National Weather Service Weather Forecast Office

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

000
FZPN01 KWBC 221544
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 22.
24 HOUR FORECAST VALID 1200 UTC APR 23.
48 HOUR FORECAST VALID 1200 UTC APR 24.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 53N173E 980 MB MOVING E 10 KT
AND SECOND CENTER 54N180W 978 MB DRIFTING SE. WITHIN 300 NM SW
QUADRANT OF MAIN LOW AND WITHIN 240 NM NE OF A LINE FROM 57N177E
TO 50N168W WINDS 30 TO 45 KT. SEAS 10 TO 20 FT...HIGHEST SW
QUADRANT OF MAIN LOW. ELSEWHERE WITHIN 420 NM NE...1020 NM
SE...1320 NM S...900 NM SW QUADRANTS OF SECOND CENTER AND WITHIN
480 NM SW QUADRANT OF MAIN CENTER WINDS 25 TO 35 KT. SEAS 8 TO 16
FT.
.06 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 55N177E 973
MB. WITHIN 420 NM SW QUADRANT WINDS 40 TO 50 KT. SEAS 14 TO 24
FT.
.24 HOUR FORECAST COMBINED LOW 53N179E 968 MB. WITHIN 360 NM SE
QUADRANT AND BETWEEN 240 NM AND 420 NM SW SEMICIRCLE WINDS 40 TO
50 KT. SEAS 14 TO 27 FT...HIGHEST SE QUADRANT. ELSEWHERE WITHIN
300 NM NE...480 NM SE AND 600 NM SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 9 TO 19 FT. ALSO WITHIN 240 NM NE OF A LINE FROM 60N178 TO
55N165W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW 57N176W 974 MB. WITHIN 300 NM NE...600 NM
SE...840 NM SW AND 360 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 9
TO 17 FT...HIGHEST SE QUADRANT S OF THE ALEUTIAN ISLANDS.
ELSEWHERE WITHIN 90 NM NE OF A LINE FROM 63N170W TO 53N164W WINDS
TO 25 KT. SEAS 8 TO 13 FT IN MIXED SWELL.

...GALE WARNING...
.LOW 53N147W 1002 MB MOVING SE 15 KT. FROM 47N TO 56N BETWEEN
136W AND 153W AND FROM 43N TO 47N BETWEEN 138W AND 145W WINDS 20
TO 30 KT. SEAS TO 11  FT.
.06 HOUR FORECAST LOW 53N146W 1002 MB.BETWEEN 120 NM AND 420 NM
NE...180 NM AND 420 NM SE...WITHIN 180 NM S...120 NM SW AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 53N138W 1003 MB. WITHIN 180 NM S SEMICIRCLE
AND WITHIN 90 NM N AND NE OF A LINE FROM 56N142W TO 52N131W WINDS
25 TO 35 KT. SEAS 8 TO 14 FT...HIGHEST S SEMICIRCLE.
.48 HOUR FORECAST LOW 53N134W 1011 MB. WITHIN 240 NM S QUADRANT
WINDS LESS THAN 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW 40N125W 1009 MB NEARLY STATIONARY. FROM 38N TO 43N E OF 128W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. HIGHEST NEAR THE LOW CENTER.
.24 HOUR FORECAST LOW 40N125W 1010 MB. FROM 35N TO 45N E OF 129W
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 37N124W 1014 MB. WITHIN 240 NM W QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST LOW 49N152W 1006 MB. WITHIN 180 NM NE OF A LINE
FROM 54N164W TO THE LOW AND WITHIN 300 NM E AND SE OF A LINE FROM
THE LOW TO 33N176W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 180 NM S AND SW OF A
LINE FROM 48N136W TO 40N166W AREA OF SW WINDS 20 TO 30 KT. SEAS
TO 10 FT.

.24 HOUR FORECAST NEW LOW 39N167E 1009 MB. WITHIN 120 NM FROM LOW
AND WITHIN 120 NM SE AND S OF A LINE FROM 41N172W TO 35N170E
WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 39N177E 1010 MB. FROM 36N TO 41N BETWEEN
173E AND 180W WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST NEW LOW 54N157W 1003 MB. WITHIN 60 NM NE OF A
LINE FROM 56N159W TO 52N153W WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 56N
BETWEEN 146W TO 152W AND N OF 43N BETWEEN 163W AND 170E.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 54N BETWEEN 150W AND
168W...N OF 54N BETWEEN 162W AND 167W AND N OF 49N BETWEEN 176W
AND 170E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM
45N141W TO 53N153W TO 42N161W TO 45N141W AND N OF 57N W OF 171W.

.FORECASTER FUTTERMAN. 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 MON APR 22.
24 HOUR FORECAST VALID 1200 UTC TUE APR 23.
48 HOUR FORECAST VALID 1200 UTC WED APR 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30
KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N97W TO 12N97W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 10N135W TO 14N137W TO 14N140W TO 04N140W TO 05N136W TO
07N135W TO 10N135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL MIXED WITH NE WIND WAVES.
.24 HOUR FORECAST WITHIN 12N137W TO 13N140W TO 06N140W TO
09N137W TO 12N137W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL
MIXED WITH NE WINDS WAVES.
.48 HOUR FORECAST WITHIN 12N138W TO 13N140W TO 07N140W TO
10N138W TO 12N138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL MIXED WITH NE WIND WAVES.

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

CONVECTION VALID AT 1430 UTC MON APR 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N78W TO 05N94W. ITCZ FROM 05N94W TO
05N125W TO BEYOND 03N140W. SCATTERED MODERATE FROM 02N TO 09N E
OF 93W...AND FROM 04N TO 10N BETWEEN 115W AND 140W.


.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$