High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 231554
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON OCT 23 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

THE U.S. COAST GUARD IS CURRENTLY EXPERIENCING DEGRADATION IN
IMAGE QUALITY OF ALL HFFAX PRODUCTS. TROUBLESHOOTING OF THE
PROBLEM IS TAKING PLACE.

PAN PAN

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

SYNOPSIS VALID 1200 UTC OCT 23.
24 HOUR FORECAST VALID 1200 UTC OCT 24.
48 HOUR FORECAST VALID 1200 UTC OCT 25.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 51N161E 980 MB MOVING NE 15 KT AND RAPIDLY INTENSIFYING.
OVER FORECAST WATERS WITHIN 240 NM NE AND 480 NM SE QUADRANTS
WINDS 40 TO 50 KT. SEAS 14 TO 27 FT. ELSEWHERE W OF A LINE FROM
33N170E TO 48N176E TO 56N172E WINDS 25 TO 40 KT. SEAS 11 TO 22
FT.
.18 HOUR FORECAST LOW JUST W OF FORECAST AREA 54N166E 943 MB.
BETWEEN 120 NM AND 420 NM NE AND BETWEEN 180 NM AND 480 NM E
QUADRANTS WINDS 50 TO 65 KT. SEAS 15 TO 30 FT.
.24 HOUR FORECAST LOW JUST W OF FORECAST AREA 54N167E 938 MB
WITH SECOND NEW LOW 54N177E 944 MB. WITHIN 240 NM N AND NE
QUADRANTS OF SECOND LOW WINDS 50 TO 65 KT. SEAS 24 TO 36 FT.
ALSO WITHIN 660 NM NE...1080 NM SE...AND 840 NM S QUADRANTS OF
FIRST LOW WINDS 40 TO 60 KT. SEAS 18 TO 36 FT. ELSEWHERE WITHIN
720 NM NE...AND 1200 NM SE AND S QUADRANTS OF FIRST LOW WINDS 25
TO 40 KT. SEAS 12 TO 24 FT.
.36 HOUR FORECAST LOW 52N174E 939 MB WITH SECOND LOW DISSIPATED.
WITHIN 360 NM SE AND 420 NM SW QUADRANTS WINDS 55 TO 75 KT. SEAS
36 TO 56 FT.
.48 HOUR FORECAST LOW 52N177W 954 MB. WITHIN 360 NM SE AND 540
NM SW QUADRANTS WINDS 45 TO 60 KT. SEAS 36 TO 56 FT. ALSO NW OF
A LINE FROM 54N178E TO 63N169W WINDS 45 TO 55 KT. SEAS 20 TO 36
FT. ELSEWHERE WITHIN 840 NM NE...1080 NM E...900 NM SE AND
SW...AND 780 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 20 TO 40
FT...EXCEPT 15 TO 30 FT NE QUADRANT. AND WITHIN 1260 NM S AND
1500 NM SW QUADRANTS WINDS TO 25 KT. SEAS 9 TO 18 FT.

...STORM WARNING...
.LOW 50N141W 998 MB MOVING NE 45 KT. WITHIN 180 NM EITHER SIDE
OF A LINE FROM 52N132W TO 41N147W WINDS 35 TO 45 KT. SEAS 12 TO
21 FT. ELSEWHERE WITHIN 300 NM EITHER SIDE OF A LINE FROM
54N131W TO 40N144W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.06 HOUR FORECAST LOW 54N138W 997 MB. OVER FORECAST WATERS
BETWEEN 180 NM AND 300 NM E QUADRANT WINDS 40 TO 50 KT. SEAS 10
TO 20 FT.
.24 HOUR FORECAST LOW WELL INLAND. WITHIN 180 NM EITHER SIDE OF
A LINE FROM 43N143W TO 49N134W AND FROM 49N TO 53N BETWEEN 128W
AND 134W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST FROM 48N TO 54N BETWEEN 128W AND 133W AREA OF
NW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...STORM WARNING...
.LOW 34N157W 1007 MB MOVING NE 20 KT. OVER FORECAST WATERS
WITHIN 360 NM EITHER SIDE OF A LINE FROM 40N143W TO 30N151W AND
FROM 30N TO 40N BETWEEN 162W AND 178W WINDS 25 TO 35 KT. SEAS 8
TO 16 FT.
.24 HOUR FORECAST LOW 32N155W 1004 MB. WITHIN 480 NM NW...900 NM
NE...720 NM E...AND 600 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS
10 TO 20 FT.
.36 HOUR FORECAST LOW 32N157W 998 MB. WITHIN 240 NM W SEMICIRCLE
AND BETWEEN 180 NM AND 480 NM E QUADRANT WINDS 40 TO 50 KT. SEAS
15 TO 24 FT.
.48 HOUR FORECAST 34N158W 997 MB. WITHIN 300 NM W
SEMICIRCLE...AND 720 NM NE AND E QUADRANTS WINDS 25 TO 40 KT.
SEAS 11 TO 22 FT.

...GALE WARNING...
.LOW 57N154W 1000 MB MOVING N 10 KT. WITHIN 180 NM E AND 90 NM W
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOWS
53N152W AND 55N154W BELOW.

