FZNT01 KWBC 131620
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI DEC 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 13.
24 HOUR FORECAST VALID 1200 UTC DEC 14.
48 HOUR FORECAST VALID 1200 UTC DEC 15.
.WARNINGS.
…STORM WARNING…
.LOW 62N63W 958 MB MOVING SE 15 KT. WITHIN 90 NM NW
SEMICIRCLE…NW OF LINE FROM LOW TO 65N58W WINDS 45 TO 60 KT.
SEAS 17 TO 26 FT. ELSEWHERE NW OF LINE FROM 60N64W TO
67N54W…FROM 55N TO 62N BETWEEN 50W AND 62W…N OF 62N WITHIN
60 NM OF W COAST OF GREENLAND WINDS 35 TO 45 KT. SEAS 12 TO 22
FT. ELSEWHERE N OF 50N W OF 43W WINDS 25 TO 35 KT. SEAS 12 TO 18
FT.
.24 HOUR FORECAST LOW 60N51W 980 MB. WITHIN 720 NM S
SEMICIRCLE…INCLUDING WITHIN GULF OF SAINT LAWRENCE…AND N OF
60N W OF GREENLAND WINDS 25 TO 40 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW 64N38W 983 MB. FROM 49N TO 63N BETWEEN 35W
AND 59W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
…STORM WARNING…
.NEW LOW 61N39W 1004 MB MOVING NE 15 KT. WITHIN 120 NM NW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST LOW 64N36W 993 MB RAPIDLY INTENSIFYING. WITHIN
90 NM NW SEMICIRCLE WINDS 45 TO 55 KT. SEAS 12 TO 17 FT.
.24 HOUR FORECAST LOW NE OF AREA 66N31W 978 MB. N OF 60N E OF
GREENLAND WINDS 20 TO 30 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.
…GALE WARNING…
.LOW E OF AREA 36N28W 1020 MB MOVING SW 20 KT. SE OF LINE FROM
31N43W TO 43N35W WINDS LESS THAN 25 KT. SEAS 10 TO 14 FT.
.24 HOUR FORECAST LOW SE OF AREA 29N31W 1009 MB. SE OF LINE FROM
31N44W TO 39N35W WINDS 25 TO 35 KT. SEAS 12 TO 17 FT.
.48 HOUR FORECAST COMPLEX LOW E OF AREA WITH MEAN CENTER 32N31W
993 MB. SE OF LINE FROM 31N43W TO 39N35W WINDS 25 TO 35 KT. SEAS
12 TO 18 FT.
…GALE WARNING…
.24 HOUR FORECAST S OF 34N W OF 62W WINDS 25 TO 35 KT. SEAS 12
TO 16 FT.
.48 HOUR FORECAST S OF 34N W OF 60W WINDS 20 TO 30 KT. SEAS 12
TO 16 FT.
…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 66N53W TO
62N65W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 67N56W TO 61N62W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY W OF A LINE FROM 61N61W TO 55N52W TO 47N61W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 67N53W TO 63N60W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY W OF A LINE FROM 63N60W TO 59N59W TO 52N51W TO 48N61W.
.SYNOPSIS AND FORECAST.
.FROM 39N TO 43N BETWEEN 54W AND 58W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.24 HOUR FORECAST WITHIN 60 NM ON EITHER SIDE OF FRONT FROM
36N56W TO 42N49W WINDS TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 60 NM ON EITHER SIDE OF FRONT FROM
35N54W TO 44N42W WINDS 20 TO 30 KT. SEAS 10 TO 15 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM NW OF
A LINE FROM 61N35W TO 54N38W TO 44N50W.
.24 HOUR FORECAST DENSE FOG FROM 61N TO 66N BETWEEN 50W AND 54W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM OF W COAST OF
GREENLAND.
.FORECASTER POCHE. 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 FRI DEC 13.
24 HOUR FORECAST VALID 1200 UTC SAT DEC 14.
48 HOUR FORECAST VALID 1200 UTC SUN DEC 15.
.WARNINGS.
…GALE WARNING…
.ATLC STATIONARY FRONT 31N69W TO 22N78W. WITHIN 31N68W TO 31N73W
TO 28N80W TO 23N81W TO 22N79W TO 27N71W TO 31N68W…INCLUDING
STRAITS OF FLORIDA AND ATLANTIC EXPOSURES…NE WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 31N62W TO
20N65W. WITHIN 31N63W TO 31N81W TO 23N81W TO 21N71W TO
31N63W…INCLUDING STRAITS OF FLORIDA AND ATLANTIC EXPOSURES…
NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. WITHIN 31N50W TO 31N62W TO
20N71W TO 18N50W TO 31N50W E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.30 HOUR FORECAST LITTLE CHANGE…EXCEPT NE WINDS 25 TO 35 KT
FROM 27N TO 29N BETWEEN 70W TO 74W.
.42 HOUR FORECAST TROUGH FROM 31N62W TO 20N70W, WITHIN 31N63W TO
31N81W TO 24N81W TO 24N72W TO 31N63W…INCLUDING ATLANTIC
EXPOSURES…NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. WITHIN
26N53W TO 31N58W TO 31N63W TO 22N74W TO 18N50W TO
26N53W…INCLUDING ATLANTIC EXPOSURES… E WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 31N63W TO 26N69W TO 20N69W TO 21N46W TO
31N35W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST CONDITIONS MERGED WITH FEATURES DESCRIBED
ABOVE.
.ATLC WITHIN 14N45W TO 15N50W TO 07N46W TO 07N37W TO 10N38W TO
14N45W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.ATLC 24 HOUR FORECAST WITHIN 31N35W TO 31N50W TO 19N50W TO
21N39W TO 23N35W TO 31N35W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
.48 HOUR FORECAST WITHIN 31N35W TO 31N39W TO 27N39W TO 26N35W TO
31N35W N WINDS 20 TO 30 KT. SEAS 13 TO 17 FT. WITHIN 27N35W TO
31N37W TO 31N50W TO 22N49W TO 19N41W TO 20N35W TO 27N35W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN N TO NE SWELL.
.CARIBBEAN WITHIN 21N80W TO 23N82W TO 22N87W TO 16N86W TO 17N81W
TO 21N80W…INCLUDING IN YUCATAN CHANNEL… NE WINDS 20 TO 25
KT. SEAS TO 8 FT. WITHIN 20N73W TO 19N77W TO 16N79W TO 15N79W TO
16N77W TO 17N75W TO 20N73W…INCLUDING BETWEEN CUBA AND
JAMAICA…NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN
17N69W TO 19N70W TO 17N73W TO 16N73W TO 15N73W TO 15N71W TO
17N69W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 20N77W TO 22N79W TO 23N83W TO 21N86W TO
17N82W TO 17N79W TO 20N77W…INCLUDING IN YUCATAN CHANNEL AND
BETWEEN CUBA AND JAMAICA… NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT. WITHIN 20N73W TO 20N74W TO 16N79W TO 15N80W TO 15N77W
TO 16N75W TO 20N73W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 21N86W TO 21N87W TO 19N87W TO 17N87W TO
17N85W TO 18N85W TO 21N86W WINDS 20 KT OR LESS. SEAS 8 FT IN NE
TO E SWELL.
.CARIBBEAN WITHIN 12N74W TO 13N75W TO 13N76W TO 12N78W TO 10N77W
TO 10N76W TO 12N74W NE TO E WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT
