National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZPN02 KWBC 132325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SAT APR 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 13.
24 HOUR FORECAST VALID 1800 UTC APR 14.
48 HOUR FORECAST VALID 1800 UTC APR 15.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST LOW 51N178E 993 MB. FROM 47N TO 53N BETWEEN
175W AND 179W WINDS 35 TO 50 KT. SEAS 12 TO 18 FT. ELSEWHERE
WITHIN 180 NM OF CENTER...ALSO FROM 44N TO 54N BETWEEN 173W AND
178E...AND WITHIN 240 NM E AND SE OF A LINE FROM 47N178E TO
44N171E TO 40N166E TO 35N160E WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 58N172W 991 MB. N OF 53N BETWEEN 161W AND
171W WINDS 30 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE N OF 53N
BETWEEN 160W AND 178W...AND WITHIN 180 NM E OF A LINE FROM
52N168W TO 48N169W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW W OF AREA 43N157E 998 MB MOVING E 15 KT. FROM 36N TO 46N W
OF 164E WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE W OF A
LINE FROM 45N175E TO 30N164E WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 44N164E 1003 MB. WITHIN 240 NM S AND NW
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 11 TO 17 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 38N126W 1007 MB MOVING SE 10 KT. FROM 34N TO 43N BETWEEN
126W AND 132W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE
FROM 32N TO 40N BETWEEN 122W AND 135W...AND WITHIN AN AREA
BOUNDED BY
40N128W...43N125W...46N124W...50N128W...44N132W...40N136W...
40N128W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 35N122W 1011 MB. FROM 31N TO 50N BETWEEN
120W AND 130W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED. E OF A LINE FROM 42N126W TO
40N128W TO 30N123W WINDS TO 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.LOW 60N148W 1005 MB MOVING SE 15 KT. WITHIN 480 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 55N TO 59N BETWEEN 150W
AND 156W WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 32N166W 999 MB MOVING E 5 KT. WITHIN 600 NM E...540 NM
N...660 NM W AND 240 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 11
TO 21 FT.
.24 HOUR FORECAST LOW 32N163W 1000 MB. WITHIN AN AREA BOUNDED BY
30N164W...30N173W...36N171W...40N165W...44N155W...41N156W...
34N164W...30N164W WINDS 25 TO 40 KT. SEAS 11 TO 21 FT. ELSEWHERE
S OF 44N BETWEEN 148W AND 157W WINDS 20 TO 30 KT. SEAS 8 TO 13
FT.
.48 HOUR FORECAST LOW S OF AREA WITH NEW LOW FORMED NEAR 40N156W
1007 MB. WITHIN AN AREA BOUNDED BY
49N145W...30N145W...30N169W... 40N163W...49N153W...49N145W WINDS
25 TO 35 KT. SEAS 8 TO 16 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 47N180W 1008 MB. WITHIN 420 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.

.48 HOUR FORECAST W OF A LINE FROM 40N178E TO 30N170E WINDS 20
TO 30 KT. SEAS 9 TO 13 FT.

.LIGHT TO MODERATE FREEZING SPRAY N OF 56N BETWEEN 152W AND
167W. .24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN 51N AND 56N
FROM 172E TO 178E...ALSO FROM 44N TO 46N BETWEEN 163E AND 170E.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 60N BETWEEN 175W AND
175E...ALSO FROM 44N TO 46N BETWEEN 170E AND 175E.
.48 HOUR FORECAST DENSE FOG N OF 56N BETWEEN 165W AND
176W...ALSO FROM 45N TO 48N BETWEEN 170W AND 178E...AND WITHIN
120 NM SE OF A LINE FROM 46N152W TO 41N156W.

.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 1800 UTC SAT APR 13.
24 HOUR FORECAST VALID 1800 UTC SUN APR 14.
48 HOUR FORECAST VALID 1800 UTC MON APR 15.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N93W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35
KT. SEAS 10 TO 11 FT. WITHIN 12N93W TO 15N93W TO 16N96W TO
13N99W TO 10N105W TO 07N102W TO 12N93W NE TO E WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.06 HOUR FORECAST WITHIN 16N94W TO 11N104W TO 08N106W TO
07N103W TO 07N98W TO 10N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W
TO 14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO
NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 30N125W TO 30N140W TO 27N140W TO 27N131W TO 30N125W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N136W TO 29N140W TO
21N140W TO 21N132W TO 25N124W TO 30N118W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N115W TO 24N140W TO 20N140W TO
20N121W TO 24N112W TO 30N115W...INCLUDING SEBASTIAN VIZCAINO BAY
AND WITHIN 60 NM OF SHORE...NE WINDS 20 TO 25 KT. SEAS 8 TO 10
FT IN NW TO N SWELL.

