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Marine Forecast
Expires:No;;923563
FZPN02 KWBC 250525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT NOV 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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. 

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

PAN PAN 

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

SYNOPSIS VALID 0000 UTC NOV 25. 
24 HOUR FORECAST VALID 0000 UTC NOV 26. 
48 HOUR FORECAST VALID 0000 UTC NOV 27. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 40N160E 1005 MB MOVING NE 45 KT AND RAPIDLY INTENSIFYING. 
WITHIN 360 NM E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. 
.24 HOUR FORECAST LOW 52N180W 960 MB. BETWEEN 90 NM AND 240 NM S 
SEMICIRCLE WINDS 55 TO 75 KT. SEAS 24 TO 34 FT. ELSEWHERE WITHIN 
660 NM SE...360 NM SW...AND 240 NM NW QUADRANTS WINDS 40 TO 55 
KT. SEAS 14 TO 28 FT. ALSO WITHIN 780 NM NE...900 NM SE...480 NM 
SW...AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 20 FT.
.48 HOUR FORECAST LOW 57N168W 946 MB. BETWEEN 180 NM AND 300 NM 
SW SEMICIRCLE WINDS 50 TO 65 KT. SEAS 28 TO 48 FT. ELSEWHERE 
BETWEEN 120 NM AND 240 NM N...AND WITHIN 600 NM SE...960 NM 
S...AND 600 NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 46 
FT...HIGHEST S OF CENTER. ALSO WITHIN 480 NM N...1500 NM 
SE...AND 840 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 38 
FT...HIGHEST S OF CENTER.

Storm Warning - ...
.OVER FORECAST WATERS FROM 30N TO 35N BETWEEN 134W AND 148W 
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 45N131W 990 MB. FROM 37N TO 50N BETWEEN 
125W AND 130W WINDS 30 TO 45 KT. SEAS 9 TO 18 FT.
.30 HOUR FORECAST LOW 48N130W 983 MB. NE AND E OF A FRONT TO 
EXTEND FROM LOW CENTER TO 47N128W TO 42B126W WINDS 40 TO 50 KT. 
SEAS 11 TO 21 FT.
.48 HOUR FORECAST LOW INLAND 53N123W 986 MB. WITHIN 540 NM SW 
QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 17 FT.

Storm Warning - ...
.24 HOUR FORECAST NEW LOW 47N138W 996 MB. BETWEEN 300 NM AND 780 
NM SW QUADRANT WINDS 30 TO 45 KT. SEAS 17 TO 26 FT.
.48 HOUR FORECAST LOW 40N130W 1006 MB. BETWEEN 120 NM AND 240 NM 
SW QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 28 FT. ELSEWHERE 
WITHIN 420 NM S AND W QUADRANTS WINDS 25 TO 40 KT. SEAS 16 TO 24 
FT.

Storm Warning - ...
.24 HOUR FORECAST NEW LOW 45N169E 1014 MB. OVER FORECAST WATERS 
WITHIN 420 NM SW AND 480 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 
12 TO 18 FT.
.36 HOUR FORECAST LOW 47N177W 1005 MB. WITHIN 360 NM SW QUADRANT 
WINDS 40 TO 50 KT. SEAS 20 TO 26 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW  
57N168W DESCRIBED ABOVE. 

Storm Warning - ...
.48 HOUR FORECAST LOW 51N170E 993 MB. WITHIN 420 NM SE AND 180 
NM S QUADRANTS WINDS 40 TO 50 KT. SEAS 20 TO 30 FT. ELSEWHERE 
WITHIN 540 NM SE AND 480 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 
12 TO 22 FT.

Gale Warning - ...
.LOW 56N140W 978 MB MOVING NW 05 KT. OVER FORECAST WATERS WITHIN 
180 NM E SEMICIRCLE AND 1140 NM SW AND 840 NM W QUADRANTS WINDS 
30 TO 45 KT. SEAS 12 TO 27 FT.
.24 HOUR FORECAST LOW 57N143W 996 MB. WITHIN 120 NM OF CENTER 
EXCEPT 300 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 54N TO 57N BETWEEN 136W 
AND 143W WINDS 20 TO 30 KT. SEAS TO 11 FT.

