North Pacific High Seas Forecast

FZPN01 KWBC 101549 CCA
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1630 UTC SAT OCT 10 2026 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). 

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH 
PACIFIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG 
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO 
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR 
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND 
ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS 
WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE 
CONTINUITY WHERE APPROPRIATE. 

SECURITE 

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT 
TO 53N172E TO 50N180W TO 30N180W 

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 

SYNOPSIS VALID 1200 UTC OCT 10. 
24 HOUR FORECAST VALID 1200 UTC OCT 11. 
48 HOUR FORECAST VALID 1200 UTC OCT 12. 

.WARNINGS. 

...TROPICAL STORM WARNING... 
.TROPICAL STORM RACHEL NEAR 25.5N 119.6W 992 MB AT 1500 UTC OCT 
10 MOVING NE OR 055 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N 
SEMICIRCLE...AND 130 NM SE AND 100 NM SW QUADRANTS. SEAS 4 M OR 
GREATER WITHIN 180 NM S SEMICIRCLE...60 NM NE AND 90 NM NW 
QUADRANTS WITH SEAS TO 7 M. ELSEWHERE CONDITIONS S OF AREA AND 
DESCRIBED IN PART TWO BELOW. 
.24 HOUR FORECAST POST-TROPICAL RACHEL INLAND NEAR 33.0N 115.3W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE...140 NM SE...40 NM SW...AND 30 NM NW 
QUADRANTS. SEAS 4 M OR GREATER S OF 31N E OF 118W AND ALSO AND 
DESCRIBED IN PART II BELOW.
.36 HOUR FORECAST POST-TROPICAL RACHEL INLAND NEAR 38.5N 112.5W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 50 KT. 
.48 HOUR FORECAST POST-TROPICAL RACHEL DISSIPATED INLAND. 

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

...GALE WARNING...
.LOW 50N172W 1003 MB MOVING NE 35 KT WILL TURN E AND SLOW AFTER 
24 HOURS. WITHIN 420 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. 
SEAS 4 TO 7 M. ELSEWHERE FROM 42N TO 51N W OF 167W WINDS 20 TO 
30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 60N149W 1000 MB. WITHIN 240 MM E AND NE 
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 48N 
TO 61N BETWEEN 138W AND 150W WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 60N146W 1004 MB. FROM 52N TO 59N BETWEEN 
142W AND 155W WINDS TO 25 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 51N155W 1014 MB MOVING NE 15 KT. N OF 59N BETWEEN 151W AND 
154W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 47N TO 61N 
BETWEEN 147W AND 157W WINDS TO 25 KT. SEAS TO 3 M. 
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH 
LOW 60N149W ABOVE.

...GALE WARNING...
.FROM 37N TO 41N BETWEEN 123W AND 127N N WINDS 25 TO 35 KT. SEAS 
3 TO 4 M. ELSEWHERE FROM 30N TO 53N BETWEEN 120W AND 138W N TO 
NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST FROM 35N TO 42N BETWEEN 121W AND 129W N TO NW 
WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 30N TO 47N 
BETWEEN 118W AND 140W N TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 
M. 
.48 HOUR FORECAST NEW LOW TO FORM NEAR 36N123W 1008 MB. FROM 31N 
TO 44N BETWEEN 122W AND 132W N TO NW WINDS 20 TO 30 KT. SEAS 2.5 
TO 5 M.

.SYNOPSIS AND FORECAST. 

.LOW 60N179W 976 MB MOVING NE 10 KT. FROM 51N TO 65N W OF 162W 
OVER THE BERING SEA WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 61N173W 982 MB. FROM 43N TO 62N W OF 150W 
WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 64N169W 992 MB. N OF 58N W OF 171W WINDS 
TO 25 KT. SEAS TO 3 M.

.LOW S OF AREA 27N169W 1006 MB DRIFTING NE. FROM 30N TO 39N W OF 
155W WINDS TO 25 KT. SEAS TO 3.5 M. 
.24 HOUR FORECAST LOW S OF AREA. FROM 30N TO 40N W OF 158W WINDS 
TO 25 KT. SEAS TO 3.5 M. 
.48 HOUR FORECAST LOW JUST S OF AREA WITH A NEW LOW TO FORM NEAR 
41N155W 1010 MB. FROM 30N TO 43N W OF 152W WINDS 20 TO 30 KT. 
SEAS 2.5 TO 4 M. HIGHEST CONDITIONS NEAR 35N165W.

.48 HOUR FORECAST FROM 45N TO 57N W OF 157W W TO NW WINDS 20 TO 
30 KT. SEAS TO 3.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 64N W OF 
ALASKA...WITHIN 120 NM OF THE S COAST OF ALASKA BETWEEN 143W AND 
160W...AND FROM 40N TO 50N BETWEEN 145W AND 163W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM OF S COAST OF ALASKA 
BETWEEN 137W AND 151W...AND FROM 42N TO 52N BETWEEN 142W AND 
157W.
.48 HOUR FORECAST DENSE FOG N OF 64N W OF ALASKA...WITHIN 120 NM 
OF THE S COAST OF ALASKA BETWEEN 136W AND 152W...AND WITHIN AN 
AREA BOUNDED BY A LINE FROM 38N155W TO 49N137W TO 51N140W TO 
44N157W TO 38N159W TO 38N155W.

