High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 200351
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT JAN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 20.
24 HOUR FORECAST VALID 0000 UTC JAN 21.
48 HOUR FORECAST VALID 0000 UTC JAN 22.

.WARNINGS.

...STORM WARNING...
.LOW 51N150W 987 MB MOVING E 15 KT. WITHIN 300 NM S AND 360 NM
SW QUADRANTS WINDS 40 TO 50 KT. SEAS 15 TO 27 FT. ALSO WITHIN
780 NM SE...540 NM SW...AND 360 NM NW QUADRANTS WINDS 25 TO 40
KT. SEAS 12 TO 24 FT...EXCEPT 18 TO 33 FT SE QUADRANT. ELSEWHERE
WITHIN 360 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 51N139W 999 MB. WITHIN 360 NM SE...720 NM
SW...600 NM W...AND BETWEEN 180 NM AND 360 NM NE QUADRANTS WINDS
25 TO 40 KT. SEAS 10 TO 20 FT...EXCEPT 15 TO 26 FT SE AND SW
QUADRANTS.
.48 HOUR FORECAST LOW 54N135W 993 MB. OVER FORECAST WATERS FROM
42N TO 53N BETWEEN 125W AND 150W WINDS 25 TO 35 KT. SEAS 10 TO
20 FT.

...STORM WARNING...
.LOW 37N163W 1011 MB MOVING NE 50 KT. WITHIN 240 NM NW...300 NM
NE...AND 420 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20
FT. ELSEWHERE WITHIN 480 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS
9 TO 15 FT.
.24 HOUR FORECAST LOW 43N137W 1001 MB. OVER FORECAST WATERS
WITHIN 300 NM SE OF A LINE FROM 50N127W TO LOW TO 36N150W WINDS
25 TO 40 KT. SEAS 15 TO 26 FT. ELSEWHERE WITHIN 420 NM SE
QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.
.36 HOUR FORECAST LOW DISSIPATED. FROM 43N TO 50N BETWEEN 124W
AND 127W WINDS 40 TO 50 KT. SEAS 17 TO 26 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 54N135W ABOVE.

...STORM WARNING...
.LOW 45N165E 971 MB MOVING N 15 KT. WITHIN 420 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 27 TO 37 FT. ALSO BETWEEN 180 NM AND 480
NM NE QUADRANT WINDS 35 TO 45 KT. SEAS 18 TO 27 FT. ELSEWHERE
OVER FORECAST WATERS WITHIN 780 NM NE AND S...660 NM SE...AND
420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 15 TO 30 FT...EXCEPT
10 TO 20 FT NE QUADRANT.
.24 HOUR FORECAST LOW 51N165E 978 MB. WITHIN 540 NM NE...660 NM
E...AND 360 NM S QUADRANTS WINDS 35 TO 45 KT. SEAS 18 TO 27 FT.
ALSO WITHIN 660 NM NE AND S...780 NM E...AND 840 NM SE QUADRANTS
WINDS 25 TO 35 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 1200 NM SE
AND 1260 NM S QUADRANTS WINDS TO 25 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW MOVED NW OF AREA. NW OF A LINE FROM
41N160E TO 47N170E...AND WITHIN 180 NM EITHER SIDE OF A LINE
FROM 57N175E TO 50N174W WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.OVER FORECAST WATERS FROM 57N TO 62N BETWEEN 162W AND 171W AREA
OF NE WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FROM 52N TO 59N BETWEEN 154W AND 167W WINDS 25
TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST...EXCEPT AS DESCRIBED WITH LOW 54N135W
ABOVE...WITHIN 240 NM EITHER SIDE OF A LINE FROM 60N163W TO
55N160W TO 50N150W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.LOW 51N129W 995 MB MOVING NE 10 KT. WITHIN 300 NM SE...420 NM
SW...AND 240 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOWS
51N139W AND 43N137W ABOVE.

