243
FZPN02 KWBC 171725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC WED JUL 17 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

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 50N166W 1007 MB MOVING E 20 KT. WITHIN 300 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 50N154W 1006 MB. WITHIN 180 NM NE...300 NM
SE...360 NM SW...AND 180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 13 FT.
.48 HOUR FORECAST LOW 49N146W 1007 MB. WITHIN 360 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.LOW W OF AREA NEAR 51N159E 997 MB MOVING SE 10 KT. WITHIN 360 NM
SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 49N165E 1001 MB. WITHIN 300 NM NW
SEMICIRCLE...AND FROM 40N TO 51N BETWEEN 169E AND 180W WINDS 20
TO 30 KT. SEAS TO 9 FT.
.36 HOUR FORECAST LOW 50N171E 1001 MB. WITHIN 120 NM E OF A LINE
FROM 49N178E TO 39N172E WINDS 25 TO 35 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 51N172E 1000 MB. WITHIN 180 NM W
SEMICIRCLE...AND WITHIN 300 NM NE AND E OF A LINE FROM 55N175E TO
51N179W TO 40N174E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 51N136W 1006 MB MOVING NE 30 KT. FROM 47N TO 56N BETWEEN
142W AND 132W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 FORECAST LOW DISSIPATED ASSOCIATED CONDITIONS DIMINISHED.

.LOW 41N138W 1010 MB MOVING NE 10 KT. WITHIN 120 NM E OF A LINE
FROM LOW CENTER TO 37N140W TO 35N143W WINDS TO 25 KT. SEAS TO 9
FT.
.24 HOUR FORECAST LOW 45N134W 1012 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 32N TO 36N BETWEEN 118W AND 123W WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST FROM 32N TO 37N BETWEEN 119W AND 121W WINDS TO
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 33N TO 40N BETWEEN 119W AND 125W WINDS TO
25 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 58N
BETWEEN 139W AND 132W...FROM 44B TI 52B BETWEEN 168W AND
162W...AND FROM 39N TO 45N BETWEEN 161E AND 180W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 50N BETWEEN 167E AND
173W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 55N BETWEEN 175E AND
169W.

.FORECASTER BYRD. OCEAN PREDICTION CENTER.

NWS 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 WED JUL 17.
24 HOUR FORECAST VALID 1200 UTC THU JUL 18.
48 HOUR FORECAST VALID 1200 UTC FRI JUL 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 06N99W TO 08N101W TO 08N105W TO 06N105W TO 03N103W TO
03N100W TO 06N99W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.03 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 19N124W TO 20N126W TO 19N127W TO
18N127W TO 17N126W TO 17N124W TO 19N124W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 19N125W TO 20N127W TO 20N128W TO
18N128W TO 17N126W TO 18N125W TO 19N125W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE TO E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.21 HOUR FORECAST WITHIN 05N94W TO 06N95W TO 06N97W TO 04N98W TO
04N97W TO 04N95W TO 05N94W WINDS 20 KT OR LESS. SEAS 8 FT IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 06N95W TO 07N96W TO 07N97W TO 05N99W TO
04N97W TO 06N95W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW
SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
8 FT IN S TO SW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1510 UTC WED JUL 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA NEAR
09N85W TO 09N100W TO 09N122W THEN RESUMES FROM 17N116W TO A LOW
PRES NEAR 7N125W 1008 MB TO 11N134W. THE ITCZ BEGINS NEAR 11N134W
AND CONTINUES BEYOND 11N140W. NUMEROUS MODERATE TO STRONG
FROM 04N TO 10N E OF 88W. SCATTERED MODERATE FROM 06N TO 16N
BETWEEN 94W AND 101W...AND FROM 05N TO 12N BETWEEN 101W AND
112W.

.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 2024.
24 HOUR FORECAST VALID 1200 UTC JUL 18 2024.
48 HOUR FORECAST VALID 1200 UTC JUL 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 14N144W 08N147W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 14N148W 08N151W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW WEAK TROUGH 30N146W 28N152W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 08N TO 18N BETWEEN 167E AND 161W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 09N TO 16N BETWEEN 177W
AND 167W.
.48 HOUR FORECAST WINDS EASED 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT N OF LINE 00N178E 16N162E 21N176E 15N158W
07N161W 07N169W 00N170W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 08N TO 16N BETWEEN 172E
AND 164W.
.48 HOUR FORECAST SEAS DECREASED TO 8 FT OR LESS.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 10N152W 07N163W 06N179E 08N171E. ISOLATED MODERATE TSTMS
WITHIN 60 NM OF EITHER SIDE OF ITCZ W OF 170W.

.ISOLATED MODERATE TSTMS N OF 27N BETWEEN 170E AND 179E.


$$

.FORECASTER PIERCE. HONOLULU HI.