North Pacific High Seas Forecast

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FZPN01 KWBC 232145
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC TUE OCT 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION 
IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE). 

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 1800 UTC OCT 23. 
24 HOUR FORECAST VALID 1800 UTC OCT 24. 
48 HOUR FORECAST VALID 1800 UTC OCT 25. 

.WARNINGS. 

...STORM WARNING... 
.LOW 58N148W 960 MB MOVING NW 30 KT. OVER FORECAST WATERS WITHIN 
180 NM N AND NE QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 28 FT. 
ELSEWHERE WITHIN 300 NM N SEMICIRCLE...540 NM SE...AND 240 NM SW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. 
.24 HOUR FORECAST LOW MOVED INLAND AND CONDITIONS DESCRIBED 
BELOW WITH LOW 49N143W BELOW. 

...STORM WARNING... 
.LOW 44N155W 980 MB MOVING NE 35 KT. OVER FORECAST WATERS FROM 
34N TO 46N BETWEEN 145W AND 173W WINDS 25 TO 40 KT. SEAS 10 TO 
20 FT. 
.18 HOUR FORECAST LOW 48N143W 970 MB. WITHIN 240 NM SW 
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 16 TO 23 FT. 
.24 HOUR FORECAST LOW 51N140W 969 MB. WITHIN 240 NM S QUADRANT 
WINDS 40 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE WITHIN 660 NM E 
SEMICIRCLE...480 NM SW...AND 300 NM NW QUADRANTS WINDS 25 TO 40 
KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 58N146W 964 MB. WITHIN 240 NM NE QUADRANT 
WINDS 40 TO 50 KT. SEAS 16 TO 26 FT. ELSEWHERE WITHIN 600 NM SE 
AND 300 NM SW QUADRANTS AND N SEMICIRCLE WINDS 25 TO 40 KT. SEAS 
12 TO 32 FT....HIGHEST SE QUADRANT.

...GALE WARNING... 
.LOW 56N168W 986 MB MOVING SE 15 KT. WITHIN 300 NM W SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 51N161W 984 MB. WITHIN 360 NM SW QUADRANT 
WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN 1020 NM SW 
AND 600 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW 50N147W 988 MB. WITHIN 600 NM SE AND 420 
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. 

...GALE WARNING... 
.24 HOUR FORECAST LOW 56N177W 999 MB. OVER FORECAST WATERS 
WITHIN 480 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 
FT. 
.48 HOUR FORECAST LOW 50N165W 996 MB. WITHIN 720 NM S QUADRANT 
AND N OF 43N BETWEEN 167W AND 177E WINDS 25 TO 40 KT. SEAS 10 TO 
22 FT. 

...GALE WARNING... 
.18 HOUR FORECAST LOW W OF AREA 33N153E 1003 MB. OVER FORECAST 
WATERS WITHIN 600 NM E QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 12 
FT. 
.24 HOUR FORECAST LOW 34N154E 1001 MB. WITHIN 720 NM E QUADRANT 
WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW W OF AREA 41N158W 986 MB. OVER FORECAST 
WATERS WITHIN 600 NM E SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 
22 FT.

.SYNOPSIS AND FORECAST. 

.FROM 38N TO 45N BETWEEN 170E AND 178W WINDS TO 25 KT. SEAS TO 
10 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED WITH 
LOW 51N161W ABOVE. 

.E OF A LINE FROM 55N133W TO 42N126W WINDS 20 TO 30 KT. SEAS TO 
12 FT.
.06 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST WITHIN 240 NM E OF A LINE FROM 42N134W TO 
34N144W WINDS TO 25 KT. SEAS 10 TO 13 FT. 

.HIGH 35N138W 1018 MB MOVING E 30 KT. 
.24 HOUR FORECAST HIGH 34N131W 1020 MB. 
.48 HOUR FORECAST HIGH 32N133W 1023 MB. 

