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

Expires:No;;599845
FZNT01 KWBC 242152
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI MAR 24 2023

CCODE/1:31:04:01:00/AOE/NWS/CCODE
INMARSAT SAFETYNET BULLETINS ONLY REQUIRE CODING
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC MAR 24. 
24 HOUR FORECAST VALID 1800 UTC MAR 25.
48 HOUR FORECAST VALID 1800 UTC MAR 26.

.WARNINGS.

...STORM WARNING... 
.LOW 45N55W 984 MB MOVING SE 15 KT. WITHIN 180 NM N AND NE OF A
FRONT FROM THE LOW TO 45N52W TO 43N51W AND WITHIN 300 NM E AND
SE OF A FRONT FROM 43N51W TO 39N54W TO 37N64W WINDS 40 TO 55 KT.
SEAS 14 TO 24 FT...HIGHEST NEAR 40N52W. ELSEWHERE WITHIN 600 NM
SE...840 NM SW...540 NM W AND 420 NM NW QUADRANTS AS WELL AS
WITHIN 300 NM S AND SW OF A LINE FROM 38N56W TO 37N75W WINDS 25
TO 40 KT. SEAS 9 TO 18 FT...HIGHEST S QUADRANT. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N46W 980 MB.
WITHIN 240 NM N AND NE OF A FRONT FROM 48N50W TO 48N43W TO
45N39W...WITHIN 240 NM E AND SE OF FRONT FROM 43N39W TO 39N40W
TO 35N46W TO 33N50W...BETWEEN 240 NM AND 600 NM NW QUADRANT AND
BETWEEN 120 NM AND 600 NM SW SEMICIRCLE WINDS 40 TO 55 KT. SEAS
15 TO 28 FT. ELSEWHERE BETWEEN 240 NM AND 540 NM N...NE...WITHIN
600 NM SE...960 NM SW AND 600 NM NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 10 TO 22 FT...EXCEPT TO 10 FT IN THE GULF OF SAINT LAWRENCE.
 .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 46N38W 983 MB.
BETWEEN 240 NM AND 540 NM N...120 NM AND 660 NM S...300 NM AND
600 NM SW AND 300 NM AND 600 NM NW QUADRANTS WINDS 35 TO 50 KT.
SEAS 14 TO 30 FT...HIGHEST SW QUADRANT. ELSEWHERE FROM 30N TO 60N
E OF 54W
WINDS 25 TO 40 KT. SEAS 9 TO 22 FT. 

...GALE WARNING... 
.COMPLEX LOW WITH MAIN LOW E OF AREA 47N31W 1002 MB MOVING NE 20
KT. FROM 39N TO 51N E OF 40W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA. 

...GALE WARNING...
.24 HOUR FORECAST INLAND LOW 44N83W 986 MB. WITHIN 360 NM W OF A
LINE FROM 31N74W TO 36N68W TO 41N69W WINDS 20 TO 30 KT. SEAS TO
10 FT.  
.30 HOUR FORECAST INLAND LOW 45N81W 985 MB. FROM 34N TO 42N
BETWEEN 66W AND 73W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE
FROM 31N TO 43N BETWEEN 66W AND 80W WINDS 20 TO 30 KT. SEAS TO 9
FT. 
.48 HOUR FORECAST LOW WELL INLAND WITH NEW LOW TO FORM 43N64W
1001 MB. WITHIN 420 NM SE...720 NM SW AND 300 NM W QUADRANTS
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.  

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 63N57W TO 
64N53W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE 
FROM 62N38W TO 64N35W TO GREENLAND AND W OF A LINE FROM 47N48W
TO 51N51W INCLUDING THE GULF OF SAINT LAWRENCE. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 63N  
E OF GREENLAND AND N OF A LINE FROM 61N50W TO 62N59W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 63N E
OF GREENLAND AND N OF A LINE FROM 61N50W TO 62N58W.

.SYNOPSIS AND FORECAST.

.LOW E OF AREA 37N29W 1016 MB MOVING NE 15 KT. FROM 31N TO 34N
BETWEEN 35W AND 40W AREA OF NE WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS OVER 
FORECAST WATERS DIMINISHED. 

.FROM 56N TO 62N BETWEEN 35W AND 46W AREA OF NE WINDS 20 TO 30 
KT. SEAS 8 TO 14 FT IN MIXED SWELL.  
.24 HOUR FORECAST WITHIN 240 NM NW OF A LINE FROM 54N46W TO
58N39W AREA OF NE WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST FROM 56N TO 60N BETWEEN 35W AND 52W WINDS 20 
TO 30 KT. SEAS TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 48N 
BETWEEN 46W AND 63W...INCLUDING THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 49N BETWEEN 47W AND 54W.
.48 HOUR FORECAST DENSE FOG FROM 57N TO 59N BETWEEN 45W AND 51W
AND FROM 43N TO 48N W OF 58W INCLUDING THE BAY OF FUNDY.

