875
FZNT01 KWBC 171618
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU SEP 17 2026

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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...
.30 HOUR FORECAST LOW 49N62W 1004 MB. WITHIN 180 NM W SEMICIRCLE
WINDS 20 TO 30 KT. SEAS...
.36 HOUR FORECAST LOW 50N59W 996 MB. WITHIN 300 NM E SEMICIRCLE
AND SW QUADRANT WINDS 25 TO 40 KT. SEAS...
.48 HOUR FORECAST LOW 51N51W 988 MB. WITHIN 180 NM N SEMICIRCLE
WINDS 35 TO 50 KT. SEAS.... ELSEWHERE WITHIN 300 NM OF LOW CENTER
EXCEPT 720 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS... ALSO WITHIN
900 NM S SEMICIRCLE...AND WITHIN 660 NM NW AND 420 NM NE QUADRANT
WINDS TO 25 KT. SEAS...

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 60N46W 992 MB MOVING SE 20 KT.
BETWEEN 180 NM AND 720 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS...
ELSEWHERE WITHIN 540 NM OF LOW CENTER EXCEPT 840 NM SW QUADRANT
WINDS TO 25 KT. SEAS...
.24 HOUR FORECAST LOW E OF AREA NEAR 61N27W 978 MB. BETWEEN 420
NM AND 840 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS... ELSEWHERE
WITHIN 1020 NM SW AND 420 NM NW QUADRANTS WINDS TO 25 KT.
SEAS...
.48 HOUR FORECAST LOW MOVED WELL E OF AREA. WITHIN 180 NM SW OF A
LINE FROM 60N44W TO 59N35W WINDS 25 TO 40 KT. SEAS... ELSEWHERE
FROM 55N TO 65N E OF 45W WINDS TO 25 KT. SEAS...

...GALE WARNING...
.LOW 54N38W 989 MB MOVING NE 20 KT. WITHIN 360 NM SE AND 600 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS... ELSEWHERE WITHIN 480 NM
SE AND 900 NM SW QUADRANTS WINDS TO 25 KT. SEAS...
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM SE OF
A LINE FROM 55N40W TO 45N50W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 45N BETWEEN 66W AND 70W
AND FROM 59N TO 65N BETWEEN 56W AND 65W AND FROM 60N TO 64N
BETWEEN 39W AND 42W.
.48 HOUR FORECAST DENSE FOG N OF 63N E OF GREENLAND.

.FORECASTER HOLLEY. 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 THU SEP 17.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 18.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.CARIBBEAN FROM 11N TO 14N BETWEEN 70W AND 78W...INCLUDING THE
GULF
OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 67W AND 76W...INCLUDING

THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0
M.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 68W AND 78W...INCLUDING

THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.


.GULF OF AMERICA 12 HOUR FROM 25.5N TO 28.5N E OF 84W E WINDS 20
TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST 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 GR. NATIONAL HURRICANE CENTER.

$$