FZPN01 KWBC 290946
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE APR 29 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC APR 29. 
24 HOUR FORECAST VALID 0600 UTC APR 30.
48 HOUR FORECAST VALID 0600 UTC MAY 01.

.WARNINGS.

...GALE WARNING...
.LOW 52N169W 982 MB MOVING NE 25 KT. FROM 45N TO 50N BETWEEN 160W
AND 175E WINDS 30 TO 45 KT. SEAS 18 TO 28 FT. ALSO WITHIN 660 NM
E SEMICIRCLE AND FROM 50N TO 58N BETWEEN 170W AND 170E WINDS 20
TO 30 KT. SEAS 9 TO 18 FT...EXCEPT SEAS 8 TO 13 FT IN THE BERING
SEA.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 57N159W 988 MB. N
OF 58N BETWEEN 140W AND 149W WINDS 25 TO 40 KT. SEAS TO 11 FT.
ELSEWHERE WITHIN 360 NM E QUADRANT...FROM 50N TO THE ALEUTIAN
ISLANDS BETWEEN 148W AND 162W...AND N OF THE ALEUTIAN ISLANDS S
OF 56N BETWEEN 168W AND 171E WINDS TO 25 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER INLAND NEAR
57N155W 996 MB. WITHIN 360 NM EITHER SIDE OF A LINE FROM 40N146W
TO 52N170W WINDS 20 TO 30 KT. SEAS 9 TO 17 FT. ELSEWHERE S OF
ALASKAN COAST N OF 40N BETWEEN 140W 173W WINDS LESS THAN 25 KT.
SEAS 8 TO 13 FT.

...GALE WARNING...
.LOW 44N172W 1004 MB MOVING NE 35 KT. WITHIN 240 NM SE SEMICIRCLE
AND WITHIN 540 NM SW AND W QUADRANTS WINDS 25 TO 40 KT. SEAS 12
TO 22 FT. ELSEWHERE FROM 37N TO 45N BETWEEN 165W AND 167E WINDS
TO 25 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW 52N155W 997 MB. WITHIN 300 NM EITHER SIDE
OF A LINE FROM 45N160W TO 54N180W AND WITHIN 300 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE 33N TO 45N BETWEEN
154W AND 178E WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW INLAND 60N152W 998 MB. N AND E OF A FRONT
FROM LOW CENTER TO 56N139W WINDS 30 TO 40 KT. SEAS 8 TO 16 FT.
ELSEWHERE N AND E OF A FRONT FROM LOW CENTER TO 56N139W TO
52N138W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.06 HOUR FORECAST LOW W OF AREA 42N151E 987 MB. FROM 32N TO 45N W
OF 165E WINDS 25 TO 35 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST LOW W OF AREA 45N152E 984 MB. FROM 32N TO 50N E
OF 174E WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW COMPLEX LOW WITH FIRST CENTER 46N162E 998
MB AND SECOND NEW CENTER NEAR 46N174E 1004 MB. WITHIN 420 NM S
QUADRANT OF FIRST CENTER AND BETWEEN 180 NM AND 480 NM SE
QUADRANT OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 9 TO 18
FT...HIGHEST S OF FIRST CENTER. ELSEWHERE FROM 33N TO 53N W OF
174W WINDS TO 25 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 43N BETWEEN 120W AND 129W AREA OF N TO NW WINDS TO
25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 33N TO 44N BETWEEN 121W AND 129W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 33N TO 43N BETWEEN 123W AND 128W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 10 FT.

.FROM 54N TO 57N E OF 142W AREA OF W WINDS 20 TO 30 KT. SEAS 8 TO
14 FT. ELSEWHERE NE OF A LINE FROM 50N133W TO 56N144W AREA OF W
WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.48 HOUR FORECAST NEW LOW TO FORM NEAR 53N143W 997 MB. WITHIN 300
NM E AND SE OF A FRONT FROM LOW CENTER TO 54N140W TO 45N140W TO
34N148W WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 44N
BETWEEN 144W AND 150W...FROM 43N TO 51N BETWEEN 168W AND
174E...WITHIN 240 NM EITHER SIDE OF A LINE FROM 52N178W TO
59N156W...AND N OF 57N W OF 177W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 40N150W TO 47N136W...WITHIN 240 NM NW OF A LINE FROM 47N150W
TO 53N144W...N OF THE ALEUTIAN ISLANDS BETWEEN 160W AND
176W...AND FROM 35N TO 50N W OF 169E.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM N AND E OF A LINE FROM
60N150W TO 57N143W TO 50N143W TO 40N146W...N OF 55N BETWEEN 159W
AND 169W...AND WITHIN AN AREA BOUNDED BY A LINE FROM 52N164E TO
51N179W TO 43N179W TO 31N163E TO 34N160E TO 44N169E TO 45N160E TO
50N160E TO 52N164E.

.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 58N W OF 172W.

.FORECASTER ANDERSON. 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 0600 UTC TUE APR 29.
24 HOUR FORECAST VALID 0600 UTC WED APR 30.
48 HOUR FORECAST VALID 0600 UTC THU MAY  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N121W TO 22N140W TO 06N140W TO 11N123W TO 16N121W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE AND S SWELL.
.24 HOUR FORECAST WITHIN 14N124W TO 21N140W TO 05N140W TO 
07N129W TO 10N123W TO 14N124W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NE AND S SWELL.
.48 HOUR FORECAST WITHIN 16N135W TO 16N140W TO 04N140W TO 
06N135W TO 09N132W TO 16N135W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NE AND S SWELL.

.WITHIN 26N112W TO 30N116W TO 30N128W TO 19N117W TO 21N113W TO
26N112W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N122W TO 30N129W TO 29N127W TO 
29N122W TO 30N122W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW
SWELL.
.48 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 0730 UTC TUE APR 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO 06N102W. ITCZ FROM 06N102W TO 
03N140W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 10N E OF
102W...AND FROM 04N TO 10N BETWEEN 110W AND 140W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$