North Pacific High Seas Forecast

Hurricane Warnings in Effect
North Pacific High Seas Forecast

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FZPN01 KWBC 240404
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN OCT 24 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC OCT 24. 
24 HOUR FORECAST VALID 0000 UTC OCT 25.
48 HOUR FORECAST VALID 0000 UTC OCT 26.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 44N139W 964 MB MOVING NE 25 KT AND
RAPIDLY INTENSIFYING. WITHIN 240 NM W AND SW QUADRANTS WINDS 50
TO 65 KT. SEAS 21 TO 32 FT. ALSO WITHIN 360 NM S AND SE...300 NM
SW...AND 480 NM W AND NW QUADRANTS WINDS 40 TO 55 KT. SEAS 18 TO
32 FT. ELSEWHERE N OF 30N...WITHIN 300 NM NE...600 NM S AND
SE...780 NM SW...AND 840 NM W AND NW QUADRANTS WINDS 25 TO 40
KT. SEAS 15 TO 30 FT.
.12 HOUR FORECAST LOW 45N133W 943 MB. WITHIN 240 NM S AND SW 
SEMICIRCLES WINDS 55 TO 70 KT. SEAS 28 TO 48 FT.
.24 HOUR FORECAST LOW 47N131W 948 MB. WITHIN 300 NM OF LOW
CENTER...EXCEPT NW QUADRANT...WINDS 40 TO 55 KT. SEAS 24 TO 44
FT. ELSEWHERE FROM 30N TO 53N BETWEEN 121W AND 153W WINDS 25 TO
40 KT. SEAS 12 TO 42 FT...HIGHEST S AND SW QUADRANTS.
.48 HOUR FORECAST LOW 49N128W 976 MB. WITHIN 120 NM N AND 300
NM S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 13 TO 26 FT.

...HURRICANE FORCE WIND WARNING...
.LOW 46N168E 976 MB MOVING NE 40 KT. WITHIN 240 NM SE AND 120 NM
NW SEMICIRCLES WINDS 40 TO 55 KT. SEAS 16 TO 26 FT. ELSEWHERE
WITHIN 600 NM NE...660 NM SE...480 NM SW...AND 300 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.06 HOUR FORECAST LOW 48N173W 969 MB. WITHIN 180 NM S AND SE
QUADRANTS...AND 120 NM W SEMICIRCLE WINDS 50 TO 65 KT. SEAS 18
TO 32 FT.
.24 HOUR FORECAST LOW 51N174W 968 MB. WITHIN 240 NM N SEMICIRCLE
AND 300 NM S AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 28 TO 42 
FT.
ELSEWHERE WITHIN 420 NM NE...840 NM S AND SE...540 NM SW...AND
300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 39 FT...HIGHEST
S AND SW QUADRANTS.  
.48 HOUR FORECAST LOW 52N153W 974 MB. WITHIN 360 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 18 TO 33 FT. ELSEWHERE WITHIN 1140 NM S
AND SE...660 NM SW...AND 720 NM NW QUADRANTS WINDS 25 TO 40 KT. 
SEAS
9 TO 30 FT...HIGHEST SW QUADRANT.

...STORM WARNING...
.24 HOUR FORECAST LOW 46N164E 1009 MB. WITHIN 300 NM SE AND 
NW...360 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 46N180W 1002 MB. WITHIN 120 NM SW
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN
360 NM SE...AND 300 NM W AND SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 55N150W 969 MB MOVING SE 25 KT.
WITHIN 420 NM N AND NE...900 NM S AND SW...AND 780 NM W AND NW
QUADRANTS WINDS 30 TO 45 KT. SEAS 15 TO 30 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY 47N131W
ABOVE.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 35N E OF 121W AREA OF NW WINDS TO 25 KT. SEAS TO 11
FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 47N131W IN
WARNINGS SECTION ABOVE.

.24 HOUR FORECAST LOW N OF AREA NEAR 66N167W 995 MB. N OF 63N E
OF 172W AREA OF W TO NW WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW N OF AREA NEAR 66N163W 990 MB. N OF 63N E
OF 173W WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST NEW LOW 35N174E 1016 MB. FRONT TO EXTEND FROM
LOW CENTER NE TO 39N173W...AND SW TO 30N166E. WITHIN 240 NM E
AND SE OF FRONT...AND 60 NM W OF FRONT N OF LOW CENTER...AND 300 
NM
W OF FRONT S OF LOW  CENTER WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 36N170W 1015 MB. WITHIN 300 NM N OF A LINE
FROM 36N154W TO 30N170E...AND FROM 30N TO 35N W OF 170E WINDS 
20 TO 30 KT. SEAS 8 TO 15 FT.

