214 FZNT01 KWBC 160420 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC THU APR 16 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC APR 16. 24 HOUR FORECAST VALID 0000 UTC APR 17. 48 HOUR FORECAST VALID 0000 UTC APR 18. .WARNINGS. ...STORM WARNING... .36 HOUR FORECAST NEW LOW 61N42W 984 MB. WITHIN 180 NM SE SEMICIRCLE WINDS 40 TO 50 KT. SEAS 5 TO 7 M. .48 HOUR FORECAST LOW 62N40W 984 MB. N OF 57N E OF 60W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M. ...GALE WARNING... .LOW 61N61W 998 MB MOVING NE 10 KT. WITHIN 300 NM NE...AND 420 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 63N53W 990 MB. N OF 54N E OF 60W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M. .48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED BY LOW 62N40W DESCRIBED ABOVE. ...HEAVY FREEZING SPRAY WARNING... .LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF 50W. .24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF 45W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF 55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 51N59W TO 59N44W. .SYNOPSIS AND FORECAST. .LOW E OF AREA NEAR 64N28W 988 MB MOVING W 05 KT. WITHIN 240 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 64N33W 992 MB. WITHIN 180 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS DIMINISHED. .FROM 36N TO 57N E OF 40W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST CONDITIONS DIMINISHED. .LOW 43N58W 1014 MB MOVING SE 15 KT. FROM 36N TO 45N W OF 52W WINDS TO 25 KT. SEAS TO 3M. .24 HOUR FORECAST LOW 42N51W 1013 MB. WITHIN 300 NM S SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS DIMINISHED. .24 HOUR FORECAST NEW LOW 45N72W 1004 MB. WITHIN 660 NM SE AND S QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 46N48W 1005 MB. WITHIN 300 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N BETWEEN 58W AND 72W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 47N BETWEEN 61W AND 72W...AND N OF 57N W OF 55W. .48 HOUR FORECAST DENSE FOG FROM 42N TO 54N BETWEEN 61W AND 43W...AND N OF 63N W OF GREENLAND. .FORECASTER BYRD. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC THU APR 16. 24 HOUR FORECAST VALID 0000 UTC FRI APR 17. 48 HOUR FORECAST VALID 0000 UTC SAT APR 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC FROM 31N63W TO 19N70W. S OF 25N W OF TROUGH TO 77W NE WINDS 20 TO 25 KT. SEAS 2.5 M E OF THE BAHAMAS. FROM 22N TO 25N E OF TROUGH TO 62W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 M. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC N OF 24N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .12 HOUR FORECAST FROM 22N TO 28N E OF 38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC FROM 06N TO 12N BETWEEN 42W AND 58W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN N OF 18N BETWEEN 73W AND 76W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. N OF 19.5N BETWEEN 77.5W AND 81W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST FROM 18.5N TO 21N BETWEEN 78W AND 82.5W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA FROM 19N TO 22N BETWEEN 88W AND 92W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .06 HOUR FORECAST FROM 20N TO 23N BETWEEN 89W AND 93W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER. $$  899 FZPN01 KWBC 160424 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC THU APR 16 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). 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 APR 16. 24 HOUR FORECAST VALID 0000 UTC APR 17. 48 HOUR FORECAST VALID 0000 UTC APR 18. .WARNINGS. ..GALE WARNING... .48 HOUR FORECAST LOW 51N176E 975 MB. WITHIN 300 NM NW...480 NM NE AND 780 NM SE QUADRANTS WINDS 30 TO 45 KT. SEAS 2.5 TO 5 M...EXCEPT 4 TO 8 M IN SE QUADRANT. ELSEWHERE WITHIN 600 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. ...GALE WARNING... .48 HOUR FORECAST LOW W OF AREA NEAR 39N173E 990 MB.WITHIN 720 NM E SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 30N TO 43N W OF 165W WINDS TO 25 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST. .FROM 38N TO 53N E OF 135W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST FROM 30N TO 45N E OF 128W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. .N OF 45N W OF 170W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST N OF 47N W OF 160W WINDS TO 25 KT. SEAS TO 3.5 M. .48 HOUR FORECAST CONDITIONS ASSOCIATED WITH FIRST GALE WARNING IN WARNINGS SECTION ABOVE. .LOW 40N156W 1012 MB MOVING NE 20 KT. WITHIN 540 NM NE AND 720 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 45N147W 1010 MB. WITHIN 420 NM NE AND 840 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 49N142W 1001 MB. WITHIN 420 NM N AND 840 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 52N W OF 170W...WITHIN 90 NM E AND NE OF A LINE FROM 34N154W TO 38N153W TO 42N160W...AND FROM 47N TO 50N BETWEEN 163W AND 165W. .24 HOUR FORECAST DENSE FOG WITHIN 180 NM NE OF A LINE FROM 41N145W TO 43N149W....AND N OF 54N W OF 170W. .48 HOUR FORECAST DENSE FOG FROM 48N TO 54N W OF 170W...N OF 56N W OF 180W....WITHIN 120 NM E OF A LINE FROM 51N149W TO 57N148W TO 60N143W...AND FROM 46N TO 49N BETWEEN 137W AND 143W. .LIGHT FREEZING SPRAY N OF 59N W OF 177W. .24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF 171W. .48 HOUR FORECAST N OF 57N W OF 170W. .FORECASTER HOLLEY. 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 THU APR 16. 24 HOUR FORECAST VALID 0000 UTC FRI APR 17. 48 HOUR FORECAST VALID 0000 UTC SAT APR 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .24 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 30N115W TO 29N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA... S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .30 HOUR FORECAST WITHIN 30N119W TO 30N124W TO 29N122W TO 29N120W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .48 HOUR FORECAST WITHIN 30N120W TO 30N126W TO 29N125W TO 28N123W TO 29N121W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0000 UTC THU APR 16... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A SURFACE TROUGH EXTENDS FROM COASTAL COLOMBIA AT 08N78W TO 04N81W TO 07N92W TO 04N115W. THE ITCZ EXTENDS FROM 04N115W TO BEYOND 07N140W. SOUTHERN HEMISPHERIC ITCZ EXTENDS FROM 04S106W TO 02S137W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 03S-05N BETWEEN 86W-97W AND FROM 04N-07N BETWEEN 105W-140W. .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER. $$