North Atlantic High Seas Forecast

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FZNT01 KWBC 190400
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC MON FEB 19 2018 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 FEB 19 
24 HOUR FORECAST VALID 0000 UTC FEB 20 
48 HOUR FORECAST VALID 0000 UTC FEB 21 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 42N55W 984 MB MOVING E 35 KT. WITHIN 180 NM S AND 120 NM W 
QUADRANTS WINDS 60 TO 80 KT. SEAS 20 TO 35 FT. ELSEWHERE WITHIN 
240 NM E AND W...300 NM S...AND 180 NM N QUADRANTS WINDS 40 TO 
60 KT. SEAS 15 TO 30 FT. ALSO FROM 35N TO 45N BETWEEN 48W AND 
63W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW 42N41W 985 MB. WITHIN 240 NM W SEMICIRCLE 
WINDS 50 TO 75 KT. SEAS 30 TO 50 FT...HIGHEST SW OF LOW CENTER. 
ELSEWHERE WITHIN 360 NM W SEMICIRCLE AND BETWEEN 240 NM AND 360 
NM NE QUADRANT WINDS 35 TO 50 KT. SEAS 22 TO 42 FT...HIGHEST S 
AND W OF LOW CENTER. ALSO FROM 34N TO 49N E OF 49W WINDS 25 TO 
35 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 41N34W 998 MB. FROM 36N TO 43N BETWEEN 37W 
AND 40W WINDS 40 TO 50 KT. SEAS 24 TO 36 FT. ELSEWHERE OVER 
FORECAST WATERS S OF 45N E OF 43W WINDS 25 TO 40 KT. SEAS 15 TO 
30 FT.  

...HURRICANE FORCE WIND WARNING... 
.LOW 58N33W 959 MB MOVING NE 35 KT. OVER ICE FREE FORECAST 
WATERS WITHIN 240 NM SW QUADRANT AND WITHIN 90 NM N AND W OF A 
FRONT EXTENDING FROM 60N40W TO 64N35W WINDS 40 TO 55 KT. SEAS 24 
TO 36 FT. ELSEWHERE N OF 51N E OF 48W EXCEPT WITHIN 240 NM NW 
QUADRANT WINDS 25 TO 40 KT. SEAS 14 TO 28 FT. 
.24 HOUR FORECAST LOW NE OF AREA 66N30W 969 MB. WITHIN 90 NM N 
OF A LINE FROM 60N42W TO 61N35W WINDS 50 TO 65 KT. SEAS 24 TO 36 
FT. ELSEWHERE FROM 58N TO 63N E OF 44W WINDS 40 TO 50 KT. SEAS 
18 TO 28 FT. ALSO N OF 56N AND S OF A LINE FROM 59N52W TO 64N35W 
WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 66N39W 990 MB. N 
OF 63N E OF GREENLAND WINDS 25 TO 35 KT. SEAS 14 TO 28 FT.

...GALE WARNING... 
.36 HOUR FORECAST LOW 57N50W 1003 MB. OVER FORECAST WATERS 
WITHIN 240 NM S QUADRANT WINDS 25 TO 35 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 60N50W 984 MB. WITHIN 120 NM OF LOW CENTER 
WINDS 30 TO 45 KT. SEAS 12 TO 20 FT. ELSEWHERE FROM 52N TO 63N W 
OF 39W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.

...HEAVY FREEZING SPRAY WARNING... 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A 
LINE FROM 59N43W TO 53N51W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 60N44W TO 50N50W. 

.SYNOPSIS AND FORECAST. 

.48 HOUR FORECAST FROM 39N TO 44N W OF 54W AREA OF SW WINDS 20 
TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM N 
OF 59N W OF 54W.
.48 HOUR FORECAST DENSE FOG N OF 56N W OF 55W AND WITHIN 90 NM N 
OF A LINE FROM 40N71W TO 43N55W.

.HIGH 42N38W 1026 MB MOVING NE 40 KT. 
.24 HOUR FORECAST HIGH E OF AREA. 

.HIGH 39N73W 1032 MB MOVING E 35 KT. 
.24 HOUR FORECAST HIGH 40N60W 1039 MB. 
.48 HOUR FORECAST HIGH 35N58W 1039 MB. 

