FZNT01 KWBC 291554
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE OCT 29 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](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 1200 UTC OCT 29.
24 HOUR FORECAST VALID 1200 UTC OCT 30.
48 HOUR FORECAST VALID 1200 UTC OCT 31.
.WARNINGS.
…GALE WARNING…
.LOW 61N42W 1004 MB MOVING NE 10 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 16 FT…HIGHEST NEAR 61N35W.
ELSEWHERE FROM 55N TO 61N E OF 43W AND WITHIN 180 NM N AND NE OF
A LINE FROM 57N43W TO 60N52W TO THE W COAST OF GREENLAND WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 64N36W 1005 MB. N OF 62N E OF GREENLAND AND
FROM 58N TO 60N E OF 43W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW NE OF AREA 66N20W 996 MB. FROM 62N TO 64N E
OF GREENLAND WINDS TO 25 KT. SEAS TO 8 FT.
…GALE WARNING…
.LOW 47N37W 1010 MB MOVING NE 25 KT. WITHIN AN AREA BOUNDED BY A
LINE FROM 40N40W TO 50N35W TO 40N35W TO 40N40W WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT. ELSEWHERE WITHIN 180 NM N AND 660 NM SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW E OF AREA 56N30W 1001 MB AND CONDITIONS
DESCRIBED BELOW WITH LOW 40N39W.
…GALE WARNING…
.LOW 37N46W 1008 MB MOVING NE 15 KT. WITHIN 480 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 31N TO 40N E
OF 42W AND WITHIN 1080 NM SW AND 960 NM NW QUADRANTS WINDS 20 TO
30 KT. SEAS TO 10 FT. ALSO FROM 31N TO 34N BETWEEN 67W AND 74W
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 40N39W 1002 MB. E OF A LINE FROM 31N40W TO
THE LOW TO 46N35W AND WITHIN 300 NM W AND NW OF A LINE FROM
42N39W TO 34N42W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ALSO FROM
31N TO 50N E OF 53W AND FROM 31N TO 44N E OF 60W WINDS 20 TO 30
KT. SEAS 8 TO 12 FT IN MIXED SWELL. ALSO WITHIN AN AREA BOUNDED
BY A LINE FROM 31N60W TO 35N60W TO 31N76W TO 31N60W WINDS TO 25
KT. SEAS TO 9 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 39N39W 998 MB.WITHIN
600 NM N AND 360 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20
FT. ELSEWHERE WITHIN 780 NM N…480 NM S…900 NM SW AND 480 NM
NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN MIXED SWELL.
…GALE WARNING…
.LOW 52N50W 1016 MB MOVING NE 15 KT. WITHIN 120 NM S…SW AND 840
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 360 NM W AND NW OF A
LINE FROM 50N44W TO 61N47W AREA OF NW WINDS 20 TO 30 KT. SEAS TO
11 FT.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN LOW NW OF THE AREA 68N63W
1002 MB. WITHIN 300 NM W AND NW OF A LINE FROM 53N51W TO 61N54W
TO 67N56W AREA OF SE TO S WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 62N62W. WITHIN 300 NM
NE AND E OF A LINE FROM 63N60W TO 60N56W AND 300 NM E AND SE OF
LINE FROM 60N56W TO 52N55W WINDS 30 TO 45 KT. SEAS 9 TO 18
FT…HIGHEST NEAR 58N54W. ELSEWHERE WITHIN 360 NM NE…BETWEEN
120 NM AND 720 NM SE…180 NM SW QUADRANTS AND WITHIN 360 NM W
AND NW OF LINE FROM 52N55W TO 39N65W…INCLUDING THE GULF OF
SAINT LAWRENCE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST DENSE FOG VSBY OCCASIONALLY LESS THAN 1 NM.
FROM 49N TO 51N W OF 59W IN THE GULF OF SAINT LAWRENCE…FROM 52N
TO 58N BETWEEN 50W AND 57W AND W AND NW OF A LINE FROM 58N50W TO
62N51W TO 67N60W.
.LIGHT TO MODERATE FREEZING SPRAY W AND NW OF A LINE FROM 61N30W
TO 67N60W…E OF A LINE FROM 64N55W TO 67N56W TO W GREENLAND AND
N OF 64N
