North Atlantic High Seas Forecast

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FZNT01 KWBC 211015
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC THU FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

PAN PAN 

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

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

.WARNINGS. 

...HURRICANE FORCE WIND WARNING...
.LOW 39N74W 1013 MB MOVING NE 40 KT AND RAPIDLY INTENSIFYING. 
OVER FORECAST WATERS FROM 34N TO 41N BETWEEN 68W AND 75W WINDS 
25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 41N54W 989 MB. WITHIN 420 NM W...600 NM 
SW...AND 480 NM S QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 20 FT. 
ELSEWHERE FROM 31N TO 44N BETWEEN 48W AND 72W WINDS 25 TO 35 KT. 
SEAS 8 TO 16 FT.
.30 HOUR FORECAST LOW 40N49W 987 MB. WITHIN 180 NM NW...360 NM 
W...AND 480 NM S QUADRANTS WINDS 40 TO 55 KT. SEAS 16 TO 25 
FT...HIGHEST W QUADRANT.
.42 HOUR FORECAST LOW 40N39W 971 MB. WITHIN 300 NM SW SEMICIRCLE 
WINDS 50 TO 65 KT. SEAS 21 TO 41 FT. ELSEWHERE FROM 31N TO 43N E 
OF 47W WINDS 35 TO 50 KT. SEAS 18 TO 28 FT.
.48 HOUR FORECAST LOW 42N36W 965 MB. WITHIN 180 NM NW AND 
W...AND 300 NM S QUADRANTS WINDS 50 TO 65 KT. SEAS 25 TO 46 FT. 
ALSO FROM 34N TO 46N E OF 44W AND SE OF A LINE FROM 31N40W TO 
34N35W WINDS 35 TO 50 KT. SEAS 16 TO 30 FT. ELSEWHERE FROM 31N 
TO 50N E OF 62W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...STORM WARNING...
.LOW 59N35W 940 MB MOVING NW 15 KT. OVER FORECAST WATERS WITHIN 
300 NM SW AND 420 NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS 17 TO 
25 FT. ELSEWHERE N OF 51N WINDS 25 TO 40 KT. SEAS 10 TO 22 
FT...HIGHEST NEAR 53N45W.
.24 HOUR FORECAST LOW INLAND 63N43W 962 MB. NW OF A LINE FROM 
59N42W TO 61N35W E OF GREENLAND WINDS 35 TO 45 KT. SEAS 19 TO 33 
FT...HIGHEST NEAR 65N36W. ELSEWHERE N OF 51N WINDS 25 TO 35 KT. 
SEAS 9 TO 22 FT...HIGHEST WITHIN 120 NM OF 59N42W.
.48 HOUR FORECAST LOW WELL N OF AREA. W OF A LINE FROM 52N50W TO 
60N51W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE SW OF A 
LINE FROM 51N45W TO 61N51W TO 66N54W WINDS 20 TO 30 KT. SEAS 8 
TO 14 FT.

...STORM WARNING...
.LOW 47N39W 974 MB MOVING SE 20 KT. WITHIN 180 NM SW QUADRANT 
WINDS 40 TO 50 KT. SEAS 20 TO 30 FT. ELSEWHERE FROM 31N TO 51N E 
OF 60W WINDS 25 TO 40 KT. SEAS 12 TO 29 FT...HIGHEST FROM 31N TO 
43N E OF 52W.
.24 HOUR FORECAST LOW E OF AREA. FROM 31N TO 49N E OF 47W WINDS 
20 TO 30 KT. SEAS 14 TO 32 FT...HIGHEST NEAR 38N35W.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.

...STORM WARNING...
.36 HOUR FORECAST LOW E OF AREA 58N31W 968 MB. OVER FORECAST 
WATERS WITHIN 240 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 11 TO 
17 FT.
.48 HOUR FORECAST LOW E OF AREA. NW OF A LINE FROM 62N41W TO 
64N35W E OF GREENLAND WINDS 40 TO 50 KT. SEAS 12 TO 20 FT. 
ELSEWHERE N OF 56N E OF 45W WINDS 25 TO 40 KT. SEAS 9 TO 20 
FT...HIGHEST NEAR 60N35W.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
N AND NW OF A LINE FROM 43N59W TO 43N47W TO 53N47W TO 58N51W TO 
61N48W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A 
LINE FROM 47N46W TO 55N48W TO 61N48W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 45N45W TO 54N45W TO 59N52W TO 63N51W. 

