High Seas Forecast
Issued by NWS

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371
FZPN01 KWBC 160354
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE JAN 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 16.
24 HOUR FORECAST VALID 0000 UTC JAN 17.
48 HOUR FORECAST VALID 0000 UTC JAN 18.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.INTENSIFYING LOW 37N170W 986 MB MOVING NE 40 KT. WITHIN 180 NM
W AND SW QUADRANTS WINDS 45 TO 60 KT. SEAS 14 TO 26 FT.
ELSEWHERE WITHIN 360 NM S SEMICIRCLE WINDS 35 TO 45 KT. SEAS 12
TO 22 FT. ALSO FROM 30N TO 41N BETWEEN 178E AND 164W...AND FROM
30N TO 37N BETWEEN 149W AND 164W WINDS 25 TO 35 KT. SEAS 9 TO 18
FT.
.06 HOUR FORECAST LOW 37N164W 982 MB. WITHIN 240 NM S AND 180 NM
SW QUADRANTS WINDS 50 TO 65 KT. SEAS 18 TO 34 FT.
.24 HOUR FORECAST LOW 42N149W 966 MB. BETWEEN 60 NM AND 240 NM S
SEMICIRCLE WINDS 55 TO 75 KT. SEAS 24 TO 46 FT. ALSO WITHIN 360
NM S SEMICIRCLE AND 180 NM NW QUADRANT WINDS 40 TO 55 KT. SEAS
19 TO 38 FT. ELSEWHERE WITHIN 900 NM E...720 NM S...1020 NM
W...AND 360 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 30
FT...HIGHEST S.
.48 HOUR FORECAST LOW 48N137W 962 MB. WITHIN 420 NM S AND SW
SEMICIRCLES WINDS 45 TO 60 KT. SEAS 26 TO 52 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 540 NM NE...780 NM SE...960 NM W AND
SW...AND 480 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 24
FT...EXCEPT SE AND SW QUADRANTS SEAS 16 TO 38 FT.

...STORM WARNING...
.LOW 50N142W 972 MB MOVING NW 20 KT. WITHIN 300 NM N SEMICIRCLE
AND 780 NM SE AND 600 NM SW QUADRANTS...ALSO OVER FORECAST
WATERS NE AND E OF A FRONT FROM 53N141W TO 49N130W TO 41N126W
WINDS 25 TO 40 KT. SEAS 11 TO 22 FT...HIGHEST NEAR 50N130W.
ELSEWHERE WITHIN 1200 NM S QUADRANT WINDS TO 25 KT. SEAS 10 TO
20 FT.
.24 HOUR FORECAST LOW 57N149W 974 MB. BETWEEN 120 NM AND 240 NM
NE QUADRANT WINDS 35 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE N OF
53N BETWEEN 133W AND 158W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW MOVED INLAND WITH NEW LOW 57N152W 994 MB.
WITHIN 420 NM W AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13
FT.

...STORM WARNING...
.INTENSIFYING LOW W OF AREA 44N154E 1000 MB MOVING NE 30 KT.
OVER FORECAST WATERS WITHIN 420 NM SE QUADRANT WINDS 20 TO 30
KT. SEAS TO 11 FT.
.06 HOUR FORECAST LOW W OF AREA 45N158E 994 MB. FROM 37N TO 47N
BETWEEN 160E AND 165E WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST LOW 50N167E 984 MB. WITHIN 240 NM SW
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 14 TO 24 FT. ELSEWHERE
BETWEEN 160E AND A LINE FROM 55N171E TO 48N177E TO 37N173E WINDS
25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 54N172E 984 MB. OVER FORECAST WATERS
WITHIN 300 NM SW SEMICIRCLE WINDS 35 TO 45 KT. SEAS 16 TO 26 FT.
ALSO WITHIN 360 NM NE...720 NM SE...AND 540 NM SW
QUADRANTS...AND WITHIN 180 NM E OF A FRONT FROM 53N175W TO
46N172W TO 40N176W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT...EXCEPT
E OF FRONT SEAS 8 TO 13 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 41N169E 1009 MB. WITHIN 300 NM S
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW S OF AREA NEAR 29N178W 1010 MB. N OF 30N
WITHIN 240 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
ELSEWHERE FROM 30N TO 33N BETWEEN 176E AND 167W WINDS 20 TO 30
KT. SEAS 8 TO 13 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 62N AND W OF 170W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY W OF A LINE FROM 62N170W TO 59N176W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N AND
W OF ALASKA.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N AND
W OF ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 59N
TO 62N W OF ALASKA.

