451
FZNT01 KWBC 242150
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT MAY 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

MARINERS SHOULD NOTE THAT FORECASTS FOR SEAS ARE IN UNITS OF
METERS.

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC MAY 24.
24 HOUR FORECAST VALID 1800 UTC MAY 25.
48 HOUR FORECAST VALID 1800 UTC MAY 26.

.WARNINGS.

...GALE WARNING...
.LOW W OF AREA NEAR 61N32W 991 MB MOVING SE 20 KT. WITHIN 360 NM
S AND SW OF A LINE FROM 59N43W TO 62N49W TO 66N53W WINDS 25 TO 35
KT. SEAS 3.5 TO 6.5 M.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 240 NM SW OF A LINE FROM
60N35W TO 60N42W TO 64N52W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 47N51W 1012 MB MOVING NE 25 KT. FROM 38N TO 49N BETWEEN 43W
AND 52W WINDS 20 TO 30 KT. SEAS TO 3 M.
.18 HOUR FORECAST LOW 51N40W 1010 MB. WITHIN 420 NM S QUADRANT
WINDS 25 TO 45 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW JUST E OF AREA NEAR 52N34W 1006 MB. WITHIN
540 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 41N66W 1011 MB MOVING E 25 KT THEN NE AFTER 12 HOURS. FROM
34N TO 40N BETWEEN 56W AND 72W WINDS 25 TO 35 KT. SEAS TO 3.5
FT.
.24 HOUR FORECAST 47N50W 1008 MB. FROM 35N TO 46N BETWEEN 43W AND
58W WINDS 20 TO 30 KT. SEAS TO 3 FT.
.48 HOUR FORECAST 51N39W 1004 MB. WITHIN 720 NM S QUADRANT WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 63N36W 991 MB MOVING SE 10 KT. N OF 59N E OF 41W WINDS 20 TO
30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW E OF AREA. CONDITIONS DESCRIBED IN WARNINGS
SECTION ABOVE IN FIRST GALE WARNING. .

.24 HOUR FORECAST NEW LOW 46N61W 1010 MB. FROM 35N TO 41N BETWEEN
59W AND 72W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 45N53W 1012 MB. FROM 35N TO 40N BETWEEN 46W
AND 65W WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 62N E OF
GREENLAND AND FROM 43N TO 48N BETWEEN 46W AND 60W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 42W AND 54W.

.48 HOUR FORECAST DENSE FOG N OF 63N W OF GREENLAND.

.FORECASTER HYDE. 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 SAT MAY 24.
24 HOUR FORECAST VALID 1800 UTC SUN MAY 25.
48 HOUR FORECAST VALID 1800 UTC MON MAY 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 15N42W TO 17N58W TO 09N58W TO 08N45W TO 15N42W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 15N48W TO 17N57W TO 17N61W TO 11N60W TO
07N53W TO 11N47W TO 15N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN E SWELL.
.48 HOUR FORECAST WITHIN 13N56W TO 15N59W TO 15N61W TO 12N60W TO
09N54W TO 12N56W TO 13N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN E SWELL.

.CARIBBEAN WITHIN 15N72W TO 17N76W TO 15N82W TO 12N84W TO 10N80W
TO 11N70W TO 15N72W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M
IN E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 15N74W TO 15N78W TO 13N80W TO 11N78W TO
12N72W TO 15N74W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN
E SWELL.

.CARIBBEAN 06 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N88W TO
16N87W TO 17N86W...INCLUDING THE GULF OF HONDURAS... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST LITTLE CHANGE.

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


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$