200
FZPN01 KWBC 301018
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE SEP 30 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 0600 UTC SEP 30.
24 HOUR FORECAST VALID 0600 UTC OCT 01.
48 HOUR FORECAST VALID 0600 UTC OCT 02.

.WARNINGS.

...STORM WARNING...
.LOW 48N138W 979 MB MOVING NE 10 KT. WITHIN 120 NM SW SEMICIRCLE
AND WITHIN 120 NM NE OF A FRONT FROM 49N136W TO 47N133W TO
42N133W WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 35N TO
51N BETWEEN 129W AND 152W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 49N133W 979 MB. WITHIN 180 NM NE...300 NM
SE...420 NM SW...AND 300 NM NW QUADRANTS WINDS 35 TO 45 KT. SEAS
4 TO 8 M...HIGHEST S OF CENTER. ELSEWHERE FROM 42N TO 54N BETWEEN
125W AND 144W WINDS 25 TO 35 KT. SEAS 3.5 TO 6.5 M. ALSO S OF 56N
BETWEEN 124W AND 152W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 48N129W 994 MB. WITHIN 120 NM NE...300 NM
SE...360 NM SW...AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
3 TO 5.5 M...HIGHEST S OF CENTER. ALSO S OF 55N BETWEEN 121W AND
146W WINDS TO 25 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 45N172 1007 MB MOVING E 20 KT. WITHIN 300 NM SE AND 240 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM
35N TO 49N BETWEEN 165W AND 174E WINDS 20 TO 30 KT. SEAS 2.5 TO 4
M...HIGHEST SW OF CENTER.
.24 HOUR FORECAST LOW 45N161W 1012 MB. FROM 35N TO 49N BETWEEN
158W AND 175W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 36N TO 45N BETWEEN 150W
AND 161W WINDS LESS THAN 25 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW W OF AREA NEAR 44N159E 991 MB MOVING NE 30 KT. FROM 36N TO
48N W OF 172E WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 49N177E 996 MB. FROM 38N TO 52N BETWEEN
176W AND 167E WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM
35N TO 51N W OF 177W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 47N168W 998 MB.
WITHIN 180 NM W OF A LINE FROM 48N169W TO 43N175W TO 41N172W
WINDS 35 TO 45 KT. SEAS 4 TO 7.5 M. ELSEWHERE FROM 36N TO 51N
BETWEEN 164W AND 178W WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ALSO FROM
34N TO 51N BETWEEN 166W AND 167E WINDS 20 TO 30 KT. SEAS 2.5 TO 4
M.

...GALE WARNING...
.LOW NW OF AREA NEAR 62N174E 985 MB MOVING NE 15 KT. N AND NW OF
A LINE FROM 49N174E TO 54N175W TO 63N172W WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.06 HOUR FORECAST LOW NW OF AREA NEAR 62N175E 987 MB. N OF 53N W
OF 171W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW NW OF AREA NEAR 64N176E 980 MB. N OF 56N W
OF 165W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 59N164W 997 MB. WITHIN 360 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 54N TO 62N
BETWEEN 159W AND 179E WINDS LESS THAN 25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 41N153W 1001 MB.
FROM 37N TO 45N W OF 164E WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.LOW 53N142W 993 MB MOVING SE 10 KT. FROM 51N TO 58N E OF 150W
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 49N133W
DESCRIBED IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM S OF A
LINE FROM 46N172W TO 46N165W AND WITHIN 60 NM E OF A LINE FROM
58N180W TO 56N177E TO 55N177E.
.24 HOUR FORECAST DENSE FOG WITHIN 60 NM S OF A LINE FROM 46N163W
TO 46N159W AND FROM 46N TO 50N BETWEEN 179E AND 173E.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 50N BETWEEN 154W AND 162W
AND FROM 46N TO 49N BETWEEN 166W AND 170W.

.FORECASTER HYDE. 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 0600 UTC TUE SEP 30.
24 HOUR FORECAST VALID 0600 UTC WED OCT 1.
48 HOUR FORECAST VALID 0600 UTC THU OCT 2.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FIFTEEN-E NEAR 9.4N 113.2W 1005 MB AT 0900
UTC SEP 30 MOVING WNW OR 295 DEG AT 4 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 11N106W TO 11N113W TO 09N115W TO
07N114W TO 06N110W TO 09N106W TO 11N106W SW WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 9.8N 113.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 10.8N 114.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM OF CENTER EXCEPT 0 NM SW QUADRANT. SEAS 4 M OR
GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO
4 M. ELSEWHERE WITHIN 10N107W TO 13N107W TO 12N112W TO 06N116W
TO 07N110W TO 10N107W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.48 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 12.6N 114.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER WITH
SEAS TO 4.5 M. ELSEWHERE WITHIN 12N109W TO 13N111W TO 08N115W TO
07N115W TO 07N113W TO 08N111W TO 12N109W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M.

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.

.WITHIN 30N132W TO 30N138W TO 29N140W TO 25N140W TO 27N137W TO
30N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 29N140W TO
30N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N126W TO 30N140W TO 25N138W TO
27N132W TO 30N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.

.REMNANT LOW OF NARDA NEAR 21.5N124.5W 1009 MB. WITHIN 23N126W
TO 23N128W TO 21N128W TO 20N127W TO 20N125W TO 23N126W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST REMNANT LOW OF NARDA DISSIPATING NEAR 21.5N126W
1010 MB. WITHIN 23N127W TO 24N127W TO 25N127W TO 23N129W TO
22N129W TO 20N127W TO 23N127W WINDS 20 KT OR LESS. SEAS 2.5 M IN
NW SWELL.
.36 HOUR FORECAST REMNANT LOW OF NARDA DISSIPATED. CONDITIONS
IMPROVE. 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 0700 UTC TUE SEP 30...

.TROPICAL DEPRESSION FIFTEEN-E...SCATTERED MODERATE ISOLATED
STRONG FROM 07N TO 12N BETWEEN 112W AND 112W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 14N103W TO TROPICAL DEPRESSION
FIFTEEN-E TO 06N113W...THEN RESUMES SSE OF REMNANT LOW OF NARDA
FROM 13.5N123W TO 11N131W. ITCZ FROM 11N131W TO BEYOND 10N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 05.5N TO 11N BETWEEN 87W
AND 93W. SCATTERED MODERATE FROM 03.5N TO 06N BETWEEN 77W AND
81W...AND FROM 08N TO 14.5N BETWEEN 95W AND 106W.

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

$$