NM SE OF FRONT WINDS 25 TO 35 KT. SEAS
19 TO 25 FT...EXCEPT SE OF FRONT 10 TO 17 FT. ELSEWHERE N OF A
LINE FROM 61N165W TO 53N168E AND WITHIN 300 NM SE OF FRONT WINDS
TO 25 KT. SEAS 12 TO 20 FT...EXCEPT SE OF FRONT 8 TO 14 FT.
.48 HOUR FORECAST LOW N OF AREA. N AND W OF A LINE FROM 61N165W
TO 57N173W AREA OF W TO SW WINDS TO 25 KT. SEAS 9 TO 12 FT.

...STORM WARNING...
.48 HOUR FORECAST LOW 46N160E 999 MB. OVER FORECAST WATERS
WITHIN 120 NM SE AND E SEMICIRCLES WINDS 35 TO 50 KT. SEAS 13 TO
20 FT. ELSEWHERE FROM 39N TO 51N W OF 165E WINDS 25 TO 40 KT.
SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 34N145W 1004 MB DRIFTING E 05 KT. FROM 36N TO 40N BETWEEN
140W AND 149W WINDS 35 TO 45 KT. SEAS 12 TO 22 FT. ALSO FROM 35N
TO 41N BETWEEN 139W AND 150W AND WITHIN 300 NM NW QUADRANT WINDS
25 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE OVER FORECAST WATERS W
OF A LINE FROM 30N130W TO 45N145W AND E OF 155W WINDS 20 TO 30
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 34N143W 1014 MB. WITHIN 300 NM N AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 19 FT. ELSEWHERE WITHIN
600 NM NE QUADRANT AND FROM 34N TO 44N BETWEEN 143W AND 157W
WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW 31N140W 1017 MB. WITHIN 240 NM N AND 540
MNM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 35N163W 1016 MB MOVING S 10 KT. FROM 35N TO 40N BETWEEN
160W AND 169W WINDS 25 TO 40 KT. SEAS 12 TO 17 FT. ELSEWHERE
EXCEPT AS DESCRIBED WITH LOW 34N145W...WITHIN 480 NM E AND NE
AND 600 NM NW QUADRANTS AND ALSO WITHIN 240 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 31N163W 1012 MB. BETWEEN 120 NM AND 420 NM
 N QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 19 FT. ELSEWHERE FROM
30N TO 43N BETWEEN 157W AND 171W WINDS 20 TO 30 KT. SEAS 9 TO 16
FT.
.48 HOUR FORECAST LOW 35N166W 1013 MB. BETWEEN 120 NM AND 360 NM
NE AND N QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 18 FT.
ELSEWHERE EXCEPT AS DESCRIBED WITH LOW 31N140W ABOVE...WITHIN
660 NM E AND 540 NM N AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS 9
TO 14 FT.

...GALE WARNING...
.LOW 60N144W 1022 MB MOVING SE 30 KT. FROM 57N TO 60N BETWEEN
145W AND 152W WINDS 25 TO 40 KT. SEAS TO 12 FT. ELSEWHERE WITHIN
420 NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 52N129W 1010 MB. WITHIN 360 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 360 NM
NW...660 NM W AND 360 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 9
TO 15 FT.
.48 HOUR FORECAST LOW 46N124W 1006 MB. EXCEPT WHERE NOTED WITH
SIXTH GALE WARNING BELOW...FROM 40N TO 56N E OF 140W AND WITHIN
360 NM SW OF A LINE FROM 59N150W TO 52N135W WINDS 20 TO 30 KT.
SEAS 9 TO 16 FT...HIGHEST NEAR 45N131W.

...GALE WARNING...
.LOW 43N128W 1017 MB MOVING SE 20 KT. FROM 40N TO 51N BETWEEN
128W AND 142W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 35N121W 1012 MB. WITHIN 180 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 34N118W 1012 MB. WITHIN 240 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW 33N160E 1013 MB MOVING NE 25 KT. OVER FORECAST WATERS FROM
30N TO 36N W OF 176E WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 38N170E 1017 MB. FRONT TO EXTEND FROM
43N175E TO LOW CENTER. WITHIN 360 NM NW AND 180 NM SE
SEMICIRCLES AND WITHIN 240 NM E OF FRONT WINDS 20 TO 30 KT. SEAS
8 TO 13 FT.
.48 HOUR FORECAST LOW 40N171E 1011 MB. WITHIN 240 NM NE AND E
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS N OF 55N BETWEEN 147W AND
157W AREA OF W WINDS TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST N OF 57N BETWEEN 148W AND 153W AREA OF W TO NW
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.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.

