874
FZPN02 KWBC 171725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC THU JUL 17 2025

CCODE/1:31:12:01:00/AOW+POR/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 17.
24 HOUR FORECAST VALID 1200 UTC JUL 18.
48 HOUR FORECAST VALID 1200 UTC JUL 19.

.WARNINGS.

...GALE WARNING...
.LOW 51N170W 998 MB MOVING NE 20 KT. FROM 46N TO 53N BETWEEN
165W AND 169W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 56N158W 1008 MB. FROM 46N TO 53N BETWEEN
148W AND 156W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 58N149W 1015 MB. FORECAST CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 47N TO 52N BETWEEN 127W AND 132W WINDS 25 TO 35 KT. SEAS
TO 3.5 M. ELSEWHERE FROM 40N TO 54N BETWEEN 126W AND 134W...ALSO
FROM 36N TO 45N BETWEEN 134W AND 142W WIND 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST FROM 40N TO 51N BETWEEN 126W AND 132W WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.LOW NW OF AREA NEAR 59N175E 992 MB MOVING SW 05 KT. WITHIN 240
NM NE AND E OF A LINE FROM 60N180W TO 58N173W TO 54N171W WINDS
TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS NW OF AREA.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 55N178E.

.LOW 47N166E 1003 MB MOVING E 20 KT. FROM 41N TO 47N W OF 169E
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 49N180W 998 MB. FROM 42N TO 51N BETWEEN
173W AND 178E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 56N170W 1003 MB. WITHIN 720 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST FROM 39N TO 43N BETWEEN 124W AND 127W WINDS TO
25 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 50N
BETWEEN 150W AND 163W...AND FROM 40N TO 50N W OF 169E.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY
56N150W...45N168W...44N166W...45N160W...51N141W...56N150W...AND
FROM 46N TO 53N BETWEEN 177E AND 178W...ALSO FROM 42N TO 47N W
OF 173E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY
55N163W...44N179E...44N172W...49N144W...54N158W...55N163W.

.FORECASTER SHAW. 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 THU JUL 17.
24 HOUR FORECAST VALID 1200 UTC FRI JUL 18.
48 HOUR FORECAST VALID 1200 UTC SAT JUL 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N96W TO 14N96W
TO 14N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.WITHIN 12N86W TO 11N87W TO 10N88W TO 09N87W TO 10N86W TO
12N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 12N86W TO 11N87W TO 10N88W TO 09N87W
TO 10N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS
20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 12N87W TO 11N88W
TO 10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
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 1550 UTC THU JUL 17...

.TROPICAL WAVE WITH AXIS NEAR 113W...SCATTERED MODERATE FROM 06N
TO 16N BETWEEN 110W AND 120W.

.TROPICAL WAVE WITH AXIS NEAR 122W...SCATTERED MODERATE FROM 07N
TO 17N BETWEEN 120W AND 130W.

.TROPICAL WAVE FROM 06N TO 16N...SCATTERED MODERATE FROM 06N TO
15N BETWEEN 130W AND 140W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N83W TO 09N110W TO 10N135W.
THE ITCZ BEGINS NEAR 10N138W AND CONTINUES BEYOND 10N140W.
NUMEROUS MODERATE FROM 03N TO 08N E OF 81W. SCATTERED MODERATE
FROM 06N TO 12N BETWEEN 98W AND 109W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC JUL 17 2025.
24 HOUR FORECAST VALID 1200 UTC JUL 18 2025.
48 HOUR FORECAST VALID 1200 UTC JUL 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 29N170E 20N169E 16N170E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS N OF 20N BETWEEN 167E AND 178E.
.24 HOUR FORECAST TROUGH 30N169E 26N165E 23N164E. WINDS 20 TO
25 KT N OF 25N W OF 166E.
.48 HOUR FORECAST TROUGH 30N161E 27N160E. WINDS 20 TO 25 KT
FROM 20N TO 28N W OF 164E.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3.0 M FROM 18N TO 07N BETWEEN 178E AND 145W...AND
N OF 28N E OF 153W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 17N TO 08N BETWEEN 172E
AND 156W...N OF 25N BETWEEN 155W AND 145W...AND N OF 25N W OF
163E.
.48 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 18N TO 09N BETWEEN 170E
AND 162W.

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

.ITCZ 10N140W 10N151W 08N162W 08N169W 06N178E 07N170E 07N161E
06N145E. ISOLATED MODERATE TSTMS WITHIN 210 NM OF ITCZ E OF 175W.

$$

.FORECASTER M BALLARD. HONOLULU HI.