891 

FZPN02 KWBC 201125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC WED MAY 20 2026



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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).



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 0600 UTC MAY 20. 

24 HOUR FORECAST VALID 0600 UTC MAY 21.

48 HOUR FORECAST VALID 0600 UTC MAY 22.



.WARNINGS.



...STORM WARNING...

.LOW W OF AREA 50N176E 974 MB MOVING NE 25 KT. WITHIN 300 NM E

AND 480 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M.

ELSEWHERE WITHIN 480 NM E AND 660 NM SE QUADRANTS WINDS TO 25 KT.

SEAS TO 2.5 M.

.12 HOUR FORECAST LOW 50N177W 976 MB. WITHIN 180 NM SE SEMICIRCLE

WINDS 40 TO 50 KT. SEAS 5 TO 8 M.

.24 HOUR FORECAST LOW 54N171W 978 MB. BETWEEN 120 NM AND 360 NM

SE SEMICIRCLE WINDS 35 TO 45 KT. SEAS 4 TO 7.5 M. ALSO WITHIN 540

NM E...600 NM SE...AND 720 NM SW QUADRANTS WINDS 25 TO 35 KT.

SEAS 3 TO 6.5 M...HIGHEST S OF THE ALEUTIAN ISLANDS. ELSEWHERE

FROM 39N TO 60N BETWEEN 151W AND 178E WINDS TO 25 KT. SEAS 2.5 TO

4 M...HIGHEST NEAR 44N178W. 

.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 60N165W 997

MB. BETWEEN 240 NM AND 540 NM S SEMICIRCLE WINDS 20 TO 30 KT.

SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 960 NM SE...1020 NM S...AND 780

NM SW QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR

50N160W. 



...GALE WARNING...

.LOW 55N152W 1006 MB MOVING NE 25 KT. NE OF A LINE FROM 59N147W

TO 58N140W...AND BETWEEN 180 NM AND 480 NM SE QUADRANT WINDS 25

TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 240 NM EITHER SIDE OF

A LINE FROM 60N142W TO 50N146W TO 38N157W WINDS 20 TO 30 KT. SEAS

TO 3 M.

.18 HOUR FORECAST LOW 59N146W 1004 MB. NE OF A LINE FROM 59N146W

TO 59N140W TO 57N136W WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M.

.24 HOUR FORECAST LOW 60N145W 1006 MB. WITHIN 120 NM NE QUADRANT

AND 180 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

ELSEWHERE N OF 44N BETWEEN 133W AND 150W WINDS TO 25 KT. SEAS TO

3 M.

.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS

DIMINISHED.



...GALE WARNING...

.S OF 43N BETWEEN 124W AND 134W AREA OF N TO NE WINDS 20 TO 30

KT. SEAS TO 4 M.

.18 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 127W AREA OF

NW TO N WINDS 25 TO 35 KT. SEAS TO 4 M. 

.24 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 127W AREA OF

NW TO N WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE S OF 44N

BETWEEN 123W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS 2.5 TO

3.5 M.

.48 HOUR FORECAST FROM 38N TO 44N BETWEEN 124W AND 129W AREA OF N

WINDS 20 TO 30 KT. SEAS TO 4 M. ELSEWHERE FROM 32N TO 45N BETWEEN

124W AND 134W AREA OF NW TO N WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.



.SYNOPSIS AND FORECAST.



.LOW 57N174W 994 MB MOVING NE 10 KT. BETWEEN 180 NM AND 660 NM SE

QUADRANT WINDS LESS THAN 25 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED WITH STORM WARNING

ABOVE.



.WITHIN 60 NM OF 64N172W AREA OF NE WINDS TO 25 KT. SEAS LESS

THAN 2.5 M.

.12 HOUR FORECAST CONDITIONS IMPROVED. 



.WITHIN 90 NM OF 48N127W AREA OF NW WINDS LESS THAN 25 KT. SEAS

TO 2.5 M IN W TO NW SWELL.

.24 HOUR FORECAST FROM 44N TO 51N BETWEEN 126W AND 129W AREA OF

NW WINDS 20 TO 30 KT. SEAS TO 3 M.

.48 HOUR FORECAST FROM 45N TO 50N BETWEEN 125W AND 129W AREA OF

NW WINDS 20 TO 30 KT. SEAS TO 2.5 M.