...GALE WARNING...
.LOW 48N159W 1000 MB MOVING NE 15 KT. WITHIN 180 NM OF LOW WINDS
20 TO 30 KT. SEAS TO 12 FT.
.06 HOUR FORECAST LOW 49N158W 999 MB. WITHIN 120 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 53N152W 1005 MB WITH SECOND NEW LOW
55N154W 1004 MB. OVER FORECAST WATERS FROM 48N TO 59N BETWEEN
145W AND 157W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST FIRST LOW DISSIPATED WITH SECOND LOW 60N144W
1016 MB. WITHIN 240 NM SE QUADRANT WINDS TO 25 KT. SEAS LESS
THAN 8 FT.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 30N TO 40N BETWEEN 122W AND 128W AREA
OF N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 33N TO 46N BETWEEN 125W AND 130W AREA OF
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST WITHIN 180 NM EITHER SIDE OF A LINE FROM
32N131W TO 43N125W AREA OF N WINDS 20 TO 30 KT. SEAS TO 12 FT.

.LOW 61N172W 1004 MB MOVING SE 15 KT. WITHIN 240 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE.

.FROM 40N TO 56N BETWEEN 164W AND 176W WINDS 20 TO 30 KT. SEAS 8
TO 14 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS W OF A LINE FROM 38N160E TO 44N167E TO 50N164E...AND
WITHIN AN AREA BOUNDED BY 52N139W TO 40N148W TO 39N143W TO
48N131W TO 52N139W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 53N BETWEEN 173W AND
178W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 53N129W TO
45N140W TO 40N149W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 44N BETWEEN 141W AND
155W.

.HIGH 37N131W 1031 MB MOVING NW 10 KT.
.24 HOUR FORECAST HIGH 41N134W 1030 MB.
.48 HOUR FORECAST HIGH 40N137W 1031 MB.

.HIGH 40N178E 1031 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 33N176W 1026 MB.
.48 HOUR FORECAST HIGH JUST S OF AREA 29N178E 1022 MB.

.48 HOUR FORECAST NEW HIGH 50N141W 1030 MB.

.48 HOUR FORECAST HIGH 39N162E 1022 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 1200 UTC MON OCT 23.
24 HOUR FORECAST VALID 1200 UTC TUE OCT 24.
48 HOUR FORECAST VALID 1200 UTC WED OCT 25.

.WARNINGS.

...STORM WARNING...
.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 14N95.5W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.
SEAS 9 TO 12 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF A LINE
FROM 16N95W TO 13.5N95W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11
FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE
OF A LINE FROM 16N95W TO 12N96.5W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 08N96W TO 08N99W TO
11N100W TO 16N96W TO 16N94W TO 13N93W TO 08N96W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED NE AND S SWELL.
.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
40 TO 50 KT. SEAS 10 TO 19 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE
OF A LINE FROM 16N95W TO 13N95.5W N TO NE WINDS 30 TO 40 KT. SEAS
10 TO 15 FT. REMAINDER OF AREA WITHIN 120 NM EITHER SIDE OF A
LINE FROM 16N95W TO 12N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
12 FT. ALSO WITHIN AREA BOUNDED BY 10N93W TO 10N101W TO 14N99W
TO 16N97W TO 16N95W TO 15N93W TO 10N93W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED NE AND S SWELL.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 40
TO 50 KT. SEAS 12 TO 22 FT. ELSEWHERE WITHIN 90 NM EITHER SIDE OF
A LINE FROM 16N95W TO 11.5N96.5W N TO NE WINDS 30 TO 40 KT. SEAS
12 TO 18 FT. REMAINDER OF AREA WITHIN 120 NM EITHER SIDE OF A
LINE FROM 16N95W TO 10.5N97W N TO NE WINDS 20 TO 30 KT. SEAS 10
TO 16 FT. ALSO WITHIN AREA BOUNDED BY 05N91W TO 01N102W TO
06N117W TO 09N103W TO 16N96W TO 12N91W TO 05N91W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA N OF 24N WITHIN 45 NM OF BAJA CALIFORNIA
PENINSULA NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN AREA BOUNDED BY 06N103W TO 03.4S111W TO 00N140W TO
30N140W TO 30N117W TO 06N103W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 06N92W TO 03.4S105W TO
10N128W TO 06N140W TO 30N140W TO 29N118W TO 06N92W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN NW SWELL...HIGHEST NEAR 30N129W.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 11N126W TO 09N140W TO
14N140W TO 21N127W TO 30N116W TO 21N114W TO 11N126W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.24 HOUR FORECAST WITHIN AREA BOUNDED BY 06N78W TO 05N81W TO
06N83W TO 07N84W TO 08N82W TO 06N78W...INCLUDING NEAR THE AZUERO
PENINSULA...SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 06N82W TO 06N86W TO
05N90W TO 09N91W TO 09N84W TO 06N82W...INCLUDING NEAR THE AZUERO
PENINSULA...SW 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 1500 UTC MON OCT 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N86W TO 07N107W TO 08N127W.
ITCZ AXIS EXTENDS FROM 08N127W TO 09N140W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 105 NM SW OF COAST OF PANAMA AND COSTA
RICA...FROM 10N TO 14N BETWEEN 99W AND 102W...FROM 10N TO 13N
BETWEEN 118W AND 129W...AND FROM 06N TO 11N W OF 128W.

$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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