.FORECASTER MILLS. 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 SAT OCT 10.
24 HOUR FORECAST VALID 1200 UTC SUN OCT 11.
48 HOUR FORECAST VALID 1200 UTC MON OCT 12.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE SIMON NEAR 17.4N 104.8W 938 MB AT 1500 UTC OCT 10 
MOVING N OR 350 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 130 KT 
GUSTS 160 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N 
SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 
120 NM OF CENTER EXCEPT 150 NM SE QUADRANT WITH SEAS TO 10.0 M. 
ELSEWHERE FROM 14N TO 19N BETWEEN 101 AND 109W WINDS 20 TO 33 
KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 11N TO 20N 
BETWEEN 101W AND 112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.
.24 HOUR FORECAST HURRICANE SIMON NEAR 19.1N 105.2W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 50 NM 
SW QUADRANT. SEAS 4 M OR GREATER FROM 15N TO 19N BETWEEN 102W 
AND 106W WITH SEAS TO 9.5 M. ELSEWHERE OVER FORECAST WATERS FROM 
14N TO 20N BETWEEN 101W AND 107W WINDS 20 TO 33 KT. SEAS 3.0 TO 
4.0 M. REMAINDER OF THE AREA FROM 11N TO 21N BETWEEN 101W AND 
111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM SIMON INLAND NEAR 21.7N 105.4W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM OF CENTER EXCEPT 30 NM SW QUADRANT. OVER 
FORECAST WATERS FROM 18N TO 20N BETWEEN 104W AND 106W WITH SEAS 
TO 7.0 M.ELSEWHERE OVER FORECAST WATERS FROM 17N TO 21N BETWEEN 
102W AND 107W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF 
THE AREA FROM 15N TO 21N BETWEEN 102W AND 109W WINDS 20 KT OR 
LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.

...TROPICAL STORM WARNING...
.TROPICAL STORM RACHEL NEAR 25.5N 119.6W 992 MB AT 1500 UTC OCT 
10 MOVING NE OR 055 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N 
SEMICIRCLE...130 NM SE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M 
OR GREATER WITHIN 180 NM S SEMICIRCLE...60 NM NE QUADRANT AND 90 
NM NW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE FROM 21N TO 27N 
BETWEEN 117W AND 124W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. 
REMAINDER OF THE AREA FROM 18N TO 27N BETWEEN 117W AND 128W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL RACHEL N OF AREA NEAR 33.0N 
115.3W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 65 KT. TROPICAL 
STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...140 NM SE 
QUADRANT...40 NM SW QUADRANT...AND 30 NM NW QUADRANT. OVER 
FORECAST WATERS N OF 26N BETWEEN 114W AND 118W WINDS 20 KT OR 
LESS. SEAS 4.0 TO 4.5 M IN MIXED SWELL. ELSEWHERE OVER FORECAST 
WATERS N OF 18N BETWEEN 112W AND 120W WINDS 20 KT OR LESS. SEAS 
2.5 TO 3.0 M IN MIXED SWELL. 
.36 HOUR FORECAST POST-TROPICAL RACHEL NEAR 38.5N 112.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 50 KT.
.48 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.

.S OF 00N W OF 106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S 
TO SW SWELL.
.24 HOUR FORECAST S OF 00N W OF 112W WINDS 20 KT OR LESS. SEAS 
2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 105W AND 112W...AND S OF 02N 
BETWEEN 112W AND 120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
S TO SW SWELL.

.N OF 18N BETWEEN 128W AND 138W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M PRIMARILY IN NW SWELL. 
.24 HOUR FORECAST N OF A KINE FROM 28N120W TO 22N131W TO 26N140W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST N OF A LINE FROM 30N116W TO 25N120W TO 22N128W 
TO 24N140W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M PRIMARILY IN 
NW SWELL. 

.12 HOUR FORECAST GULF OF CALIFORNIA N OF 27N S TO SW WINDS 20 
TO 25 KT. SEAS LESS THAN 2.5 M. 
.18 HOUR FORECAST GULF OF CALIFORNIA N OF 27N S TO SW WINDS 20 
TO 30 KT WITH HIGHER GUSTS. SEAS BUILDING TO 2.5 M N OF 30N.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 28N S TO SW WINDS 20 
TO 30 KT WITH HIGHER GUSTS. SEAS 2.5 TO 3.0 M N OF 30N. 
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 30N SW WINDS 20 TO 25 
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1500 UTC SAT OCT 10...

.HURRICANE SIMON...NUMEROUS MODERATE SCATTERED STRONG WITHIN 60 
NM N AND 90 NM S SEMICIRCLES OF CENTER. SCATTERED MODERATE 
ISOLATED STRONG ELSEWHERE FROM 13N TO 21N BETWEEN 101W AND 108W. 

.T.S. RACHEL...SCATTERED MODERATE ISOLATED STRONG FROM 27N TO 
30N E OF 121W.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 08N82W TO 10N97W...THEN RESUMES 
NEAR 13N120W TO BEYOND 10N140W. IN ADDITION TO THE CONVECTION 
ASSOCIATED WITH RACHEL AND SIMON...SCATTERED MODERATE AND 
ISOLATED STRONG CONVECTION IS NOTED FROM 02N TO 10N E OF 130W TO 
THE COAST OF COLOMBIA...AND FROM 01N TO 11N W OF 130W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.