143
FZNT01 KWBC 161616
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN NOV 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 16.
24 HOUR FORECAST VALID 1200 UTC NOV 17.
48 HOUR FORECAST VALID 1200 UTC NOV 18.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW INLAND 44N69W 982 MB MOVING NE 10 KT. WITHIN 600 NM SE AND
720 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST
NEAR 35N71W.
.18 HOUR FORECAST LOW INLAND 46N66W 974 MB. WITHIN 240 NM E OF A
FRONT FROM 48N57W TO 42N57W TO 34N66W WINDS 35 TO 50 KT. SEAS 4.5
TO 7 M.
.24 HOUR FORECAST COMPLEX LOW INLAND WITH MAIN CENTER NEAR 46N65W
976 MB. WITHIN 600 NM S SEMICIRCLE AND WITHIN 180 NM N AND E OF A
FRONT FROM 50N55W TO 47N53W TO 43N53W TO 36N60W WINDS 30 TO 45
KT. SEAS 3.5 TO 7 M. ELSEWHERE WITHIN 720 NM NE AND SW...AND 900
NM SE QUADRANTS...INCLUDING WITHIN THE GULF OF SAINT
LAWRENCE...WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...EXCEPT SEAS 2.5
TO 3.5 M WITHIN THE GULF OF SAINT LAWRENCE.
.42 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER INLAND NEAR
50N62W 981 MB AND SECOND CENTER NEAR 56N60W 976 MB. BETWEEN 240
NM AND 540 NM NE QUADRANT OF SECOND CENTER WINDS 50 TO 65 KT.
SEAS 7 TO 11 M IN SE SWELL.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER INLAND NEAR 57N63W
976 MB. WITHIN 180 NM NE OF A LINE FROM 58N47W TO 62N57W WINDS 45
TO 60 KT. SEAS 7 TO 10.5 M IN SE SWELL. ALSO N OF 37N BETWEEN 50W
AND 70W...INCLUDING WITHIN THE GULF OF SAINT LAWRENCE...AND N OF
39N BETWEEN 40W AND 50W WINDS 30 TO 45 KT. SEAS 3.5 TO 7.5
M...HIGHEST NE OF MEAN CENTER...EXCEPT SEAS 2.5 TO 3.5 M WITHIN
THE GULF OF SAINT LAWRENCE. ELSEWHERE N OF 33N BETWEEN 40W AND
68W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M IN MIXED SWELL.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 45N45W 996 MB MOVING NW 25 KT.
WITHIN 300 NM NE...420 NM SE...AND 780 NM SW QUADRANTS WINDS 25
TO 35 KT. SEAS 3 TO 5 M...HIGHEST NEAR 37N48W.
.24 HOUR FORECAST LOW 55N49W 998 MB. FROM 58N TO 61N BETWEEN 43W
AND 51W WINDS 35 TO 50 KT. SEAS 5 TO 7.5 M. ELSEWHERE WITHIN 480
NM NE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 57N63W
ABOVE.

...GALE WARNING...
.LOW 56N55W 994 MB MOVING NW 25 KT THEN TURNING SW AFTER 12
HOURS. WITHIN 420 NM NE QUADRANT AND WITHIN 240 NM N AND E OF A
FRONT FROM LOW CENTER TO 57N50W TO 54N43W TO 45N35W WINDS 25 TO
40 KT. SEAS 3 TO 5.5 M...HIGHEST NE OF CENTER.
.24 HOUR FORECAST LOW DISSIPATED INLAND. N OF 62N W OF 60W AREA
OF NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 57N63W ABOVE.

...GALE WARNING...
.LOW 65N56W 1018 MB MOVING W 15 KT THEN DISSIPATING INLAND.
WITHIN 240 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST N OF 63N W OF 60W AREA OF NE TO E WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 57N63W ABOVE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 54N
BETWEEN 40W AND 49W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 52N BETWEEN 47W AND
58W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 54N50W TO
65N63W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 60N BETWEEN 40W AND
50W...AND N OF 57N W OF 54W.

.LIGHT FREEZING SPRAY N OF 64N W OF 58W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 64N W OF 59W AND N OF
64N E OF GREENLAND.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 65N W OF 60W AND N OF
64N E OF GREENLAND.

.FORECASTER ANDERSON. 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 SUN NOV 16.
24 HOUR FORECAST VALID 1200 UTC MON NOV 17.
48 HOUR FORECAST VALID 1200 UTC TUE NOV 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH JUST NW OF AREA. WITHIN 31N72W TO 31N81W TO 30N80W
TO 30N78W TO 30N75W TO 31N72W SW TO W WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 31N74W TO 29N81W. WITHIN
31N60W TO 31N71W TO 30N70W TO 29N68W TO 29N66W TO 30N62W TO
31N60W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
WITHIN 31N57W TO 31N75W TO 29N73W TO 28N69W TO 30N60W TO 31N57W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N60W TO 28N70W TO
27N80W. WITHIN 31N49W TO 31N69W TO 30N69W TO 29N64W TO 29N53W TO
31N49W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.

.ATLC WITHIN 31N35W TO 31N68W TO 29N61W TO 28N51W TO 27N38W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N39W TO 31N49W TO 29N49W TO 27N47W TO
28N42W TO 31N39W WINDS 20 KT OR LESS. SEAS 2.5 M IN DECAYING
NW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC WITHIN 23N35W TO 18N43W TO 11N46W TO 08N35W TO 23N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.30 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 AGUIRRE. NATIONAL HURRICANE CENTER.

$$