Expires:No;;301541
FZNT01 KWBC 212151
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC FEB 21. 
24 HOUR FORECAST VALID 1800 UTC FEB 22. 
48 HOUR FORECAST VALID 1800 UTC FEB 23. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 42N65W 1004 MB MOVING E 40 KT AND RAPIDLY INTENSIFYING. 
FROM 34N TO 41N BETWEEN 60W AND 70W WINDS 25 TO 40 KT. SEAS 9 TO 
16 FT. ELSEWHERE FROM 32N TO 42N BETWEEN 59W AND 73W...AND 
WITHIN 180 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 40N43W 971 MB. WITHIN 240 NM SW SEMICIRCLE 
WINDS 45 TO 65 KT. SEAS 20 TO 35 FT. ELSEWHERE WITHIN 420 NM 
SE...480 NM S...300 NM SW AND 240 NM NW QUADRANTS WINDS 40 TO 55 
KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 300 NM NE...600 NM 
SE...780 NM SW AND 360 NM NW QUDRANTS WINDS 30 TO 45 KT. SEAS 10 
TO 18 FT. ELSEWHERE S OF 41N E OF 66W...AND BETWEEN 40N AND 45N 
E OF 55W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW E OF AREA 48N31W 954 MB. WITHIN 300 NM SW 
AND 240 NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS 20 TO 30 FT. 
ELSEWHERE FROM 40N TO 50N E OF 50W...AND FROM 50N TO 53N E OF 
39W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT. ELSEWHERE S OF 50N E OF 
60W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. 

...STORM WARNING... 
.LOW 63N39W 948 MB MOVING NW 15 KT. FROM 57N TO 62N BETWEEN 44W 
AND 52N...ALSO N OF 64N E OF GREENLAND WINDS 40 TO 55 KT. SEAS 
18 TO 33 FT. ELSEWHERE WITHIN 240 NM NE...360 NM SE...600 NM SW 
AND 600 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 32 FT. 
ELSEWHERE BETWEEN 50N AND 55N W OF 40W WINDS 20 TO 30 KT. SEAS 
13 TO 21 FT. 
.24 HOUR FORECAST LOW AND CONDITIONS INLAND. 

...STORM WARNING... 
.LOW 45N36W 977 MB MOVING E 25 KT. FROM 38N TO 47N BETWEEN 37W 
AND 43W...ALSO FROM 33N TO 38N E OF 41W WINDS 35 TO 50 KT. SEAS 
18 TO 33 FT. ELSEWHERE S OF 44N E OF 47W...AND WITHIN 480 NM W 
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 23 FT. ELSEWHERE S OF 
50N E OF 51W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. 

...STORM WARNING... 
.24 HOUR FORECAST LOW E OF AREA 58N32W 972 MB. WITHIN 180 NM W 
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 14 TO 20 FT. 
.36 HOUR FORECAST LOW 62N32W 966 MB. FROM 58N TO 61N E OF 38W 
WINDS 35 TO 50 KT. SEAS 14 TO 21 FT.
.48 HOUR FORECAST LOW 66N40W 967 MB. N OF 60N E OF GREENLAND 
WINDS 30 TO 45 KT. SEAS 12 TO 24 FT. 

...GALE WARNING... 
.24 HOUR FORECAST W OF A LINE FROM 62N56W TO 53N48W WINDS 20 TO 
30 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST WITHIN 180 NM W AND SW OF A LINE FROM 57N50W 
TO 53N50W TO 51N46W TO 48N45W WINDS 25 TO 40 KT. SEAS 10 TO 18 
FT. ELSEWHERE W OF A LINE FROM 67N54W TO 50N45W WINDS 20 TO 30 
KT. SEAS TO 12 FT. 

...GALE WARNING...
.48 HOUR FORECAST LOW 56N39W 983 MB. WITHIN 240 NM E...180 NM 
N...180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
N OF 60N W OF GREENLAND...ALSO W OF A LINE FROM 60N49W TO 55N52W 
TO 50N47W TO 46N46W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 67N50W TO 60N55W TO 53N49W TO 46N47W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF 
GREENLAND...ALSO W OF A LINE FROM 62N50W TO 60N56W TO 48N43W TO 
44N47W. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS FROM 59N TO 63N BETWEEN 57W 
AND 60W. 
.24 HOUR FORECAST CONDITIONS IMPROVED. 

.HIGH 31N62W 1026 MB MOVING S 15 KT. 
.24 HOUR FORECAST HIGH MOVED S OF AREA. 

.FORECASTER SHAW. 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 THU FEB 21.
24 HOUR FORECAST VALID 1200 UTC FRI FEB 22.
48 HOUR FORECAST VALID 1200 UTC SAT FEB 23.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.06 HOUR FORECAST FROM 10N TO 18N BETWEEN 67W AND 81W NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.15 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE WINDS 
30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
65W AND 82W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 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. 
.39 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 
64W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LITTLE CHANGE.

...ATLC GALE WARNING...
.36 HOUR FORECAST NEW COLD FRONT FROM 31N45W TO 30N50W TO 
29N65W. N OF 30N BETWEEN 37W AND 40W SW WINDS 30 TO 35 KT. SEAS 
17 TO 19 FT. ELSEWHERE N OF 28N SE OF COLD FRONT SW WINDS 20 TO 
30 KT. SEAS 12 TO 18 FT. NW OF COLD FRONT TO 56W W TO NW WINDS 
20 TO 30 KT. SEAS 13 TO 18 FT. REMAINDER AREA N OF 26N E OF 61W 
WINDS 20 KT OR LESS. SEAS 8 TO 18 FT IN N AND NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N35W TO 28N44W TO 25N57W.
N OF 27N WITHIN 150 NM SE OF COLD FRONT SW WINDS 20 TO 30 KT. 
SEAS 13 TO 21 FT PRIMARILY IN NW SWELL. ELSEWHERE N OF 11N E OF 
65W WINDS 20 OR LESS. SEAS 8 TO 21 FT IN N AND NW SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 26N35W TO 21N55W TO 22N65W. N OF 27N E OF 
52W W TO NW WINDS 20 TO 25 KT. SEAS 13 TO 19 FT IN NW SWELL.
ELSEWHERE N OF 22N E OF 63W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT 
IN MIXED SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 22N35W TO 19N41W 
TO 17N45W. N OF 29N BETWEEN 45W AND 60W SW TO W WINDS 20 TO 25 
KT. SEAS 11 TO 16 FT. ELSEWHERE E OF LINE FROM 31N61W TO 21N62W 
TO 23N73W TO 17N62W TO 11N61W TO 10N56W TO 16N56W TO 17N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 22 FT IN MIXED N AND NW SWELL... 
HIGHEST NE PART.
.48 HOUR FORECAST FRONT DISSIPATED. CONDITIONS MERGED WITH GALE 
AREA. 

.ATLC FROM 20N TO 22N BETWEEN 62W AND 65W NE WINDS 20 KT. SEAS 8 
FT. ELSEWHERE FROM 20N TO 25N BETWEEN 61W AND 71W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. CONDITIONS MERGED WITH 
GALE AREA.

.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.
.06 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.