580
FZNT01 KWBC 172203
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON NOV 17 2025

CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 17.
24 HOUR FORECAST VALID 1800 UTC NOV 18.
48 HOUR FORECAST VALID 1800 UTC NOV 19.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST LOW 47N64W 976 MB MOVING N 15 KT AND
SECOND NEW LOW 51N55W 980 MB MOVING NW 20 KT AND SLOWING WITHIN
24 HOURS THEN MOVING NE 10 KT. FROM 58N TO 62N BETWEEN 42W AND
53W WINDS 40 TO 55 KT. SEAS 5.5 TO 8.5 M. ELSEWHERE WITHIN 540
NM S QUADRANT AND 120 NM E OF FRONT FROM SECOND LOW TO 47N50W TO
44N51W WINDS 35 TO 50 KT. SEAS 3.5 TO 7.5 M. ALSO FROM 33N TO
53N W OF 43W...AND FROM 55N TO 63N BETWEEN 37W AND 59W WINDS 25
TO 40 KT. SEAS 2.5 TO 7 M.
.06 HOUR FORECAST COMPLEX LOW INLAND WITH FIRST LOW 48N61W 979
MB AND SECOND LOW 54N58W 978 MB. FROM 59N TO 61N BETWEEN 43W AND
54W WINDS 50 TO 65 KT. SEAS 5.5 TO 9 M.
.24 HOUR FORECAST COMBINED LOW INLAND 56N64W 973 MB. FROM 59N TO
62N BETWEEN 43W AND 53W WINDS 40 TO 55 KT. SEAS 4.5 TO 7 M.
ELSEWHERE FROM 50N TO 60N W OF 38W...AND N OF 60N W OF
GREENLAND...AND FROM 50N TO 60N...AND FROM 37N TO 50N BETWEEN
53W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST LOW 57N61W 984 MB. WITHIN 420 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.FROM 63N TO 66N W OF 60W AREA OF NE WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED ABOVE WITH LOW 56N64W.

...GALE WARNING...
.42 HOUR FORECAST NEW LOW 61N41W 1010 MB. WITHIN 90 NM W AND
NW...AND BETWEEN 60 NM AND 180 NM N AND NE QUADRANTS WINDS 25 TO
35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 62N41W 1008 MB. WITHIN 120 NM NW AND
BETWEEN 60 NM AND 180 NM N AND NE QUADRANTS WINDS 25 TO 35 KT.
SEAS 3.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 61N TO 65N W
OF 57W...FROM 55N TO 59N BETWEEN 50W AND 58W AND FROM 47N TO 52N
BETWEEN 48W AND 65W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 59N BETWEEN 38W AND
50W...AND N OF 64N W OF 60W.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 63N E OF 39W...FROM 57N
TO 62N W OF 51W...AND W OF A LINE FROM 62N64W TO 67N58W.

.LIGHT FREEZING SPRAY N OF 65N W OF 58W AND N OF 64N E OF
GREENLAND.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 65N W OF 60W AND N
OF 64N E OF GREENLAND.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 1800 UTC MON NOV 17.
24 HOUR FORECAST VALID 1800 UTC TUE NOV 18.
48 HOUR FORECAST VALID 1800 UTC WED NOV 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 20N35W TO 14N45W TO 11N46W TO 09N44W TO 08N35W TO
20N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 18N35W TO 19N38W TO 16N47W TO 11N51W TO
08N44W TO 10N35W TO 18N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN N TO NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC WITHIN 31N56W TO 31N74W TO 29N71W TO 28N64W TO 31N56W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 31N47W TO 31N70W TO 30N69W TO 29N51W TO
31N47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M IN NW SWELL.

.ATLC WITHIN 31N38W TO 31N45W TO 29N46W TO 28N42W TO 29N40W TO
31N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.06 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.