223 FZPN01 KWBC 200406 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC WED MAY 20 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 20. 24 HOUR FORECAST VALID 0000 UTC MAY 21. 48 HOUR FORECAST VALID 0000 UTC MAY 22. .WARNINGS. ...STORM WARNING... .LOW W OF AREA 49N174E 982 MB MOVING NE 25 KT AND INTENSIFYING. 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 JUST W OF AREA 50N179E 973 MB. WITHIN 180 NM S SEMICIRCLE AREA OF SW TO W WINDS 40 TO 50 KT. SEAS 5 TO 7.5 M. .24 HOUR FORECAST LOW 52N174W 977 MB. WITHIN 300 NM SE AND 360 NM SW QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 8.5 M. ALSO WITHIN 420 NM NE...AND 600 NM SE AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M...HIGHEST SW OF CENTER. ELSEWHERE FROM 38N TO 58N BETWEEN 156W AND 175E WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 58N164W 993 MB. WITHIN 420 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 720 NM SE SEMICIRCLE...AND WITHIN 1080 NM SW QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 4.5 M...HIGHEST S AND SW OF CENTER. ...GALE WARNING... .LOW 59N149W 1014 MB MOVING NE 10 KT. WITHIN 240 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .06 HOUR FORECAST LOW 59N148W 1016 MB. NE OF A LINE FROM 60N146W TO 59N142W AREA OF SE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 59N144W BELOW. ...GALE WARNING... .LOW 52N154W 1007 MB MOVING NE 25 KT. WITHIN 180 NM EITHER SIDE OF A LINE FROM 56N144W TO 39N156W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .06 HOUR FORECAST LOW 54N151W 1007 MB. BETWEEN 120 NM AND 540 NM SE AND S QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 59N144W 1004 MB. NE OF A LINE FROM 59N145W TO 58N138W WINDS 35 TO 45 KT. SEAS 3.5 TO 5 M. ALSO WITHIN 150 NM NE SEMICIRCLE AND WITHIN 480 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 44N BETWEEN 134W 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. .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 123W AND 132W AREA OF NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .SYNOPSIS AND FORECAST. .LOW 57N174W 994 MB MOVING NE 10 KT. WITHIN 420 NM E AND 660 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 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. .24 HOUR FORECAST CONDITIONS IMPROVED. .WITHIN 90 NM OF 48N128W 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 TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST FROM 45N TO 50N BETWEEN 125W AND 129W AREA OF NW WINDS TO 25 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 39N130W TO 34N134W TO 30N144W AREA OF NE WINDS LESS THAN 25 KT. SEAS TO 3 M. .48 HOUR FORECAST S OF A LINE FROM 40N132W TO 30N147W 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. .LIGHT FREEZING SPRAY WITHIN 60 NM OF 60N171W. .24 HOUR FORECAST CONDITIONS IMPROVED. .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 WED MAY 20. 24 HOUR FORECAST VALID 0000 UTC THU MAY 21. 48 HOUR FORECAST VALID 0000 UTC FRI MAY 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 12N87W TO 12N89W TO 11N90W TO 10N87W TO 11N86W TO 12N87W...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 CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 30N120W TO 30N140W TO 05N140W TO 07N124W TO 15N113W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 24N129W TO 30N140W TO 07N140W TO 08N124W TO 13N120W TO 17N127W TO 24N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 18N137W TO 30N130W TO 25N137W TO 30N140W TO 06N140W TO 09N134W TO 18N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0300 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 06N120W...THEN CONTINUES ON TO BEYOND 07N140W. SCATTERED MODERATE FROM 07N TO 10N BETWEEN 87W AND 91W...FROM 07N TO 11N BETWEEN 105W AND 120W. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. $$  279 FZNT01 KWBC 200408 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC WED MAY 20 2026 CCODE/1:31:04:01:00/AOE/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 INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC MAY 20. 24 HOUR FORECAST VALID 0000 UTC MAY 21. 