918
FZNT01 KWBC 160408
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE SEP 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 16.
24 HOUR FORECAST VALID 0000 UTC SEP 17.
48 HOUR FORECAST VALID 0000 UTC SEP 18.

.WARNINGS.

...STORM WARNING...
.WITHIN 120 NM OF THE E COAST OF GREENLAND N OF 60N WINDS 25 TO
35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST WITHIN 60 NM W AND NW OF A LINE FROM 58N43W TO
61N40W TO 63N39W...ALSO N OF 63N E OF GREENLAND 35 TO 50 KT.
SEAS 4 TO 6 M.
.48 HOUR FORECAST WITHIN 120 NM W AND NW OF A LINE FROM 57N43W
TO 61N41W WINDS 25 TO 40 KT. SEAS 4 TO 6 M. ELSEWHERE N OF 53N E
OF 52W WINDS TO 25 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.LOW 34N74W 1009 MB MOVING NW 10 KT. WITHIN 300 NM N...180 NM NW

AND 120 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
ELSEWHERE WITHIN 180 NM N AND NW OF A LINE FROM 32N76W TO 36N70W
TO 37N66W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 36N76W 1010 MB. WITH 360 NM NE QUADRANT
WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 120 NM E AND
360 NM NE QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 37N75W 1014 MB. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 46N37W 1004 MB MOVING NE 20 KT.
FROM 38N TO 46N E OF 42W WINDS 25 TO 35 KT. SEAS 3 TO 4 M.
ELSEWHERE FROM 38N TO 49N E OF 44W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.24 HOUR FORECAST COMBINED LOW E OF AREA. FROM 36N TO 50N E OF
43W AREA OF NE WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS E OF AREA.

.SYNOPSIS AND FORECAST.

.LOW 56N39W 1005 MB NEARLY STATIONARY. FROM 52N TO 59N WINDS LESS
THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 56N39W 1003 MB. FROM 50N TO 57N BETWEEN 39W
AND 48W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 45N TO 51N E OF 49W WINDS
TO 25 KT. SEAS TO 3.5 M.

.LOW 34N64W 1016 MB MOVING NE 10 KT. WITHIN 240 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 35N61W 1015 MB. WITHIN 180 NM SE QUADRANT
AND WITHIN 240 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M
.48 HOUR FORECAST LOW 36N58W 1014 MB. WITHIN 180 NM SE QUADRANT
AND 180 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M.

.LOW 44N43W 1010 MB MOVING SE 20 KT. WITHIN 300 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED E OF AREA

.24 HOUR FORECAST FROM 45N TO 51N BETWEEN 49W AND 53W WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST FROM 41N TO 44N BETWEEN 40W AND 47W WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST DENSE FOG VSBY OCCASIONALLY LESS THAN 1 NM N OF
64N E OF 60W.

.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 SEP 16.
24 HOUR FORECAST VALID 0000 UTC WED SEP 17.
48 HOUR FORECAST VALID 0000 UTC THU SEP 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 12N41W 1009 MB. WITHIN 15N40W TO 15N41W TO
14N41W TO 14N40W TO 14N39W TO 15N40W WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M. ELSEWHERE WITHIN 18N38W TO 18N42W TO 15N42W TO 16N40W
TO 14N39W TO 16N37W TO 18N38W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N44.5W 1008 MB. WITHIN 18N40W TO 19N43W TO 16N44W TO 16N41W TO
12N42W TO 13N39W TO 18N40W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 17N38W TO 20N41W TO 19N46W TO 16N47W TO 14N45W
TO 15N37W TO 17N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
E SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N46.5W 1004 MB. WITHIN 20N41W TO 22N46W TO 21N49W TO 18N46W TO
14N44W TO 18N41W TO 20N41W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
ELSEWHERE WITHIN 20N40W TO 23N45W TO 22N49W TO 18N51W TO 13N43W
TO 16N39W TO 20N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E
TO SE SWELL.

.CARIBBEAN WITHIN 12N70W TO 12N72W TO 13N73W TO 11N74W TO 11N72W
TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.03 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$