High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 170935
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED JAN 17 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 17.
24 HOUR FORECAST VALID 0600 UTC JAN 18.
48 HOUR FORECAST VALID 0600 UTC JAN 19.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 43N144W 967 MB MOVING NE 20 KT. BETWEEN 180 NM AND 360 NM S
AND 180 NM AND 300 NM SW QUADRANTS WINDS 55 TO 75 KT. SEAS 24 TO
45 FT. ELSEWHERE WITHIN 480 NM S SEMICIRCLE AND 120 NM NW
QUADRANT WINDS 40 TO 55 KT. SEAS 17 TO 34 FT. ALSO OVER FORECAST
WATERS WITHIN 780 NM NE...720 NM SE...900 NM SW...AND 1080 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 27 FT.
.24 HOUR FORECAST LOW 50N136W 966 MB. BETWEEN 180 NM AND 360 NM
S SEMICIRCLE WINDS 50 TO 65 KT. SEAS 28 TO 48 FT. ELSEWHERE
BETWEEN 120 NM AND 480 NM S SEMICIRCLE WINDS 40 TO 50 KT. SEAS
20 TO 34 FT. ALSO WITHIN 360 NM NE...660 NM SE...1140 NM
SW...AND 960 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 27
FT.
.48 HOUR FORECAST LOW 51N133W 981 MB. BETWEEN 120 NM AND 360 NM
SW QUADRANT WINDS 40 TO 50 KT. SEAS 24 TO 32 FT. ELSEWHERE
WITHIN 180 NM NE...480 NM SE...1020 NM SW...AND 420 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 28 FT.

...STORM WARNING...
.LOW 52N169E 981 MB MOVING NE 05 KT. WITHIN 180 NM SW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE OVER FORECAST
WATERS WITHIN 360 NM NE...900 NM SE...AND 660 NM S QUADRANTS
WINDS 25 TO 40 KT. SEAS 11 TO 21 FT.
.24 HOUR FORECAST LOW 54N173E 987 MB. WITHIN 360 NM NE...1140 NM
SE...AND 420 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 22
FT. .48 HOUR FORECAST LOW 53N180W 1006 MB. WITHIN 360 NM N...480
NM SE...AND 240 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 17
FT.

...STORM WARNING...
.24 HOUR FORECAST INTENSIFYING LOW 44N178E 1002 MB. WITHIN 240
NM S AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 16 TO 26 FT.
ELSEWHERE FROM 37N TO 45N BETWEEN 178W AND 172E WINDS 25 TO 40
KT. SEAS 12 TO 19 FT.
.48 HOUR FORECAST LOW 48N163W 993 MB. WITHIN 360 NM SE AND 240
NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 18 TO 32 FT. ELSEWHERE
WITHIN 240 NM N SEMICIRCLE...AND 600 NM SE AND 420 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 26 FT.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA 39N150E 979 MB. OVER FORECAST
WATERS WITHIN 660 NM E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 9 FT.
.48 HOUR FORECAST LOW 44N160E 969 MB. BETWEEN 120 NM AND 420 NM
SE QUADRANT WINDS 45 TO 60 KT. SEAS 34 TO 46 FT. ELSEWHERE
WITHIN 420 NM NE AND 780 NM SE QUADRANTS WINDS 30 TO 45 KT. SEAS
14 TO 34 FT...HIGHEST SE QUADRANT.

