616
FZPN02 KWBC 171125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

MARINERS SHOULD NOTE THAT FORECASTS FOR SEAS ARE IN UNITS OF
METERS.

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 0600 UTC MAY 17.
24 HOUR FORECAST VALID 0600 UTC MAY 18.
48 HOUR FORECAST VALID 0600 UTC MAY 19.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 44N162W 1006 MB MOVING NE 20 KT AND
SECOND CENTER 43N168W 1007 MB MOVING NE 20 KT. WITHIN 480 NM SE
QUADRANT OF MAIN CENTER...AND WITHIN 360 NM S SEMICIRCLE OF EACH
CENTER WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N152W 1002 MB
AND SECOND CENTER 47N156W 1004 MB. WITHIN AN AREA BOUNDED BY A
LINE FROM 43N165W TO 52N159W TO 52N139W TO 42N153W TO 43N165W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMBINED LOW 52N139W 996 MB. WITHIN 420 NM
N...AND 600 NM S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST S SEMICIRCLE.

...GALE WARNING...
.FROM 33N TO 40N BETWEEN 119W AND 126W WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST FROM 32N TO 42N BETWEEN 118W AND 128W WINDS 25
TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 30N TO 40N BETWEEN 118W AND 126W WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.48 HOUR FORECAST W OF A LINE FROM 47N167E TO 40N165E TO 37N160E
WINDS 25 TO 35 KT. SEAS 2.5 TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 59N144W 1004 MB MOVING W 05 KT. WITHIN 540 NM S SEMICIRCLE
WINDS LESS THAN 25 KT. SEAS TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST LOW 59N147W 1010 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 57N165E 998 MB MOVING SE 20 KT. WITHIN 420 NM SE...AND 660
NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 52N174E 1004 MB. WITHIN 600 NM S...AND 300
NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 48N172W 1012 MB. WITHIN 480 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3 M.

.LOW 44N177W 1015 MB MOVING E 20 KT. WITHIN 360 NM SW SEMICIRCLE
WINDS TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.24 HOUR FORECAST FROM 45N TO 51N BETWEEN 123W AND 130W WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST S OF A LINE FROM 34N170W TO 34N174E WINDS 20 TO
30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS N OF 45N W OF
166E...AND FROM 40N TO 47N BETWEEN 165W AND 150W.
.24 HOUR FORECAST DENSE FOG FROM FROM 41N TO 49N BETWEEN 153W AND
138W...AND FROM 50N TO 58N BETWEEN 178W AND 175E.
.48 HOUR FORECAST DENSE FOG N OF 42N W OF 164E.

.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 0600 UTC SAT MAY 17.
24 HOUR FORECAST VALID 0600 UTC SUN MAY 18.
48 HOUR FORECAST VALID 0600 UTC MON MAY 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 31N113W TO 32N115W TO 31N115W TO 30N115W TO 30N114W TO
30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. S TO SW WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO
30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 13N131W TO 20N140W TO 09N140W TO 09N133W TO 13N131W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 15N135W TO 16N140W TO 08N140W TO
08N135W TO 12N132W TO 15N135W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 13N133W TO 15N140W TO 07N140W TO
10N134W TO 13N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.

.42 HOUR FORECAST WITHIN 30N118.5W TO 30N124W TO 29.5N124W TO
29.5N121.5W TO 29.5N119.5W TO 30N118.5W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N118W TO 30N127W TO 28N124W TO
28N120W TO 30N118W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN N SWELL.

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

CONVECTION VALID AT 0800 UTC SAT MAY 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 06N131W. ITCZ FROM 06N131W TO
BEYOND 05N140W. SCATTERED MODERATE FROM 04N TO 12N AND E OF 107W
AND FROM 04N TO 12N AND W OF 115W.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0600 UTC MAY 17 2025.
24 HOUR FORECAST VALID 0600 UTC MAY 18 2025.
48 HOUR FORECAST VALID 0600 UTC MAY 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N173W 25N180W 21N160E MOVING E SLOWLY E OF 180W AND
NEARLY STATIONARY ELSEWHERE. NE TO E WINDS 20 TO 25 KT AND SEAS
2.5 TO 3 M N OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH 30N168W 24N176W
21N160E. NE TO E WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M N OF
TROUGH.
.48 HOUR FORECAST TROUGH 30N173W 24N180W 20N177E. NE WINDS 20 TO
30 KT NW OF TROUGH. NE TO E WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M
N OF A LINE 30N172W 25N180W 21N170E 20N160E.

.E WINDS 20 TO 25 KT FROM 08N TO 27N E OF 155W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 08N TO 28N E OF
158W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 08N TO 14N
BETWEEN 155W AND 163W.

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

.SEAS 2.5 TO 3 M FROM 08N TO 27N E OF 160W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 09N TO 26N E OF 160W.
.48 HOUR FORECAST SEAS EASED TO 2.5 M OR LESS ELSEWHERE.

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

.ITCZ 05N140W 03N160W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF
ITCZ.

.ISOLATED MODERATE TSTMS FROM 04N TO 09N W OF 167E...AND FROM 19N
TO 21N BETWEEN 157W AND 160W.


$$

.FORECASTER ALMANZA. HONOLULU HI.