FZPN02 KWBC 170525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT OCT 17 2026 

CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 17. 
24 HOUR FORECAST VALID 0000 UTC OCT 18. 
48 HOUR FORECAST VALID 0000 UTC OCT 19. 

.WARNINGS. 

...STORM WARNING... 
.LOW 43N167W 1004 MB MOVING NE 30 KT. WITHIN 180 N NE AND 300 NM 
SE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE 
WITHIN 240 NM NE...300 NM NW...660 NM SW AND S AND 360 NM SE 
QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 45N150W 1009 MB. WITHIN 300 NM S AND SE 
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 37N 
TO 47N BETWEEN 144W AND 162W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 
M...HIGHEST S AND SW OF LOW.
.42 HOUR FORECAST LOW 46N139W 1003 MB. WITHIN 180 NM W AND SW 
QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M.
.48 HOUR FORECAST LOW 46N136W 1003 MB. WITHIN 240 NM W AND SW 
QUADRANTS WINDS 35 TO 50 KT. SEAS 4.5 TO 8 M. ELSEWHERE FROM 42N 
TO 49N BETWEEN 133W AND 145W WINDS 25 TO 40 KT. SEAS 3 TO 6.5 
M...HIGHEST SW OF LOW.

...GALE WARNING... 
.LOW 57N148W 986 MB MOVING NE 10 KT. WITHIN 540 NM S AND 360 NM 
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M... HIGHEST 
NEAR 50N151W. ELSEWHERE N OF A LINE FROM 42N138W TO 54N165W TO 
57N169W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. 
.24 HOUR FORECAST LOW 59N141W 998 MB. WITHIN 120 NM NE...480 NM 
SE...600 NM S AND 540 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 
2.5 TO 4.5 M...HIGHEST S OF LOW. ALSO FROM 38N TO 49N BETWEEN 
127W AND 144W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4.5 M IN MIXED 
SWELL.
.48 HOUR FORECAST LOW 59N142W 1010 MB. WITHIN 420 NM S AND SW 
QUADRANTS WINDS LESS THAN 25 KT. SEAS TO 2.5 M.

...GALE WARNING...
.30 HOUR FORECAST LOW 43N180W 1007 MB. WITHIN 240 NM SE QUADRANT 
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 49N169W 1005 MB. WITHIN 240 NM SE OF A 
FRONT FROM LOW TO 41N180W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 51N134W 1006 MB MOVING NE 20 KT. WITHIN 540 NM S AND 360 SE 
QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. 
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM SW OF 
A LINE FROM 56N173W TO 61N178W...AND FROM 43N TO 45N BETWEEN 
165W AND 169W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM N OF A LINE FROM 
62N168W TO 63N175W. 
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM N OF A LINE FROM 
58N161W TO 64N174W...AND FROM 44N TO 52N BETWEEN 162W AND 171W.

.FORECASTER BANCROFT. 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 120WSYNOPSIS VALID 0000 UTC SAT OCT 17.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 18.
48 HOUR FORECAST VALID 0000 UTC MON OCT 19.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE TRUDY NEAR 15.2N 102.5W 979 MB AT 0300 UTC OCT 17
MOVING N OR 350 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS
100 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM S 
SEMICIRCLE...120
NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER 
WITHIN 150 NM NE AND SW QUADRANTS...180 NM NW QUADRANT AND 120 NM
SE QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 17N100W TO 
17N102W TO 17N104W TO 16N105W TO 14N104W TO 14N101W TO 17N100W 
WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 
17N100W TO 20N107W TO 16N110W TO 11N109W TO 09N103W TO 11N99W TO 
17N100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE TRUDY NEAR 17.7N 104.4W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER 90 NM NE 
QUADRANT...210 NM NW QUADRANT...AND 150 NM S SEMICIRCLE WITH SEAS
TO 11 M. ELSEWHERE WITHIN 18N103W TO 19N105W TO 19N106W TO 
17N106W TO 16N104W TO 17N103W TO 18N103W WINDS 20 TO 30 KT. SEAS 
3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 17N100W TO 22N112W TO 
10N119W TO 03N104W TO 17N100W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE TRUDY NEAR 20.0N 106.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER 60 NM E 
SEMICIRCLE 90 NM W SEMICIRCLE WITH SEAS TO 7.5 M. ELSEWHERE 
WITHIN 21N106W TO 21N107W TO 20N107W TO 20N106W TO 21N105W TO 
21N106W WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA 
WITHIN 22N106W TO 22N108W TO 21N109W TO 19N108W TO 18N106W TO 
19N105W TO 22N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.

