941
FZPN01 KWBC 011617
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU OCT 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 01.
24 HOUR FORECAST VALID 1200 UTC OCT 02.
48 HOUR FORECAST VALID 1200 UTC OCT 03.

.WARNINGS.

...GALE WARNING...
.LOW 51N171W 987 MB MOVING SE 05 KT. FRONT EXTENDS FROM CENTER
TO 50N163W TO 46N163W TO 44N170W TO 39N180W. WITHIN 180 NM N
SEMICIRCLE...AND WITHIN 180 NM E AND SE OF FRONT N OF 40N WINDS
25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 300 NM N
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 50N169W 992 MB WITH NEW LOW FORMED NEAR
53N157W 996 MB. FRONT EXTENDS FROM 53N154W TO 41N161W. WITHIN
180 NM E OF FRONT...ALSO WITHIN 180 NM N AND NW OF A LINE FROM
53N170W TO 54N155W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE WITHIN 300 NM E OF FRONT...AND W OF A LINE FROM
50N170W TO 45N162W TO 39N162W...AND FROM 52N TO 58N W OF 159W
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST BOTH LOWS DISSIPATED WITH NEW LOW FORMED NEAR
56N153W 993 MB. WITHIN 120 NM NW SEMICIRCLE...ALSO WITHIN 120 NM
NW OF A LINE FROM 59N148W TO 56N155W TO 53N158W WINDS 25 TO 40
KT. SEAS 2.5 TO 4.5 M. ELSEWHERE N OF 57N BETWEEN 142W AND
153W...AND WITHIN AN AREA BOUNDED BY
57N146W...50N148W...39N153W...41N142W...49N136W...56N136W...57N14
6W...AND FROM 40N TO 46N BETWEEN 156W AND 166W WINDS 20 TO 30
KT. SEAS TO 3 M.

...GALE WARNING...
.48 HOUR FORECAST WITHIN 240 NM N AND 120 NM NE OF A LINE FROM
54N180W TO 52N178W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE
FROM 41N TO 60N W OF 173W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 60N149W 1005 MB NEARLY STATIONARY. FROM 58N TO 60N BETWEEN
147W AND 154W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.FROM 33N TO 43N BETWEEN 124W AND 129W WINDS TO 25 KT. SEAS TO 3
M.
.24 HOUR FORECAST FROM 35N TO 43N BETWEEN 124W AND 128W WINDS 20
TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 34N TO 43N BETWEEN 124W AND 128W WINDS TO
25 KT. SEAS TO 2.5 M.

.LOW 47N139W 1007 MB MOVING E 15 KT. FROM 43N TO 50N BETWEEN
135W AND 143W...ALSO FROM 47N TO 49N BETWEEN 128W AND 138W WINDS
TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 48N130W 1012 MB. FROM 43N TO 51N BETWEEN
128W AND 135W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.LOW 37N150W 1010 MB MOVING NE 10 KT. FROM 33N TO 40N BETWEEN
147W AND 154W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 39N148W. WINDS LESS THAN 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 53N W
OF 178W...AND FROM 44N TO 46N BETWEEN 164W AND 168W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF LINE FROM
51N153W TO 48N157W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 51N BETWEEN 138W AND
144W...ALSO FROM 51N TO 56N BETWEEN 146W AND 150W...AND WITHIN
120 NM E AND S OF A LINE FROM 47N177W TO 43N178E.

.FORECASTER SHAW. 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 THU OCT 01.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 02.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 03.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE RACHEL NEAR 19.6N 109.6W 964 MB AT 1500 UTC OCT 01
MOVING
WNW OR 295 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110
KT.
TROPICAL STORM FORCE WINDS WITHIN 130 NM NW AND SE
QUADRANTS...120
NM NE QUADRANT AND 110 NM SW QUADRANT.SEAS 4 M OR GREATER
WITHIN
180 NM W SEMICIRCLE...210 NM NE QUADRANT AND 300 NM SE QUADRANT
WITH
SEAS TO 11 M. FROM 15N TO 22N BETWEEN 105W AND 112W WINDS 20 TO
33
KT. SEAS 8 TO 12 FT FROM 10N TO 23N BETWEEN 104W AND 114W.
.24 HOUR FORECAST HURRICANE RACHEL NEAR 19.8N 110.8W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM OF CENTER EXCEPT 120 NM NE QUADRANT. SEAS 4 M OR
GREATER WITHIN 180 NM OF CENTER EXCEPT 240 NM N E QUADRANT WITH
SEAS
TO 11.5 M. FROM 15N TO 23N BETWEEN 105W AND 114W WINDS 20 TO 33
KT.
SEAS 8 TO 12 FT FROM 10N TO 25N BETWEEN 101W AND 117W.
.48 HOUR FORECAST HURRICANE RACHEL NEAR 20.1N 112.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM S SEMICIRCLE...110 NM NE QUADRANT AND 100 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER EXCEPT 240
NM
N E QUADRANT WITH SEAS TO 12 M. FROM 16N TO 23N BETWEEN 107W AND
115W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT FROM 10N TO 25N BETWEEN
100W AND 120W.

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.

.TROPICAL DEPRESSION NINETEEN-E NEAR 15.2N 123.3W 1006 MB AT
1500
UTC OCT 01 MOVING E OR 090 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS
25
KT GUSTS 35 KT. WITHIN 90 NM S SEMICIRCLE WINDS 20 TO 25 KT.
SEAS
2.5 TO 3.0 M.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW NINETEEN-E NEAR
15.1N
121.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM
SW
QUADRANT WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 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.

.FROM 13N TO 15.5N BETWEEN 93.5W AND 98W...INCLUDING THE GULF OF
TEHUANTEPEC...W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST S OF 00N W OF 109W WINDS 20 KT OR LESS. SEAS
2.5
TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

CONVECTION VALID AT 1500 UTC THU OCT 1...

.HURRICANE RACHEL...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF
CENTER.

.T.D. NINETEEN-E...SCATTERED MODERATE WITHIN 90 NM S SEMICIRCLE.

.TROPICAL WAVE NEAR 90W...SCATTERED MODERATE ISOLATED STRONG
FROM
02N TO 10N BETWEEN 80W AND 96W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 12N86W TO 17N100W...THEN RESUMES
W
OF T.D. NINETEEN-E NEAR 11N126W TO BEYOND 05N140W. IN ADDITION
TO
THE CONVECTION ASSOCIATED WITH RACHEL AND T.D. NINETEEN-E...
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION CAN BE FOUND
FROM
10N TO 14N BETWEEN 110W AND 125W...AND FROM 00N TO 10N W OF 120W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.