.SYNOPSIS AND FORECAST.

.LOW 59N146W 996 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 180 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE WITH LOW 57N149W.

.LOW 65N170W 984 MB MOVING NW 15 KT. WITHIN 360 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS N OF AREA.

.FROM 45N TO 58N BETWEEN 175E AND 170W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 44N TO 60N BETWEEN 160W AND 172W N TO NW
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...HIGHEST S OF THE ALEUTIANS.
.48 HOUR FORECAST CONDITIONS DESCRIBED IN WARNINGS SECTION ABOVE
WITH LOW 48N137W.

.LOW 54N170E 1001 MB MOVING E 20 KT. WITHIN 480 NM SW AND 180 NM
SE QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 37N
BETWEEN 160W AND 166W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 43N BETWEEN 134W AND
141W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 35N163E 1028 MB MOVING E 30 KT.
.24 HOUR FORECAST HIGH 37N179W 1031 MB.
.48 HOUR FORECAST HIGH 37N164W 1034 MB.

.24 HOUR FORECAST HIGH 30N126W 1024 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST NEW HIGH 37N126W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 33N170E 1027 MB.

.FORECASTER REINHART. 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 TUE JAN 16.
24 HOUR FORECAST VALID 0000 UTC WED JAN 17.
48 HOUR FORECAST VALID 0000 UTC THU JAN 18.

.WARNINGS.

...GALE WARNING...
.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 15
FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W TO 14N95.5W TO
11.5N98W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. REMAINING
WATERS FROM 01N TO 15N BETWEEN 90W AND 112W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM
16N95W TO 14.5N95W TO 12.5N96.5W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 13 FT. REMAINING WATERS S OF 14N BETWEEN 90W AND 107W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N95W
TO 12N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 45 KT. SEAS 8 TO 18 FT. ELSEWHERE WITHIN 150 NM OF LINE FROM
16N95W TO 12.5N96W TO 08N101W N TO NE WINDS 20 TO 30 KT. SEAS 10
TO 17 FT. REMAINING WATERS S OF 14.5N BETWEEN 92W AND 104W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF LINE FROM 11N86W TO 08N88W...INCLUDING THE
GULF OF PAPAGAYO...N TO NE WINDS 20 TO 30 KT. SEAS TO 10 FT.
ELSEWHERE FROM 03.5N TO 11N BETWEEN 86W AND 90W WINDS 20 KT OR
LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 87.5W...INCLUDING THE
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE
FROM 04.5N TO 09.5N BETWEEN 87.5W AND 90W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO
09.5N87.58W...INCLUDING THE GULF OF PAPAGAYO...N TO NE WINDS 20
TO 30 KT. SEAS TO 9 FT.

.NW OF LINE FROM 30N117W TO 10N120W TO 00N140W WINDS 20 KT OR
LESS. SEAS 8 TO 17 FT IN NW SWELL...HIGHEST NW. ELSEWHERE FROM
07N TO 16N W OF 112W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED NW AND NE SWELL.
.24 HOUR FORECAST OPEN WATERS W OF 107W WINDS 20 KT OR LESS.
SEAS 8 TO 14 FT IN MIXED NW AND NE SWELL...HIGHEST W OF 115W.
.48 HOUR FORECAST COLD FRONT FROM 30N137W TO 28N140W. NW OF
FRONT WINDS 20 KT OR LESS. SEAS 9 TO 16 FT IN FRESH NW SWELL.
REMAINING OPEN WATERS W OF 104W WINDS 20 KT OR LESS. SEAS 8 TO
12 FT IN NW SWELL.

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

CONVECTION VALID AT 0215 UTC MON JAN 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 05N77W TO 10N86W TO 05N91W. ITCZ FROM 05N91W
TO 09N123W TO BEYOND 09N140W. SCATTERED MODERATE TO STRONG FROM
00N TO 10N BETWEEN 80W AND 88W. SCATTERED MODERATE FROM 04N TO
08N BETWEEN 91W AND 102W. SCATTERED MODERATE ISOLATED STRONG
WITHIN 90 NM N AND 60 NM S OF ITCZ BETWEEN 111W AND
140W...EXCEPT SCATTERED MODERATE TO STRONG FROM 06N TO 11N
BETWEEN 121W AND 130W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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