.FORECASTER KREKELER. 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 MON FEB 19.
24 HOUR FORECAST VALID 0000 UTC TUE FEB 20.
48 HOUR FORECAST VALID 0000 UTC WED FEB 21.

.WARNINGS.

...CARIBBEAN GALE WARNING...  
.FROM 10.5N TO 13N BETWEEN 73.5W AND 76W NE WINDS 30 TO 35 KT. 
SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 17N BETWEEN 68W AND 80W 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMAINDER CARIBBEAN 
S OF 16N BETWEEN 76W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE TO E SWELL. FROM 14N TO 17N BETWEEN 65W AND 70W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN E SWELL. WINDWARD PASSAGE NE WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT. 
.18 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
25 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
70W AND 81W NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. E OF 
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. REMAINDER CARIBBEAN S OF 16.5N BETWEEN 76W AND 
83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. 
WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
70W AND 82W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. E OF 
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT...AND TO 9 FT IN THE ATLC PASSAGES. REMAINDER 
CARIBBEAN S OF 17N BETWEEN 76W AND 83W WINDS 20 KT OR LESS. SEAS 
8 TO 11 FT IN NE TO E SWELL. WINDWARD PASSAGE E OF 78W NE WINDS 
20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
25 TO 35 KT. SEAS 11 TO 15 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
70W AND 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. E OF 
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT...AND 8 TO 9 FT IN THE ATLC PASSAGES. REMAINDER 
CARIBBEAN S OF 17N BETWEEN 76W AND 83W WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN NE TO E SWELL. WINDWARD PASSAGE E OF 78W NE WINDS 
20 TO 30 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.ATLC S OF 21N E OF 40W WINDS 20 KT OR LESS. SEAS TO 9 FT 
PRIMARILY IN N SWELL. S OF 20N BETWEEN 50W AND 60W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST S OF 16N BETWEEN 40W AND 50W...AND S OF 22N 
BETWEEN 50W AND 70W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.36 HOUR FORECAST S OF 17N BETWEEN 45W AND 55W...AND S OF 23N 
BETWEEN 55W AND 70W NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST S OF 17N BETWEEN 43W AND 55W...AND S OF 22N 
BETWEEN 55W AND 70W NE WINDS 20 TO 25 KT. SEAS TO 9 FT.

.ATLC S OF 21.5N BETWEEN 70W AND 75W...INCLUDING ATLC APPROACH 
TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT. 
.12 HOUR FORECAST S OF 23N BETWEEN 70W AND 78W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 8 FT. 
.24 HOUR FORECAST S OF 21N BETWEEN 71W AND 74W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 25 TO 30 KT. SEAS 8 
TO 9 FT. ELSEWHERE S OF 25N BETWEEN 70W AND 80W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST S OF 21N BETWEEN 70W AND 74W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 25 TO 30 KT. SEAS 8 
TO 9 FT. ELSEWHERE OF 24N BETWEEN 70W AND 80W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 9 FT.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N50W TO 30N60W TO 
30N70W. N OF FRONT E OF 62W N WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N44W TO 28N60W TO 29N70W. N 
OF FRONT E OF 63W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 14 FT IN 
NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 27N35W TO 22N60W. N 
OF FRONT E OF 40W NW TO N WINDS 20 TO 25 KT. SEAS 12 TO 24 FT IN 
NW SWELL.N OF FRONT BETWEEN 40W AND 60W N TO NE WINDS 20 TO 25 
KT. SEAS 10 TO 23 FT IN NW SWELL. WITHIN 90 NM SE OF FRONT E OF 
50W WINDS 20 KT OR LESS. SEAS TO 10 FT IN NW SWELL. FROM 20N TO 
26N BETWEEN 60W AND 70W NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
ELSEWHERE N OF 26N E OF 70W WINDS 20 KT OR LESS. SEAS TO 10 FT 
IN N SWELL.

.GULF OF MEXICO 24 HOUR FORECAST FROM 23N TO 25N E OF 84W... 
INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 25 KT. SEAS TO 8 
FT. FROM 21N TO 23N BETWEEN 88W AND 91W NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST FROM 23N TO 25N E OF 84W...INCLUDING STRAITS 
OF FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 21N 
TO 24N BETWEEN 88W AND 91W E TO SE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.