High Seas Forecast
Issued by NWS

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142
FZPN02 KWBC 050525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN OCT 05 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 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 05.
24 HOUR FORECAST VALID 0000 UTC OCT 06.
48 HOUR FORECAST VALID 0000 UTC OCT 07.

.WARNINGS.

...STORM WARNING...
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N163E 999 MB.
FROMT TO EXTEND FROM 57N180W TO LOW CENTER. WITHIN 300 NM E OF
FRONT AND FROM 38N TO 46N W OF 168E WINDS 25 TO 40 KT. SEAS 2.5
TO 5.5 M..HIGHEST NEAR 51N175E.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N171E 990 MB.
WITHIN 300 NM SE AND E QUADRANTS WINDS 35 TO 50 KT. SEAS 3.5 TO
6 M. ELSEWHERE WITHIN 360 NM E OF A FRONT FROM 58N176W TO LOW
CENTER TO 45N169E AND W OF A LINE FROM 45N169E TO 33N163E WINDS
25 TO 40 KT. SEAS 2.5 TO 5.5 M...HIGHEST NEAR 54N177W.

...GALE WARNING...
.LOW 60N179E 970 MB MOVING NE 05 KT. WITHIN 240 NM S QUADRANT 30
TO 45 KT. SEAS 4.5 TO 6 M. ALSO N OF 53N W OF 173W WINDS 25 TO
35 KT. SEAS 3 TO 6 M...HIGHEST NEAR 54N174E. ELSEWHERE N OF 51N
W OF 164W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 62N177W 987 MB. FROM 56N TO 62N W OF 173W
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 57N179W.
ELSEWHERE WITHIN 180 NM E AND SE SEMICIRCLES AND FROM 46N TO 59N
BETWEEN 170W AND 178E WINDS 20 TO 30 KT. SEAS 3 TO 5 M...HIGHEST
NEAR 54N172W.
.48 HOUR FORECAST LOW N OF AREA. CONDITIONS DESCRIBED BY LOW
61N175E IN GALE WARNING BELOW.

...GALE WARNING...
.LOW 58N158W 1001 MB MOVING NE 10 KT. WITHIN 120 NM N OF A LINE
FROM 58N153W TO 59N147W TO 58N143W WINDS 25 TO 35 KT. SEAS TO 3
M. ELSEWHERE FROM 46N TO 59N BETWEEN 142W AND 157W WINDS 20 TO
30 KT. SEAS TO 3 M... HIGHEST NEAR 48N155W.
.24 HOUR FORECAST LOW DISSIPATED INLAND...WITH ASSOCIATED
CONDITIONS AS DESCRIBED WITH LOW 58N158W BELOW.

...GALE WARNING...
.LOW 52N169W 999 MB MOVING NE 20 KT. FROM 42N TO 53N W OF 167W
WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 47N174W.
ELSEWHERE FROM 36N TO 46N BETWEEN 157W AND 160E WINDS TO 25 KT.
SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 58N158W 995 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5 M...HIGHEST NEAR
52N160W. ELSEWHERE N OF A LINE FROM 54N135W TO 46N159W TO
45N164W AND FROM 45N TO 59N BETWEEN 164W AND 170W WINDS 20 TO 30
KT. SEAS TO 4.5 M...HIGHEST S OF 55N.
.48 HOUR FORECAST LOW 59N145W 1001 MB. FROM 52N TO 60N BETWEEN
139W AND 157W WINDS 25 TO 35 KT. SEAS 2.5 TO 6 M...HIGHEST S OF
CENTER. ELSEWHERE N OF 48N BETWEEN 137W AND 169W WINDS 20 TO 30
KT. SEAS TO 4 M.

