High Seas Forecast
Issued by NWS

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FZPN02 KWBC 280525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU MAR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FROM APRIL 1 TO OCTOBER 15, DUE TO THE CLIMATOLOGY OF THE NORTH
PACIFIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 8 FEET OR GREATER.
ALSO, PLEASE SEE HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS
_TROPICAL.PHP FOR A PROPOSAL, AND A REQUEST FOR COMMENTS, TO
INCREASE READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS
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 0000 UTC MAR 28.
24 HOUR FORECAST VALID 0000 UTC MAR 29.
48 HOUR FORECAST VALID 0000 UTC MAR 30.

.WARNINGS.

...STORM WARNING...
.LOW 45N175E 984 MB MOVING NE 30 KT. WITHIN AN AREA BOUNDED BY
45N175W...40N175W...33N170E...43N171E...47N177E...47N180W...
45N175W WINDS 30 TO 45 KT. SEAS 10 TO 21 FT. ELSEWHERE W OF A
LINE FROM 46N175W TO 36N175W TO 30N177E WINDS 20 TO 30 KT. SEAS
10 TO 17 FT.
.24 HOUR FORECAST LOW 53N175W 978 MB. WITHIN 180 NM S AND NW
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 23 FT. ELSEWHERE WITHIN
540 NM NE...300 NM SE...300 NM SW AND 300 NM NW QUADRANTS WINDS
25 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 59N168W 989 MB. WITHIN 360 NM S
SEMICIRCLE...ALSO FROM 48N TO 60N BETWEEN 142W AND 151W...AND N
OF 55N W OF 178E WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 48N134W 983 MB MOVING E 10 KT. WITHIN 420 NM SE...600 NM
S...420 NM SW AND 360 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12
TO 24 FT. ELSEWHERE FROM 36N TO 53N BETWEEN 124W AND 145W WINDS
20 TO 30 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 48N129W 992 MB. WITHIN 360 NM SE...240 NM
SW...180 NM NW AND 180 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS
10 TO 20 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED INTO LOW 38N126W.

...GALE WARNING...
.LOW 49N165W 1002 MB MOVING SE 50 KT. WITHIN 240 NM S
SEMICIRCLE...AND FROM 38N TO 44N BETWEEN 151W AND 160W WINDS 25
TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 41N136W 1004 MB. FROM 36N TO 42N BETWEEN
134W AND 144W WINDS 25 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE
FROM 34N TO 43N BETWEEN 133W AND 147W WINDS 20 TO 30 KT. SEAS 9
TO 13 FT.
.48 HOUR FORECAST LOW 38N126W 994 MB. WITHIN 180 NM E
SEMICIRCLE...300 NM SW AND 240 NM NW QUADRANTS...ALSO FROM 33N
TO 44N BETWEEN 130W AND 137W WINDS 30 TO 45 KT. SEAS 10 TO 22
FT.  ELSEWHERE FROM 30N TO 46N BETWEEN 121W AND 139W WINDS 20 TO
30 KT. SEAS 9 TO 13 FT.

...GALE WARNING...
.LOW 47N165E 997 MB MOVING SE 15 KT. WITHIN 180 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST LOW 41N170E 998 MB. FROM 36N TO 42N BETWEEN
170E AND 163E WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE S
OF 45N W OF 173E WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 46N178W.

...GALE WARNING...
.LOW 51N172E 998 MB MOVING SE 10 KT. FROM 50N TO 53N W OF 177E
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 48N174E 1000 MB. WITHIN 180 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW 46N178W 1007 MB. WITHIN 720 NM S AND 540
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 41N174W 1007 MB. WITHIN 300 NM E OF A LINE
FROM 46N169W TO 39N176W TO 30N177E WINDS 25 TO 40 KT. SEAS 9 TO
16 FT.
.48 HOUR FORECAST LOW 47N164W 999 MB. WITHIN 300 NM E OF A LINE
FROM 49N164W TO 44N166W TO 34N168W WINDS 30 TO 45 KT. SEAS 10 TO
18 FT.

.SYNOPSIS AND FORECAST.

.LIGHT TO MODERATE FREEZING SPRAY N OF 56N W OF 171W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF
172W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 56N
BETWEEN 175E AND 170W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM NW OF
A LINE FROM 44N172E TO 47N180W...ALSO WITHIN 120 NM N OF A LINE
FROM 50N170W TO 49N160W TO 47N154W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 58N BETWEEN 158W AND
179W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 54N BETWEEN 146W AND
166W...AND N OF 55N BETWEEN 144W AND 150W...AND N OF 58N W OF
172W.