.HIGH 33N52W 1021 MB MOVING SE 25 KT. 
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 41N42W 1020 MB MOVING SE 35 KT.
.24 HOUR FORECAST HIGH E OF THE AREA. 

.24 HOUR FORECAST HIGH 42N67W 1022 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1800 UTC FRI MAR 24.
24 HOUR FORECAST VALID 1800 UTC SAT MAR 25.
48 HOUR FORECAST VALID 1800 UTC SUN MAR 26.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 11N TO 12N BETWEEN 74W AND 75W NE TO E WINDS 30 TO 35 KT. 
SEAS 9 TO 12 FT. ELSEWHERE WITHIN 15N75W TO 13N79W TO 10N77W TO 
11N74W TO 10N71W TO 11N70W TO 15N75W...INCLUDING THE GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT...EXCEPT 
LESS THAN 8 FT IN GULF OF VENEZUELA. REMAINDER OF AREA WITHIN 
15N73W TO 14N79W TO 10N80W TO 09N76W TO 11N75W TO 11N70W TO 
15N73W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 75W NE TO E 
WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. LITTLE CHANGE ELSEWHERE.
.48 HOUR LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N38W TO 26N48W THEN STATIONARY FRONT TO 
23N60W. WITHIN 31N38W TO 31N44W TO 30N44W TO 29N45W TO 30N39W TO 
31N38W N TO NE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE 
WITHIN 31N41W TO 31N55W TO 23N70W TO 24N60W TO 25N46W TO 31N41W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.12 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N36W TO 
30N37W. WITHIN 31N35W TO 31N52W TO 24N62W TO 23N46W TO 25N50W TO 
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL... 
HIGHEST NE PART.
.18 HOUR FORECAST WITHIN 31N35W TO 31N50W TO 26N53W TO 21N58W TO 
25N40W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE 
SWELL...HIGHEST NE PART.
.24 HOUR FORECAST WITHIN 31N35W TO 31N48W TO 25N48W TO 26N39W TO 
21N58W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE 
SWELL...HIGHEST NE PART.
.42 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE ASSOCIATED TO 
THE COLD FRONT DESCRIBED BELOW.

.ATLC 24 HOUR FORECAST COLD FRONT N OF AREA NEAR 32N BETWEEN 47W 
AND 62W. WITHIN 31N41W TO 31N57W TO 30N54W TO 29N50W TO 30N43W 
TO 31N41W W WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 
31N41W TO 31N60W TO 30N56W TO 29N50W TO 30N43W TO 31N41W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.42 HOUR FORECAST COLD FRONT FROM 31N41W TO 28N46W TO 27N52W. 
WITHIN 31N35W TO 31N41W TO 30N42W TO 29N43W TO 30N38W TO 31N41W 
SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 12 FT...EXCEPT 10 TO 13 FT 
IN NW SWELL N OF 30N. ELSEWHERE WITHIN 31N35W TO 31N47W TO 
31N60W TO 29N57W TO 27N48W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN NW SWELL...EXCEPT 10 TO 13 FT N OF 29N.
.48 HOUR FORECAST COLD FRONT FROM 31N38W TO 28N43W TO 26N51W. 
WITHIN 31N35W TO 31N38W TO 30N39W TO 30N36W TO 31N35W SW WINDS 
20 TO 25 KT. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 10 TO 13 FT N 
OF 29N.

.ATLC AND CARIBBEAN 06 HOUR FORECAST WITHIN 20N72W TO 21N73W TO 
20N76W TO 19N77W TO 18N75W TO 19N74W TO 20N72W...INCLUDING 
BETWEEN CUBA AND JAMAICA AND APPROACH TO WINDWARD PASSAGE...NE 
TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.45 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 20N70W TO 20N71W TO 21N72W TO 20N73W
TO 20N72W TO 20N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN 18N70W TO 18N73W TO 15N75W TO 14N78W TO 14N71W 
TO 18N70W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 06 HOUR FORECAST WITHIN 18N85W TO 18N87W TO 17N88W TO 
16N88W TO 16N85W TO 18N85W...INCLUDING GULF OF HONDURAS...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WITHIN 18N85W TO 19N86W TO 19N87W TO 17N88W TO 
16N88W TO 16N85W TO 18N85W...INCLUDING GULF OF HONDURAS...E TO 
SE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST WITHIN 18N86W TO 17N87W TO 16N87W TO 16N86W TO 
17N85W TO 18N86W...INCLUDING GULF OF HONDURAS...E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT.

.GULF OF MEXICO WITHIN 28N92W TO 28N95W TO 28N97W TO 24N98W TO 
24N96W TO 25N94W TO 28N92W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 
FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 06 HOUR FORECAST WITHIN 23N87W TO 24N89W TO 
23N90W TO 22N90W TO 21N90W TO 22N87W TO 23N87W E TO SE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 23N87W TO 23N89W TO 21N89W TO 22N87W TO 
23N87W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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


.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$