High Seas Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
260
FZPN02 KWBC 161725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC MON JUN 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 16.
24 HOUR FORECAST VALID 1200 UTC JUN 17.
48 HOUR FORECAST VALID 1200 UTC JUN 18.

.WARNINGS.

...GALE WARNING...
.LOW 53N158W 999 MB MOVING SE 20 KT. FROM 42N TO 58N BETWEEN 144W
AND 171W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5M.
.24 HOUR FORECAST COMPLEX LOW WITH NEW MAIN CENTER 52N140W 1000
MB AND SECOND CENTER 50N146W 1006 MB. WITHIN 540 NM S SEMICIRCLE
OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE
WITHIN 180 NM N...540 NM E...AND 240 NM S QUADRANTS WINDS 20 TO
30 KT. SEAS TO 3 M. ALSO FROM 40N TO 54N BETWEEN 137W AND 162W
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMBINED LOW 53N143W 1005 MB. FROM 39N TO 57N
BETWEEN 132W AND 154W WINDS 20 TO 30 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 54N133W 1004 MB MOVING NW 15 KT AND TURNING W AFTER 12
HOURS. WITHIN 120 NM NE OF FRONT FROM 55N134W TO 52N130W WINDS 25
TO 35 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 120 NM OF CENTER AND
180 NM E AND SE OF FRONT FROM 52N130W TO 44N133W TO 40N135W TO
38N138W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 56N144W 1003 MB. N OF 55N E OF 157W WINDS
20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
53N143W DESCRIBED ABOVE.

...GALE WARNING...
.LOW W OF AREA NEAR 46N155E 1002 MB MOVING NE 15 KT.  FROM 38N TO
48N W OF 165E S WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 47N163E 1002 MB. WITHIN THE AREA BOUNDED BY
38N178W TO 51N168E TO 50N160E TO 40N160E TO 35N174E TO 38N178W
WINDS 20 TO 30 KT. SEAS TO 2.5M.
.48 HOUR FORECAST LOW 47N175E 996 MB. FROM 35N TO 51N BETWEEN
168W AND 162E...NOT INCLUDING WITHIN 420 NM SW QUADRANT...WINDS
25 TO 35 KT. SEAS TO 4 M. ELSEWHERE WITHIN 420 NM SW QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 41N BETWEEN 118W AND 127W N TO NW WINDS 20 TO 30
KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 118W AND 126W N TO NW
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 118W AND 127W N TO NW
WINDS TO 25 KT. SEAS TO 3 M.

.FROM 48N TO 54N W OF 178W AREA OF SW WINDS TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 48N W
162E AND FROM 45N TO 51N BETWEEN 145W AND 147W.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 51N163E TO 47N173E
TO 38N178E.
.48 HOUR FORECAST DENSE FOG FROM 38N TO 52N W OF 170W.

.FORECASTER JOSEPH. 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 TUE APR 22.
24 HOUR FORECAST VALID 1200 UTC WED APR 23.
48 HOUR FORECAST VALID 1200 UTC THU APR 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 12N87W TO 12N88W TO 11N89W TO 10N89W TO 09N87W TO 11N86W
TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 11N119W TO 13N128W TO 12N140W TO 04N140W TO 08N124W TO
11N119W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 11N128W TO 12N140W TO 06N140W TO
07N136W TO 08N129W TO 11N128W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE TO E SWELL.
.48 HOUR FORECAST WITHIN 11N128W TO 12N140W TO 06N140W TO
07N136W TO 08N129W TO 11N128W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE TO E SWELL.

.WITHIN 00N113W TO 00N120W TO 03.4S120W TO 03.4S113W TO 00N113W
WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

CONVECTION VALID AT 1500 UTC TUE APR 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE COAST OF PANAMA NEAR 09N79W
AND CONTINUES TO 06N101W. THE ITCZ EXTENDS FROM THERE TO BEYOND
03N140W. SCATTERED MODERATE CONVECTION IS NOTED FROM 03N-07N
EAST OF 102W AND FROM 04N-09N BETWEEN 122W-132W.

.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC JUN 16 2025.
24 HOUR FORECAST VALID 1200 UTC JUN 17 2025.
48 HOUR FORECAST VALID 1200 UTC JUN 18 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 18N BETWEEN 155W
AND 158W.
.48 HOUR FORECAST WINDS EASED 20 KT OR LESS.

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

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

.ITCZ 08N140W 08N156W 05N166W 05N178E 04N169E 04N160E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 120 NM OF ITCZ BETWEEN 160W TO
179W...AND E OF 152W. ISOLATED MODERATE TSTMS WITHIN 240 NM OF
ITCZ ELSEWHERE.

.ISOLATED MODERATE TSTMS N OF 27N BETWEEN 172E AND 166E...AND
FROM 26N TO 24N BETWEEN 175W AND 170E.


$$

.FORECASTER PIERCE. HONOLULU HI.