.S OF A LINE FROM 36N134W TO 32N142W TO 31N153W AREA OF NE TO E

WINDS TO 25 KT. SEAS TO 3 M...HIGHEST E OF 142W.

.24 HOUR FORECAST S OF A LINE FROM 40N133W TO 35N145W TO 30N160W

AREA OF NE WINDS LESS THAN 25 KT. SEAS TO 3 M.

.48 HOUR FORECAST S OF A LINE FROM 40N135W TO 33N145W TO 32N162W

AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN THE BERING

SEA N AND W OF A LINE FROM 51N175W TO 56N175W TO 58N163W...AND

WITHIN 240 NM EITHER SIDE OF A LINE FROM 51N145W TO 40N158W.

.24 HOUR FORECAST DENSE FOG N OF 50N BETWEEN 162W AND

176E...WITHIN 90 NM OF ALASKA COAST BETWEEN 133W AND 152W...AND

WITHIN 120 NM EITHER SIDE OF A LINE FROM 58N135W TO 42N150W.

.48 HOUR FORECAST DENSE FOG WITHIN THE BERING SEA N OF 53N

BETWEEN 158W AND 178E.



.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 WED MAY 20.

24 HOUR FORECAST VALID 0600 UTC THU MAY 21.

48 HOUR FORECAST VALID 0600 UTC FRI MAY 22.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 12N87W TO 12N88W TO 11N90W TO 10N87W TO 11N86W TO

12N87W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 30 KT.

SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LITTLE CHANGE.

.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS

LESS THAN 2.5 M.



.WITHIN 19N110W TO 30N120W TO 30N140W TO 07N140W TO 09N116W TO

19N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.

.24 HOUR FORECAST WITHIN 20N123W TO 30N121W TO 30N140W TO

04N140W TO 10N109W TO 20N123W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN N SWELL.

.48 HOUR FORECAST WITHIN 19N138W TO 29N136W TO 30N140W TO

09N140W TO 10N137W TO 13N135W TO 19N138W WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN N TO NE SWELL.



.48 HOUR FORECAST WITHIN 01S111W TO 01S114W TO 01S120W TO

03.4S120W TO 03S112W TO 01S111W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN SW SWELL.



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



CONVECTION VALID AT 0900 UTC WED MAY 20...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N78W TO 11N87W TO 07N89W. ITCZ FROM 08N93W

TO 1007 MB LOW PRESSURE NEAR 07N120W...THEN CONTINUES ON TO 

BEYOND 07N140W. SCATTERED MODERATE CONVECTION IS ACTIVE FROM 06N 

TO 09N EAST OF 88W...FROM 06N TO 12N BETWEEN 95W AND 120W. 



.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI



NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W



SYNOPSIS VALID 0600 UTC MAY 20 2026.

24 HOUR FORECAST VALID 0600 UTC MAY 21 2026.

48 HOUR FORECAST VALID 0600 UTC MAY 22 2026.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.TROUGH 30N170W 28N173W 19N175W MOVING NW 10 KT.

.24 HOUR FORECAST WEAK TROUGH 30N173W 27N177W 21N179W.

.48 HOUR FORECAST TROUGH 30N179W 29N180W.



.WINDS 20 TO 25 KT E OF LINE 29N149W 21N159W 11N168W.

.24 HOUR FORECAST WINDS 20 TO 25 KT IN AREA BOUNDED BY 23N162W

30N147W 30N141W 17N142W 09N140W 10N180W 17N160W 23N162W.

.48 HOUR FORECAST WINDS 20 TO 25 KT IN AREA BOUNDED BY 25N167W

30N147W 30N140W 20N147W 10N155W 10N180W 14N180W 16N163W 25N167W.



.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.



.SEAS 2.5 TO 3.5 M N OF 11N E OF 153W. SEAS 2.5 TO 3 M FROM 14N TO

10N BETWEEN 167W AND 158W.

.24 HOUR FORECAST SEAS 2.5 TO 3.5 M E OF LINE 27N154W 16N163W

09N175W.

.48 HOUR FORECAST SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 24N166W

29N148W 28N147W 14N141W 06N153W 09N180W 14N180W 24N166W



.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.



.ITCZ 04N140W 03N150W 04N165W 06N180W. ISOLATED MODERATE TSTMS

WITHIN 180 NM OF ITCZ W OF 158W.



$$



.FORECASTER PIERCE. HONOLULU HI.