175
FZPN02 KWBC 291725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE JUL 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 1200 UTC JUL 29.
24 HOUR FORECAST VALID 1200 UTC JUL 30.
48 HOUR FORECAST VALID 1200 UTC JUL 31.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 37N157E 1002 MB. WITHIN 360 NM
SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.30 HOUR FORECAST LOW NEAR 39N161E 1000 MB. WITHIN 300 NM E AND
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 42N173E 996 MB. FRONT FROM 46N175E TO LOW
TO 38N170E TO 36N166E TO 35N160E. WITHIN 300 NM E AND SE OF
FRONT WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 MB.

.SYNOPSIS AND FORECAST.

.LOW 43N165E 1000 MB MOVING NE 15 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 49N173E 1002 MB. WITHIN 360 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 53N177E 998 MB. WITHIN 360 NM SE...240 NM
NW AND 420 NM N QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.

.LOW 50N144W 1006 MB DRIFTING NW  THEN E AFTER 24 HOURS. WITHIN
480 NM N AND NE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 53N145W 1010 MB WITH CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N
BETWEEN 164W AND 160E AND FROM 50N TO 58N W OF 165W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 60N BETWEEN 158W AND
169E...AND FROM 45N TO 50N W OF 164E.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 59N BETWEEN 160W AND
170E.

.FORECASTER ROWLAND. 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 TUE JUL 29.
24 HOUR FORECAST VALID 1200 UTC WED JUL 30.
48 HOUR FORECAST VALID 1200 UTC THU JUL 31.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 15N96W TO 15N95W TO 16N95W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS LESS THAN
2.5 M. ELSEWHERE WITHIN 15N95W TO 15N96W TO 14N97W TO 14N98W TO
14N99W TO 13N96W TO 15N95W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 M
IN NE SWELL.
.03 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N97W TO 14N96W TO
14N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95.5W TO
14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 13N136W TO 13N137W TO 12N137W TO 10N137W TO 10N135W TO
11N135W TO 13N136W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN MIXED E AND SE SWELL.
.24 HOUR FORECAST WITHIN 15N137W TO 17N140W TO 11N140W TO
13N137W TO 15N137W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN MIXED E AND SE SWELL.
.48 HOUR FORECAST WITHIN 16N137W TO 16N139W TO 17N140W TO
13N140W TO 13N136W TO 16N137W WINDS 20 KT OR LESS. SEAS 2.5 M IN
NE TO E SWELL.

.WITHIN 13N98W TO 14N98W TO 14N100W TO 13N100W TO 12N100W TO
12N99W TO 13N98W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 14N98W TO 13N102W TO 11N100W TO 08N102W TO
07N100W TO 09N99W TO 14N98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN MIXED NE AND S SWELL.
.24 HOUR FORECAST WITHIN 14N104W TO 16N107W TO 13N109W TO
12N107W TO 08N109W TO 09N106W TO 14N104W SE TO S WINDS 20 TO 30
KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 14N102W TO 15N102W TO
16N107W TO 08N110W TO 08N107W TO 08N105W TO 14N102W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN S TO E SWELL.
.48 HOUR FORECAST WITHIN 15N110W TO 16N113W TO 15N114W TO
14N113W TO 10N115W TO 11N112W TO 15N110W SE TO S WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 08N116W TO 08N119W TO
06N120W TO 06N117W TO 07N115W TO 08N116W S WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M. REMAINDER OF AREA WITHIN 15N106W TO 18N113W TO
13N114W TO 08N119W TO 06N117W TO 08N110W TO 15N106W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN SW TO SE SWELL.

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

CONVECTION VALID AT 1200 UTC TUE JUL 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 9.5N84W TO A 1009 MB LOW PRES NEAR 10.5N103W
TO A 1008 MB LOW PRES NEAR 10.5N136W TO BEYOND 08N140W.
WIDESPREAD MODERATE LOCALLY STRONG FROM 07N TO 17N BETWEEN 92W
AND 115W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 07N
BETWEEN 78W AND 83W...05N TO 10N BETWEEN 85W AND 91W...AND 11N TO
14N BETWEEN 117W AND 123W.

