FZPN01 KWBC 190350
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE MAY 19 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC MAY 19. 
24 HOUR FORECAST VALID 0000 UTC MAY 20.
48 HOUR FORECAST VALID 0000 UTC MAY 21.

.WARNINGS.

...GALE WARNING...
.LOW 55N162W 990 MB MOVING NW 20 KT. WITHIN 300 NM E AND 360 NM
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE S OF
ALASKA N OF 44N BETWEEN 143W AND 165W WINDS TO 25 KT. SEAS 2.5 TO
3.5 M.
.24 HOUR FORECAST LOW 63N172W 1001 MB. CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 37N177W 1006 MB MOVING NE 35 KT. WITHIN 120 NM S AND W
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM
33N TO 41N W OF 168W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 48N157W 1006 MB. WITHIN 180 NM EITHER SIDE
OF A LINE FROM 55N145W TO 38N159W WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M. ELSEWHERE S OF ALASKA N OF 37N BETWEEN A LINE FROM 36N160W
TO 50N143W TO 60N143W AND 165W WINDS TO 25 KT. SEAS TO 2.5 M.
.36 HOUR FORECAST LOW 1007 MB. WITHIN 120 NM OF S ALASKA COAST
BETWEEN 139W AND 151W...AND WITHIN 420 NM SE QUADRANT WINDS 25 TO
35 KT. SEAS 2.5 TO 3.5 M. 
.48 HOUR FORECAST LOW 58N144W 1002 MB. N OF A FRONT FROM 59N148W
TO 59N142W TO 56N136W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.
ELSEWHERE N OF 50N BETWEEN 134W AND 147W...AND WITHIN 180 NM
EITHER SIDE OF A LINE FROM 50N144W TO 50N265W WINDS TO 25 KT.
SEAS 2.5 TO 3.5 M.

...GALE WARNING...
.FROM 32N TO 42N BETWEEN 122W AND 128W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE S OF 43N BETWEEN 118W AND
134W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 37N TO 43N BETWEEN 123W AND 126W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 42N
BETWEEN 121W AND 134W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3
M.
.48 HOUR FORECAST FROM 38N TO 43N BETWEEN 123W AND 127W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 50N
BETWEEN 119W AND 135W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3
M.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 49N174E 984 MB. WITHIN 360 NM E
AND 480 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
ELSEWHERE FROM 37N TO 51N W OF 175W WINDS TO 25 KT. SEAS TO 3 M.
.42 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 51N178W 976
MB. WITHIN 240 NM SE SEMICIRCLE WINDS 35 TO 45 KT. SEAS 5 TO 8 M.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 52N174W 978
MB. WITHIN 240 NM SE AND 300 NM SW QUADRANTS WINDS 35 TO 45 KT.
SEAS 4 TO 8.5 M. ALSO WITHIN 420 NM NE...600 NM SE...AND 600 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST S OF THE
ALEUTIAN ISLANDS. ELSEWHERE FROM 39N TO 58N BETWEEN 156W AND 175E
WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.LOW 54N130W 1021 MB MOVING NE 10 KT. WITHIN 540 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW 55N177W 986 MB MOVING NE 10 KT. FROM 43N TO 53N W OF
165W...AND WITHIN 360 NM W SEMICIRCLE WINDS TO 25 KT. SEAS 2.5 TO
4 M...HIGHEST NEAR 49N180W.
.24 HOUR FORECAST LOW 57N173W 994 MB. WITHIN 420 NM E AND 720 NM
SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 52N174W IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN THE BERING
SEA BETWEEN 160W AND 175E...AND FROM 35N TO 52N BETWEEN 151W AND
168W. 
.24 HOUR FORECAST DENSE FOG FROM 57N TO 61N W OF 162W...FROM 47N
TO 54N W OF 173W...AND FROM 40N TO 55N BETWEEN 143W AND 160W. 
.48 HOUR FORECAST DENSE FOG FROM 50N TO 61N BETWEEN 162W AND
180W...AND WITHIN 240 NM EITHER SIDE OF A LINE FROM 40N154W TO
56N137W TO 61N146W.

.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 0000 UTC TUE MAY 19.
24 HOUR FORECAST VALID 0000 UTC WED MAY 20.
48 HOUR FORECAST VALID 0000 UTC THU MAY 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N124W TO 30N130W TO 29N130W TO 28N128W TO 29N124W TO
30N124W N WINDS 20 TO 25 KT. SEAS 3.5 TO 5.0 M IN N TO NE SWELL.
ELSEWHERE WITHIN 29N114W TO 30N140W TO 10N140W TO 10N123W TO 
21N114W TO 29N114W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N 
TO NE SWELL.
.24 HOUR FORECAST WITHIN 19N116W TO 30N121W TO 30N140W TO 
08N140W TO 11N121W TO 19N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 22N130W TO 30N123W TO 30N140W TO 
07N140W TO 09N130W TO 22N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN N TO NE SWELL.

.WITHIN 11N86W TO 12N87W TO 11N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 06N128W TO 05N140W TO 00N140W TO 00N125W TO 06N128W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
ELSEWHERE WITHIN 01S108W TO 00N110W TO 00N120W TO 03S120W TO 
03S108W TO 01S108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO
SW SWELL.
.24 HOUR FORECAST WITHIN 01S108W TO 00N110W TO 00N120W TO 
03S120W TO 03S108W TO 01S108W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN S TO SW SWELL. 
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0300 UTC TUE MAY 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 10N85W TO 07N90W. ITCZ FROM 07N90W
TO 1007 MB LOW PRESSURE NEAR 08N129W...THEN TO 08N140W. 
SCATTERED MODERATE FROM 02N TO 06N BETWEEN 85W AND 90W...FROM 
08N TO 12N BETWEEN 95W AND 100W...AND FROM 05N TO 10N BETWEEN 
115W AND 125W. 

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$