842
FZPN02 KWBC 172325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 MAY 17.
24 HOUR FORECAST VALID 1800 UTC MAY 18.
48 HOUR FORECAST VALID 1800 UTC MAY 19.

.WARNINGS.

...GALE WARNING...
.LOW 32N168W 996 MB NEARLY STATIONARY. WITHIN 840 NM E...600 NM
N...AND 720 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 31N169W 1000 MB. FROM 30N TO 40N BETWEEN
152W AND 178W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 33N167W 1006 MB. FROM 30N TO 40N BETWEEN
150W AND 170W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.FROM 35N TO 44N BETWEEN 123W AND 130W AREA OF N WINDS 20 TO 30
KT. SEAS 8 TO 12 FT.
.06 HOUR FORECAST FROM 35N TO 44N BETWEEN 123W AND 130W AREA OF N
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FROM 34N TO 43N BETWEEN 124W AND 130W AREA OF N
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST FROM 33N TO 43N BETWEEN 122W AND 130W AREA OF N
 WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW NW OF AREA NEAR 61N180W 998 MB MOVING SE 15 KT. WITHIN 360
NM S AND 300 NM E SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 58N165W 1003 MB.
WITHIN 360 NM NW...420 NM SW...720 NM SE...AND 300 NM NE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST COMBINED LOW 57N155W 1003 MB. FROM 52N TO 61N
BETWEEN 141W AND 168W WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 58N149W 1006 MB. FROM 52N TO 61N BETWEEN
135W AND 155W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.FROM 40N TO 47N W OF 166E AREA OF SW WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 53N162E 998 MB. N OF 45N W
OF 176E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NW OF AREA
NEAR 53N162E 989 MB. WITHIN 600 NM S...780 NM E...AND 540 NM NE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 57N146W 1015 MB MOVING SE 35 KT. WITHIN 240 NM SW AND 480 NM
S QUADRANTS WINDS LESS THAN 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 50N128W 1018 MB. WITHIN 360 NM SW
SEMICIRCLE WINDS LESS THAN 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 46N TO 50N E OF 130W WINDS
LESS THAN 25 KT. SEAS TO 8 FT.

.N AND E OF A LINE FROM 46N126W TO 49N130W AREA OF NW WINDS TO 25
KT. SEAS TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 150 NM N OF A
LINE FROM 43N170E TO 41N173E TO 48N168W...FROM 43N TO 51N W OF
170E...AND N OF A LINE FROM 56N170E TO 60N178W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 54N BETWEEN 175E AND
164E...FROM 40N TO 43N BETWEEN 160W AND 168W...FROM 50N TO 52N
BETWEEN 152W AND 156W...AND WITHIN 240 NM NE OF A LINE FROM
55N162W TO 60N175W.
.48 HOUR FORECAST DENSE FOG FROM 53N TO 57N W OF 175W...AND
WITHIN AN AREA BOUNDED BY A LINE FROM 38N160W TO 50N141W TO
50N152W TO 48N174W TO 45N175W TO 38N160W.

.FORECASTER EHRBAR. 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 1800 UTC FRI MAY 17.
24 HOUR FORECAST VALID 1800 UTC SAT MAY 18.
48 HOUR FORECAST VALID 1800 UTC SUN MAY 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N135W TO 13N140W TO 07N140W TO 06N139W TO 07N136W TO
11N135W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 09N101W TO 11N102W TO 11N105W TO 09N107W TO 05N104W TO
06N102W TO 09N101W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 30N138.5W TO 30N140W TO 29.5N140W TO
30N139W TO 30N138.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 02S116W TO 02S118W TO 02S120W TO
03.4S120W TO 03.4S115W TO 02S116W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN S TO SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 01S100W TO 01S105W TO 02S109W TO
03.4S110W TO 03.4S100W TO 01S100W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN S TO SW SWELL.

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

CONVECTION VALID AT 2100 UTC FRI MAY 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 14N91W TO 14N102W TO
06N120W. THE ITCZ THEN EXTENDS FROM 06N120W TO 06N140W.
SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS NOTED FROM
09N-15N EAST OF 108W.

.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC MAY 17 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 18 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 19 2024.

.WARNINGS.

...GALE WARNING...
.WEAKENING FRONT 30N156W 24N156W 19N161W MOVING W SLOWLY. WINDS 30
TO 35 KT N OF 28N BETWEEN 156W AND 151W. SEE ADDITIONAL WINDS AND
SEAS BELOW. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT N OF
27N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N159W 24N162W
17N165W.
SEE WINDS AND SEAS BELOW.
.48 HOUR FORECAST TROUGH 30N160W 23N164W 16N170W. SEE WINDS AND
SEAS BELOW.

.SYNOPSIS AND FORECAST.

.WINDS 20 TO 30 KT N OF 25N BETWEEN 176E AND 160W...AND N OF 21N
BETWEEN 157W AND 150W. WINDS 20 TO 25 KT ELSEWHERE N OF LINE
18N160E 11N170E 11N178W 25N175W 24N162W 30N160W.
.24 HOUR FORECAST WINDS 20 TO 25 KT W OF LINE 25N160E 12N179W
09N160E...AND E OF 163W BETWEEN 06N AND 19N. WINDS 20 TO 30 KT N
OF LINE 30N179W 24N167W 25N159W 30N150W.
.48 HOUR FORECAST WINDS 20 TO 25 KT W OF LINE 21N160E 12N179E
09N160E...AND E OF 166W BETWEEN 06N AND 20N. WINDS 20 TO 30 KT IN
AREA 30N161W 20N165W 20N160W 25N158W 30N151W.

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

.SEAS 12 TO 16 FT N OF LINE 30N180W 24N178W 25N169W 30N162W. SEAS
8
TO 12 FT ELSEWHERE N OF LINE 15N160E 09N171E 10N172W 14N157W
30N151W. SEAS 8 TO 9 FT E OF 156W BETWEEN 05N AND 15N.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 11N160E 08N172E
14N170W
24N170W 30N155W. SEAS 8 TO 10 FT IN AREA 05N140W 03N151W 14N169W
20N161W 20N150W 13N140W.
.48 HOUR FORECAST SEAS 8 TO 10 FT W OF LINE 22N160E 13N178W
09N160E.
SEAS 8 TO 10 FT N OF LINE 30N168W 23N159W 30N156W. SEAS 8 TO 9 FT
E
OF 165W BETWEEN 04N AND 20N.

.OTHERWISE...SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ITCZ 05N140W 05N153W 08N170W 05N172E. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ W OF 165W.

.ISOLATED MODERATE TSTMS W OF 173E BETWEEN 03N AND 09N.

$$

.FORECASTER POWELL. HONOLULU HI.