854
FZNT01 KWBC 220408
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 0000 UTC JUL 22.
24 HOUR FORECAST VALID 0000 UTC JUL 23.
48 HOUR FORECAST VALID 0000 UTC JUL 24.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN LOW 47N58W 992 MB MOVING NE 25 KT. FROM
35N TO 46N BETWEEN 37W AND 64W AND WITHIN 240 NM NW QUADRANT
INCLUDING THE GULF OF SAINT LAWRENCE WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N46W 986 MB.
WITHIN 420 NM NE...780 NM SE...360 NM SW...AND 240 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M...HIGHEST NEAR
49N49W. ELSEWHERE FROM 35N TO 53N BETWEEN 58W AND A LINE FROM
36N48W TO 43N35W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.36 HOUR FORECAST LOW 56N45W 985 MB. WITHIN 240 NM N QUADRANT
WINDS 35 TO 50 KT. SEAS 3 TO 5.5.
.48 HOUR FORECAST LOW 59N40W 988 MB. WITHIN 60 NM W OF A LINE
FROM 58N44W TO 63N39W WINDS 35 TO 45 KT. SEAS 3.5 TO 5 M. ALSO
FROM 48N TO 64N E OF 51W 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST
NEAR 52N41W... EXCEPT N OF 63N SEAS TO 2.5 M. ELSEWHERE FROM 40N
TO 60N E OF A LINE FROM 60N55W TO 52N54W TO 49N48W TO 42N48W
WINDS TO 25 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 55N48W 1002 MB MOVING N 10 KT. WITHIN 120 NM NE OF A LINE
FROM 61N51W TO 56N46W TO 54N44W WINDS TO 25 KT. SEAS LESS THAN
2.5 M.
.12 HOUR FORECAST LOW 57N48W 999 MB. WITHIN 180 NM N QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 58N51W 999 MB. WITHIN 300 NM OF LOW CENTER
WINDS 25 TO 40 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 59N40W IN
STORM WARNING ABOVE.

.SYNOPSIS AND FORECAST.

.LOW 59N55W 998 MB DRIFTING SE. WITHIN 240 NM W SEMICIRCLE WINDS
TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N51W IN
GALE WARNING ABOVE.

.48 HOUR FORECAST NEW LOW 35N55W 1016 MB. FROM 33N TO 39N BETWEEN
46W AND 57W WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 48N
BETWEEN 37W AND 57W...FROM 54N TO 57N BETWEEN 43W AND 50W...AND N
OF 65N W OF 58W.
.24 HOUR FORECAST DENSE FOG FROM 49N TO 59N E OF 49W...WITHIN 60
NM OF THE E GREENLAND COAST FROM 60N TO 64N...AND FROM 63N TO 66N
W OF 57W.
.48 HOUR FORECAST DENSE FOG N OF 60N BETWEEN 49W AND 52W AND
WITHIN 60 NM OF THE E GREENLAND COAST FROM 63N TO 65N.

.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 0000 UTC TUE JUL 22.
24 HOUR FORECAST VALID 0000 UTC WED JUL 23.
48 HOUR FORECAST VALID 0000 UTC THU JUL 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN TROPICAL WAVE...INVEST AL94...ALONG 51W FROM
04N TO 18N. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. SCATTERED
SHOWERS AND TSTMS FROM 09N TO 16N BETWEEN 47W AND 55W.
.12 HOUR FORECAST TROPICAL WAVE...INVEST AL94...ALONG 55W FROM
04N
TO 18N. FROM 14N TO 18N WITHIN 240 NM E OF WAVE E TO SE WINDS 20
TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST TROPICAL WAVE...INVEST AL94...ALONG 56W FROM
06N
TO 18N. WITHIN 180 NM E OF WAVE FROM 14N TO 18N E TO SE WINDS 20
TO
25 KT. SEAS 2.5 M. WITHIN 150 NM W OF WAVE FORM 14N TO 18N NE TO
E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST TROPICAL WAVE...INVEST AL94...ALONG 58W FROM
07N
TO 18N. WITHIN 180 NM EITHER SIDE OF WAVE FROM 15N TO 18N NE TO E

WINDS 20 TO 25 KT...EXCEPT E TO SE WINDS 20 TO 25 KT E OF 58W.
SEAS
2.5 TO 3 M.
.48 HOUR FORECAST TROPICAL WAVE...INVEST AL94...ALONG 66W S OF
19N.
FROM 15N TO 19N BETWEEN 66W AND 69W NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3 M. FROM 15N TO 19N BETWEEN 60W AND 66W E TO SE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M E OF THE LEEWARD ISLANDS.

.ATLC FROM 20N TO 22N BETWEEN 70W AND 73W E WINDS 20 TO 25 KT.
SEAS
LESS THAN 2.5 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 20N TO 22N BETWEEN 70W AND 73W E WINDS 20
TO
25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST FROM 20N TO 22N BETWEEN 70W AND 74W E WINDS 20
TO
30 KT. SEAS TO 2.5 M NEAR 20N72W.

.CARIBBEAN FROM 11N TO 15N BETWEEN 70W AND 78W...INCLUDING THE
GULF
OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M OUTSIDE

THE GULF OF VENEZUELA. FROM 10N TO 11N E OF 78W WINDS 20 KT OR
LESS.
SEAS 2.5 IN NE SWELL.
.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 69W AND 74W NE TO E
WINDS
20 TO 25 KT...EXCEPT 25 TO 30 KT IN GULF OF VENEZUELA. SEAS TO
2.5 M
OUTSIDE GULF OF VENEZUELA.
.48 HOUR FORECAST FROM 11N TO 18N BETWEEN 69W AND 73W...INCLUDING

GULF OF VENEZUELA...AND FROM 11N TO 15N BETWEEN 73W AND 77W NE TO
E
WINDS 20 TO 25 KT. SEAS TO 2.5 M NEAR 12N73W AND LESS THAN 2.5 M
ELSEWHERE...INCLUDING GULF OF VENEZUELA.

.GULF OF MEXICO FROM 19N TO 22N BETWEEN 89W AND 92W N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 19N TO 22N BETWEEN 89W AND 92W N TO NE
WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST FROM 19N TO 22N BETWEEN 89W AND 92W N TO NE
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 AGUIRRE. NATIONAL HURRICANE CENTER.

$$