.48 HOUR FORECAST EXCEPT WHERE NOTED IN WARNINGS SECTION OVER
FORECAST WATERS W OF A LINE FROM 55N171E TO 52N173W TO 40N178E
TO 34N177E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SE OF
A LINE FROM 51N179E TO 43N173E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
51N178W TO 40N171E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
49N179W TO 42N171E.

.HIGH 33N126W 1026 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 30N124W 1025 MB.
.48 HOUR FORECAST HIGH S OF AREA.

.HIGH 50N165W 1045 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 52N156W 1045 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 47N158W BELOW.

.HIGH 50N151W 1044 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 48N155W 1045 MB.
.48 HOUR FORECAST HIGH 47N158W 1041 MB.

.HIGH 41N165E 1021 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 46N171E 1028 MB.
.48 HOUR FORECAST HIGH 54N179E 1040 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 0600 UTC SAT FEB 25.
24 HOUR FORECAST VALID 0600 UTC SUN FEB 26.
48 HOUR FORECAST VALID 0600 UTC MON FEB 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 18N TO 25N BETWEEN 110W AND 120W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED NW SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.COLD FRONT APPROACHING FROM NW. N OF 26N W OF 134W SE TO S
WINDS 20 TO 25 KT. SEAS 10 FT. ELSEWHERE N OF 19N W OF 130W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N133W TO 22N140W. W OF FRONT
WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.42 HOUR FORECAST COLD FRONT FROM 30N127W TO 24N135W THEN
STATIONARY FRONT TO 21N140W. WINDS 20 KT OR LESS. SEAS LESS THAN
8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N125W TO 24N135W. WINDS 20
KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94W AND
96W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST FROM 13N TO 15N BETWEEN 135W AND 140W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED NE WIND WAVES AND NW SWELL.
.48 HOUR FORECAST FROM 08N TO 16N BETWEEN 125W AND 135W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED NW AND NE SWELL.

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

CONVECTION VALID AT 0800 UTC SUN FEB 26...

.SCATTERED MODERATE S OF 02S BETWEEN 95W AND 110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THERE IS NO ITCZ CURRENTLY OVER THE FORECAST WATERS NORTH OF THE
EQUATOR.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC FEB 25 2017.
24 HOUR FORECAST VALID 0600 UTC FEB 26 2017.
48 HOUR FORECAST VALID 0600 UTC FEB 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 28N140W 23N146W MOVING E 10 KT.
.24 HOUR FORECAST FRONT E OF AREA.

.FRONT 30N161W 27N170W 25N173W MOVING E 10 KT N OF
27N...STATIONARY ELSEWHERE. NE WINDS 20 TO 25 KT N OF FRONT
BETWEEN 170W AND 175E.
.24 HOUR FORECAST FRONT 30N158W 24N167W 26N180W. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT 30N159W 24N165W 25N175W.

.FRONT W OF FORECAST AREA MOVING E 15 KT.
.24 HOUR FORECAST FRONT 30N162E 29N160E.
.48 HOUR FORECAST FRONT 30N165E 27N160E.

.TROUGH 26N140W 16N143W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH E OF AREA.

.HIGH 29N157W 1020 MB MOVING SE 10 KT. RIDGES FROM HIGH TO
26N147W AND FROM HIGH TO 26N169W MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 27N151W 1020 MB DISSIPATING.
.48 HOUR FORECAST HIGH DISSIPATED.

.RIDGE 30N169E 26N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 155W AND
180W...AND FROM 05N TO 15N W OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 16N W OF
170E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 16N W OF
170E.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 11 FT N OF LINE 20N140W 20N155W 10N155W 02N170W
02N160E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 20N140W
30N180W...AND FROM 04N TO 20N W OF 170W.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N145W 21N150W
21N160W 30N175W.

.SEAS 8 FT OR LOWER REMAINDER OF AREA.

.ITCZ 07N158W 06N175W 04N172E. ISOLATED MODERATE TSTMS WITHIN
120 NM OF ITCZ.

.SCATTERED MODERATE TSTMS WITHIN 60 NM OF A LINE 12N164W
10N159W. ISOLATED MODERATE TSTMS S OF 07N W OF 170E.

$$

.FORECASTER MORRISON. HONOLULU HI.


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