FZNT01 KWBC 312144 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC SAT OCT 31 2026 CCODE/2:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 OCT 31. 24 HOUR FORECAST VALID 1800 UTC NOV 01. 48 HOUR FORECAST VALID 1800 UTC NOV 02. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW 41N48W 992 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING. WITHIN 300 NM E AND SE OF A LINE FROM 44N47W TO THE LOW TO 35N49W WINDS 30 TO 45 KT. SEAS 4 TO 8 M. ELSEWHERE WITHIN 600 NM NE...360 NM E...540 NM SE...600 NM S...300 NM SW AND 180 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M IN MIXED SWELL. .06 HOUR FORECAST LOW 44N46W 989 MB. WITHIN 240 NM E OF A LINE FROM 45N46W TO THE LOW TO 40N44W TO 35N46W AND WITHIN 180 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 9 M...HIGHEST NEAR 41N45W. .18 HOUR FORECAST LOW 51N44W 975 MB. WITHIN 120 NM NE AND E OF A LINE FROM 49N38W TO 52N42W WINDS 50 TO 65 KT. SEAS 7 TO 10 M. .24 HOUR FORECAST LOW 55N45W 968 MB. BETWEEN 60 NM AND 360 NM NE...60 NM AND 300 NM E...60 NM AND 360 NM SE QUADRANTS AND WITHIN 120 NM SW AND W OF A LINE FROM 52N45W TO 57N48W WINDS 45 TO 60 KT. SEAS 6 TO 10 M...HIGHEST NEAR 50N40W. ELSEWHERE WITHIN 420 NM NE...480 NM SE...420 NM SW AND 300 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 4 TO 7 M. ALSO FROM 43N TO 60N E OF 53W...FROM 60N TO 63N E OF GREENLAND AND E OF A LINE FROM 43N37W TO 35N39W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL. .48 HOUR FORECAST LOW 65N51W 982 MB. WITHIN 180 NM W OF A LINE FROM 63N56W TO 67N58W AND W OF A LINE FROM 60N40W TO 62N39W TO E GREENLAND WINDS 30 TO 45 KT. SEAS 4.5 TO 9 M...HIGHEST NEAR 62N40W. ELSEWHERE N OF 60N W OF GREENLAND...FROM 60N TO 65N E OF GREENLAND SEAS 3 TO 7 M. ...GALE WARNING... .48 HOUR FORECAST NEW LOW 57N56W 990 MB. W OF A LINE FROM 54N51W TO 58N60W TO THE COAST OF LABRADOR WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .SYNOPSIS AND FORECAST. .FROM 31N TO 34N W OF 76W AREA OF NE WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST CONDITIONS DIMINISHED. .LOW 64N37W 1005 MB MOVING NE 10 KT. N OF 60N E OF GREENLAND. WINDS LESS THAN 25 KT. SEAS TO 3 M. .24 HOUR FORECAST FROM 31N TO 33N W OF 67W AREA OF NE TO E WINDS TO 25 KT. SEAS TO 3 M .48 HOUR FORECAST CONDITIONS DIMINISHED. .LOW 48N52W 999 MB MOVING NE 15 KT. WITHIN 840 NM SW AND 480 NM W QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS TO 3.5 M...EXCEPT LESS THAN 2.5 M IN THE GULF OF SAINT LAWRENCE. .24 HOUR FORECAST LOW ABSORBED AND ASSOCIATED CONDITIONS DESCRIBED ABOVE IN WARNINGS SECTION WITH LOW 55N45W. .DENSE FOG WITH VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 52N BETWEEN 44W AND 57W...FROM 55N TO 59N BETWEEN 43W AND 49W AND WITHIN 60 NM E OF GREENLAND N OF 63N. .24 HOUR FORECAST DENSE FOG FROM 51N TO 60N BETWEEN 41W AND 50W AND WITHIN 60 NM E OF GREENLAND N OF 60N. .48 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 45W AND 52W...W OF A LINE FROM 55N53W TO 61N61W TO THE COAST OF LABRADOR...WITHIN 60 NM W OF GREENLAND FROM 60N TO 63N AND N OF 65N E OF GREENLAND. .LIGHT FREEZING SPRAY W OF A LINE FROM 55N55W TO 61N61W TO LABRADOR. .24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 60 NM W OF GREENLAND N OF 60N. .48 HOUR FORECAST LIGHT FREEZING SPRAY FROM WITHIN 90 NM E OF LABRADOR FROM 54N TO 59N. .FORECASTER FUTTERMAN. 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 1800 UTC SAT OCT 31. 24 HOUR FORECAST VALID 1800 UTC SUN NOV 1. 48 HOUR FORECAST VALID 1800 UTC MON NOV 2. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N77W TO 31N80W TO 28N80W TO 27N79W TO 28N76W TO 31N77W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 31N76W TO 31N81W TO 26N80W TO 27N77W TO 24N71W TO 27N74W TO 31N76W...INCLUDING ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST WITHIN 28N61W TO 31N73W TO 31N80W TO 24N74W TO 25N66W TO 28N61W...INCLUDING ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .ATLC WITHIN 31N35W TO 29N42W TO 31N45W TO 30N52W TO 31N63W TO 22N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .24 HOUR FORECAST WITHIN 31N58W TO 31N63W TO 30.5N63W TO 30N62W TO 30N60.5W TO 30.5N58W TO 31N58W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 31N58W TO 31N63W TO 30.5N63W TO 30N62W TO 30N60.5W TO 30.5N58W TO 31N58W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .CARIBBEAN WITHIN 12N76W TO 13N78W TO 11N79W TO 10N79W TO 10N76W TO 11N76W TO 12N76W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. .GULF OF AMERICA 12 HOUR FORECAST WITHIN 28N83W TO 29N85W TO 30N86W TO 28N87W TO 27N85W TO 26N83W TO 28N83W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 30N85W TO 30N87W TO 28N87W TO 27N85W TO 28N84W TO 30N85W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 30N85W TO 30N88W TO 28N87W TO 27N85W TO 28N84W TO 30N85W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER KONARIK/FIGURSKEY. NATIONAL HURRICANE CENTER. $$