...GALE WARNING...
.LOW 57N151W 977 MB MOVING NW 05 KT. OVER ICE FREE FORECAST
WATERS WITHIN 300 NM NE...240 NM SE...600 NM SW...AND 540 NM W
QUADRANTS WINDS 30 TO 45 KT. SEAS 11 TO 23 FT.
.24 HOUR FORECAST LOW 57N153W 993 MB. WITHIN 180 NM SW AND 360
NM W QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 30N TO 33N BETWEEN 175W AND 172E WINDS TO 25 KT. SEAS TO
10 FT.
.24 HOUR FORECAST FROM 30N TO 34N BETWEEN 166W AND 178E WINDS 25
TO 35 KT. SEAS 10 TO 19 FT.
.48 HOUR FORECAST LOW 33N170W 1008 MB. FROM 30N TO 37N BETWEEN
156W AND 176W WINDS 25 TO 40 KT. SEAS 11 TO 21 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 60N AND W OF ALASKA.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N AND
W OF ALASKA.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE AND E OF A
LINE FROM 62N174W TO 59N166W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST OVER ICE FREE FORECAST WATERS N OF 58N BETWEEN
162W AND 177W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 47N
BETWEEN 130W AND 138W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 35N173W 1031 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 37N161W 1037 MB.
.48 HOUR FORECAST HIGH 36N149W 1037 MB.

.HIGH 31N126W 1025 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 33N161E 1026 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 33N170E 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 42N178W 1025 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 0600 UTC WED JAN 17.
24 HOUR FORECAST VALID 0600 UTC THU JAN 18.
48 HOUR FORECAST VALID 0600 UTC FRI JAN 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 75 NM OF LINE FROM 16N95W TO 13N95.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT. SEAS 8 TO 16
FT. ELSEWHERE WITHIN 120 NM OF LINE FROM 16N95W TO 14N95W TO
12N96.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINING
WATERS FROM 00N TO 14N BETWEEN 90W AND 108W WINDS 20 KT OR LESS.
SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 90 NM OF LINE FROM 16N95W TO 14N95.5W
TO 12N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 45 KT. SEAS 8 TO 19 FT. ELSEWHERE WITHIN 150 NM OF LINE FROM
16N95W TO 14N95.5W TO 08N100W N TO NE WINDS 20 TO 30 KT. SEAS 10
TO 16 FT. REMAINING WATERS FROM 01N TO 14.5N BETWEEN 90W AND
102W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE
SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM
16N95W TO 14.5N95W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 8
TO 12 FT. REMAINING WATERS S OF 14.5N BETWEEN 90W AND 100W WINDS
20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF LINE FROM 11N86W TO 09N88W...INCLUDING THE
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE
FROM 04N TO 10.5N BETWEEN 87.5W AND 92W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO
09N88.5W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25
KT. SEAS TO 8 FT. N OF 11.5N BETWEEN 87.5N AND 89W N TO NE WINDS
20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO
09.5N88.5W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25
KT. SEAS TO 8 FT. ELSEWHERE FROM 05N TO 10.5N BETWEEN 87.5N AND
90W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.N OF 10N W OF 115W WINDS 20 KT OR LESS. SEAS 10 TO 14 FT IN NW
SWELL. REMAINING OPEN WATERS W OF 108W WINDS 20 KT OR LESS. SEAS
8 TO 12 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N135W TO 27.5N140W. NW OF
FRONT WINDS 20 KT OR LESS. SEAS 14 TO 17 FT IN NW SWELL.
REMAINING OPEN WATERS W OF 102W WINDS 20 KT OR LESS. SEAS 8 TO
12 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N125W TO 23.5N140W. NW OF
FRONT W OF 130W N TO NE WINDS 20 TO 25 KT. SEAS 12 TO 15 FT IN
NW SWELL. FROM 04N TO 14N BETWEEN 100W AND 108W WINDS 20 KT OR
LESS. SEAS 10 TO 14 FT IN MIXED NW AND NE SWELL. REMAINING OPEN
WATERS W OF 100W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED
NW AND NE SWELL...HIGHEST E OF FRONT.

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

CONVECTION VALID AT 0815 UTC WED JAN 17...

.SCATTERED MODERATE FROM 11N TO 15N BETWEEN 110W AND 125W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N78W TO 08N84W TO 04.5N95W. ITCZ FROM
04.5N95W TO 09.5N138W TO BEYOND 09N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 03.5N TO 09N BETWEEN 77W AND 89W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 120 NM N OF THE ITCZ BETWEEN 99W
AND 110W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG
WITHIN 210 NM N AND 90 NM S OF THE ITCZ BETWEEN 111W AND 135W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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