.24 HOUR FORECAST HIGH 45N164E 1032 MB. 
.48 HOUR FORECAST HIGH 48N172W 1033 MB. 

.48 HOUR FORECAST NEW HIGH 37N179E 1031 MB.

.FORECASTER KREKELER. 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 TUE OCT 23.
24 HOUR FORECAST VALID 1800 UTC WED OCT 24.
48 HOUR FORECAST VALID 1800 UTC THU OCT 25.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE WILLA NEAR 22.2N 106.4W 965 MB AT 2100 UTC OCT 23 
MOVING NNE OR 030 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...100 NM SE QUADRANT...70 NM SW QUADRANT...AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE QUADRANT...180 
NM SE QUADRANT...210 NM SW QUADRANT...AND 150 NM NW QUADRANT 
WITH SEAS TO 28 FT. ELSEWHERE WITHIN 90 NM NE AND 150 NM SW 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. REMAINDER OF 
AREA FROM 12N TO 24N E OF 115W WINDS 20 KT OR LESS. SEAS TO 11 
FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM WILLA INLAND NEAR 23.7N 104.7W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. OVER FORECAST WATERS 
FROM 21.5N TO 23N E OF 107.5W TO MEXICAN COAST SW WINDS 20 TO 25 
KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 15N TO 23N BETWEEN 103W AND 
113W...INCLUDING ENTRANCE TO GULF OF CALIFORNIA...WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW WILLA NEAR 25.7N 
101.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST 
WATERS N OF 20N E OF 110W WINDS 20 KT OR LESS. SEAS LESS THAN 8 
FT.
.36 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.    

.GULF OF TEHUANTEPEC N OF 14.5N WINDS 20 KT. SEAS TO 8 FT IN 
MIXED SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES 12.5N116W 1010 MB MOVING NNW 4 KT. WITHIN 75 NM SE 
QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 120 
NM NW AND 210 NM SE SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES NEAR 13N117.5W 1011 MB. WITHIN 120 NM 
NW SEMICIRCLE NE WINDS 20 TO 25 KT. SEAS 8 FT. 
.48 HOUR FORECAST LOW PRES NEAR 12.5N120W 1011 MB. WITHIN 150 N 
NW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. 

.FROM 03N TO 07N BETWEEN 93W AND 106W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN MIXED SW SWELL. S OF 01N BETWEEN 94W AND 120W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.  
.24 HOUR FORECAST FROM 04N TO 06N BETWEEN 92W AND 99W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED SW SWELL. 
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 15N W OF 133W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. ELSEWHERE W OF LINE FROM 09N140W TO 10N129W TO 19N140W 
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. 
.24 HOUR FORECAST FROM 10N TO 15N W OF 135W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 09N TO 17.5N W OF 136W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. 
.48 HOUR FORECAST FROM 11.5N TO 15N W OF 138W E WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 10N TO 25N W OF 133W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.24 HOUR FORECAST NW OF LINE FROM 30N135W TO 27N140W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST CONDITIONS SHIFT SE AND MERGE WITH AREA ABOVE.

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

CONVECTION VALID AT 2100 UTC TUE OCT 23...

.HURRICANE WILLA...NUMEROUS STRONG WITHIN 60 NM SE AND 90 NM 
NW SEMICIRCLES SURROUNDED BY SCATTERED MODERATE TO STRONG IN 
BANDS ELSEWHERE WITHIN 180 NM NE AND 120 NM SW OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09.5N73W TO 09.5N85W TO 06.5N107W... 
WHERE IT BREAKS...THEN RESUMES FROM NEAR 15N106W TO LOW PRES 
12.5N116W TO 10N123W. ITCZ FROM 09N124W TO BEYOND 09N140W. 
WIDELY SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM N 150 NM 
S OF TROUGH FROM 78W TO 104W...AND WITHIN 120 NM S OF TROUGH 
BETWEEN 106W AND 114W. SCATTERED MODERATE TO STRONG FROM 06N TO 
10.5N BETWEEN 135W AND 141W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.