438 

FZNT01 KWBC 172136
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI APR 17 2026

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 17.
24 HOUR FORECAST VALID 1800 UTC APR 18.
48 HOUR FORECAST VALID 1800 UTC APR 19.

.WARNINGS.

...STORM WARNING...
.LOW 62N39W 984 MB MOVING NE 10 KT THEN TURNING N AFTER 06 HOURS.
WITHIN 180 NM SE SEMICIRCLE WINDS 40 TO 50 KT. SEAS 5 TO 8 M.
ALSO N OF 57N E OF 46W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
ELSEWHERE...EXCEPT WHERE OTHERWISE DESCRIBED...N OF 54N W OF 35W
WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW N OF AREA AND CONDITIONS ABSORBED BY STORM
WARNING BELOW.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 52N51W 1002 MB MOVING E 15 KT AND
INTENSIFYING...AND SECOND CENTER 48N52W 1002 MB MOVING NE 20 KT.
FROM 42N TO 55N BETWEEN 35W AND 50W...AND FROM 35N TO 43N BETWEEN
43W AND 72W WINDS TO 25 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST COMBINED LOW 51N46W 996 MB. WITHIN 480 NM SE
AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW JUST E OF AREA 55N34W 979 MB. FROM 39N TO
48N E OF 40W WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ALSO N OF 42N E OF
45W...AND N OF 50N W OF 35W WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M
IN MIXED SWELL. ELSEWHERE FROM 40N TO 50N E OF 53W WINDS TO 25
KT. SEAS 2.5 TO 4 M.
.36 HOUR FORECAST LOW NEAR 60N35W 974 MB. BETWEEN 180 NM AND 420
NM W AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 4 TO 7.5 M.
.48 HOUR FORECAST LOW 59N37W 984 MB. FROM 53N TO 63N E OF 43W
WINDS 35 TO 45 KT. SEAS 5 TO 9 M. ALSO N OF 57N E OF 46W...AND
FROM 49N TO 56N E OF 53W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
ELSEWHERE...EXCEPT WHERE OTHERWISE DESCRIBED...FROM 34N TO 50N E
OF 47W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.LOW 60N49W 998 MB MOVING E 10 KT. FROM 57N TO 61N W OF 49W WINDS
25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE CONDITIONS DESCRIBED WITH
FIRST STORM WARNING ABOVE.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED WITH LOW 55N34W
ABOVE.

...GALE WARNING...
.48 HOUR FORECAST FROM 42N TO 51N BETWEEN 55W AND 63W AREA OF SE
TO S WINDS 25 TO 35 KT. SEAS TO 3 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 55N54W TO
60N56W TO 66N52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW
OF A LINE FROM 55N53W TO 58N50W TO 59N40W TO 62N38W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 59N58W TO 64N51W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
FROM 45N TO 54N W OF 48W...AND NW OF A LINE FROM 55N53W TO
60N46W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 60N BETWEEN W
GREENLAND COAST AND 56W.

.SYNOPSIS AND FORECAST.

.LOW 36N35W 1015 MB MOVING SE 15 KT. WITHIN 180 NM OF LOW CENTER
WINDS TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.24 HOUR FORECAST NEW LOW NEAR 40N65W 1013 MB. WITHIN 180 NM NE
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH SECOND GALE WARNING IN WARNINGS SECTION ABOVE.

.48 HOUR FORECAST NEW LOW INLAND NEAR 62N69W 983 MB. WITHIN 480
NM E QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM NW OF A LINE FROM
36N72W TO 43N46W TO 54N37W...AND N OF 58N W OF 35W.
.24 HOUR FORECAST DENSE FOG FROM 39N TO 42N BETWEEN 63W AND
71W...AND N OF 50N E OF 40W.
.48 HOUR FORECAST DENSE FOG NW OF A LINE FROM 35N74W TO
46N51W...AND N OF 55N E OF 42W.

.FORECASTER ANDERSON. 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 1800 UTC FRI APR 17.
24 HOUR FORECAST VALID 1800 UTC SAT APR 18.
48 HOUR FORECAST VALID 1800 UTC SUN APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 14N35W TO 15N48W TO 13N58W TO 06N55W TO 07N36W TO
14N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N43W TO 11N51W TO 07N52W TO 07N39W TO
11N43W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE TO E SWELL.

.GULF OF AMERICA COLD FRONT ALONG TEXAS COAST. 36 HOUR FORECAST
WITHIN 29N95W TO 30N94W TO 30N95W TO 29N96W TO 28N97W TO 27N97W
TO 29N95W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 30N85W TO 23N98W. WITHIN
30N86W TO 30N94W TO 28N97W TO 23N97W TO 27N94W TO 28N88W TO
30N86W NE WINDS 20 TO 25 KT. SEAS 2.5 M.

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

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$