.ERUPTIVE ACTIVITY HAS BEEN DETECTED AT THE SEMISOPOCHNOI
VOLCANO WHICH IS LOCATED NEAR 51.9N 179.6E OR 140 NM W OF ADAK 
ALASKA.
TRACE AMOUNTS OF ASHFALL ARE POSSIBLE IN THE MARINE AREAS NEAR
THE VOLCANO. MARINERS TRAVELING IN THE  VICINITY OF SEMISOPOCHNOI
ARE URGED TO EXERCISE CAUTION.  PLEASE REPORT ANY OBSERVATIONS
OF VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS TO THE OCEAN 
PREDICTION
CENTER BY CALLING 301 683 1520.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 51N
BETWEEN 180W AND 163E.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 55N BETWEEN 156W AND
180W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 60N W OF 170W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 61N W OF 166W.

.HIGH 36N121W 1015 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED. 

.HIGH 36N168W MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 34N161W 1026 MB.
.48 HOUR FORECAST HIGH 32N152W 1025 MB.

.HIGH 33N171W 1027 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 46N171W 1024 MB MOVING SE 30 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST NEW HIGH 40N167W 1019 MB.

.48 HOUR FORECAST HIGH 41N163E 1034 MB.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NWS 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 SUN OCT 24.
24 HOUR FORECAST VALID 0000 UTC MON OCT 25.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 26.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE RICK NEAR 15.3N 102.0W 978 MB AT 0300 UTC OCT 24
MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 
KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER EXCEPT 30 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER 
EXCEPT 90 NM SW QUADRANT WITH SEAS TO 25 FT. ELSEWHERE WITHIN 
13N100W TO 12N102W TO 16N104W TO 17N103W TO 17N101W TO 13N100W
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN
10N101W TO 09N106W TO 18N104W TO 17N99W TO 14N98W TO 10N101W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE RICK NEAR 16.8N 102.1W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 120 NM SW SEMICIRCLE AND 60 NM NE SEMICIRCLE WITH SEAS TO
32 FT. ELSEWHERE WITHIN 16N101W TO 16N103W TO 18N103W TO
18N102W TO 17N100W TO 16N101W WINDS 20 TO 33 KT. SEAS 10 TO 12
FT. REMAINDER OF AREA WITHIN 12N98W TO 08N106W TO 11N109W TO
20N107W TO 16N98W
TO 12N98W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM RICK INLAND NEAR 19.3N 103.2W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 0 NM N SEMICIRCLE...70 NM SE QUADRANT AND 60 NM SW 
QUADRANT. OVER FORECAST WATERS WITHIN 15N101W TO 16N104W TO 
19N104W TO 18N102W TO 17N100W TO 15N101W WINDS 20 KT OR LESS. 
SEAS 8 FT IN S TO SW SWELL.
.60 HOUR FORECAST TROPICAL DEPRESSION RICK INLAND NEAR 20.8N 
104.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.72 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.

.DISSIPATING COLD FRONT FROM 31N113W TO 29N115W TO 1016 MB LOW
PRESSURE NEAR 25N136W. WITHIN 13N124W TO 09N140W TO 30N140W TO 
30N116W TO 27N115W TO 13N124W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW TO N SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. WITHIN 12N109W TO 06N140W TO
19N140W TO 28N123W TO 20N109W TO 12N109W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 10N101W TO 07N107W TO 06N117W TO 
13N129W TO 22N115W TO 10N101W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW SWELL.

.12 HOUR FORECAST WITHIN 29N132W TO 29N137W TO 29N140W TO
30N140W TO 30N128W TO 29N132W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT APPROACHING 30N140W. WITHIN 28N133W
TO 27N140W TO 30N140W TO 30N128W TO 28N133W WINDS 20
KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL...HIGHEST NEAR 30N140W.
.48 HOUR FORECAST COLD FRONT FROM 30N120W TO 25N140W. WITHIN 
24N123W TO 20N132W TO 19N140W TO 30N140W TO 30N117W TO 24N123W 
WINDS 20 KT OR LESS. SEAS 8 TO 16 FT IN NW TO N SWELL...HIGHEST 
NEAR 30N135W.

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

CONVECTION VALID AT 0300 UTC SUN OCT 24...

HURRICANE RICK...NUMEROUS MODERATE TO SCATTERED STRONG WITHIN 
120 NM OF THE CENTER. SCATTERED MODERATE TO ISOLATED STRONG 
FROM 10N TO 16N BETWEEN 103W AND 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 11N92W...AND FROM SW OF HURRICANE 
RICK AT 13N110W TO 1010 MB LOW PRESSURE NEAR 11.5N122W TO 
10N126W. ITCZ FROM 10N126W TO BEYOND 08N140W. SCATTERED MODERATE
TO ISOLATED STRONG FROM 10N TO 12N BETWEEN 122W AND 125W. 


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$