...GALE WARNING...
.12 HOUR FORECAST LOW NW OF AREA NEAR 52N160E 995 MB. WITHIN 480
NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 55N165E 986 MB. FROM 46N TO 56N BETWEEN
177E AND 163E WINDS 25 TO 40 KT. SEAS 3 TO 5.5  M...HIGHEST NEAR
51N169E. ELSEWHERE EXCEPT WHERE NOTED BELOW...FROM 44N TO 57N W
177E WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW NW OF AREA 61N175E 982 MB. N OF 56N W OF
169W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 59N2180W.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 54N156E 986 MB, N OF 48N W OF
163E WINDS 25 TO 35 KT. SEAS 3 TO 4 M.
.48 HOUR FORECAST LOW 53N166E 989 MB. EXCEPT WHERE NOTED WITH
STORM WARNING ABOVE...FROM 43N TO 52N W OF 169E WINDS 25 TO 40
KT, SEAS 3 TO 5 M.

.SYNOPSIS AND FORECAST.

.E OF A LINE FROM 42N125W TO 38N129W TO 31N123W AREA OF NW TO N
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST FROM 34N TO 45N BETWEEN 122W AND 133W AREA OF
 TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST FROM 37N TO 46N BETWEEN 126W AND 134W AREA OF
N WINDS TO 25 KT. SEAS TO 3 M.

.LOW 42N127W 1018 MB MOVING SE 15 KT. FROM 42N TO 53N BETWEEN
127W AND 133W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 31N TO 35N W OF 171E AREA OF E TO NE WINDS TO 25 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST FROM 35N TO 39N BETWEEN 155W AND 171E AREA OF
E TO NE WINDS TO 25 KT, SEAS TO 2,5 M.
.48 HOUR FORECAST S OF A LINE FROM 47N142W TO 37N170W AREA OF N
TO NE WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.

.ERUPTIVE ACTIVITY HAS BEEN DETECTED AT THE SHEVELUCH VOLCANO
WHICH IS LOCATED NEAR 56.39N 161.22E. TRACE AMOUNTS OF ASHFALL
ARE POSSIBLE IN THE MARINE AREAS NEAR THE VOLCANO EXTENDING TO
NEAR 54N170E. 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 42N TO 54N
BETWEEN 144W AND 158W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 59N BETWEEN 137W AND
152W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.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 120W

SYNOPSIS VALID 0000 UTC SUN OCT 5.
24 HOUR FORECAST VALID 0000 UTC MON OCT  6.
48 HOUR FORECAST VALID 0000 UTC TUE OCT  7.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM PRISCILLA NEAR 15.6N 106.7W 1000 MB AT 0300 UTC
OCT 05 MOVING NW OR 325 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 40
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...0 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW
QUADRANT.  SEAS 4 M OR GREATER WITHIN 90 NM N SEMICIRCLE AND 75
NM S SEMICIRCLE WITH SEAS TO 6.0 M. ELSEWHERE WITHIN 18N103W TO
20N106W TO 16N110W TO 09N111W TO 09N104W TO 11N100W TO
18N103W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.
SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST TROPICAL STORM PRISCILLA NEAR 16.6N 107.1W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 200 NM NE QUADRANT...110 NM SE QUADRANT...120 NM SW
QUADRANT...AND 140 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180
NM N SEMICIRCLE AND 330 NM S SEMICIRCLE WITH SEAS TO 8.0 M.
ELSEWHERE WITHIN 15N99W TO 21N106W TO 20N112W TO 13N115W TO
08N104W TO 12N99W TO 15N99W...INCLUDING NEAR CABO CORRIENTES...
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M.
.36 HOUR FORECAST HURRICANE PRISCILLA NEAR 17.4N 107.8W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE PRISCILLA NEAR 18.4N 108.8W.
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM S SEMICIRCLE...190 NM NE QUADRANT AND 150 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM N SEMICIRCLE AND
420 NM S SEMICIRCLE WITH SEAS TO 11.0 M. ELSEWHERE WITHIN
19N104W TO
21N105W TO 21N110W TO 18N112W TO 15N111W TO 15N106W TO
19N104W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.
SEAS 4.0 TO 5.5 M. WITHIN 16N98W TO 24N109W TO 24N114W TO
13N117W TO 08N111W TO 09N100W TO 16N98W...INCLUDING NEAR CABO
CORRIENTES AND THE GULF OF CALIFORNIA AND WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.

