217
FZNT01 KWBC 120406
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON MAY 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 12.
24 HOUR FORECAST VALID 0000 UTC MAY 13.
48 HOUR FORECAST VALID 0000 UTC MAY 14.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 53N55W 984 MB MOVING SE 10 KT.
BETWEEN 120 NM AND 360 NM NW AND BETWEEN 180 NM AND 420 NM SW
QUADRANTS...AND WITHIN 180 NM NE AND E OF FRONT FROM 55N48W TO
49N41W WINDS 35 TO 45 KT. SEAS 10 TO 19 FT...HIGHEST NEAR 57N56W.
ELSEWHERE BETWEEN 120 NM AND 600 NM N...180 NM AND 720 NM NE...60
NM AND 900 NM SE AND 120 NM AND 960 NM SW QUADRANTS WINDS 25 TO
40 KT. SEAS 8 TO 14 FT.
.18 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N51W 981 MB.
BETWEEN 60 NM AND 180 NM S...WITHIN 180 NM SW AND BETWEEN 90 NM
AND 420 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 25
FT...HIGHEST NEAR 53N54W.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N48W 984 MB AND
SECOND NEW CENTER 57N51W 990 MB. BETWEEN 60 NM AND 180 NM SE
SEMICIRCLE OF MAIN CENTER...WITHIN 120 NM SW AND W OF A FRONT
FROM 50N49W TO 57N53W...WITHIN 180 NM W OF FRONT FROM 57N53W TO
61N52W...FROM 61N TO 66N W OF 54W AND WITHIN 60 NM NE OF A LINE
FROM 60N50W TO 59N44W WINDS 35 TO 50 KT. SEAS 13 TO 26
FT...HIGHEST NEAR 51N52W. ELSEWHERE WITHIN 300 NM NE...720 NM
SE...660 NM SW QUADRANTS OF MAIN CENTER AND N OF 60N W OF
GREENLAND WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. ALSO WITHIN THE
GULF OF ST LAWRENCE WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N45W 991 MB.
BETWEEN 180 NM AND 420 NM SW...180 NM AND 360 NM W AND 300 NM AND
420 NM NW QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 21 FT.
ELSEWHERE BETWEEN 180 NM AND 360 NM N...180 NM AND 720 NM
SE...120 NM AND 540 NM SW AND 180 NM AND 840 NM NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.FROM 58N TO 63N E OF 41W AREA OF SW WINDS 20 TO 30 KT. SEAS 8 TO
12 FT.
.18 HOUR FORECAST WITHIN 120 NM E OF A LINE FROM 56N38W TO 53N38W
AREA OF SE TO S WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST NEW LOW 52N37W 1001 MB. E OF A FRONT FROM
60N39W TO THE NEW LOW TO 45N37W TO 40N40W WINDS 25 TO 35 KT. SEAS
8 TO 15 FT. ELSEWHERE FROM 60N TO 63N E OF 39W WINDS TO 25 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST LOW E OF THE AREA 54N30W 1003 MB. N OF 57N E OF
39W WINDS 20 TO 30 KT. SEAS 9 TO 16 FT IN MIXED SWELL.

...GALE WARNING...
.18 HOUR FORECAST W OF A LINE FROM 31N73W TO 36N75W AREA OF SE
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST W OF A LINE FROM 31N73W TO 35N75W AREA OF SE
WINDS TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST FROM 34N TO 37N W OF 74W AREA OF SE TO S WINDS
25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 34N TO 37N W OF 74W AREA OF SE TO S WINDS
25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 31N TO 39N BETWEEN 69W
AND 77W AREA OF SE TO S WINDS 20 TO 30 KT. SEAS TO 9 FT.