.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 0000 UTC THU MAR 28.
24 HOUR FORECAST VALID 0000 UTC FRI MAR 29.
48 HOUR FORECAST VALID 0000 UTC SAT MAR 30.

.WARNINGS.

...GALE WARNING...
.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 25 TO
30 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO
40 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
15N95W TO 16N94W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 40 KT. SEAS 11 TO 13 FT. ELSEWHERE WITHIN 14N94W TO 15N94W
TO 16N96W TO 14N97W TO 13N97W TO 13N96W TO 14N94W N TO NE WINDS
25 TO 30 KT. SEAS 9 TO 11 FT IN N SWELL. REMAINDER OF AREA WITHIN
14N94W TO 13N96W TO 14N97W TO 12N97W TO 12N95W TO 13N94W TO
14N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.42 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 13N94W TO 16N94W
TO 11N101W TO 09N99W TO 10N95W TO 13N94W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 12N95W TO 13N98W TO 11N101W TO 10N102W
TO 09N100W TO 09N97W TO 12N95W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 28N111W TO 27N111W TO 25N109W TO 22N109W TO 22N108W TO
24N108W TO 28N111W...INCLUDING GULF OF CALIFORNIA...NW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 20N106W TO 20N105W TO 21N106W TO 20N107W TO 19N106W TO
19N105W TO 20N106W...INCLUDING WATERS NEAR CABO CORRIENTES...NW
TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 21N135W TO 21N140W TO 04N140W TO 04N127W TO 06N117W TO
09N117W TO 21N135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO
N SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.24 HOUR FORECAST COLD FRONT NORTH OF AREA. WITHIN 30N126W TO
30N138W TO 29N134W TO 29N131W TO 30N126W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N124W TO 23N135W. WITHIN
30N126W TO 30N135W TO 29N134W TO 29N130W TO 29N127W TO 30N126W NW
TO N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN NW SWELL. ELSEWHERE
WITHIN 30N117W TO 29N130W TO 30N140W TO 28N140W TO 25N128W TO
26N119W TO 30N117W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.

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

.48 HOUR FORECAST WITHIN 08N78W TO 08N79W TO 07N81W TO 06N81W TO
06N80W TO 06N78W TO 08N78W...INCLUDING GULF OF PANAMA AND NEAR
THE AZUERO PENINSULA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0300 UTC THU MAR 28...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

EQUATORIAL TROUGH AXIS EXTENDS FROM 08N78W TO 04N110W TO A 1011
MB LOW NEAR 04N126W. ITCZ AXIS EXTENDS FROM 03S120W TO 00N136W
TO BEYOND 03N140W. WIDELY SCATTERED MODERATE FROM 01N TO 07N
BETWEEN 87W AND 120W. SCATTERED MODERATE FROM 05S TO 05N BETWEEN
120W AND 136W.

$$

.FORECASTER CHAN. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC MAR 28 2024.
24 HOUR FORECAST VALID 0000 UTC MAR 29 2024.
48 HOUR FORECAST VALID 0000 UTC MAR 30 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK FRONT FROM 30N140W TO 28N150W.
.24 HOUR FORECAST FRONT DISSIPATED.

.FRONT NEAR 30N166E TO 26N160E MOVING E 35 KT. SE WINDS 20
TO 30 KT WITHIN 120 NM OF FRONT. SEAS 8 TO 13 FT W OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N178W TO 24N171E TO 20N163E.
WINDS 20 TO 25 KT W OF FRONT AND WITHIN 210 NM E OF FRONT N
OF 26N. SEAS 8 TO 12 FT W OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N170W TO 25N175W TO 20N177E.
WINDS 20 TO 25 KT WITHIN 410 NM W OF FRONT. SEAS 8 TO 11 FT
N OF LINE 30N171W TO 15N160E.

.WINDS E TO NE 20 TO 25 KT FROM 05N TO 23N E OF 178E.
.24 HOUR FORECAST WINDS E TO NE 20 TO 25 KT FROM 09N TO 28N
E OF 170W.
.48 HOUR FORECAST WINDS E TO NE 20 TO 25 KT FROM 10N TO 25N
E OF 165W...AND FROM 05N TO 20N 2 OF 170E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT FROM 05N TO 20N W OF 180W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 25N BETWEEN
145W AND 163W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 25N BETWEEN
148W AND 165W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 03N142W TO 05N150W TO 02N159W TO 04N173W. SCATTERED
MODERATE TSTMS WITHIN 120 NM N OF ITCZ W OF 166W.

.SCATTERED MODERATE TSTMS WITHIN 90 NM OF LINE 30N171E TO 26N168E.

$$

.FORECASTER M BALLARD. HONOLULU HI.


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