High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 212140
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN JAN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

SYNOPSIS VALID 1800 UTC JAN 21.
24 HOUR FORECAST VALID 1800 UTC JAN 22.
48 HOUR FORECAST VALID 1800 UTC JAN 23.

.WARNINGS.

...STORM WARNING...
.LOW 34N156W 1015 MB MOVING NE 30 KT. WITHIN 180 NM OF LOW WINDS
LESS THAN 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 40N148W 1007 MB. WITHIN 360 NM E AND 480
NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 50N135W 982 MB. WITHIN 120 NM NE AND E OF
A LINE FROM 51N135W TO 51N130W TO 48N131W AND FROM 47N TO 49N
BETWEEN 130W AND 135W WINDS 35 TO 50 KT. SEAS 15 TO 22 FT.
ELSEWHERE WITHIN 300 NM NE AND 840 NM SE QUADRANTS WINDS 25 TO
35 KT. SEAS 8 TO 17 FT.

...STORM WARNING...
.24 HOUR FORECAST LOW 38N173E 1003 MB. WITHIN 240 NM N AND NW
AND 300 NM E AND NE QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16
FT. ELSEWHERE WITHIN 480 NM SW AND 600 NM W QUADRANTS WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.
.30 HOUR FORECAST LOW 37N175E 1001 MB. WITHIN 180 NM N AND 240
NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW 37N175W 994 MB. WITHIN 240 NM NW
SEMICIRCLE AND 180 NM NE AND E OF A FRONT FROM 38N172W TO
34N171W TO 31N171W WINDS 40 TO 55 KT. SEAS 14 TO 27 FT.
ELSEWHERE FROM 30N TO 44N BETWEEN 162W AND 173E WINDS 25 TO 40
KT. SEAS 8 TO 17 FT.

...STORM WARNING...
.42 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 36N162E
TO 42N164E TO 47N162E WINDS 40 TO 55 KT. SEAS 12 TO 20 FT.
.48 HOUR FORECAST LOW W OF AREA 46N152E 950 MB. FRONT TO EXTEND
FROM 46N160E TO 42N163E TO 36N162E. WITHIN 240 NM NE AND E OF
FRONT WINDS 40 TO 55 KT. SEAS 12 TO 24 FT. ELSEWHERE W OF A LINE
FROM 34N164E TO 41N170E TO 51N167E WINDS 25 TO 40 KT. SEAS 8 TO
15 FT.

...GALE WARNING...
.LOW 54N137W 991 MB MOVING NW 15 KT. FRONT EXTENDS FROM 43N125W
TO 38N133W TO 35N142W. WITHIN 240 NM S OF FRONT AND BETWEEN 180
AND 720 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 13 TO 26 FT.
ELSEWHERE WITHIN 420 NM SW AND 900 NM S AND SE QUADRANTS WINDS
20 TO 30 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW 58N141W 997 MB. OVER FORECAST WATERS E OF
A LINE FROM 40N133W TO 50N142W TO 59N145W WINDS TO 25 KT. SEAS 8
TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 55N151W 994 MB MOVING SE 05 KT. WITHIN 360 NM S...420 NM W
AND 540 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW 54N147W 991 MB. BETWEEN 240 NM AND 780 NM
W QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE WITHIN
240 NM S AND 300 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.
.48 HOUR FORECAST LOW 52N147W 995 MB. WITHIN 420 NM S AND 660 NM
W QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.

...GALE WARNING...
.LOW NW OF AREA 56N161E 990 MB MOVING N 15 KT. WITHIN 360 NM NE
OF A LINE FROM 54N170E TO 49N179W WINDS 25 TO 40 KT. SEAS 11 TO
21 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 720 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW DISSIPATED NW OF AREA. N OF 43N W OF 171E
AND FROM 48N TO 52N BETWEEN 176W AND 178E WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 47N TO 57N BETWEEN 174W AND 180W WINDS TO
25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW 44N165W 1007 MB MOVING SE 20 KT. WITHIN 180 NM NE AND 300
NM SE...360 NM SW AND 480 NM NW QUADRANTS WINDS 20 TO 30 KT.
SEAS 10 TO 17 FT.
.24 HOUR FORECAST LOW 43N154W 1001 MB. WITHIN 360 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN
540 NM W AND SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW 46N141W 992 MB. WITHIN 600 NM S AND 720 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ELSEWHERE
WITHIN 360 NM NW...900 NM W AND 780 NM S QUADRANTS WINDS 20 TO
30 KT. SEAS 10 TO 15 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS N OF A
LINE FROM 57N155W TO 58N168W TO 63N173W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 55N154W TO 58N164W TO 63N173W.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 30N TO 36N E OF 126W AREA OF N TO NW
WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 30N TO 34N BETWEEN 119W AND 122W WINDS TO
25 KT. SEAS 8 TO 13 FT WITH NW SWELL.
.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 118W AND 125W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 11 FT.

.LOW 31N166E 1006 MB MOVING NE 25 KT. FROM 30N TO 36N BETWEEN
164E AND 175E WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
.24 HOUR FORECAST LOW 34N178E 1003 MB. OVER FORECAST WATERS S OF
A LINE FROM 39N180W TO 36N172W WINDS 20 TO 30 KT. SEAS 8 TO 13
FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
37N175W DESCRIBED IN WARNINGS SECTION ABOVE.

.HIGH 32N129W 1032 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 31N129W 1028 MB.

.HIGH 40N148W 1024 MB MOVING SE 40 KT.
.24 HOUR FORECAST HIGH 37N127W 1029 MB.
.48 HOUR FORECAST HIGH DISSIPATED INLAND.

.HIGH 60N175W 1033 MB MOVING S 10 KT.
.24 HOUR FORECAST HIGH 55N174W 1033 MB.
.48 HOUR FORECAST HIGH 50N171W 1035 MB.

.HIGH 33N176W 1021 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 37N170W 1023 MB.
.48 HOUR FORECAST HIGH 37N160W 1026 MB.

.HIGH 42N173E 1023 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 48N174E 1027 MB.
.48 HOUR FORECAST HIGH 49N177E 1031 MB.

.48 HOUR FORECAST HIGH 52N171E 1030 MB.

.FORECASTER KOSIER. 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 1800 UTC SUN JAN 21.
24 HOUR FORECAST VALID 1800 UTC MON JAN 22.
48 HOUR FORECAST VALID 1800 UTC TUE JAN 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 21N W OF 121W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
14 FT. REMAINDER OPEN WATERS N OF 05N W OF 103W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 11N TO 20N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 13 FT. ELSEWHERE W OF LINE 30N116W TO 20N110W
TO 10N110W TO 02N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.
.48 HOUR FORECAST FROM 10N TO 18N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 13 FT. ELSEWHERE W OF LINE FROM 30N116W TO
17N110W TO 10N110W TO 00N136W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.

.06 HOUR FORECAST GULF OF CALIFORNIA FROM 23.5N TO 28N NW WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 29N NW WINDS 20
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 25N NW WINDS 20 TO 25
KT. SEAS TO 8 FT FROM 26N TO 28N.

.36 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W TO 13.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO
NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 2100 UTC SUN JAN 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N78W TO 05N87W TO 05N95W. ITCZ FROM 05N95W
TO 07N103W TO 07N110W TO 09N125W TO 09N128W TO BEYOND 09N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 07N BETWEEN 79W
AND 85W. SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 13N
BETWEEN 110W AND 116W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.


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