High Seas Forecast
Issued by NWS

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945
FZPN02 KWBC 292325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 29.
24 HOUR FORECAST VALID 1800 UTC JUL 30.
48 HOUR FORECAST VALID 1800 UTC JUL 31.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST LOW NEAR 37N162E 997 MB. WITHIN 360 NM E AND
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM
30N TO 40N W OF 170E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 44N174E 993 MB. FRONT FROM LOW TO 40N173E
TO 36N169E TO 34N163E. WITHIN 180 NM W SEMICIRCLE...AND 240 NM
NE AND 360 NM SE QUADRANTS AND 240 NM E AND SE OF FRONT WINDS 25
TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 34N TO 48N BETWEEN
177W AND 167E...AND FROM 30N TO 35N W OF 170E WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.LOW 44N168E 1000 MB MOVING NE 15 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 50N174E 999 MB. WITHIN 420 NM SE
QUADRANT...AND 180 NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 53N177E 997 MB. WITHIN 240 NM W QUADRANT
WINDS 20 TO 30 KT. SEAS TO  2.5 M. ELSEWHERE WITHIN 240 NM SE
AND 480 NM NE QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.

.LOW 51N144W 1008 MB DRIFTING NW THEN E AFTER 24 HOURS. WITHIN
360 NM N AND 420 NM NE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 52N146W 1009 MB WITH CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 58N W
OF 164W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 62N BETWEEN 159W AND
169E...AND N OF 45N W OF FROM 45N W OF 166E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 59N BETWEEN 158W AND
171E AND FROM 46N TO 50N W OF 162E.

.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 1800 UTC TUE JUL 29.
24 HOUR FORECAST VALID 1800 UTC WED JUL 30.
48 HOUR FORECAST VALID 1800 UTC THU JUL 31.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 13N136W TO 14N138W TO 14N139W TO 10N139W TO 10N137W TO
11N136W TO 13N136W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST WITHIN 17N136W TO 18N140W TO 12N140W TO
13N138W TO 14N137W TO 14N134W TO 17N136W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED NE AND SE SWELL.
.48 HOUR FORECAST WITHIN 19N135W TO 19N140W TO 12N140W TO
12N136W TO 14N134W TO 19N135W WINDS 20 KT OR LESS. SEAS 2.5 IN NE
TO E SWELL.

.WITHIN 14N97W TO 15N99W TO 13N102W TO 12N102W TO 13N99W TO
13N98W TO 14N97W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 13N99W TO 12N101W TO 13N102W TO 11N101W TO
10N101W TO 10N100W TO 13N99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN MIXED NE AND S SWELL.
.24 HOUR FORECAST WITHIN 11N107W TO 15N107W TO 14N111W TO
11N111W TO 07N115W TO 07N108W TO 11N107W S WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N103W TO 16N106W TO 16N108W
TO 12N106W TO 09N110W TO 08N105W TO 15N103W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN S TO SE SWELL.
.48 HOUR FORECAST WITHIN 16N113W TO 15N117W TO 14N115W TO
10N116W TO 10N114W TO 12N112W TO 16N113W SE TO S WINDS 20 TO 30
KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 08N117W TO 09N119W TO
07N121W TO 07N119W TO 07N118W TO 08N117W TO 08N117W S WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M. REMAINDER OF AREA WITHIN 17N107W TO
20N109W TO 16N116W TO 13N116W TO 07N119W TO 08N110W TO 17N107W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SW AND SE SWELL.

.WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N95W TO 14N97W TO
13N98W TO 13N97W TO 14N95W TO 15N95W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 14N96W TO
15N96W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 14N96W TO
14N97W TO 13N98W TO 13N97W TO 12N96W TO 13N96W TO 14N96W WINDS 20
KT OR LESS. SEAS 2.5 M IN S SWELL.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 14.5N95.5W TO
14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

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

CONVECTION VALID AT 1800 UTC TUE JUL 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 9.5N84W TO A 1009 MB LOW PRES NEAR 11N104W
TO A 1008 MB LOW PRES NEAR 11N137W TO 08N140W. WIDESPREAD
MODERATE LOCALLY STRONG FROM 06N TO 16N BETWEEN 95W AND 115W.
SCATTERED MODERATE TO STRONG FROM 11N TO 14N BETWEEN 120W AND
124W...AND 05N TO 11N BETWEEN 88W AND 93W. SCATTERED MODERATE
FROM 06N TO 08N BETWEEN 82W AND 85W.

$$
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC JUL 29 2025.
24 HOUR FORECAST VALID 1800 UTC JUL 30 2025.
48 HOUR FORECAST VALID 1800 UTC JUL 31 2025.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IONA NEAR 10.9N 155.7W 957 MB AT 2100 UTC JUL 29
MOVING W OR 275 DEG AT 4 M. MAXIMUM SUSTAINED WINDS 110 KT GUSTS
135 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...60
NM SE QUADRANT...50 NM SW QUADRANT...AND 70 NM NW QUADRANT.
.24 HOUR FORECAST HURRICANE IONA NEAR 11.2N 160.7W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER.
.48 HOUR FORECAST HURRICANE IONA NEAR 11.9N 167.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER.

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 12.8N 149.9W 1006 MB AT 2100 UTC JUL
29 MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM KELI NEAR 13.6N 155.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER.
.36 HOUR FORECAST TROPICAL DEPRESSION KELI NEAR 13.8N 159.1W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 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.

.SYNOPSIS AND FORECAST.

.TROUGH 30N150W 24N

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

.TROUGH 12N140W 10N141W 08N140W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH STRENGTHENS TO LOW NEAR 10N143W
1011 MB.
.48 HOUR FORECAST LOW NEAR 11N146W. WINDS 20 TO 25 KT WITHIN
210 NM OF LOW.

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

.MONSOON TROUGH 12N141W 07N145W 07N143W. ITCZ 07N165W 08N172W
06N178E 07N170E 05N165E. SCATTERED STRONG TSTMS FROM 05N
TO 15N BETWEEN 165E AND 175E.

.ISOLATED MODERATE TSTMS WITHIN 180 NM OF LINE 20N165E 25N170E
30N178E.

$$

.FORECASTER PECHACEK. HONOLULU HI.