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NOAA>NWS>NCEP>OPC>Marine>Atlantic>High Seas>North Atlantic High Seas Forecast

North Atlantic High Seas Forecast

[Printable Version]   [Alt Link/Previous Versions]
FZNT01 KWBC 250345
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC SAT MAR 25 2017 

CCODE/1:31:04:01:00/AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

PAN PAN 

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 

SYNOPSIS VALID 0000 UTC MAR 25 
24 HOUR FORECAST VALID 0000 UTC MAR 26 
48 HOUR FORECAST VALID 0000 UTC MAR 27 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.OVER FORECAST WATERS W OF A LINE FROM 44N62W TO 36N70W AREA OF 
S TO SW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST NEW LOW 44N53W 1007 MB. WITHIN 300 NM SE AND 
600 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 8 TO 15 FT.  
.42 HOUR FORECAST LOW 46N45W 991 MB. WITHIN 360 NM SE AND 240 NM 
SW QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW 49N43W 969 MB. WITHIN 180 NM SW SEMICIRCLE 
WINDS 50 TO 65 KT. SEAS 18 TO 29 FT. ELSEWHERE WITHIN 240 NM NE 
AND 360 NM SW SEMICIRCLES WINDS 40 TO 50 KT. SEAS 14 TO 24 FT. 
ALSO WITHIN 600 NM NE...840 NM SE...720 NM SW...AND 420 NM NW 
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

...GALE WARNING... 
.LOW 64N38W 972 MB DRIFTING NE. OVER ICE FREE FORECAST WATERS N 
OF 57N AND E OF 48W WINDS 30 TO 45 KT. SEAS 12 TO 25 FT.  
.24 HOUR FORECAST LOW 66N36W 1001 MB. WITHIN 360 NM SW QUADRANT 
WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW NE OF AREA AND ASSOCIATED CONDITIONS 
DIMINISHED. 

...GALE WARNING... 
.LOW 46N38W 1009 MB MOVING NE 25 KT. OVER FORECAST WATERS WITHIN 
120 NM E...600 NM S...AND 540 NM SW QUADRANTS WINDS 25 TO 40 KT. 
SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. 

...GALE WARNING... 
.LOW 61N66W 990 MB MOVING SE 10 KT. OVER ICE FREE FORECAST 
WATERS WITHIN 600 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 59N55W 996 MB. BETWEEN 240 NM AND 360 NM 
NE AND 300 NM AND 840 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 
11 FT.
.30 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 57N56W 997 MB AND 
SECOND NEW LOW 58N50W. WITHIN 120 NM E OF A FRONT TO EXTEND FROM 
NEW LOW TO 54N47W TO 49N49W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 55N54W 1004 MB. BETWEEN 300 NM AND 360 NM 
NE AND 300 NM AND 480 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 
TO 15 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
NE AND E OF A LINE FROM 63N56W TO 61N49W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A 
LINE FROM 64N52W TO 63N56W AND W OF A LINE FROM 56N53W TO 55N51W 
TO 51N51W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A 
LINE FROM 64N52W TO 61N58W AND FROM 46N TO 52N W OF 46W. 

.SYNOPSIS AND FORECAST. 

.HIGH 34N66W 1033 MB MOVING SE 15 KT. 
.24 HOUR FORECAST HIGH 33N58W 1030 MB. 
.48 HOUR FORECAST HIGH 35N66W 1033 MB. 