Gale Warning - ...
.OVER FORECAST WATERS WITHIN AN AREA BOUNDED BY A LINE FROM 
55N170E TO 43N171W TO 60N178W AREA OF S TO SE WINDS 25 TO 40 KT. 
SEAS 10 TO 19 FT.
.24 HOUR FORECAST N OF 63N AND W OF ALASKA AREA OF S TO SE WINDS 
25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS N OF AREA.

Gale Warning - ...
.48 HOUR FORECAST LOW 43N160E 1008 MB. OVER FORECAST WATERS 
WITHIN 240 NM SE AND S OF A FRONT TO EXTEND FROM 44N167E TO LOW 
CENTER WINDS 30 TO 45 KT. SEAS 12 TO 19 FT.

.SYNOPSIS AND FORECAST. 

.WITHIN 240 NM E OF A LINE FROM 44N177E TO 34N170E AREA OF S 
WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS ABSORBED BY LOW 52N180W DESCRIBED 
IN WARNINGS SECTION ABOVE.

.LIGHT TO MODERATE FREEZING SPRAY OVER FORECAST WATERS N OF 63N 
W OF ALASKA. 
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 63N 
BETWEEN 167W AND ALASKA. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N 
BETWEEN 171W AND ALASKA. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA 
BOUNDED BY A LINE FROM 51N178E TO 44N175W TO 39N174E TO 51N178E. 
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE 
FROM 57N178W TO 49N163W TO 44N174W TO 57N178W.
.48 HOUR FORECAST CONDITIONS IMPROVING. 

.HIGH 41N126W 1020 MB MOVING E 10 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.HIGH 47N167W 1038 MB MOVING SE 25 KT. 
.24 HOUR FORECAST HIGH 36N163W 1033 MB. 
.48 HOUR FORECAST HIGH 33N153W 1030 MB. 

.48 HOUR FORECAST HIGH 40N179E 1032 MB. 

.FORECASTER BELL. 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 SAT NOV 25.
24 HOUR FORECAST VALID 0000 UTC SUN NOV 26.
48 HOUR FORECAST VALID 0000 UTC MON NOV 27.

.WARNINGS.

Gale Warning - ... 
.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.09 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.33 HOUR FORECAST N OF 15N BETWEEN 94W AND 95W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95W 
...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 
KT. SEAS TO 11 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 
15N95W TO 13.5N95.5W N TO NE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95W
...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. 
SEAS TO 14 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
15N95W TO 13.5N95.5W N TO NE WINDS 20 TO 30 KT. SEAS 11 TO 14 FT.
REMAINDER AREA WITHIN 75 NM OF LINE FROM 16N95W TO 14N95W TO 
12.5N96W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SW AND SE 
SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 28N140W TO 25N139W TO 23N140W. N OF 26N BETWEEN 
136W AND 139W S TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE 
W OF LINE FROM 30N129W TO 24N124W TO 12N132W TO 09N140W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED NW AND SE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N134W TO 25N135W TO 19N140W. 
NW OF FRONT WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
FROM 02N TO 18N W OF 122W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED N AND SE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N125W TO 25N130W THEN 
DISSIPATING COLD FRONT TO 19N140W. FROM 20N TO 25N W OF 138W NE 
WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE NW OF FRONT WINDS 
20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED NW AND SE SWELL. FROM 
12N TO 14N W OF 139W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NW 
AND SW SWELL. S OF 07N W OF 116W WINDS 20 KT OR LESS. SEAS 8 FT
IN MIXED NW AND SW SWELL.

.06 HOUR FORECAST WITHIN 15 NM OF LINE FROM 11N86W TO 
10.5N87.5W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST FROM 10N TO 11N E OF 87W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 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 0245 UTC SAT NOV 25...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF LINE FROM 
12N108W TO 15N111W TO 16N115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 09N84W TO 08N100W. THE ITCZ 
CONTINUES FROM 08N100W TO 09N110W TO 10N127W BEYOND 10N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 09N BETWEEN 79W 
AND 83W...WITHIN 120 NM S OF ITCZ BETWEEN 109W AND 135W...AND 
WITHIN 60 NM N OF ITCZ BETWEEN 110W AND 127W.

