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North Atlantic High Seas Forecast

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FZNT01 KWBC 210939
HSFAT1
HSFAT1 

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC THU MAR 21 2019 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT 
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED 
CORRECTLY. 

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.SHTML 
(LOWERCASE EXCEPT CAPITAL A IN ATL). 

SECURITE 

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

SYNOPSIS VALID 0600 UTC MAR 21. 
24 HOUR FORECAST VALID 0600 UTC MAR 22. 
48 HOUR FORECAST VALID 0600 UTC MAR 23. 

.WARNINGS. 

...STORM WARNING... 
.LOW 62N48W 982 MB MOVING NE 15 KT. OVER ICE FREE FORECAST 
WATERS WITHIN 360 NM E...780 NM S...AND 420 NM SW QUADRANTS 
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 
.24 HOUR FORECAST LOW 64N36W 980 MB. E OF A LINE FROM 61N42W TO 
57N38W WINDS 40 TO 55 KT. SEAS 13 TO 27 FT. ELSEWHERE WITHIN 720 
NM S AND 600 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. 
.48 HOUR FORECAST LOW E OF AREA. N OF 63N AND E OF 38W WINDS 20 
TO 30 KT. SEAS TO 10 FT. 

...GALE WARNING... 
.WITHIN 420 NM W OF A FRONT FROM 36N46W TO 31N60W AREA OF NE TO 
E WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. 
.24 HOUR FORECAST LOW 34N63W 1007 MB. FRONT TO EXTEND FROM THE 
LOW TO 35N52W TO 39N36W. OVER FORECAST WATERS WITHIN 180 NM S 
AND SE OF THE FRONT W OF 44W AND WITHIN 240 NM NW OF THE FRONT E 
OF 52W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 
45N70W DESCRIBED BELOW. 

...GALE WARNING... 
.LOW JUST E OF AREA 49N34W 1005 MB MOVING NE 45 KT AND RAPIDLY 
INTENSIFYING. OVER FORECAST WATERS WITHIN 780 NM SW QUADRANT 
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST CONDITIONS E OF AREA. 

...GALE WARNING... 
.LOW 34N78W 1011 MB MOVING NE 15 KT. OVER FORECAST WATERS W OF A 
LINE FROM 39N74W TO 34N64W AREA OF E TO SE WINDS 20 TO 30 KT. 
SEAS TO 13 FT. 
.24 HOUR FORECAST LOW 39N74W 997 MB. WITHIN 900 NM E...420 NM 
SE...AND 600 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW INLAND 45N70W 983 MB. WITHIN 1080 NM E AND 
720 NM S QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20 FT. 

...GALE WARNING...
.18 HOUR FORECAST OVER ICE FREE FORECAST WATERS W OF A LINE FROM 
60N53W TO 53N47W AREA OF SW TO W WINDS 20 TO 30 KT. SEAS TO 11 
FT. 
.24 HOUR FORECAST NEW LOW 59N62W 993 MB. WITHIN 420 NM E AND 840 
NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.30 HOUR FORECAST LOW 59N55W 992 MB. WITHIN 660 NM SE AND 240 NM 
S QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW DISSIPATED. FROM 51N TO 59N E OF 52W AND 
FROM 59N TO 62N E OF 43W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
NW AND W OF A LINE FROM 61N48W TO 55N51W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF 
GREENLAND AND N OF 60N BETWEEN GREENLAND AND 37W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF 
GREENLAND AND FROM 57N TO 62N W OF 58W. 

.SYNOPSIS AND FORECAST. 

.48 HOUR FORECAST OVER ICE FREE FORECAST WATERS SW OF A LINE 
FROM 61N58W TO 58N57W TO 58N54W AREA OF W TO NW WINDS 20 TO 30 
KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER ICE FREE 
FORECAST WATERS FROM 61N TO 63N BETWEEN 59W AND 61W. 
.24 HOUR FORECAST CONDITIONS IMPROVING. 

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM 
OVER ICE FREE FORECAST WATERS FROM 41N TO 48N BETWEEN 47W AND 
60W. 

.HIGH 42N59W 1031 MB MOVING NE 25 KT. 
.24 HOUR FORECAST HIGH 45N45W 1034 MB. 
.48 HOUR FORECAST HIGH 48N35W 1034 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 0600 UTC THU MAR 21.
24 HOUR FORECAST VALID 0600 UTC FRI MAR 22.
48 HOUR FORECAST VALID 0600 UTC SAT MAR 23.

.WARNINGS.

...ATLC GALE WARNING...
.STATIONARY FRONT FROM 31N61W TO LOW PRES 1009 MB NEAR 29N68W 
THEN COLD FRONT TO 22N74W TO 21N77W. OVER FORECAST WATERS N OF 
30N BETWEEN 65W AND 72W NE TO E WINDS 30 TO 35 KT. SEAS 12 TO 15 
FT. ELSEWHERE WITHIN 150 NM SE SEMICIRCLE OF THE LOW SW WINDS 20 
TO 25 KT. SEAS 8 TO 11 FT. REMAINDER AREA NW OF A LINE FROM 
31N59W TO 25N74W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE 
SWELL.  
.06 HOUR FORECAST LOW PRES 1010 MB NEAR 30N65W THEN COLD FRONT 
TO 21N75W. N OF 29N W OF THE FRONT TO 72W NE WINDS 20 TO 25 KT. 
SEAS 12 TO 13 FT. ELSEWHERE N OF 28N E OF THE FRONT TO 60W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER AREA NW OF A LINE 
FROM 31N60W TO 24N74W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL. 
.18 HOUR FORECAST COLD FRONT FROM 31N64W TO 26N67W TO 23N72W. N 
OF 28N BETWEEN 55W AND 77W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N62W TO 22N74W. 
REINFORCING COLD FRONT FROM 31N70W TO 27N75W. N OF 28N W OF 75W 
W TO NW WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE N OF 28N BETWEEN 
55W AND 65W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N58W TO 24N67W THEN 
STATIONARY TO 20N72W. N OF 30N BETWEEN 56W AND 59W SW WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE N OF 28N BETWEEN 64W AND 74W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 60 NM OFF THE COAST OF COLOMBIA BETWEEN 73W 
AND 75W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 60 NM OFF THE COAST OF COLOMBIA BETWEEN 
73W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 60 NM OFF THE COAST OF COLOMBIA BETWEEN 
73W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER NR. NATIONAL HURRICANE CENTER.