$$
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC JUL 29 2025.
24 HOUR FORECAST VALID 1200 UTC JUL 30 2025.
48 HOUR FORECAST VALID 1200 UTC JUL 31 2025.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IONA NEAR 10.8N 154.3W 957 MB AT 1500 UTC JUL 29
MOVING W OR 270 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 110 KT GUSTS
135 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...70 NM NE QUADRANT AND 50 NM SW QUADRANT. WINDS 20 TO
33 KT ELSEWHERE FROM 16N TO 09N BETWEEN 157W AND 150W. SEAS 4 M OR
GREATER WITHIN 150 NM OF CENTER WITH SEAS TO 5 M. SEAS 2.5 TO 4 M
ELSEWHERE FROM 15N TO 10N BETWEEN 156W AND 151W. SCATTERED STRONG
TSTMS FROM 12N TO 09N BETWEEN 154W AND 151W.
.24 HOUR FORECAST HURRICANE IONA NEAR 10.9N 159.1W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 40 NM SW
QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM 18N TO 09N BETWEEN 165W
AND 156W. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER WITH SEAS
TO 7 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 18N TO 08N BETWEEN 163W AND
156W.
.48 HOUR FORECAST HURRICANE IONA NEAR 11.6N 166.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER. WINDS 20 TO 33
KT ELSEWHERE FROM 18N TO 10N BETWEEN 168W AND 162W. SEAS 2.5 TO 4
M ELSEWHERE FROM 19N TO 08N BETWEEN 171W AND 163W.

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

...TROPICAL STORM WARNING...
.TROPICAL STORM KELI NEAR 12.5N 148.0W 1006 MB AT 1500 UTC JUL 29
MOVING W OR 280 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS
45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N SEMICIRCLE AND 0
NM S SEMICIRCLE. WINDS 20 TO 33 KT ELSEWHERE FROM 16N TO 11N
BETWEEN 148W AND 144W. SEAS 2.5 TO 4 M FROM 17N TO 11N BETWEEN
149W AND 145W. SCATTERED MODERATE TSTMS FROM 13N TO 11N BETWEEN
149W AND 147W.
.24 HOUR FORECAST TROPICAL STORM KELI NEAR 13.2N 153.3W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS. WINDS 20 TO 33 KT ELSEWHERE FROM 18N
TO 13N BETWEEN 155W AND 150W. SEAS 4 M OR GREATER WITHIN 60 NM OF
CENTER. SEAS 2.5 TO 4 M ELSEWHERE FROM 18N TO 12N BETWEEN 155W AND
149W.
.48 HOUR FORECAST TROPICAL DEPRESSION KELI NEAR 13.4N 159.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 2.5 TO 4 M FROM
20N TO 10N BETWEEN 164W AND 157W.

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.

.TROUGH 30N150W 25N154W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS N OF 28N BETWEEN 149W AND 147W.
.24 HOUR FORECAST TROUGH 30N151W 26N154W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N177W 26N179E 23N177E MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS N OF 22N BETWEEN 175E AND 173W.
.24 HOUR FORECAST TROUGH 30N178W 26N176E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 13N168E 09N166E 05N167E MOVING W SLOWLY. SCATTERED
MODERATE TO STRONG TSTMS FROM 14N TO 08N BETWEEN 164E AND 173E.
ISOLATED MODERATE TSTMS FROM 07N TO 02N W OF 166E.
.24 HOUR FORECAST TROUGH 11N162E 05N165E.
.48 HOUR FORECAST TROUGH 14N160E 06N163E.

.24 HOUR FORECAST NEW LOW NEAR 10N140W 1011 MB. WINDS 20 TO 25 KT
FROM 18N TO 11N E OF 145W. SEAS 2.5 TO 3 M FROM 18N TO 10N E OF
147W.
.48 HOUR FORECAST LOW NEAR 12N147W 1008 MB. WINDS 20 TO 25 KT
FROM 18N TO 11N E OF 153W. SEAS 2.5 TO 4 M FROM 21N TO 06N E OF
150W.

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

.MONSOON TROUGH FROM 08N140W TO 07N143W TO T.S. KELI TO HURCN
IONA TO 08N156W THENCE ITCZ 06N170W 05N175W 06N172E. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF ITCZ...AND WITHIN 120 NM OF
MONSOON TROUGH E OF 143W.

.ISOLATED MODERATE TSTMS N OF 24N BETWEEN 166E AND 174E.

$$

.FORECASTER TROTTER. HONOLULU HI.