FZNT01 KWBC 211538
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT DEC 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1200 UTC DEC 21.
24 HOUR FORECAST VALID 1200 UTC DEC 22.
48 HOUR FORECAST VALID 1200 UTC DEC 23.
.WARNINGS.
…HURRICANE FORCE WIND WARNING…
.LOW 43N63W 988 MB MOVING NE 30 KT. S OF 50N BETWEEN 50W AND 65W
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.06 HOUR FORECAST LOW 46N60W 982 MB. FROM 37N TO 46N BETWEEN 52W
AND 58W WINDS 35 TO 50 KT. SEAS 11 TO 21 FT.
.24 HOUR FORECAST LOW 53N54W 964 MB. WITHIN 180 NM SE QUADRANT
WINDS 50 TO 65 KT. SEAS 18 TO 28 FT. ELSEWHERE WITHIN 300 NM
SE…360 NM NW QUADRANTS AND FROM 58N TO 60N BETWEEN 40W AND 50W
WINDS 40 TO 55 KT. SEAS 12 TO 24 FT. ALSO FROM 44N TO 61N W OF
35W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NE OF AREA 65N31W
963 MB. N OF 63N E OF 37W WINDS 40 TO 50 KT. SEAS 15 TO 28 FT.
ELSEWHERE N OF 53N E OF 48W WINDS 25 TO 40 KT. SEAS 16 TO 32 FT.
ALSO N OF 52N W OF 35W WINDS TO 25 KT. SEAS 10 TO 20 FT.
…STORM WARNING…
.FROM 57N TO 61N E OF 42W AREA OF W WINDS 40 TO 55 KT. SEAS 15
TO 27 FT. ELSEWHERE FROM 52N TO 62N E OF 48W AREA OF W TO NW
WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 39N52W 1009 MB. S OF 44N AND E OF A
LINE FROM 44N46W TO 32N57W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 47N42W 1003 MB. E OF A LINE FROM 49N40W TO
41N44W WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE S OF 50N E
OF 50W WINDS TO 25 KT. SEAS 8 TO 14 FT.
…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE FROM 63N51W TO
57N61W. LIGHT TO MODERATE FREEZING SPRAY N OF 50N W OF 44W…IN
GULF OF ST LAWERENCE…AND WITHIN 60 NM OF E GREENLAND COAST.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 64N52W TO 56N61W. LIGHT TO MODERATE FREEZING SPRAY N OF A
LINE FROM 42N67W TO 45N59W TO 60N43W TO 62N35W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N W OF
45W. LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 42N67W TO
48N52W TO 63N35W.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST FROM 34N TO 44N BETWEEN 60W AND 77W AREA OF NW
WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST FROM 35N TO 48N BETWEEN 50W AND 66W AREA OF NW
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 53N
BETWEEN 50W AND 70W AND N OF 60N W OF GREENLAND.
.24 HOUR FORECAST DENSE FOG N OF 51N W OF 50W AND FROM 57N TO
60N E OF 50W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 52N BETWEEN 40W AND 50W
…N OF 62N W OF GREENLAND…AND N OF 63N E OF GREENLAND.
.FORECASTER KREKELER. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO
SYNOPSIS VALID 1200 UTC SAT DEC 21.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 22.
48 HOUR FORECAST VALID 1200 UTC MON DEC 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N61W TO 31N63W TO 30N62W TO 29N62W TO 29N61W TO
30N61W TO 31N61W S WINDS 20 TO 25 KT. SEAS TO 8 FT. WITHIN
31N67W TO 31N76W TO 30N75W TO 28N75W TO 28N73W TO 30N71W TO
31N67W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 31N65W TO 31N77W TO 30N75W TO 29N74W TO
30N68W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N
SWELL.
.48 HOUR FORECAST WITHIN 31N51W TO 31N51.5W TO 31N51W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED NW SWELL AND SW WAVES. WITHIN
28N65W TO 31N65W TO 30N79W TO 28N80W TO 25N67W TO 27N62W TO
28N65W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED N AND NE
SWELL.
.ATLC LOW PRES NEAR 32.5N43W 1013 MB. WITHIN 31N35W TO 31N46W TO
29N40W TO 28N38W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. W OF
43W SEAS 8 TO 9 FT IN NE SWELL. ELSEWHERE SEAS 8 TO 10 FT IN E
SWELL.
.24 HOUR FORECAST LOW PRES WELL N OF AREA. WITHIN 31N35W TO
31N38W TO 29N37W TO 28N36W TO 27N35W TO 31N35W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN E SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N39W TO 23N39W TO 17N37W TO
15N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E
SWELL.
.ATLC WITHIN 21N55W TO 28N62W TO 22N59W TO 18N55W TO 18N52W TO
20N49W TO 21N55W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E
SWELL. WITHIN 16N57W TO 16N59W TO 15N60W TO 14N59W TO 12N59W TO
12N56W TO 16N57W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.ATLC WITHIN 10N40W TO 11N41W TO 10N41W TO 10N40W WINDS 20 KT OR
LESS. SEAS 8 FT IN MIXED N AND E SWELL.
.24 HOUR FORECAST WITHIN 10N41W TO 10N44W TO 12N46W TO 12N48W TO
07N46W TO 07N38W TO 10N41W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED N AND NE SWELL.
.48 HOUR FORECAST WITHIN 09N41W TO 13N48W TO 13N50W TO 11N54W TO
06N51W TO 07N41W TO 09N