...GALE WARNING...
.LOW 54N135W 999 MB MOVING NW 10 KT. WITHIN 180 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 240 NM W
AND N AND 180 NM E QUADRANTS WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 56N141W 991 MB. EXCEPT AS DESCRIBED WITH
LOW 51N139W ABOVE...WITHIN 180 NM OF LOW WINDS 20 TO 30 KT. SEAS
9 TO 16 FT. ELSEWHERE WITHIN 360 NM NW AND 240 NM N QUADRANTS
WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 58N147W 988 MB. WITHIN 180 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 180 NM NE
AND 300 NM E QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 36N178E 1010 MB MOVING NE 25 KT. EXCEPT AS DESCRIBED WITH
LOW 45N165E ABOVE...FROM 33N TO 41N BETWEEN 176W AND 176E WINDS
25 TO 35 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 41N172W 1011 MB. EXCEPT AS DESCRIBED WITH
LOW 51N165E ABOVE...FROM 36N TO 48N BETWEEN 167W AND 174W WINDS
20 TO 30 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 44N164W 1008 MB. WITHIN 420 NM NW...180 NM
NE...300 NM SE...AND 240 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
9 TO 18 FT. ELSEWHERE WITHIN 840 NM S QUADRANT WINDS TO 25 KT.
SEAS 8 TO 14 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 36N153W 1012 MB. WITHIN 300 NM
NW...180 NM NE...AND 360 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 14 FT.
.42 HOUR FORECAST LOW 37N141W 1016 MB. OVER FORECAST WATERS
WITHIN 240 NM SE OF A LINE FROM 43N125W TO LOW TO 33N148W WINDS
25 TO 35 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 37N139W 1016 MB. WITHIN 240 NM SE OF A
LINE FROM 40N124W TO LOW TO 33N146W WINDS 20 TO 30 KT. SEAS 11
TO 21 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 37N160E 1000 MB. OVER FORECAST WATERS
WITHIN 240 NM SE SEMICIRCLE WINDS 35 TO 45 KT. SEAS 10 TO 18 FT.
ELSEWHERE WITHIN 420 NM NE AND 840 NM SE QUADRANTS WINDS 25 TO
35 KT. SEAS 8 TO 14 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS N OF A
LINE FROM 58N159W TO 59N169W TO 63N174W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N155W TO 58N165W TO 62N169W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 55N154W TO 56N165W TO 62N174W.

.SYNOPSIS AND FORECAST.

.EXCEPT AS DESCRIBED IN WARNINGS SECTION ABOVE...OVER FORECAST
WATERS S OF 40N BETWEEN 119W AND 155W WINDS 20 TO 30 KT. SEAS 9
TO 18 FT.
.24 HOUR FORECAST S OF 39N E OF 128W WINDS 20 TO 30 KT. SEAS 8
TO 16 FT.
.48 HOUR FORECAST S OF 34N E OF 123W WINDS TO 25 KT. SEAS TO 12
FT.

.48 HOUR FORECAST...EXCEPT AS DESCRIBED IN WARNINGS SECTION
ABOVE...S OF 50N BETWEEN 174W AND 173E WINDS TO 25 KT. SEAS 8 TO
16 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
44N177E AND WITHIN 180 NM SE OF A LINE FROM 39N160W TO 35N165W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 44N170W 1025 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 43N163W 1023 MB.
.48 HOUR FORECAST HIGH 39N147W 1021 MB.

.HIGH 34N142W 1034 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 32N132W 1029 MB.
.48 HOUR FORECAST HIGH 31N129W 1029 MB.

.24 HOUR FORECAST HIGH 61N174W 1033 MB.
.48 HOUR FORECAST HIGH 61N177W 1033 MB.

.24 HOUR FORECAST HIGH 31N178E 1020 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 32N172W 1020 MB.
.48 HOUR FORECAST HIGH 31N169W 1021 MB.

.48 HOUR FORECAST HIGH 43N173E 1025 MB.

.FORECASTER FIGURSKEY. 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 JAN 20.
24 HOUR FORECAST VALID 0000 UTC SUN JAN 21.
48 HOUR FORECAST VALID 0000 UTC MON JAN 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING GULF
OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
ELSEWHERE S OF 14N BETWEEN 90W AND 110W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W
AND 95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. S OF 11N
BETWEEN 91W AND 100W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE
AND NW SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WEAKENING COLD FRONT FROM 30N119W TO 23N130W TO 21N140W. NW OF
FRONT AND S OF FRONT TO 11N W OF 133W N TO NE WINDS 20 TO 25 KT.
SEAS 11 TO 15 FT. N OF 25N BETWEEN 116W AND 119W WINDS 20 KT OR
LESS. SEAS 11 TO 13 FT IN NW SWELL. ELSEWHERE N OF 06N W OF 110W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 26N111W TO
18N127W. FROM 11N TO 24N W OF 118W NE WINDS 20 TO 25 KT. SEAS 10
TO 14 FT. ELSEWHERE OVER OPEN WATERS W OF 100W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. FROM 10N TO 22N W OF
117W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF
LINE FROM 30N116W TO 15N104W TO 07N96W TO 03N100W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10N87.5W...INCLUDING GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 31.5N114W
TO 30N115W. WITHIN 45 NM SE OF FRONT S TO SW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 26N111W TO
25N112W. N OF 30N NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST S OF 29N NW TO N WINDS 20 TO 25 KT. SEAS TO 8
FT.

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

CONVECTION VALID AT 0215 UTC SAT JAN 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N75W TO 09N84W TO 05N92W. ITCZ FROM 05N92W
TO 07N105W TO 08N119W...THEN RESUMES W OF TROUGH NEAR 07N125W TO
BEYOND 07N140W. SCATTERED MODERATE FROM 07N TO 14N BETWEEN 113W
AND 131W.

$$

.FORECASTER LATTO. NATIONAL HURRICANE CENTER.



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