FZNT01 KWBC 190946
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC FRI APR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 
[email protected](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 0600 UTC APR 19. 
24 HOUR FORECAST VALID 0600 UTC APR 20. 
48 HOUR FORECAST VALID 0600 UTC APR 21. 

.WARNINGS... 

...GALE WARNING... 
.LOW 44N53W 999 MB MOVING SE 15 KT. WITHIN 360 NM SW SEMICIRCLE 
AND 540 NM N QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW 
44N38W. 

...GALE WARNING... 
.LOW 36N68W 1011 MB DRIFTING SE. WITHIN 240 NM N SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 240 NM SW 
QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 35N67W 1014 MB. WITHIN 120 NM N AND 240 NM 
E AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW 44N62W 1016 MB. FROM 35N TO 48N BETWEEN 
53W AND 66W WINDS 20 TO 30 KT. SEAS TO 9 FT. 

...GALE WARNING... 
.LOW 60N40W 1003 MB MOVING NE 20 KT NEXT 12 HOURS THEN WILL 
SLOW. WITHIN 180 NM W AND NW SEMICIRCLES AND 360 NM E AND SE 
QUADRANTS  WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST LOW 63N37W 993 MB. WITHIN 120 NM NW SEMICIRCLE 
WINDS 25 TO 40 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 64N36W 994 MB. WITHIN 120 NM S AND SW 
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW E OF AREA 67N29W 998 MB. WITHIN 300 NM SW 
QUADRANT WINDS 25 TO 35 KT. SEAS TO 12 FT. 

...GALE WARNING... 
.LOW 48N44W 999 MB MOVING NE 15 KT. WITHIN 660 NM E AND NE 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW 52N39W 998 MB. WITHIN 420 NM W AND NW 
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN 
720 NM SW AND 420 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 
FT.    
.48 HOUR FORECAST LOW 48N37W 1007 MB. FROM 41N TO 52N BETWEEN 
36W AND 43W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT 

...GALE WARNING... 
.36 HOUR FORECAST LOW INLAND 60N68W 979 MB. WITHIN 660 NM SE AND 
540 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.  
.48 HOUR FORECAST LOW INLAND 62N65W 978 MB. N OF 54N BETWEEN 46W 
AND 58W WINDS 30 TO 45 KT. SEAS 9 TO 17 FT. 


.SYNOPSIS AND FORECAST. 

.LOW 62N51W 1004 MB MOVING SE 15 KT. WITHIN 420 NM W AND SW 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 60N43W 1000 MB. WITHIN 240 NM SW 
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 120 NM N OF A LINE FROM 
58N42W TO 60N35W WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.LOW 42N43W 1002 MB MOVING NE 10 KT. WITHIN 540 NM S SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. 

.24 HOUR FORECAST LOW 44N38W 1006 MB. WITHIN 660 NM S SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. 

.LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 52W. 
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF 
GREENLAND AND FROM 48N TO 54N W OF 51W. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM NW OF 
A LINE FROM 47N50W TO 60N35W AND FROM 60N TO 66N BETWEEN 50W AND 
56W. 
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF A LINE FROM 
46N46W TO 62N36W. 
.48 HOUR FORECAST DENSE FOG N OF 56N W OF 48W AND N OF 40N 
BETWEEN 57W AND 67W. 

.FORECASTER ACHORN. 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 FRI APR 19.
24 HOUR FORECAST VALID 0600 UTC SAT APR 20.
48 HOUR FORECAST VALID 0600 UTC SUN APR 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 24.5N53.5W 1013 MB. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 26N49W 1014 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 28.5N41.5W 1014 MB. WITHIN 
27N42W TO 27N44W TO 26N43W TO 26N42W TO 27N42W WINDS 20 TO 25 
KT. SEAS BUILDING TO 8 FT.

.CARIBBEAN WITHIN 18N70W TO 18N71W TO 18N72W TO 17N72W TO 17N71W
TO 18N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO WITHIN 23N89W TO 23N91W TO 22N93W TO 21N93W TO
20N92W TO 21N91W TO 23N89W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...E WINDS 20 TO 25 KT.. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 23N89W TO 22N91W TO 20N93W TO 20N91W TO
21N90W TO 22N89W TO 23N89W...INCLUDING WITHIN 60 NM OF COAST OF 
CAMPECHE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 23N88W TO 23N89W TO 23N90W TO 21N91W TO
22N88W TO 23N88W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.