High Seas Forecast - Western Atlantic, Caribbean and Gulf of Mexico

Expires:No;;724576
FZNT01 KWBC 180954
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE MAR 18 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC MAR 18. 
24 HOUR FORECAST VALID 0600 UTC MAR 19.
48 HOUR FORECAST VALID 0600 UTC MAR 20.

.WARNINGS.

...STORM WARNING...
.LOW 59N54W 996 MB MOVING NE 15 KT. N OF 55N W OF 50W WINDS 25 TO
35 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW 60N47W 995 MB. FROM 55N TO 63N BETWEEN 40W
AND 55W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW E OF AREA WITH NEW LOW 61N41W 990 MB. FROM
48N TO 50N BETWEEN 39W AND 42W WINDS 40 TO 50 KT. SEAS 18 TO 27
FT. ELSEWHERE FROM 56N TO 62N E OF 50W WINDS 25 TO 40 KT. SEAS 10
TO 22 FT...HIGHEST NEAR 49N41W. 

...GALE WARNING...
.LOW E OF AREA 49N28W 994 MB MOVING SE 25 KT. WITHIN 420 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM
36N TO 56N E OF 45W WINDS TO 25 KT. SEAS 9 TO 16 FT. 
.24 HOUR FORECAST LOW E OF AREA 42N24W 990 MB. FROM 35N TO 45N E
OF 41W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING...
.LOW 39N69W 1003 MB MOVING SE 15 KT. S OF 44N W OF 60W WINDS 25
TO 40 KT. SEAS 9 TO 16 FT. 
.24 HOUR FORECAST LOW 32N68W 999 MB. S OF 40N BETWEEN 68W AND 76W
AND FROM 35N TO 40N BETWEEN 50W AND 60W WINDS 25 TO 40 KT. SEAS
10 TO 18 FT...EXCEPT E OF 60W SEAS 9 TO 14 FT.  ELSEWHERE  S OF
40N BETWEEN 46W AND 76W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 33N64W 1003 MB. WITHIN 240 NM W OF A LINE
FROM 42N56W TO 31N67W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
ELSEWHERE S OF 42N BETWEEN 44W AND 72W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 57N W OF 58W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY WITHIN 90 NM W OF GREENLAND
COAST AND N OF 55N W OF 55W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 48N W OF 50W
INCLUDING GULF OF SAINT LAWRENCE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
56W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 48N W OF
50W.

.SYNOPSIS AND FORECAST.

.LOW 62N40W 1004 MB MOVING N 05 KT. FROM 60N TO 64N E OF
GREENLAND WINDS TO 25 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.S OF 35N BETWEEN 46W AND 61W AREA OF E WINDS TO 25 KT. SEAS TO
12 FT. 
.24 HOUR FORECAST CONDITIONS ABSORBED BY LOW 32N68W DESCRIBED
ABOVE.

.48 HOUR FORECAST FROM 46N TO 52N E OF 43W WINDS TO 25 KT. SEAS
TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 42N W OF 42W
EXCEPT WITHIN 120 NM W OF GREENLAND COAST.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 51N BETWEEN 42W AND
60W AND FROM 59N TO 62N E OF 50W. 
.48 HOUR FORECAST DENSE FOG FROM 50N TO 53N E OF 40W.

.FORECASTER KREKELER. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 0600 UTC TUE MAR 18.
24 HOUR FORECAST VALID 0600 UTC WED MAR 19.
48 HOUR FORECAST VALID 0600 UTC THU MAR 20.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM 31N71W TO 21N76W. BEHIND THE FRONT...WITHIN
31N71W TO 31N80W TO 26N80W TO 25N77W TO 23N75W TO 26N73W TO 
31N71W W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. AHEAD OF THE 
FRONT...WITHIN 31N66W TO 31N71W TO 27N72W TO 27N69W TO 28N67W TO 
31N66W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N62W TO 18N66W. WITHIN 
30N69W TO 31N70W TO 31N74W TO 29N73W TO 27N72W TO 28N69W TO 
30N69W NW WINDS 30 TO 40 KT. SEAS 16 TO 19 FT. ELSEWHERE WITHIN 
28N59W TO 31N68W TO 31N76W TO 25N73W TO 22N65W TO 23N60W TO 
28N59W W TO NW WINDS 20 TO 30 KT. SEAS 12 TO 17 FT. REMAINDER OF 
AREA WITHIN 31N55W TO 31N78W TO 22N74W TO 19N67W TO 24N55W TO 
31N55W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE TO E SWELL.
.42 HOUR FORECAST LOW PRES 1003 MB NEAR 31N64W. WITHIN 29N59W TO
28N65W TO 31N74W TO 28N75W TO 22N69W TO 22N62W TO 29N59W W TO NW
WINDS 20 TO 30 KT. SEAS 13 TO 19 FT. ELSEWHERE WITHIN 31N44W TO 
31N78W TO 24N76W TO 19N68W TO 20N61W TO 31N44W WINDS 20 KT OR 
LESS. SEAS 8 TO 15 FT IN W TO NW SWELL...HIGHEST NEAR 29N68W. 
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES 1007 MB NEAR 25N58W. WITHIN 31N46W TO 30N60W TO 
27N61W TO 28N52W TO 26N50W TO 27N43W TO 31N46W E WINDS 20 TO 30 
KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 30N41W TO 31N66W TO 
23N66W TO 19N59W TO 20N46W TO 23N39W TO 30N41W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN NE TO E SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE.

.ATLC WITHIN 27N35W TO 27N41W TO 19N44W TO 15N41W TO 07N45W TO
07N35W TO 27N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE
SWELL.
.24 HOUR FORECAST WITHIN 24N35W TO 22N42W TO 16N41W TO 07N47W TO
07N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E 
SWELL.
.48 HOUR FORECAST WITHIN 22N35W TO 21N38W TO 07N47W TO 07N35W TO
22N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.

.ATLC 06 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 30.5N36W TO
30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N39W TO 30N39W TO 27N36W TO
27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N 
SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N40W TO 27N37W TO 25N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.

.CARIBBEAN WITHIN 20N81W TO 22N80W TO 21N84W TO 18N87W TO 17N87W
TO 19N85W TO 20N81W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
ELSEWHERE 22N81W TO 21N84W TO 22N85W TO 21N87W TO 18N88W TO
20N81W TO 22N81W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 19N73W TO 21N80W TO 19N81W TO 19N77W TO
16N76W TO 17N73W TO 19N73W NE WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN WITHIN 11N74W TO 13N75W TO 12N77W TO 10N77W TO 10N76W
TO 11N75W TO 11N74W NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS 8 FT.

.GULF OF AMERICA WITHIN 26N82W TO 26N83W TO 25N87W TO 23N88W TO 
21N87W TO 24N81W TO 26N82W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT IN N SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF AMERICA 06 HOUR FORECAST WITHIN 27N94W TO 28N96W TO
28N97W TO 26N97W TO 23N98W TO 26N95W TO 27N94W SE TO S WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 29N90W TO 30N94W TO 27N97W TO 20N96W TO
19N92W TO 21N89W TO 29N90W SE TO S WINDS 20 TO 30 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 29N88W TO 30N87W TO 30N94W TO 28N97W TO
26N97W TO 27N92W TO 29N88W NW TO N WINDS 20 TO 30 KT. SEAS LESS 
THAN 8 FT.

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


.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.

$$