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST OVER FORECAST WATERS NW OF A LINE FROM 32N79W 
TO 34N75W WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST NEW LOW 51N38W 991 MB. N OF 50N TO 54N E OF 
40W WINDS TO 25 FT. SEAS 8 TO 14 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 60 NM OF 
59N36W. 
.24 HOUR DENSE FOG OVER ICE FREE FORECAST WATERS FROM 62N TO 64N 
W OF 56W. 
.48 HOUR FORECAST CONDITIONS IMPROVED. 

.HIGH 40N65W 1029 MB MOVING SE 45 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 

.HIGH 34N64W 1029 MB MOVING S 40 KT.
.24 HOUR FORECAST HIGH MOVED S OF AREA.

.FORECASTER FOLMER. 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 FEB 21.
24 HOUR FORECAST VALID 0600 UTC FRI FEB 22.
48 HOUR FORECAST VALID 0600 UTC SAT FEB 23.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM 26N35W TO 22N55W TO 23N65W. N OF 27N E OF
53W W TO NW WINDS 20 TO 25 KT. SEAS 12 TO 17 FT IN NW SWELL.
ELSEWHERE N OF 22N E OF 62W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT
IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 23N35W TO 19N43W. N
OF 28N E OF 38W NW WINDS 20 TO 25 KT. SEAS 20 TO 24 FT IN NW
SWELL. ELSEWHERE N OF 23N E OF 55W WINDS 20 KT OR LESS. SEAS 12
TO 20 FT IN NW SWELL. REMAINDER OF AREA N OF 18.5N E OF 62W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. 
.48 HOUR FORECAST FRONT DISSIPATED. NEW COLD FRONT FROM 31N40W TO
29N65W. N OF 27N E OF 40W SW WINDS 25 TO 35 KT. SEAS 16 TO 21 FT
PRIMARILY IN NW SWELL. ELSEWHERE N OF 27N E OF 55W NE WINDS 20 
TO 25 KT. SEAS 12 TO 16 FT IN NW SWELL. REMAINDER OF AREA N OF
14N E OF 62W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW TO N
SWELL...HIGHEST NEAR 23N35W. 

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 11N TO 13N BETWEEN 73W AND 76W NE WINDS 30 TO 35
KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10.5N TO 18N BETWEEN 67W
AND 81W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.06 HOUR FORECAST FROM 10.5N TO 18N BETWEEN 67W
AND 81W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE WINDS 
30 TO 35
KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10.5N TO 18N BETWEEN 65W
AND 82W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST S OF 18N BETWEEN 62W AND 82W NE TO E WINDS 20
TO 30 KT. SEAS 12 TO 14 FT FROM 11N TO 14N BETWEEN 74W AND
78W...AND 8 TO 12 FT ELSEWHERE. 
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE TO E
WINDS 30 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE S OF 18N BETWEEN
65W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.ATLC FROM 23N TO 26N BETWEEN 65W AND 70W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE SWELL. 
.24 HOUR FORECAST FROM 18N TO 23N BETWEEN 62W AND 70W WINDS 20 KT
OR LESS. SEAS 8 FT IN NE SWELL. FROM 10N TO 17N W OF 65W WINDS 20
KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST FROM 12N TO 21N BETWEEN 55W AND 65W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.

.ATLC S OF 22N BETWEEN 70W AND 74W...INCLUDING APPROACHES TO
WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN S OF 19N W OF 85W...INCLUDING GULF OF HONDURAS...E TO
SE WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO AREAS OF DENSE FOG WITH VISIBILITY 1 NM OR LESS
WITHIN 30 NM OF COAST BETWEEN 87W AND 91W.
.12 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.