781 FZNT01 KWBC 192130 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC TUE MAY 19 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC MAY 19. 24 HOUR FORECAST VALID 1800 UTC MAY 20. 48 HOUR FORECAST VALID 1800 UTC MAY 21. .WARNINGS. ...GALE WARNING... .LOW E OF AREA NEAR 45N33W 988 MB MOVING NE 15 KT. WITHIN 900 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 480 NM NW AND 1080 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW E OF AREA NEAR 49N30W 984 MB. BETWEEN 360 NM AND 720 NM NW QUADRANT...WITHIN 540 NM SW QUADRANT...AND FROM 56N TO 61N BETWEEN 41W AND 49W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 960 NM NW AND 840 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW E OF AREA NEAR 55N28W 992 MB. CONDITIONS MOVED E OF AREA. ...GALE WARNING... .48 HOUR FORECAST LOW 54N52W 978 MB. WITHIN 660 NM S SEMICIRCLE...AND BETWEEN 240 NM AND 600 NM NE QUADRANT WINDS 30 TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 780 NM OF LOW CENTER...EXCEPT 1080 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 53N38W 993 MB MOVING S 10 KT. WITHIN 420 NM W AND 240 NM E SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW E OF AREA NEAR 49N30W DESCRIBED IN WARNINGS SECTION ABOVE. .LOW 62N62W 999 MB MOVING S 10 KT. WITHIN 180 NM W AND 300 NM E SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 58N62W 1008 MB. CONDITIONS DIMINISHED. .LOW 44N59W 1015 MB MOVING SE 15 KT. WITHIN 960 NM SW QUADRANT WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW 43N52W 1008 MB. WITHIN 660 NM SE AND 960 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW E OF AREA NEAR 38N33W 1010 MB. WITHIN 660 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 45N BETWEEN 65W AND 70W AND N OF 50N W OF 51N AND FROM 53N TO 56N BETWEEN 37W AND 40W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 50N BETWEEN 50W AND 64W AND FROM 56N TO 63N BETWEEN 47W AND 55W. .48 HOUR FORECAST DENSE FOG FROM 42N TO 49N BETWEEN 44W AND 50W AND FROM 51N TO 62N BETWEEN 43W AND 60W. .FORECASTER HOLLEY. 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 1800 UTC TUE MAY 19. 24 HOUR FORECAST VALID 1800 UTC WED MAY 20. 48 HOUR FORECAST VALID 1800 UTC THU MAY 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 21N70W TO 22N71W TO 21N74W TO 20N74W TO 20N71W TO 20N70W TO 21N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC WITHIN 11N45W TO 12N47W TO 11N56W TO 08N56W TO 07N54W TO 07N46W TO 11N45W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 18 HOUR FORECAST WITHIN31N35W TO 31N45W TO 30.5N42W TO 30N40W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .24 HOUR FORECAST LITTLE CHANGE. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN WITHIN 13N69W TO 16N76W TO 16N80W TO 11N80W TO 12N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN E SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 15N70W TO 15N74W TO 13N75W TO 11N68W TO 13N68W TO 15N70W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .CARIBBEAN WITHIN 18N85W TO 19N85W TO 18N88W TO 16N89W TO 16N84W TO 18N85W...INCLUDING THE GULF OF HONDURAS... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN AND GULF OF AMERICA WITHIN 23N88W TO 23N90W TO 21N92W TO 20N91W TO 21N89W TO 22N87W TO 23N88W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 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. $$ .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.  165 FZPN01 KWBC 192134 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 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 1800 UTC MAY 19. 24 HOUR FORECAST VALID 1800 UTC MAY 20. 48 HOUR FORECAST VALID 1800 UTC MAY 21. .WARNINGS. ...STORM WARNING... .06 HOUR FORECAST LOW W OF AREA 49N173E 980 MB AND INTENSIFYING. WITHIN 420 NM SE QUADRANT AREA OF SE TO S WINDS 25 TO 40 KT. SEAS 3 TO 5 M. .18 HOUR FORECAST LOW 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 51N178W 975 MB. WITHIN 240 NM S SEMICIRCLE AREA OF SW TO W WINDS 40 TO 50 KT. SEAS 5 TO 8.5 M. ALSO WITHIN 420 NM NE AND SW...AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 420 NM NW...540 NM NE...780 NM SE...AND 840 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST SE AND S QUADRANTS. