FZNT01 KWBC 170931 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC FRI JUL 17 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC JUL 17. 24 HOUR FORECAST VALID 0600 UTC JUL 18. 48 HOUR FORECAST VALID 0600 UTC JUL 19. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH MEAN CENTER 55N59W 992 MB MOVING N 10 KT THEN TURNING NW AFTER 24 HOURS. FRONT EXTENDS FROM 62N55W TO 60N49W TO 57N46W TO 53N45W TO 46N46W TO 41N50W TO 39N68W. WITHIN 90 NM NE OF FRONT BETWEEN 45W AND 52W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ALSO BETWEEN 360 NM AND 540 NM N QUADRANT...WITHIN THE GULF OF SAINT LAWRENCE W OF 62W...AND WITHIN 240 NM E AND SE OF FRONT WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...EXCEPT WITHIN THE GULF OF SAINT LAWRENCE SEAS TO 2.5 M...HIGHEST N AND E OF FRONT N OF 48N. ELSEWHERE N OF 53N W OF 42W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 58N60W 995 MB. FROM 59N TO 61N BETWEEN 44W AND 49W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF A LINE FROM 54N55W TO 58N43W AND FROM 54N TO 59N BETWEEN 38W AND 43W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 59N62W 1001 MB. FROM 58N TO 61N BETWEEN 43W AND 49W AREA OF SE WINDS 20 TO 30 KT. SEAS TO 3 M. ELSEWHERE N OF A LINE FROM 55N36W TO 62N57W WINDS TO 25 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST. .LOW 40N42W 1016 MB MOVING NE 10 KT. WITHIN 180 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .48 HOUR FORECAST INLAND LOW 46N68W 997 MB. W OF A LINE FROM 46N58W TO 40N64W TO 31N75W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST NEAR 43N67W. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 51N BETWEEN 45W AND 49W...FROM 54N TO 58N BETWEEN 47W AND 50W...N OF 59N BETWEEN 41W AND 45W...FROM 58N TO 62N BETWEEN 51W AND 56W...AND FROM 55N TO 64N W OF 60W. .24 HOUR FORECAST DENSE FOG FROM 47N TO 62N BETWEEN 39W AND 44W...BETWEEN 60N AND A LINE FROM 54N44W TO 59N52W...W OF A LINE FROM 56N61W TO 63N63W...AND N OF 63N W OF 56W. .48 HOUR FORECAST DENSE FOG N OF A LINE FROM 62N35W TO 48N38W TO 56N43W TO 59N51W...FROM 60N TO 64N BETWEEN 51W AND 56W...AND N OF A LINE FROM 62N64W TO 59N61W TO 64N58W. .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 0600 UTC FRI JUL 17. 24 HOUR FORECAST VALID 0600 UTC SAT JUL 18. 48 HOUR FORECAST VALID 0600 UTC SUN JUL 19. .WARNINGS. ...CARIBBEAN GALE WARNING... .WITHIN 12N75W TO 12N75.5W TO 11.5N75.5W TO 11N75.5W TO 11.5N74.5W TO 12N75W NE TO E WINDS 30 TO 35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE WITHIN 16N73W TO 15N79W TO 12N79W TO 10N76W TO 13N69W TO 16N73W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN E SWELL. REMAINDER OF AREA WITHIN 15N71W TO 17N77W TO 16N81W TO 11N83W TO 10N76W TO 13N79W TO 15N71W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL. .06 HOUR FORECAST WITHIN 16N73W TO 17N78W TO 14N80W TO 12N80W TO 11N77W TO 13N69W TO 16N73W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN E SWELL. ELSEWHERE WITHIN 13N69W TO 17N73W TO 17N77W TO 16N81W TO 10N83W TO 09N77W TO 13N69W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN E SWELL. .18 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N75W TO 12N74W TO 12N73W TO 12N74W NE TO E WINDS 30 TO 35 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 15N71W TO 16N74W TO 14N78W TO 11N77W TO 11N72W TO 12N69W TO 15N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. REMAINDER OF AREA WITHIN 15N70W TO 18N76W TO 16N81W TO 11N83W TO 09N77W TO 13N78W TO 15N70W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL. .24 HOUR FORECAST LITTLE CHANGE IN WINDS. SEAS TO 4.5 M. .30 HOUR FORECAST WITHIN 16N72W TO 16N75W TO 15N78W TO 12N79W TO 11N76W TO 13N70W TO 16N72W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN E SWELL. ELSEWHERE WITHIN 17N74W TO 17N79W TO 15N82W TO 11N83W TO 10N77W TO 13N69W TO 17N74W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL. .45 HOUR FORECAST WITHIN 12N74.5W TO 12N75W TO 12N75.5W TO 11N75.5W TO 11N75W TO 11.5N74.5W TO 12N74.5W NE TO E WINDS 30 TO 35 KT. SEAS 4.0 M. ELSEWHERE WITHIN 16N72W TO 14N77W TO 12N78W TO 11N75W TO 11N71W TO 13N69W TO 16N72W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 17N72W TO 15N76W TO 17N77W TO 15N82W TO 10N81W TO 13N68W TO 17N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST LITTLE CHANGE. .SYNOPSIS AND FORECAST. .ATLC 21 HOUR FORECAST WITHIN 14N59W TO 14N60W TO 13N59W TO 12N59W TO 11N55W TO 12N55W TO 14N59W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL. .24 HOUR FORECAST WITHIN 14N57W TO 14N61W TO 12N61W TO 12N58W TO 11N55W TO 12N55W TO 14N57W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL. .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. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.