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Marine Forecast
Expires:No;;219498
FZNT01 KWBC 191620
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC FEB 19 
24 HOUR FORECAST VALID 1200 UTC FEB 20 
48 HOUR FORECAST VALID 1200 UTC FEB 21 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.LOW 42N47W 980 MB MOVING E 30 KT. WITHIN 180 NM NW AND W 
QUADRANTS AND BETWEEN 90 NM AND 240 NM S QUADRANT WINDS 55 TO 75 
KT. SEAS 28 TO 45 FT. ALSO WITHIN 300 NM OF LOW EXCEPT 360 NM S 
QUADRANT WINDS 40 TO 55 KT. SEAS 18 TO 34 FT. ELSEWHERE WITHIN 
360 NM OF LOW EXCEPT 480 NM S AND SW QUADRANTS WINDS 25 TO 40 
KT. SEAS 12 TO 30 FT...HIGHEST SW OF LOW.
.24 HOUR FORECAST LOW 41N38W 990 MB. FRONT TO EXTEND FROM LOW TO 
45N39W TO 49N35W. WITHIN 300 NM SW QUADRANT AND WITHIN 180 NM W 
OF FRONT S OF 48N WINDS 45 TO 60 KT. SEAS 22 TO 45 FT. ELSEWHERE 
OVER FORECAST WATERS WITHIN FROM 34N TO 42N E OF 48W AND 420 NM 
W QUADRANT AND WITHIN 240 NM NW AND N OF FRONT WINDS 30 TO 45 
KT. SEAS 21 TO 36 FT...EXCEPT N OF 48N 10 TO 21 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 40N33W 999 MB. FROM 36N TO 
43N E OF 38W AREA OF N TO NW WINDS 40 TO 50 KT. SEAS 21 TO 32 
FT. ELSEWHERE FROM 33N TO 45N E OF 41W WINDS 25 TO 40 KT. SEAS 
11 TO 27 FT...HIGHEST SW OF LOW.

...HURRICANE FORCE WIND WARNING... 
.LOW E OF AREA NEAR 62N28W 966 MB MOVING N 20 KT. OVER FORECAST 
WATERS FROM 57N TO 60N E OF 45W AREA OF W WINDS 45 TO 60 KT. 
SEAS 18 TO 29 FT. ELSEWHERE E OF A LINE FROM 62N52W TO 55N45W 
AND WITHIN 60 NM OF E GREENLAND COAST N OF 63N WINDS 30 TO 45 
KT. SEAS IN ICE FREE WATERS 10 TO 26 FT...HIGHEST NEAR 57N35W.
.24 HOUR FORECAST LOW INLAND OVER GREENLAND AND NEW LOW 65N39W 
977 MB. FROM 61N TO 64N E OF GREENLAND WINDS 50 TO 65 KT. SEAS 
18 TO 36 FT. ALSO FROM 60N TO 65N E OF GREENLAND WINDS 35 TO 50 
KT. SEAS 14 TO 27 FT. ELSEWHERE N OF 59N E OF 45W WINDS 25 TO 40 
KT. SEAS 10 TO 22 FT. 
.36 HOUR FORECAST LOW DISSIPATED INLAND OVER GREENLAND AND 
CONDITIONS AS DESCRIBED WITH LOW 62N42W BELOW.

Storm Warning - ... 
.24 HOUR FORECAST LOW 58N49W 1003 MB. OVER FORECAST WATERS 
WITHIN 420 NM SW AND W AND 180 NM SE QUADRANTS WINDS 25 TO 40 
KT. SEAS  IN ICE FREE WATERS 8 TO 15 FT.
.36 HOUR FORECAST LOW 62N42W 983 MB. WITHIN 180 NM SE SEMICIRCLE 
WINDS 35 TO 50 KT. SEAS 12 TO 22 FT. ELSEWHERE N OF 56N E OF 42W 
AND WITHIN 660 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 63N41W 980 MB. WITHIN 180 NM S AND SE 
QUADRANTS AND FROM 54N TO 58N BETWEEN 45W AND 55W WINDS 30 TO 45 
KT. SEAS 12 TO 24 FT...HIGHEST NEAR 57N50W.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
N OF 52N AND W OF 49W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 60N TO 
65N W OF 36W AND N OF 53N W OF 50W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE 
FROM 55N39W TO 49N50W TO 48N61W.

.SYNOPSIS AND FORECAST. 

.24 HOUR FORECAST FROM 39N TO 44N BETWEEN 60W AND 71W AREA OF SW 
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NEW LOW 42N50W 1023 MB. FRONT TO EXTEND FROM 
LOW TO 42N58W TO 45N70W. WITHIN 240 NM S AND SW QUADRANTS WINDS 
20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 360 NM SW 
QUADRANT AND BETWEEN THE FRONT AND 38N WINDS TO 25 KT. SEAS TO 9 
FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM W 
OF A LINE FROM 45N65W TO 36N74W TO 31N70W. 
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 45N65W TO 33N73W 
AND E OF 77W.

.HIGH 42N65W 1038 MB MOVING SE 15 KT. 
.24 HOUR FORECAST HIGH 37N58W 1039 MB. 
.48 HOUR FORECAST HIGH 35N58W 1038 MB. 

