FZNT01 KWBC 170416
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE MAR 17 2026
CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FROM APRIL 1 TO OCTOBER 15, DUE TO CLIMATOLOGY, OF THE NORTH
ATLANTIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 2.5 METERS OR
GREATER.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC MAR 17.
24 HOUR FORECAST VALID 0000 UTC MAR 18.
48 HOUR FORECAST VALID 0000 UTC MAR 19.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 50N75W 988 MB MOVING NE 25 KT AND RAPIDLY INTENSIFYING. W OF
A LINE FROM 50N54W TO 40N56W TO 31N66W WINDS 25 TO 40 KT. SEAS
2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 59N67W 952 MB. WITHIN 420 NM NE...AND 600
NM E QUADRANTS WINDS 40 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN
AN AREA BOUNDED BY A LINE FROM 31N72W TO 65N67W TO 58N40W TO
44N40W TO 31N63W TO 31N72W WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST NEAR 42N62W.
.30 HOUR FORECAST LOW 60N62W 948 MB. WITHIN 150 NM S OF A LINE
FROM 64N53W TO 60N44W WINDS 55 TO 65 KT. SEAS 4 TO 7.5 M.
.48 HOUR FORECAST LOW 63N53W 967 MB. N OF 57N W OF 50W...AND N OF
57N E OF 40W WINDS 35 TO 45 KT. SEAS 4 TO 8 M. ELSEWHERE N OF 47N
E OF 60W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
...STORM WARNING...
.LOW E OF AREA NEAR 53N26W 981 MB MOVING NE 20 KT. WITHIN 300 NM
S OF A LINE FROM 61N47W TO 58N35W WINDS 40 TO 50 KT. SEAS 5 TO 10
M. ELSEWHERE N OF 31N E OF 50W...AND FROM 57N TO 62N E OF 54W
WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST NEAR 50N35W.
.24 HOUR FORECAST LOW WELL E OF AREA. N OF 31N E OF 40W WINDS
LESS THAN 25 KT. SEAS 2.5 TO 5 M IN MIXED SWELL...EXCEPT WHERE
DESCRIBED BELOW WITH LOW 40N15W.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW E OF AREA NEAR 40N15W 1000 MB. FROM 31N
TO 47N E OF 42W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 37N15W 984 MB. S OF 43N E OF
43W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
...HEAVY FREEZING SPRAY...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 59N44W TO
63N58W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 53N63W TO 47N48W TO 64N35W.
.24 HOUR FORECAST. MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N43W TO 61N60W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 55N W OF
55W...AND WITHIN THE GULF OF SAINT LAWRENCE. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N OF A LINE FROM 41N70W TO 47N53W TO
60N45W.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST WITHIN 240 NM EITHER SIDE OF A LINE FROM 31N68W
TO 43N49W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM
37N73W TO 53N53W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 65N BETWEEN 61W AND
48W...AND FROM 48N TO 57N E OF 41W.
.48 HOUR FORECAST DENSE FOG N OF 60N W OF GREENLAND...AND FROM
53N TO 61N E OF 45W.
.FORECASTER BYRD. 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 TUE MAR 17.
24 HOUR FORECAST VALID 0000 UTC WED MAR 18.
48 HOUR FORECAST VALID 0000 UTC THU MAR 19.
.WARNINGS.
...GULF OF AMERICA GALE WARNING...
.GULF OF AMERICA COLD FRONT FROM 27N82W TO 18N94W. WITHIN 20N95W
TO 20N96W TO 20N97W TO 19N96W TO 18N95W TO 19N94W TO 20N95W...