.FORECASTER BELL. 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 0000 UTC SAT MAR 25.
24 HOUR FORECAST VALID 0000 UTC SUN MAR 26.
48 HOUR FORECAST VALID 0000 UTC MON MAR 27.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM 31N47W TO 27N53W TO 26N58W THEN STATIONARY 
TO 24N80W. TROUGH FROM 30N46W TO 25N54W TO 24N58W TO LOW PRES 
1014 MB NEAR 21N63W TO 18N67W. W OF LINE FROM 31N48W TO 24N60W 
TO 19N62W AND S OF LINE FROM 31N48W TO 31N50W TO 30N54W TO 
30N68W TO 27N80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 16 FT 
OUTSIDE BAHAMAS AND SEAS TO 9 FT INSIDE BAHAMAS. N OF LINE FROM 
31N50W TO 30N54W TO 30N68W TO 27N80W AND S OF 31N WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW TO N SWELL E OF 65W AND 8 TO 10 FT 
IN N TO NE SWELL W OF 65W.
.18 HOUR FORECAST COLD FRONT FROM 31N41W TO 26N51W THEN 
STATIONARY TO LOW PRES 1014 MB NEAR 21N68W. FROM 24N TO 26N 
BETWEEN 66W AND 68W NE TO E WINDS 30 TO 35 KT. SEAS 14 TO 16 FT. 
ELSEWHERE AREA BOUNDED BY 29N72W TO 28N55W TO 25N55W TO 22N71W 
TO 23N74W TO 25N75W TO 29N72W NE TO E WINDS 20 TO 30 KT. SEAS 10 
TO 15 FT. REMAINDER OF AREA W OF LINE FROM 31N41W TO 20N57W TO 
18N62W TO THE E OF 78W AND S OF LINE FROM 31N41W TO 31N57W TO 
29N78W WINDS 20 KT OR LESS. E OF 60W...SEAS 8 TO 11 FT IN MIXED 
NE AND NW SWELL. W OF 60W...SEAS 8 TO 11 FT IN NE TO E SWELL 
OUTSIDE BAHAMAS.
.24 HOUR FORECAST COLD FRONT FROM 31N39W TO 26N49W THEN 
STATIONARY TO LOW PRES 1014 MB NEAR 21N69W. FROM 24N TO 26N 
BETWEEN 66W AND 69W NE TO E WINDS 30 TO 35 KT. SEAS 14 TO 15 FT. 
ELSEWHERE AREA BOUNDED BY 30N66W TO 27N55W TO 22N63W TO 24N67W 
TO 22N72W TO 24N76W TO 27N75W TO 30N66W NE TO E WINDS 20 TO 30 
KT. SEAS 9 TO 14 FT. REMAINDER OF AREA W OF LINE FROM 31N39W TO 
19N56W TO 17N62W AND S OF LINE FROM 31N39W TO 31N53W TO 30N58W 
TO 30N70W TO 28N78W WINDS 20 KT OR LESS. E OF 60W...SEAS 8 TO 10 
FT IN MIXED NE AND NW SWELL. W OF 60W...SEAS 8 TO 10 FT IN NE TO 
E SWELL OUTSIDE BAHAMAS. 
.48 HOUR FORECAST COLD FRONT FROM 29N35W TO 28N44W THEN 
STATIONARY TO 26N54W TO 25N65W TO LOW PRES 1008 MB NEAR 25N69W. 
FROM 26.5N TO 28.5N BETWEEN 66W AND 71W NE TO E WINDS 30 TO 35 
KT. SEAS 12 TO 16 FT. ELSEWHERE N OF LOW TO 31N BETWEEN 60W AND 
74W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 
22N TO 31N BETWEEN 60W AND 77W AND N OF BAHAMAS SEAS 8 TO 10 FT 
IN E TO SE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC AREA BOUNDED BY 28N35W TO 16N35W TO 11N47W TO 18N52W TO 
28N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW 
SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN WINDWARD PASSAGE N OF 18N NE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT. N OF 19.5N BETWEEN 77.5W AND 81W NE WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 24N AND E OF 85W E WINDS 20 TO 25 KT. SEAS 
TO 8 FT. FROM 21N TO 23N BETWEEN 88W AND 92W E TO SE WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT. N OF 28N BETWEEN 92W AND 96W S WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


NOAA/ National Weather Service
National Centers for Environmental Prediction
NOAA Center for Weather and Climate Prediction (NCWCP)
Ocean Prediction Center
Mr. Darin Figurskey
Chief, Ocean Forecast Branch
NCWCP, W/NP41
5830 University Research Court
College Park, Maryland 20740-3818

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Page last modified:  Monday, July 25, 2016 12:55:28 UTC