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000
FZPN01 KWBC 111620
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU APR 11 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PLEASE SEE A PROPOSAL AND REQUEST FOR COMMENTS TO INCREASE THE
READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS LOWERCASE).
HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS_TROPICAL.PHP

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 APR 11.
24 HOUR FORECAST VALID 1200 UTC APR 12.
48 HOUR FORECAST VALID 1200 UTC APR 13.

.WARNINGS.

...STORM WARNING...
.LOW S OF AREA NEAR 27N169W 993 MB MOVING N 10 KT. FROM 30N TO
35N BETWEEN 162W AND 174W WINDS 35 TO 50 KT. SEAS 15 TO 25 FT.
ELSEWHERE WITHIN 480 NM NW OF A LINE FROM 33N153W TO 30N162W AND
WITHIN 600 NM N AND 660 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
9 TO 19 FT.
.24 HOUR FORECAST LOW NEAR 30N169W 994 MB. WITHIN 540 NM N
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 12 TO 24 FT. ELSEWHERE S OF A
LINE FROM 36N152W TO 41N161W TO 41N173W TO 34N175E WINDS 20 TO
30 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 33N168W 993 MB. WITHIN 540 NM W AND 480 NM
N QUADRANTS AND WITHIN 240 NM E AND NE OF A FRONT FROM 36N166W
TO 30N161W WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. ELSEWHERE WITHIN
840 NM E AND W...600 NM N AND 480 NM S QUADRANTS WINDS 20 TO 30
KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.LOW 59N179E 974 MB MOVING NE 30 KT. WITHIN 300 NM SE AND 480 NM
S QUADRANTS WINDS 35 TO 45 KT. SEAS 20 TO 30 FT. ELSEWHERE N OF
46N BETWEEN 165W AND 180W AND N OF 48N W OF 180W WINDS 25 TO 40
KT. SEAS 10 TO 26 FT...HIGHEST NEAR 51N173E. ALSO N OF 44N W OF
158W AND WITHIN 360 NM EITHER SIDE OF A LINE FROM 44N175E TO
34N163E WINDS 20 TO 30 KT. SEAS 8 TO 18 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW INLAND NEAR 65N159W 984 MB. N OF 46N
BETWEEN 150W AND 179E WINDS 20 TO 30 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW DISSIPATED N OF AREA...WITH CONDITIONS AS
DESCRIBED WITH LOW 60N147W BELOW.

...GALE WARNING...
.LOW 50N142W 1009 MB MOVING SE 25 KT. WITHIN 360 NM S AND 420 NM
SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE
WITHIN 420 NM SE QUADRANT AND 660 NM SW AND W QUADRANTS WINDS 20
TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 42N132W 1005 MB. WITHIN 420 NM SW...540 NM
W AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW 37N126W 1004 MB. WITHIN 360 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE S OF
49N BETWEEN 123W AND 138W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 59N148W 1001 MB. FROM 52N TO 58N
BETWEEN 142W AND 148W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 60N147W 1004 MB. WITHIN 360 NM SE AND 660
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT...HIGHEST NEAR
46N148W.

...HEAVY FREEZING SPRAY WARNING...
.12 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N W OF
174W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N172W TO 57N179W TO 57N176E.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N164W TO 57N171W TO 59N179W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 57N155W TO 56N165W TO 58N168W.

.SYNOPSIS AND FORECAST.

.FROM 33N TO 42N BETWEEN 123W AND 128W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 30N TO 45N W OF 170E AREA OF S TO SE
WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 53N
BETWEEN 139W AND 153W...N OF 56N BETWEEN 153W AND 160W AND N OF
56N BETWEEN 172W AND 177E.
.24 HOUR FORECAST DENSE FOG N OF 52N BETWEEN 140W AND 150W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 44N W OF 167E.

.FORECASTER BANCROFT. 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 1200 UTC THU APR 11.
24 HOUR FORECAST VALID 1200 UTC FRI APR 12.
48 HOUR FORECAST VALID 1200 UTC SAT APR 13.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 25 TO
35 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N97W TO
14N96W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 12 FT. WITHIN 13N94W TO
15N97W TO 14N99W TO 12N100W TO 11N98W TO 12N95W TO 13N94W NE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 15N96W TO 14N95W TO
13N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 10 TO 12 FT. WITHIN 13N94W TO 15N97W TO
13N99W TO 11N98W TO 12N95W TO 13N94W NE WINDS 20 TO 30 KT. SEAS
10 TO 12 FT. WITHIN 12N98W TO 13N99W TO 12N104W TO 11N106W TO
09N103W TO 10N98W TO 12N98W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 25N140W TO 01N140W TO 04N126W TO 09N123W TO 25N140W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 13N133W TO 17N137W TO 19N140W TO
05N140W TO 07N134W TO 10N132W TO 13N133W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 09N137W TO 09N140W TO 06N140W TO
06N139W TO 08N138W TO 09N137W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NE SWELL.

.WITHIN 03S111W TO 02S114W TO 03.4S118W TO 03.4S110W TO 03S111W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SE TO S SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 30N126W TO 30N136W TO 29N137W TO 27N136W TO 27N132W TO
30N126W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.18 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N89W TO 10N89W TO
09N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 12N89W TO 11N92W TO 09N93W TO
08N90W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS TO 8 FT.

.36 HOUR FORECAST WITHIN 06N78W TO 09N79W TO 09N79W TO 07N81W TO
05N81W TO 04N79W TO 06N78W...INCLUDING THE GULF OF PANAMA AND
NEAR THE AZUERO PENINSULA... N WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.42 HOUR FORECAST WITHIN 30N130W TO 30N138.5W TO 29N133.5W TO
29.5N132W TO 30N130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
TO N SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1500 UTC THU APR 11...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A TROUGH EXTENDS FROM PANAMA NEAR 09N78W TO 08N109W. THE ITCZ
CONTINUES FROM 08N109W TO BEYOND 04N140W. SCATTERED MODERATE
ISOLATED STRONG CONVECTION IS NOTED FROM 07N-11N BETWEEN
105W-113W. ISOLATED MODERATE CONVECTION IS OCCURRING FROM 04N-07N
BETWEEN 85W-98W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.