...GALE WARNING...
.36 HOUR FORECAST WITHIN 360 NM SW AND W OF A LINE FROM 39N50W TO
48N56W TO 49N59W AREA OF W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 15
FT.
.42 HOUR FORECAST WITHIN 180 NM W AND NW OF A LINE FROM 38N50W TO
41N51W AREA OF NW WINDS 30 TO 40 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST NEW LOW 41N48W 1011 MB. WITHIN 180 NM W AND NW
OF A LINE FROM 38N51W TO 41N51W WINDS 30 TO 40 KT. SEAS 9 TO 15
FT. ELSEWHERE WITHIN 420 NM SW AND W OF A LINE FROM 38N46W TO
47N56W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST NEW LOW 39N41W 1013 MB. FROM 33N TO 40N E OF
55W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...HIGHEST NEAR 40N.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 120 NM S OF A LINE FROM
37N35W TO 34N40W AREA OF SW WINDS LESS THAN 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N
BETWEEN 42W AND 48W...WITHIN 300 NM W AND NW OF A LINE FROM
46N59W TO 50N58W IN THE GULF OF SAINT LAWRENCE AND FROM 50N TO
60N W OF 42W.
.24 HOUR FORECAST DENSE FOG FROM 49N TO 63N BETWEEN 50W AND
56W...FROM 49N TO 52N BETWEEN 50W AND 47W AND WITHIN 60 NM E OF A
LINE FROM 59N43W TO 51N37W.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 59N BETWEEN 47W AND
54W...FROM 48N TO 51N BETWEEN 45W AND 49W AND WITHIN 60 NM E OF A
LINE FROM 57N37W TO 59N38W.

.LIGHT FREEZING SPRAY N OF 57N W OF 53W AND N OF 60N W OF
GREENLAND.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING N OF 60N W OF 53W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 90 W AND NW OF A
LINE FROM 50N51W TO 54N55W AND N OF 60N W OF GREENLAND.

.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 AMERICA

SYNOPSIS VALID 0000 UTC MON MAY 12.
24 HOUR FORECAST VALID 0000 UTC TUE MAY 13.
48 HOUR FORECAST VALID 0000 UTC WED MAY 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 13N36W TO 14N45W TO 21N61W TO 15N59W TO 07N51W TO
08N35W TO 13N36W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE
SWELL.
.24 HOUR FORECAST WITHIN 10N38W TO 13N51W TO 14N58W TO 09N56W TO
07N49W TO 07N35W TO 10N38W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 17N52W TO 16N57W TO 20N73W TO 13N59W TO
08N54W TO 07N35W TO 17N52W WINDS 20 KT OR LESS. SEAS 8 FT IN NE
TO E SWELL.

.ATLC 06 HOUR FORECAST WITHIN 31N79W TO 31N81W TO 30N81W TO
29N80W TO 29N79W TO 30N79W TO 31N79W SE TO S WINDS 20 TO 25 KT.
SEAS 8 FT.
.24 HOUR FORECAST WITHIN 31N75W TO 31N80W TO 29N79W TO 29N77W TO
31N75W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 24 HOUR FORECAST WITHIN 20.5N71W TO 20.5N72.5W TO 20N72.5W
TO 20N71.5W TO 20N70.5W TO 20.5N71W E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 14N70W TO 16N73W TO 15N78W TO 13N78W TO 11N75W
TO 11N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 15N70W TO
17N73W TO 17N80W TO 14N82W TO 10N80W TO 11N70W TO
15N70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 14N72W TO 15N74W TO 13N77W TO 11N77W TO
11N75W TO 11N70W TO 14N72W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE
WITHIN 15N72W TO 16N78W TO 14N81W TO 10N79W TO 12N70W TO 15N72W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.48 HOUR FORECAST WITHIN 13N70W TO 13N74W TO 11N74W TO 12N72W TO
10N72W TO 11N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN
13N70W TO 14N77W TO 13N80W TO 10N78W TO 12N75W TO 10N71W TO
13N70W WINDS 20 OR LESS. SEAS 8 FT IN E SWELL.

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


.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.

$$