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000
FZNT01 KWBC 192200
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU APR 18 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 18.
24 HOUR FORECAST VALID 1200 UTC APR 19.
48 HOUR FORECAST VALID 1200 UTC APR 20.

.WARNINGS.

...STORM WARNING...
.LOW 53N160W 994 MB MOVING SE 10 KT. WITHIN 120 NM NW OF A LINE
FROM 58N152W TO 59N149W WINDS 35 TO 50 KT. SEAS 11 TO 21
FT...HIGHEST NEAR 58N149W. ELSEWHERE WITHIN 600 NM NE...180 NM SW
AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. ALSO
N OF 50N BETWEEN 138W AND 170W WINDS 20 TO 30 KT. SEAS 8 TO 15
FT.
.24 HOUR FORECAST LOW 50N154W 994 MB. WITHIN 600 NM NW SEMICIRCLE
AND WITHIN 180 NM NE AND E OF A FRONT FROM 58N152W TO 53N144W TO
50N141W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE WITHIN 240
NM S SEMICIRCLE AND N OF 50N BETWEEN 137W AND 173W WINDS 20 TO 30
SEAS 8 TO 15 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW 52N153W 1000 MB. N OF 50N BETWEEN 128W AND
173W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 42N161E 1000 MB. WITHIN 120 NM N AND E
OF A FRONT FROM 42N160E TO 38N167E...WITHIN 120 NM E AND SE OF
FRONT FROM 38N167E TO 30N164E WINDS 25 TO 35 KT. SEAS 8 TO 16
FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 46N131W 1006 MB. WITHIN 300 NM W AND
480 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 58N168W TO
59N173W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N
OF 55N W OF 164W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 166W AND 173W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N AND NE OF A LINE FROM 56N165W TO 58N175W TO 60N179W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N W OF
169W.

.SYNOPSIS AND FORECAST.

.LOW W OF AREA NEAR 44N157E 1003 MB MOVING NE 15 KT. WITHIN 120
NM W OF A LINE FROM 30N173E TO 41N174E WINDS 20 TO 30 KT. SEAS TO
10 FT. ELSEWHERE FROM 30N TO 52N W OF 180W WINDS TO 25 KT. SEAS
TO 9 FT.
.24 HOUR FORECAST LOW 47N162E 1014 MB. FROM 31N TO 52N BETWEEN
175W AND 160E WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 45N170W
1007 MB. FROM 30N TO 46N BETWEEN 165W AND 175W SEAS 8 TO 14 FT IN
MIXED SWELL

.FROM 35N TO 46N BETWEEN 122W AND 130W AREA OF N WINDS 20 TO 30
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 48N BETWEEN
155W AND 167W...N OF 54N W OF 180W AND FROM 40N TO 50N W OF 175E.

.24 HOUR FORECAST DENSE FOG N OF 55N BETWEEN 162W AND 170W...FROM
48N TO 53N BETWEEN 151W AND 159W AND FROM 42N TO 52N W OF 180W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 47N BETWEEN 164W AND
172W...N OF 56N BETWEEN 161W AND 172W AND FROM 40N TO 47N W OF
170E.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU APR 18 2024

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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC THU APR 18.
24 HOUR FORECAST VALID 1200 UTC FRI APR 19.
48 HOUR FORECAST VALID 1200 UTC SAT APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N135W TO 13N140W TO 07N140W TO 10N133W TO 06N122W TO
08N122W TO 14N135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E
SWELL.
.24 HOUR FORECAST WITHIN 13N137W TO 14N137W TO 14N140W TO
09N140W TO 09N137W TO 11N135W TO 13N137W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN E SWELL.
.48 HOUR FORECAST WITHIN 11N136W TO 10N140W TO 08N140W TO
10N137W TO 10N136W TO 11N136W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN E SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1500 UTC THU APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 08N78W TO 09N85W TO 06N95W. ITCZ FROM 06N96W TO
04N121W TO 05N137W. SCATTERED MODERATE FROM 05N TO 07N BETWEEN
93W AND 96W AND FROM 04N TO 08N BETWEEN 116W AND 130W.
$$