.WITHIN 11N86W TO 12N87W TO 11N92W TO 09N98W TO 06N98W TO 07N90W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N92W TO 09N92W
TO 08N89W TO 09N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 07N78W TO 08N80W TO 07N80W TO 04N82W TO 04N79W TO 06N79W
TO 07N78W...INCLUDING THE GULF OF PANAMA AND NEAR THE AZUERO
PENINSULA... N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 01N122W TO 01N124W TO 00N133W TO
03.4S120W TO 02S120W TO 03.4S112W TO 01N122W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 11N127W TO 10N140W TO 00N135W TO
03.4S120W TO 01S120W TO 03.4S100W TO 11N127W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 13N109W TO 19N119W TO 20N140W TO
09N140W TO 07N130W TO 08N109W TO 13N109W NE TO E WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. WITHIN 07N100W TO 07N124W TO 03.4S115W TO
03.4S93W TO 07N100W...INCLUDING EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.

.09 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 30N115W TO
29N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...SW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.18 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 2150 UTC SAT APR 13...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH EXTENDS FROM COLOMBIA NEAR 07N77W TO 06N86W. ITCZ
CONTINUES FROM 06N86W TO 06N100W TO 08N104W THEN RESUMES NEAR
06N111W TO 05N125W TO BEYOND 05N140W. SCATTERED MODERATE WITHIN
120 NM OFF THE COASTS OF COLOMBIA AND NW ECUADOR...FROM 03N TO
08N BETWEEN 91W AND 103W...AND FROM 05N TO 13N BETWEEN 102W AND
111W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC APR 13 2024.
24 HOUR FORECAST VALID 1800 UTC APR 14 2024.
48 HOUR FORECAST VALID 1800 UTC APR 15 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N156W 22N159W 20N166W THENCE TROUGH TO 08N169W. FRONT
MOVING E 10 KT. TROUGH MOVING W SLOWLY. WINDS 20 TO 25 KT N OF
25N BETWEEN 150W AND 180W. SCATTERED STRONG TSTMS WITHIN 180 NM
E OF FRONT N OF 23N...AND WITHIN 180 NM E OF TROUGH FROM 10N TO
15N.
.24 HOUR FORECAST FRONT 30N154W 24N158W 17N165W THENCE TROUGH
TO 12N170W. WINDS 20 TO 30 KT N OF 20N BETWEEN 150W AND 175E.
.48 HOUR FORECAST FRONT 30N152W 20N155W 17N159W. TROUGH
DISSIPATED. WINDS 20 TO 25 KT N OF 25N E OF 178W.

.FRONT 28N152W 23N140W MOVING E 15 KT.
.24 HOUR FORECAST FRONT DISSIPATED.

.48 HOUR FORECAST NEW FRONT 30N161E 27N160E. WINDS 20 TO 30 KT
N OF 25N W OF 170E.

.WINDS 20 TO 25 KT N OF 20N W OF 180W...AND FROM 10N TO 15N
ACROSS ENTIRE FORECAST AREA...AND FROM 05N TO 10N BETWEEN
160W AND 150W.
.24 HOUR FORECAST WINDS WINDS 20 TO 25 KT FROM 10N TO 20N
BETWEEN 180W AND 170E...AND FROM 05N TO 20N E OF 150W.
.48 HOUR FORECAST WINDS 20 TO 30 KT N OF 25N W OF 170E.

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

.SEAS 12 TO 18 FT N OF LINE 30N170E 20N170E 30N160W. SEAS 8 TO 12
FT ELSEWHERE N OF 10N W OF LINE 10N160W 30N150W.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF 22N BETWEEN 180W AND 165W.
SEAS 8 TO 12 FT ELSEWHERE N OF LINE 10N160E 05N175E 30N150W.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF 22N BETWEEN 173W AND 160W.
SEAS 8 TO 12 FT ELSEWHERE N OF LINE 10N160E 10N175W 30N150W.

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

.ITCZ 00N170E 10N175W...AND 02N170W 03N160W 04N150W. SCATTERED
MODERATE TSTMS WITHIN 300 NM OF POINT 05N145W...AND WITHIN 300 NM
OF POINT 07N174W.

.SCATTERED TSTMS FROM 10N TO 15N BETWEEN 175E AND 180W.

$$

.FORECASTER PECHACEK. HONOLULU HI.