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

...GALE WARNING...
.WITHIN 16N93W TO 16N95W TO 16N96W TO 14N95W TO 14N94W TO
16N93W...INCLUDING THE GULF OF TEHUANTEPEC...NW WINDS 20 TO 30 
KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
30 TO 40 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 16N94W TO 16N95W
TO 15N96W TO 11N96W TO 11N95W TO 12N93W TO 16N94W N WINDS 20 TO 
30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 13N95W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
30 TO 45 KT. SEAS 4.0 TO 5.0 M. ELSEWHERE WITHIN 14N93W TO 16N94W
TO 16N95W TO 12N97W TO 11N95W TO 12N94W TO 14N93W N WINDS 20 TO 
30 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 13N92W TO 
15N93W TO 16N96W TO 13N97W TO 09N97W TO 11N93W TO 13N92W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE 
WITHIN 15N93W TO 16N95W TO 16N96W TO 10N98W TO 09N97W TO 13N94W 
TO 15N93W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. REMAINDER
OF AREA WITHIN 11N91W TO 16N93W TO 15N96W TO 09N100W TO 06N99W 
TO 07N93W TO 11N91W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N 
SWELL.

.SYNOPSIS AND FORECAST.

.REMNANTS OF SIMON NEAR 22N101W 1005 MB. WITHIN 23N109W TO 
24N110W TO 24N112W TO 23N113W TO 21N111W TO 22N109W TO 23N109W 
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. 
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 10N110W TO 19N140W TO 03.4S120W TO 03N115W TO 03.4S91W
TO 10N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW 
SWELL.
.24HOUR FORECAST WITHIN 13N114W TO 14N140W TO 09N140W TO 
03.4S120W TO 03.4S84W TO 13N114W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 01N102W TO 07N109W TO 08N114W TO 
00N122W TO 03.4S120W TO 03.4S93W TO 01N102W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN S SWELL.

.12 HOUR FORECAST WITHIN 29N135W TO 30N134W TO 30N140W TO 
25N140W TO 29N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW 
SWELL.
.24 HOUR FORECAST WITHIN 27N130W TO 30N128W TO 30N140W TO 
15N140W TO 15N139W TO 25N136W TO 27N130W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N123W TO 30N140W TO 22N140W TO 
26N128W TO 30N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW 
SWELL.

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

CONVECTION VALID AT 0300 UTC SAT OCT 17...

.HURRICANE TRUDY...NUMEROUS MODERATE SCATTERED STRONG FROM 13N 
TO 18N BETWEEN 100W AND 106W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 11N94W...FROM 10N101W TO 05N129W. 
ITCZ FROM 04N129W TO BEYOND 06N140W. SCATTERED MODERATE ISOLATED
STRONG S OF 09N E OF 91W. NUMEROUS MODERATE SCATTERED STRONG 
CONVECTION FROM 01N TO 08N BETWEEN 105W AND 122W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 0000 UTC OCT 17 2026.
24 HOUR FORECAST VALID 0000 UTC OCT 18 2026.
48 HOUR FORECAST VALID 0000 UTC OCT 19 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 07N172W 1006 MB MOVING W 10 KT. TROUGH FROM 10N164W TO 
09N169W
TO LOW TO 03N176W TO 03N180W MOVING W SLOWLY. SCATTERED MODERATE 
TO
STRONG TSTMS WITHIN 270 NM OF TROUGH AND LOW.
.24 HOUR FORECAST LOW MOVED W OF AREA. TROUGH FROM 10N172W TO 
05N180W.
.48 HOUR FORECAST TROUGH 09N180W 06N180W.

.FRONT 30N148W 28N151W THENCE TROUGH 24N158W. FRONT NEARLY
STATIONARY AND TROUGH MOVING W 10 KT. WINDS 20 TO 25 KT WITHIN
150 NM OF FRONT AND TROUGH.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH. TROUGH 30N152W
25N161W. WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 30N151W 28N160W 27N169W.

.TROUGH 30N176W 26N178W 19N180W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 22N141W 15N141W MOVING WSW 10 KT.
.24 HOUR FORECAST TROUGH 20N146W 14N144W.
.48 HOUR FORECAST TROUGH 19N153W 14N148W.

.TROUGH 09N146W 06N148W 03N150W MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM W OF TROUGH.
.24 HOUR FORECAST TROUGH 09N156W 06N152W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 23N TO 16N BETWEEN 161W AND 154W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 23N TO 10N BETWEEN 173W
AND 160W...AND FROM 23N TO 17N BETWEEN 160W AND 154W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 26N TO 16N BETWEEN 165W 
AND
153W.

.SEAS 2.5 TO 3 M N OF LINE 30N160W 15N168W 12N155W 14N149W 22N150W
30N141W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N161W 23N178W 
12N177W
13N158W 19N140W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N161W 23N180W 
14N180W
12N158W 22N140W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.

.ITCZ 06N140W 07N144W...AND 06N152W 09N161W. SCATTERED MODERATE 
TSTMS
FROM 12N TO 05N BETWEEN 161W AND 151W.

.ISOLATED MODERATE TSTMS S OF 02N BETWEEN 154W AND 152W.

$$

.FORECASTER TROTTER. HONOLULU HI.