National Weather Service Marine Forecast FZNT01 KWBC

FZNT01 KWBC 251614
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT MAR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 25.
24 HOUR FORECAST VALID 1200 UTC MAR 26.
48 HOUR FORECAST VALID 1200 UTC MAR 27.

.WARNINGS.

STORM WARNING

.COMPLEX LOW WITH MAIN CENTER 45N49W 982 MB MOVING E 15 KT.
WITHIN 360 NM S AND SW...300 NM N...AND BETWEEN 360 NM AND 480 NM
E QUADRANTS WINDS 40 TO 50 KT. SEAS 16 TO 29 FT. ELSEWHERE WITHIN
660 NM E...720 NM S...480 NM W...AND 480 NM N QUADRANTS WINDS 25
TO 40 KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N40W 982 MB.
WITHIN 420 NM S AND SW AND BETWEEN 360 NM AND 540 NM N QUADRANTS
WINDS 40 TO 50 KT. SEAS 18 TO 30 FT. ELSEWHERE WITHIN 840 NM
S...540 NM W...AND BETWEEN 360 NM AND 720 NM N QUADRANTS WINDS 25
TO 40 KT. SEAS 12 TO 24 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 49N36W 979
MB. BETWEEN 240 NM AND 540 NM N AND NW QUADRANTS WINDS 40 TO 50
KT. SEAS 18 TO 26 FT. ELSEWHERE WITHIN 660 NM S...BETWEEN 300 NM
AND 600 NM W...AND BETWEEN 240 NM AND 720 NM N QUADRANTS WINDS 25
TO 40 KT. SEAS 13 TO 25 FT.

 ...GALE WARNING...
.W OF A LINE FROM 31N76W TO 39N70W WINDS 20 TO 30 KT. SEAS LESS
THAN 8 FT.
.12 HOUR FORECAST WITHIN 180 NM W AND NW OF A LINE FROM 34N75W TO
37N65W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 43N68W 1001 MB. FROM 36N TO 46N BETWEEN 61W
AND 72W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 44N56W 1000 MB
AND SECOND CENTER 40N42W 997 MB.  WITHIN 420 NM S SEMICIRCLE OF
FIRST CENTER AND WITHIN 240 NM SE AND 480 NM SW QUADRANTS OF
SECOND CENTER WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.

GALE WARNING

.24 HOUR FORECAST WITHIN 120 NM N OF A LINE FROM 57N47W TO 59N41W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH COMPLEX LOW 49N36W
DESCRIBED ABOVE.

HEAVY FREEZING SPRAY WARNING

.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF GREENLAND.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND AND OVER THE WATERS OF THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
GREENLAND.  ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 60N W OF GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 61N W
OF GREENLAND.

.SYNOPSIS AND FORECAST.

.WITHIN 120 NM NW OF A LINE FROM 56N41W TO 58N37W WINDS 20 TO 30
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N
BETWEEN 45W AND 56W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 45W AND 49W
AND FROM 55N TO 60N BETWEEN 40W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 60N BETWEEN 37W AND 62W.

.FORECASTER ACHORN. 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 1200 UTC SAT MAR 25.
24 HOUR FORECAST VALID 1200 UTC SUN MAR 26.
48 HOUR FORECAST VALID 1200 UTC MON MAR 27.

.WARNINGS.

CARIBBEAN GALE WARNING

.CARIBBEAN WITHIN 13N72W TO 15N76W TO 14N78W TO 11N80W TO 10N78W
TO 11N70W TO 13N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 8 FT.
.15 HOUR FORECAST WITHIN 11.5N74W TO 12N74.5W TO 12N75W TO
11.5N75.5W TO 11N75.5W TO 11N74.5W TO 11.5N74W NE TO E WINDS 30
TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 14N71W TO 14N80W TO
11N80W TO 10N76W TO 11N74W TO 11N70W TO 14N71W...INCLUDING THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 14N73W TO 15N78W TO 13N81W TO 11N80W TO
10N77W TO 11N74W TO 14N73W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO
10 FT.
.39 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N76W TO 11N75W TO
11N74W TO 12N74W NE TO E WINDS 30 TO 40 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 18N73W TO 14N81W TO 10N81W TO 12N73W TO 10N65W
TO 12N64W TO 18N73W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 25 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 17N73W TO 17N77W TO 14N81W TO 12N81W TO
10N77W TO 11N69W TO 17N73W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N35W TO 25N53W. WITHIN 31N35W TO
31N53W TO 31N60W TO 28N47W TO 25N46W TO 27N35W TO 31N35W SW TO NW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N39W TO 28N51W. WITHIN
31N35W TO 31N60W TO 27N51W TO 27N42W TO 31N35W WINDS 20 KT OR
LESS. SEAS 8 TO 13 FT IN NW SWELL WITH HIGHEST NEAR 30N47W.
.48 HOUR FORECAST COLD FRONT 28N35W TO 24N44W. WITHIN 31N35W TO
31N56W TO 27N57W TO 22N47W TO 24N35W TO 31N35W WINDS 20 KT OR
LESS. SEAS 8 TO 14 FT IN NW TO N SWELL WITH THE HIGHEST NEAR
30N36W.

.ATLC 18 HOUR FORECAST WITHIN 16N55W TO 18N57W TO 16N60W TO
14N61W TO 11N59W TO 11N58W TO 16N55W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC AND CARIBBEAN NEAR HISPANIOLA WITHIN 21N71W TO 21N72W TO
19N74W TO 17N73W TO 17N71W TO 18N70W TO 21N71W E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

.GULF OF MEXICO 09 HOUR FORECAST WITHIN 23N87W TO 23N88W TO
23N90W TO 22N90W TO 21N89W TO 22N87W TO 23N87W E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 23N87W TO 23N88W TO 23N90W TO 22N90W TO
21N89W TO 22N87W TO 23N87W E TO SE 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.

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

.FORECASTER CHAN. NATIONAL HURRICANE CENTER.