...TROPICAL STORM WARNING...
.TROPICAL STORM OCTAVE NEAR 15.4N 124.1W 997 MB AT 0300 UTC OCT
05 MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...70 NM NE QUADRANT AND 30 NM SW QUADRANT.  SEAS 4 M
OR GREATER WITHIN 75 NM OF CENTER EXCEPT 60 NM SE QUADRANT WITH
SEAS TO 6.5 M. WITHIN 16N122W TO 17N123W TO 17N126W TO 15N126W
TO
14N126W TO 14N123W TO 16N122W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M. WITHIN 19N123W TO 19N127W TO 16N129W TO 11N125W TO 08N125W TO
11N121W TO 19N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 16.2N 123.2W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
75 NM E SEMICIRCLE AND 150 W SEMICIRCLE WITH SEAS TO 6.0 M.
WITHIN 17N121W TO 18N122W TO 17N125W TO 15N125W TO 14N123W TO
16N121W TO 17N121W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M. WITHIN
18N122W TO 19N127W TO 16N130W TO 10N125W TO 12N120W TO 18N122W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 16.1N 121.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM SW SEMICIRCLE AND 0
NM NE SEMICIRCLE WITH SEAS TO 4.5 M. WITHIN 17N120W TO 18N121W
TO 17N122W TO 16N123W TO 15N122W TO 15N120W TO 17N120W WINDS 20
TO 33 KT. SEAS 2.5 TO 4.5 M. WITHIN 18N121W TO 19N124W TO 14N126W
TO 11N124W TO 13N118W TO 18N121W WINDS 20 KT OR LESS. SEAS 2.5
TO 4.5 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.

.SYNOPSIS AND FORECAST.

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

CONVECTION VALID AT 0350 UTC SUN OCT 5...

.TROPICAL STORM PRISCILLA...NUMEROUS MODERATE TO STRONG FROM 13N
TO 20N BETWEEN 104W AND 111W. SCATTERED MODERATE TO STRONG IN
SPIRAL BANDS ELSEWHERE FROM 10N TO 21N BETWEEN 99W AND 113W.

.TROPICAL STORM OCTAVE...NUMEROUS MODERATE TO STRONG FROM 13N TO
17N BETWEEN 122W AND 126W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 08N78W TO 09N91W TO 13N100W,
THEN RESUMES SW OF OCTAVE FROM 12N128W TO 10N140W. SCATTERED
MODERATE TO ISOLATED STRONG FROM 04N TO 15N BETWEEN 79W AND 95W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC OCT 05 2025.
24 HOUR FORECAST VALID 0000 UTC OCT 06 2025.
48 HOUR FORECAST VALID 0000 UTC OCT 07 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N155W 27N159W 26N164W MOVING E SLOWLY. TROUGH 26N159W
21N162W NEARLY STATIONARY. SEAS 2.5 TO 3 M N OF LINE 30N168W
25N173W 23N163W 30N151W. ISOLATED MODERATE TSTMS N OF 28N BETWEEN
156W AND 153W.
.24 HOUR FORECAST FRONT MERGED WITH TROUGH. FRONT 30N153W 25N157W
THENCE TROUGH 24N168W. SEAS SUBSIDED TO 8 FT OR LOWER.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N161W 20N154W.

.TROUGH 25N140W 16N141W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 25N144W 17N146W.
.48 HOUR FORECAST TROUGH 26N145W 19N147W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 10N140W 08N160W 10N170W 07N175E 07N164E. SCATTERED MODERATE
TSTMS WITHIN 180 NM OF ITCZ W OF 158W AND WITHIN 90 NM OF ITCZ E
OF 158W.

.SCATTERED MODERATE TSTMS FROM 15N TO 09N W OF 165E. ISOLATED
MODERATE TSTMS FROM 27N TO 24N BETWEEN 170E AND 176E AND FROM 20N
TO 16N W OF 168E.

$$

.FORECASTER TROTTER. HONOLULU HI.