INCLUDING WATERS OFF VERACRUZ...NW TO N WINDS 35 TO 45 KT. SEAS
4.0 TO 5.5 M. ELSEWHERE WITHIN 29N84W TO 30N89W TO 29N95W TO
23N98W TO 18N95W TO 22N93W TO 29N84W N WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M. FOR THE REMAINDER OF AREA WITHIN 27N83W TO 30N84W
TO 26N87W TO 21N94W TO 19N94W TO 21N90W TO 27N83W...INCLUDING
CENTRAL BAY OF CAMPECHE...N WINDS 20 TO 30 KT. SEAS LESS THAN
2.5 M.
.06 HOUR FORECAST COLD FRONT FROM 25N81W TO 18N91W. WITHIN
28N83W TO 29N91W TO 25N95W TO 20N96W TO 19N93W TO 23N87W TO
28N83W...INCLUDING WATERS OFF VERACRUZ AND IN BAY OF CAMPECHE...N
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 28N84W TO
28N95W TO 25N98W TO 20N97W TO 25N90W TO 24N87W TO 28N84W WINDS
20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT SOUTHEAST OF AREA. WITHIN 24N81W TO
24N85W TO 22N91W TO 19N91W TO 21N88W TO 21N86W TO
24N81W...INCLUDING STRAITS OF FLORIDA...BAY OF CAMPECHE AND
YUCATAN CHANNEL...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN
NW SWELL. ELSEWHERE WITHIN 25N82W TO 25N86W TO 22N96W TO 19N96W
TO 18N93W TO 21N92W TO 25N82W...INCLUDING WATERS OFF
VERACRUZ...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N67W TO 31N73W TO 31N82W TO 29N78W TO 30N75W TO
29N71W TO 31N67W S TO SW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA TO THE SOUTH.
.ATLC WITHIN 31N37W TO 31N50W TO 30N47W TO 30N43W TO 31N37W NE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N50W TO
31N56W TO 30N52W TO 30N48W TO 31N50W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA TO THE SOUTH.
.ATLC WITHIN 21N48W TO 30N35W TO 29N71W TO 19N62W TO 08N60W TO
09N45W TO 21N48W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN
NE TO E SWELL.
.24 HOUR FORECAST WITHIN 31N37W TO 27N42W TO 28N53W TO 23N54W TO
21N41W TO 22N36W TO 31N37W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 4.5 M IN NE TO E SWELL. ELSEWHERE WITHIN 29N44W TO 29N78W TO
18N63W TO 06N56W TO 07N43W TO 19N48W TO 29N44W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.5 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 30N36W TO 30N35W TO
31N35W N WINDS 20 TO 30 KT. SEAS 5.5 TO 7.0 M IN N SWELL.
ELSEWHERE WITHIN 30N35W TO 31N73W TO 20N63W TO 09N60W TO 09N43W
TO 18N35W TO 30N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NE
SWELL.
.CARIBBEAN WITHIN 17N62W TO 18N67W TO 18N76W TO 12N75W TO 10N65W
TO 11N62W TO 17N62W...INCLUDING MONA PASSAGE...ATLANTIC PASSAGES
AND GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M
IN E SWELL.
.24 HOUR FORECAST WITHIN 15N72W TO 14N74W TO 14N76W TO 11N75W TO
11N72W TO 12N70W TO 15N72W...INCLUDING GULF OF VENEZUELA...NE TO
E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN
17N68W TO 19N75W TO 15N79W TO 12N75W TO 15N73W TO 12N67W TO
17N68W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN E SWELL.
.48 HOUR FORECAST WITHIN 12N70W TO 12N71W TO 12N72W TO 11N72W TO
12N70W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 14N77W TO 14N78W TO
13N79W TO 12N79W TO 12N78W TO 13N76W TO 14N77W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.ATLC AND GULF OF AMERICA 24 HOUR FORECAST WITHIN 25N79W TO
26N79W TO 26N80W TO 25N80W TO 24N81W TO 24N80W TO 25N79W N TO NE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. ELSEWHERE
WITHIN 28N79W TO 28.5N80W TO 28N80W TO 27N80W TO 26N80W TO
26.5N79W TO 28N79W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 27N79W TO 27N80W TO 26N80W TO 26N79W TO
27N79W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL.
ELSEWHERE WITHIN 26N79W TO 26N80W TO 25N81W TO 24N81W TO 24N80W
TO 25N79W TO 26N79W WINDS 20 KT OR LESS. SEAS NEAR 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER CHAN. NATIONAL HURRICANE CENTER.
$$
