North Atlantic High Seas Forecast

FZNT01 KWBC 260414
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU MAR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 26. 
24 HOUR FORECAST VALID 0000 UTC MAR 27.
48 HOUR FORECAST VALID 0000 UTC MAR 28.

.WARNINGS.

...HURRICANE FORCE WIND WARNING... 
.LOW 57N43W 964 MB MOVING NE 25 KT. WITHIN 240 NM NW SEMICIRCLE
AND S QUADRANT WINDS 50 TO 70 KT. SEAS 5 TO 13 M...HIGHEST NEAR
55N40W. ELSEWHERE FROM 48N TO 65N BETWEEN 50W AND 35W...AND FROM
53N TO 65N BETWEEN 53W AND 50W...WINDS 35 TO 50 KT. SEAS 3 TO 10
M. ELSEWHERE FROM 43N TO 48N BETWEEN 50W AND 35W WINDS 20 TO 30
KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW E OF AREA 63N26W 967 MB. WITHIN AN AREA
BOUNDED BY A LINE FROM 58N35W TO 65N39W TO 65N35W TO 58N35W WINDS
40 TO 55 KT. SEAS 7 TO 10 M. ELSEWHERE WITHIN AN AREA BOUNDED BY
A LINE FROM 56N35W TO 60N43W TO 65N43W TO 65N35W TO 56N35W WINDS
35 TO 45 KT. SEAS 5 TO 9 M. ELSEWHERE FROM 46N TO 60N BETWEEN 48W
AND 35W WINDS 20 TO 30 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA.

...STORM WARNING... 
.18 HOUR FORECAST INLAND LOW 48N68W 1002 MB. FROM 40N TO 45N
BETWEEN 66W AND 56W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST INLAND LOW 50N64W 1000 MB RAPIDLY INTENSIFYING.
WITHIN 90 NM EITHER SIDE OF A LINE FROM 44N60W TO 48N56W WINDS 40
TO 50 KT. SEAS TO 4.5 M. ELSEWHERE FROM 41N TO 48N BETWEEN 65W
AND 53W WINDS 25 TO 40 KT. SEAS TO 4.5 M.
.48 HOUR FORECAST LOW 57N51W 972 MB. WITHIN 240 NM W AND SW
QUADRANTS...FROM 58N TO 61N BETWEEN 51W AND 43W...AND WITHIN 180
NM EITHER SIDE OF A LINE FROM 47N46W TO 57N37W...WINDS 40 TO 55
KT. SEAS 3 TO 9 M...HIGHEST NEAR 52N42W. ELSEWHERE WITHIN AN AREA
BOUNDED BY A LINE FROM 46N35W TO 37N65W TO 50N65W TO 64N60W TO
64N35W TO 46N35W WINDS 25 TO 40 KT. SEAS 3 TO 7 M.

...GALE WARNING...
.FROM 59N TO 62N BETWEEN 60W AND 58W AREA OF NW WINDS 25 TO 35
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST NEW LOW 62N52W 998 MB. FROM 59N TO 64N BETWEEN
55W AND 50W WINDS 25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND OVER GREENLAND.
CONDITIONS DIMINISHED.

...GALE WARNING... 
.INLAND LOW 53N59W 1010 MB MOVING NE 30 KT. IN THE GULF OF SAINT
LAWRENCE N OF 48N W OF 60W WINDS 30 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 34N54W 1024 MB MOVING NE 30 KT. WITHIN 120 NM NW OF A LINE
FROM 32N56W TO LOW CENTER WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING... 
.06 HOUR FORECAST FROM 48N TO 52N BETWEEN 50W AND 44W AREA OF SW
WINDS 25 TO 35 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST FROM 50N TO 55N BETWEEN 41W AND 35W AREA OF W
WINDS 30 TO 40 KT. SEAS 5 TO 6 M.
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA.

...GALE WARNING...
.30 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM 38N73W
TO 43N66W WINDS 25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 57N51W DESCRIBED IN
STORM WARNING ABOVE.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A LINE FROM 57N58W
TO 61N58W TO 65N54W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
NW OF A LINE FROM 56N57W TO 61N49W...FROM 59N TO 60N BETWEEN 45W
AND 42W...FROM 64N TO 65N BETWEEN 39W AND 35W...WITHIN 60 NM
EITHER SIDE OF A LINE FROM 55N45W TO 52N51W...AND IN ALL THE GULF
OF SAINT LAWRENCE.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A
LINE FROM 50N53W TO 52N47W TO 58N49W TO 59N43W TO 64N35W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE W OF 61W...AND NW OF A LINE FROM 60N60W TO 65N53W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND W OF A LINE FROM
44N58W TO 52N48W TO 58N55W TO 60N44W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 61N
BETWEEN 60W AND 58W...AND WITHIN 60 NM EITHER SIDE OF A LINE FROM
57N45W TO 61N41W TO 62N35W.
.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 43N63W TO
49N54W...FROM 62N TO 64N BETWEEN 55W AND 54W...AND FROM 62N TO
65N BETWEEN 36W AND 35W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE
FROM 42N53W TO 48N46W...AND FROM 57N TO 61N BETWEEN 60W AND 37W.

.FORECASTER CONNELLY. 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 THU MAR 26.
24 HOUR FORECAST VALID 0000 UTC FRI MAR 27.
48 HOUR FORECAST VALID 0000 UTC SAT MAR 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N65W TO 30N81W TO 29N74W TO 30N69W TO 31N65W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 19N81W TO 19N83W TO 17N86W TO 17N82W TO 19N81W
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 12N74W TO 12N76W TO 11N77W TO 10N76W TO 11N75W
TO 12N74W NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N73W TO 13N75W TO 12N77W TO 11N76W TO
11N74W TO 12N72W TO 13N73W NE WINDS 20 TO 30 KT. SEAS TO 2.5 M. 
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$