.FORECASTER MT. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC NOV 25 2017.
24 HOUR FORECAST VALID 0000 UTC NOV 26 2017.
48 HOUR FORECAST VALID 0000 UTC NOV 27 2017.

.WARNINGS. 

.NONE. 

.SYNOPSIS AND FORECAST. 

.LOW 29N143W 1007 MB MOVING NE 35 KT. FRONT FROM 24N140W TO 
18N145W MOVING E 10 KT. TROUGH FROM LOW TO 25N147W MOVING SE 10 
KT. WINDS 20 TO 30 KT N OF 26N BETWEEN 142W AND 147W. ISOLATED 
MODERATE TSTMS WITHIN 120 NM NE QUADRANT OF LOW. 
.24 HOUR FORECAST LOW MOVED FAR NE OF AREA. FRONT MOVED E OF 
AREA. TROUGH DISSIPATED. ASSOCIATED WINDS DIMINISHED TO 20 KT OR 
LESS. 

.TROUGH FROM 30N169E TO 21N166E TO 10N166E TO 01N161E MOVING W 
10 KT. WINDS 20 TO 25 KT FROM 19N TO 25N BETWEEN 172E AND 166E. 
SCATTERED MODERATE TSTMS FROM 01N TO 06N W OF 164E...FROM 17N TO 
22N BETWEEN 170E AND 173E...AND FROM 04N TO 12N BETWEEN 166E AND 
172E. ISOLATED MODERATE TSTMS FROM 15N TO 22N WITHIN 120 NM E OF 
TROUGH. 
.24 HOUR FORECAST TROUGH FROM 30N167E TO 23N162E TO 10N160E. 
ASSOCIATED WINDS DESCRIBED IN WIND SECTION BELOW. 
.48 HOUR FORECAST TROUGH DISSIPATING W OF AREA. 

.NE TO E WINDS 20 TO 30 KT FROM 12N TO 27N BETWEEN 153W AND 
172E. 
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 10N TO 26N 
ENTIRE AREA W OF 146W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT ENTIRE AREA FROM 10N 
TO 27N. 

.TROUGH FROM 18N143W TO 10N145W TO 05N151W MOVING W SLOWLY. 
ISOLATED MODERATE TSTMS FROM 10N TO 13N BETWEEN 141W AND 143W. 
.24 HOUR FORECAST TROUGH FROM 20N140W TO 13N150W TO 06N159W. 
.48 HOUR FORECAST TROUGH FROM 19N147W TO 12N154W TO 08N160W. 

.12 HOUR FORECAST NEW FRONT FROM 30N151W TO 30N157W. 
.24 HOUR FORECAST FRONT FROM 30N139W TO 26N151W TO 30N166W. N TO 
NE WINDS 20 TO 30 KT N OF FRONT. 
.48 HOUR FORECAST FRONT DISSIPATED. ASSOCIATED WINDS DESCRIBED 
IN WIND SECTION ABOVE. 

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST 
AREA. 

.SEAS 12 TO 13 FT FROM 14N TO 24N BETWEEN 150W AND 175E. SEAS 8 
TO 12 FT ELSEWHERE N OF 08N E OF 180E...AND N OF 11N E OF 169E. 
.24 HOUR FORECAST SEAS 11 TO 13 FT FROM 12N TO 23N BETWEEN 164W 
AND 170E. SEAS 8 TO 11 FT ENTIRE AREA ELSEWHERE N OF 04N W OF 
148W...AND N OF 25N E OF 148W...EXCEPT SEAS 8 FT OR LESS N OF 
26N W OF 175E. 
.48 HOUR FORECAST SEAS 11 TO 14 FT N OF 20N E OF 164W. SEAS 8 TO 
11 FT ENTIRE AREA ELSEWHERE N OF A LINE FROM 15N140W TO 12N155W 
TO 06N175W TO 06N172E TO 10N160E...EXCEPT SEAS 8 FT OR LESS N OF 
25N W OF 170W. 

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. 

.ISOLATED MODERATE TSTMS FROM 08N TO 10N BETWEEN 156W AND 162W. 

$$ 

.FORECASTER BIRCHARD. HONOLULU HI.



US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

All weather information provided by MarineWaypoints.com should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!


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