48 HOUR FORECAST VALID 0000 UTC MAY 22. .WARNINGS. ...GALE WARNING... .COMPLEX LOW E OF AREA WITH MAIN CENTER 47N31W 986 MB MOVING NE 15 KT. FROM 37N TO 48N E OF 43W WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE E OF A LINE FROM 53N50W TO 32N47W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST LOW E OF AREA NEAR 51N28W 987 MB. WITHIN 660 NM W SEMICIRCLE W OF 35W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 49N40W. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA. ...GALE WARNING... .LOW 53N40W 993 MB MOVING SE 05 KT. CONDITIONS AS DESCRIBED WITH COMPLEX LOW ABOVE. ALSO WITHIN 360 NM N AND NW QUADRANTS WINDS TO 25 KT. SEAS TO 3.5 M. .12 HOUR FORECAST LOW 51N38W 993 MB. WITHIN 360 NM SW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. .24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS MERGED WITH LOW E OF AREA 51N28W ABOVE. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 56N45W 1008 MB. FROM 58N TO 60N BETWEEN 43W AND 49W AREA OF E TO NE WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE BETWEEN 61N AND A LINE FROM 55N41W TO 59N51W WINDS 20 TO 30 KT. SEAS TO 3 M. .36 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N54W DESCRIBED BELOW. ...GALE WARNING... .24 HOUR FORECAST INLAND LOW 53N61W 988 MB. WITHIN 300 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS TO 2.5 M. ELSEWHERE W OF A LINE FROM 58N53W TO 40N50W TO 35N50W WINDS TO 25 KT. SEAS TO 3 M...HIGHEST NEAR 39N57W. .36 HOUR FORECAST LOW 54N54W 982 MB. FROM 47N TO 56N BETWEEN 47W AND 66W AND WITHIN 240 NM N OF A LINE FROM 41N50W TO 56N44W TOO 58N53W WINDS 25 TO 40 KT. SEAS 3 TO 5 M...EXCEPT S OF 56N SEAS TO 3.5 M. .48 HOUR FORECAST LOW 54N51W 978 MB. WITHIN 240 S AND SW QUADRANTS...WITHIN 180 NM S AND SW OF A LINE FROM LOW TO 58N60W AND FROM 57N TO 60N BETWEEN 42W AND 56W WINDS 30 TO 45 KT. SEAS 3 TO 6 M...EXCEPT S OF 57N SEAS 2.5 TO 4 M. ELSEWHERE BETWEEN 62N AND A LINE FROM 41N35W TO 41N50W TO 49N66W WINDS 20 TO 30 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .COMPLEX LOW WITH MEAN CENTER 45N62W 1009 MB MOVING SE 30 KT. FROM 39N TO 44N W OF 59W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 41N47W 1009 MB. FROM 35N TO 40N BETWEEN 38W AND 50W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW E OF AREA NEAR 38N32W 1013 MB. FROM 31N TO 40N E OF 52W WINDS LESS THAN 25 KT. SEAS TO 2.5 M. .LOW 61N63W 1000 MB MOVING S 10 KT. WITHIN 180 NM NE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 45N BETWEEN 57W AND 67W...FROM 53N TO 65N BETWEEN 44W AND 53W...AND FROM 59N TO 65N W OF 61W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 56N BETWEEN 51W AND 64W AND FROM 59N TO 64N BETWEEN 43W AND 64W. .48 HOUR FORECAST DENSE FOG FROM 51N TO 60N W OF 43W AND FROM 60N TO 65N W OF 61W. .FORECASTER BANCROFT. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC WED MAY 20. 24 HOUR FORECAST VALID 0000 UTC THU MAY 21. 48 HOUR FORECAST VALID 0000 UTC FRI MAY 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 21N72W TO 20N72W TO 20N70W TO 19N69W TO 19N67W TO 21N72W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST CONDITIONS IMPROVE. .ATLC WITHIN 10N46W TO 09N52W TO 11N54W TO 09N56W TO 07N53W TO 08N47W TO 10N46W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .21 HOUR FORECAST CONDITIONS IMPROVE. .ATLC 06 HOUR FORECAST WITHIN 31N35W TO 31N45W TO 31N43W TO 30N41W TO 30N37W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 31N35W TO 31N42W TO 29N40W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .39 HOUR FORECAST CONDITIONS IMPROVE. .CARIBBEAN WITHIN 15N74W TO 15N80W TO 11N81W TO 10N77W TO 13N70W TO 15N74W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 15N73W TO 14N79W TO 11N80W TO 10N78W TO 12N74W TO 13N69W TO 15N73W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST WITHIN 14N71W TO 15N74W TO 14N74W TO 13N72W TO 11N71W TO 13N69W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .CARIBBEAN WITHIN 17N86W TO 16N87W TO 16N85WM TO 17N86W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. .GULF OF AMERICA WITHIN 22N88W TO 22N90W TO 21N90W TO 22N88W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .09 HOUR FORECAST CONDITIONS IMPROVE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER KONARIK. NATIONAL HURRICANE CENTER.