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 57N165W 988 MB. WITHIN 360 NM SE SEMICIRCLE AREA OF SW WINDS 25 TO 40 KT. SEAS 5 TO 7.5 M. ALSO WITHIN 600 NM NE...720 NM SE...AND 660 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M...HIGHEST SE AND SW QUADRANTS. ELSEWHERE WITHIN 420 NM NW AND 1200 NM SW QUADRANTS WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER 46N159W 1007 MB MOVING NE 35 KT. WITHIN 600 NM NE...480 NM SE...AND 840 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .12 HOUR FORECAST LOW 54N152W 1006 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 58N147W 1005 MB. NE OF A LINE FROM 59N146W TO 56N137W AREA OF SE WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 180 NM NW...540 NM SE...AND 960 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST SE AND S QUADRANTS. .30 HOUR FORECAST LOW 59N145W 1004 MB. WITHIN 90 NM NE OF A LINE FROM 59N145W TO 59N141W TO 56N136W AREA OF SE WINDS 35 TO 45 KT. SEAS 3 TO 5 M. .48 HOUR FORECAST LOW DISSIPATED. EXCEPT AS DESCRIBED WITH LOW 57N165W ABOVE...N OF 55N BETWEEN 138W AND 146W WINDS LESS THAN 25 KT. SEAS TO 2.5 M IN SW SWELL. ...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 56N174W 991 MB MOVING N 05 KT. BETWEEN 180 NM AND 480 NM SE AND BETWEEN 120 NM AND 660 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 51N178W IN WARNINGS SECTION ABOVE. .FROM 57N TO 60N BETWEEN 141W AND 150W AREA OF SE WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 58N147W IN WARNINGS SECTION 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 AN AREA BOUNDED BY A LINE FROM 35N164W TO 48N161W TO 54N151W TO 43N146W TO 35N164W...FROM 51N TO 55N W OF 177E...FROM 56N TO 59N W OF 162W...AND FROM 59N TO 61N BETWEEN 145W AND 151W. .24 HOUR FORECAST DENSE FOG FROM 59N TO 61N BETWEEN 172W AND 178W...WITHIN 90 NM EITHER SIDE OF A LINE FROM 41N153W TO 53N144W...FROM 59N TO 61N BETWEEN 143W AND 150W...AND W OF A LINE FROM 49N176W TO 54N168W TO 57N169W. .48 HOUR FORECAST DENSE FOG N OF A LINE FROM 56N163W TO 53N169W TO 53N179E. .LIGHT FREEZING SPRAY WITHIN 60 NM OF 60N171W. .24 HOUR FORECAST CONDITIONS IMPROVED. .FORECASTER FIGURSKEY. OCEAN PREDICTION CENTER. 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 1800 UTC TUE MAY 19. 24 HOUR FORECAST VALID 1800 UTC WED MAY 20. 48 HOUR FORECAST VALID 1800 UTC THU MAY 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 25N140W TO 23N140W TO 23N138W TO 23N136W TO 25N140W NE TO E WINDS 20 TO 25 KT. SEAS 3.0 M IN MIXED NE SWELL. ELSEWHERE WITHIN 20N111W TO 30N119W TO 30N140W TO 05N140W TO 09N120W TO 20N111W...INCLUDING WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 21N130W TO 30N140W TO 07N140W TO 09N119W TO 13N114W TO 18N131W TO 21N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 20N137W TO 30N136W TO 30N140W TO 07N140W TO 11N130W TO 15N136W TO 20N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. WITHIN 30N125W TO 30N131W TO 29.5N129W TO 29.5N126.5W TO 30N125W WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL. .09 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 11N88W TO 11N86W TO 12N87W E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .42 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO 11N86W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 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 1930 UTC TUE MAY 19... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10.5N75W TO 04.5N78W TO 08N88W. ITCZ FROM 08N91.5W TO 08.5N104W TO 06N120W TO 07.5N131W TO BEYOND 07.5N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 04N TO 10N E OF 94W AND FROM 03N TO 13N BETWEEN 100W AND 135W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.