445
FZNT01 KWBC 222132
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU MAY 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 1800 UTC MAY 23.
48 HOUR FORECAST VALID 1800 UTC MAY 24.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 47N43W 1007 MB FROM 34N TO 50N E OF
50W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST COMBINED LOW 50N31W 1008 MB. FROM 42N TO 52N E
OF 44W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING...
.LOW 39N71W 999 MB MOVING NE 15 KT. FROM 31N TO 44N BETWEEN 61W
AND 75W WINDS 25 TO 35 KT. SEAS TO 4 M...HIGHEST N OF CENTER.
.24 HOUR FORECAST LOW 43N68W 997 MB. W OF A LINE FROM 50N64W TO
45N54W TO 39N52W TO 33N60W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 45N67W 1006 MB. FROM 35N TO 50N W OF 44W
WINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.N OF 56N BETWEEN 45W AND 60W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST NEW LOW 61N38W 991 MB. FROM 55N TO 61N BETWEEN
35W AND 50W WINDS 30 TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 53N
TO 61N E OF 50W...AND N OF 56N BETWEEN 50W AND 60W WINDS 25 TO 35
KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 63N31W 992 MB. N OF A LINE
FROM 49N35W TO 55N50W TO 60N55W WINDS 25 TO 35 KT. SEAS 3 TO 6
M.

...GALE WARNING...
.LOW E OF AREA 62N32W 992 MB MOVING N 10 KT. N OF 59N E OF 40W
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST LOW E OF AREA NEAR 64N32W 986 MB. N OF 60N E OF
39W WINDS 25 TO 40 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST E OF AREA NEAR 65N32W 986 MB. N OF 64N E OF 37W
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED BY LOW
63N31W DESCRIBED ABOVE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 62N E OF
GREENLAND.
.24 HOUR FORECAST DENSE FOG N OF 63N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG N OF 62N BETWEEN 37W AND
GREENLAND...AND FROM 42N TO 50N BETWEEN 47W AND 60W.

.LIGHT FREEZING SPRAY N OF 62N W OF 54W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER EHRBAR. 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 THU MAY 22.
24 HOUR FORECAST VALID 1800 UTC FRI MAY 23.
48 HOUR FORECAST VALID 1800 UTC SAT MAY 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 13N72W TO 13N76W TO 12N78W TO 11N78W TO 12N75W
TO 12N72W TO 13N72W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 16N74W TO 14N79W TO 11N80W TO 10N78W TO
12N73W TO 12N69W TO 16N74W NE TO E WINDS 20 TO 30 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 06 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 16N87W TO
16N86W TO 16N85W TO 17N85W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.

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


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$