.FORECASTER BANCROFT. 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 MON FEB 19.
24 HOUR FORECAST VALID 1200 UTC TUE FEB 20.
48 HOUR FORECAST VALID 1200 UTC WED FEB 21.

.WARNINGS.

...CARIBBEAN GALE WARNING...  
.FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 30 TO 35 KT. 
SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 72W AND 78W 
NE TO E WINDS 25 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER CARIBBEAN 
S OF 18N E OF 81W...INCLUDING ATLC PASSAGES...NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF 16N BETWEEN 76W AND 
82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. 
WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST 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 OF AREA 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.
.12 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
30 TO 40 KT. SEAS 10 TO 16 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. REMAINDER OF AREA S OF 17N BETWEEN 76W AND 83W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. N OF 19N 
E OF 76W...INCLUDING WINDWARD PASSAGE NE WINDS 20 TO 25 KT. SEAS 
TO 9 FT. 
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE WINDS 
30 TO 35 KT. SEAS 11 TO 15 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
72W AND 83W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. E OF 
70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT. N OF 19N E OF 79W...INCLUDING WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. REMAINDER 
CARIBBEAN E OF 84W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL.
.30 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 73.5W AND 77W NE 
WINDS 25 TO 30 KT. SEAS 10 TO 14 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. WINDWARD PASSAGE E OF 78W NE WINDS 20 TO 25 
KT. SEAS TO 9 FT. REMAINDER CARIBBEAN E OF 84W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NE SWELL.
.36 HOUR FORECAST FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 
30 TO 40 KT. SEAS 11 TO 16 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. 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.
.48 HOUR FORECAST FROM 10.5N TO 14N BETWEEN 74W AND 77W NE WINDS 
30 TO 35 KT. SEAS 11 TO 16 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
70W AND 84W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. N OF 11N 
E OF 70W...INCLUDING THE ATLC PASSAGES...NE TO E WINDS 20 TO 25 
KT. SEAS TO 10 FT. N OF 18N E OF 83W...INCLUDING WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. REMAINDER 
CARIBBEAN E OF 84W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO 
E SWELL. 

.SYNOPSIS AND FORECAST.

.ATLC S OF 14N E OF 46W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N 
SWELL. S OF 20N BETWEEN 49W AND 65W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST S OF 20N BETWEEN 57W AND 68W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF LINE FROM 23N71W TO 
21N55W TO 07N38W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED N 
AND NE SWELL. 
.48 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPHS BELOW. 

.ATLC S OF 23N BETWEEN 71W AND 77W...INCLUDING ATLC APPROACH 
TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST S OF 21N BETWEEN 72W AND 75W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 25 TO 30 KT. SEAS 8 
TO 10 FT. ELSEWHERE S OF 25N BETWEEN 70W AND 80W E TO SE WINDS 
20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST S OF 27N BETWEEN 65W AND 76W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 9 FT. FROM 16N TO 27N BETWEEN 42W AND 65W NE TO E WINDS 20 TO 
25 KT. SEAS 11 TO 17 FT. ELSEWHERE N OF 20N BETWEEN 65W AND 76W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT. ELSEWHERE N OF 20N BETWEEN 
42W AND 76W WINDS 20 KT OR LESS. SEAS 12 TO 18 FT IN NE 
SWELL...HIGHEST NE. S OF 16N W OF 42W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN MIXED NE AND NW SWELL. 

.ATLC COLD FRONT FROM 31N51W TO 31N70W. N OF 30N BETWEEN 50W AND 
58W N WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N35W TO 24N50W TO 23N60W TO 
24N64W. N OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 20 FT IN 
NW SWELL...HIGHEST NEAR 30N41W. N OF 29N WITHIN 90 NM SE OF 
FRONT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. 
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 25N35W TO 21N42W. N 
OF 30N E OF 40W N WINDS 20 TO 25 KT. SEAS 22 TO 24 FT. ELSEWHERE 
N OF 16N E OF 42W WINDS 20 KT OR LESS. SEAS 8 TO 22 FT...HIGHEST 
N. 

.36 HOUR CARIBBEAN FORECAST GULF OF HONDURAS S OF 18N W OF 84W E 
WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST GULF OF HONDURAS S OF 20N W OF 84W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 9 FT. 

.GULF OF MEXICO 12 HOUR FORECAST FROM 23N TO 25N E OF 84W... 
INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 25 KT. SEAS TO 8 
FT. 
.24 HOUR FORECAST FROM 23N TO 27N E OF 89W...INCLUDING STRAITS 
OF FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT STRAITS OF 
FLORIDA. S OF 22N BETWEEN 91W AND 94W SE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.36 HOUR FORECAST FROM 23N TO 26N E OF 84W...INCLUDING STRAITS 
OF FLORIDA...E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 20N 
TO 26N BETWEEN 89W AND 94W SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 23N TO 25N E OF 84W...INCLUDING STRAITS 
OF FLORIDA...SE WINDS 20 TO 25 KT. SEAS TO 9 FT. S OF 22N 
BETWEEN 91W AND 94W 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 LATTO. NATIONAL HURRICANE CENTER.



US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

All weather information provided by MarineWaypoints.com should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!


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