FZNT01 KWBC 171610
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 17.
24 HOUR FORECAST VALID 1200 UTC SEP 18.
48 HOUR FORECAST VALID 1200 UTC SEP 19.
.WARNINGS.
...STORM WARNING...
.12 HOUR FORECAST INLAND LOW 58N66W 994 MB. WITHIN 360 NM E
QUADRANT WINDS 25 TO 40 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 59N60W 988 MB. WITHIN 180 NM E SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 360 NM
NE...540 NM SE...AND 180 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 62N65W 968 MB.
WITHIN 90 NM NW OF A LINE FROM 63N65W TO 60N51W TO 58N44W WINDS
40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE N OF 60N W OF 60W AND FROM
54N TO 60N BETWEEN 40W AND 52W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
ALSO FROM 50N TO 54N BETWEEN 40W AND 50W WINDS TO 25 KT. SEAS TO
3 M.
...GALE WARNING...
.LOW 54N39W 1005 MB MOVING SE 15 KT. N OF 62N E OF GREENLAND AND
WITHIN 60 NM W OF A LINE FROM 62N40W TO 57N44W WINDS 25 TO 40 KT.
SEAS 3 TO 6 M. ELSEWHERE FROM 50N TO 56N BETWEEN 40W AND 50W
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW E OF AREA. FROM 42N TO 48N E OF 42W WINDS
20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
.SYNOPSIS AND FORECAST.
.LOW 35N61W 1016 MB DRIFTING E 05 KT. WITHIN 180 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 36N56W 1015 MB. WITHIN 120 NM N SEMICIRCLE
WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 40N52W 1013 MB. FROM 35N TO 43N BETWEEN 48W
AND 54W WINDS 20 TO 30 KT. SEAS TO 3 M.
.LOW 37N77W 1010 MB MOVING N 05 KT. FROM 38N TO 42N W OF 70W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 38N73W 1015 MB.
ASSOCIATED CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 61N TO 64N
BETWEEN GREENLAND AND 39W.
.24 HOUR FORECAST DENSE FOG N OF 57N W OF 59W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 60N BETWEEN 40W AND 50W
AND N OF 56N W OF 62W.
.FORECASTER KREKELER. 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 1200 UTC WED SEP 17.
24 HOUR FORECAST VALID 1200 UTC THU SEP 18.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 19.
.WARNINGS.
...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM GABRIELLE NEAR 17.5N 46.6W 1006 MB AT 1500 UTC
SEP 17 MOVING NNW OR 330 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 40
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 0 NM
OF CENTER EXCEPT 120 NM NE QUADRANT WITH SEAS TO 4.0 M.
ELSEWHERE...WITHIN 18N39W TO 22N44W TO 19N50W TO 16N48W TO 12N44W
TO 13N41W TO 18N39W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M
.24 HOUR FORECAST TROPICAL STORM GABRIELLE NEAR 20.8N 50.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT...0 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270
NM NE QUADRANT AND 150 NM SE AND NW QUADRANTS WITH SEAS TO 5.0
M. ELSEWHERE...WITHIN 24N46W TO 25N50W TO 24N52W TO 21N52W TO
18N45W TO 20N44W TO 24N46W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M.
REMAINDER OF AREA...WITHIN 25N47W TO 25N51W TO 22N54W TO 17N52W
TO 15N45W TO 19N42W TO 25N47W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM GABRIELLE
NEAR 22.7N 54.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
TROPICAL STORM FORCE WINDS WITHIN 90 NM NW AND SE QUADRANTS...150
NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN
270 NM NE QUADRANT AND 150 NM SE AND NW QUADRANTS WITH SEAS TO
6.0 M. ELSEWHERE...WITHIN 24N48W TO 26N53W TO 25N55W TO 23N56W TO
21N54W TO 21N49W TO 24N48W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M.
REMAINDER OF AREA...WITHIN 27N49W TO 28N54W TO 26N58W TO 19N57W
TO 18N54W TO 21N45W TO 27N49W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$
