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North Atlantic Forecast

FZNT01 KWBC 171617
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1630 UTC WED APR 17 2024 

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

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.PHP 
(ALL LOWERCASE). 

SECURITE 

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 

SYNOPSIS VALID 1200 UTC APR 17. 
24 HOUR FORECAST VALID 1200 UTC APR 18. 
48 HOUR FORECAST VALID 1200 UTC APR 19. 

.WARNINGS... 

...GALE WARNING...
.LOW 42N55W 1010 MB MOVING NE 15 KT. WITHIN 180 NM E OF A FRONT 
FROM CENTER TO 38N58W TO 37N60W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 46N49W 1000 MB. FROM 49N TO 54N BETWEEN 
51W AND 56W WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 
36N TO 55N BETWEEN 50W AND 62W...ALSO FROM 34N TO 50N BETWEEN 
42W AND 50W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 240 NM W OF A LINE FROM 
52N47W TO 45N54W WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE 
WITHIN AN AREA BOUNDED BY 55N44W...45N53W...40N47W...35N47W... 
40N60W...49N61W...55N53W...55N44W WINDS 20 TO 30 KT. SEAS TO 11 
FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 50N43W 995 MB. FROM 48N TO 53N E OF 40W 
WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE E OF A LINE FROM 
55N35W TO 50N44W TO 47N44W WINDS 20 TO 30 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST. 

.LOW 49N53W 1009 MB MOVING NE 10 KT. WITHIN 180 NM E OF A LINE 
FROM 52N48W TO 50N51W TO 42N55W WINDS TO 25 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED WITH 
LOW 46N49W 1000 MB IN WARNINIG SECTION. 

.LOW 61N56W 1011 MB MOVING E 05 KT. WITHIN 240 NM SW SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 61N53W 1014 MB. W OF A LINE FROM 63N57W TO 
56N53W WINDS TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW 64N53W 1007 MB. BETWEEN 54N AND 63N W OF 
45W WINDS TO 25 KT. SEAS TO 10 FT. 

.LOW 63N39W 1010 MB MOVING NE 30 KT. FROM 55N TO 61N E OF 40W 
WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. 

.24 HOUR FORECAST FROM 38N TO 41N W OF 69W WINDS TO 25 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST LOW 37N69W 1014 MB. FROM 37N TO 40N BETWEEN 
67W AND 73W WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW 61N39W 1003 MB. WITHIN 120 NM W OF A LINE 
FROM 64N36W TO 60N41W TO 56N43W...AND WITHIN 240 NM E AND SE 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW 44N41W 1001 MB. FROM 35N TO 44N E OF 47W 
WINDS TO 25 KT. SEAS TO 10 FT

.LIGHT TO MODERATE FREEZING SPRAY FROM 56N TO 62N W OF 57W. 
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE 
FROM 67N52W TO 64N53W TO 57N59W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF 
50W. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 52N 
BETWEEN 50W AND 56W. 
.24 HOUR FORECAST DENSE FOG FROM 45N TO 57N BETWEEN 46W AND 
54W...ALSO N OF 61N W OF 50W. 
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM E OF A LINE FROM 
65N37W TO 60N43W TO 54N47W TO 48N50W. 

.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 WED APR 17.
24 HOUR FORECAST VALID 1200 UTC THU APR 18.
48 HOUR FORECAST VALID 1200 UTC FRI APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 18N35W TO 19N54W TO 16N59W TO 06N55W TO 07N35W TO
18N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 10N44W TO 14N48W TO 14N54W TO 11N58W TO
06N54W TO 07N43W TO 10N44W WINDS 20 KT OR LESS. SEAS 8 FT IN N 
TO NE SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC WITHIN 25N56W TO 25N64W TO 23N64W TO 19N61W TO 18N56W TO
20N54W TO 25N56W...INCLUDING IN ATLC EXPOSURES AND PASSAGES... 
WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC AND CARIBBEAN 09 HOUR FORECAST WITHIN 20N74W TO 20N76W TO
19N76W TO 19N74W TO 19N73W TO 20N74W...INCLUDING BETWEEN CUBA
AND JAMAICA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N73W TO 20N75W TO 19N76W TO 19N75W TO
19N73W TO 20N73W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN 21N78W TO 22N80W TO 21N81W TO
20N80W TO 20N78W TO 21N78W NE WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 09 HOUR FORECAST WITHIN 23N88W TO 23N90W TO
22N91W TO 21N91W TO 22N88W TO 23N88W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.33 HOUR FORECAST WITHIN 23N88W TO 23N90W TO 22N91W TO 21N91W TO
22N88W TO 23N88W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER NR/KRV. NATIONAL HURRICANE CENTER.


 

 



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