142
FZNT01 KWBC 201541
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 20.
24 HOUR FORECAST VALID 1200 UTC NOV 21.
48 HOUR FORECAST VALID 1200 UTC NOV 22.

.WARNINGS.

...GALE WARNING...
.LOW 61N61W 990 MB MOVING E 10 KT. FROM 48N TO 57N W OF 47W AND
NW OF A LINE FROM 63N64W TO 67N56W WINDS 25 TO 35 KT. SEAS TO 4
M.
.24 HOUR FORECAST LOW 59N52W 998 MB. FROM 51N TO 58N BETWEEN 50W
AND 58W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITONS
DIMINISHED.

...GALE WARNING...
.LOW 63N39W 990 MB NEARLY STATIONARY. WITHIN 300 NM S AND SE
SEMICIRCLES AND WITHIN 90 NM N AND NW OF A FRONT FROM THE LOW TO
64N35W WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE N OF A LINE
FROM 51N35W TO 47N47W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 62N39W 995 MB. WITHIN 360 NM S QUADRANT
AND WITHIN 90 NM N AND NW OF A FRONT FROM THE LOW TO 63N39W TO
64N35W WINDS 25 TO 40 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE N OF A
LINE FROM 50N50W TO 53N35W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW E OF THE AREA. N OF A LINE FROM 53N35W TO
58N47W WINDS 25 TO 35 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 33N54W 1016 MB MOVING NE 10 KT. FROM 31N TO 33N BETWEEN 50W
AND 57W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 39N49W 1012 MB. WITHIN 180 NM E AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 31N
TO 42N BETWEEN 41W AND 51W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 47N41W 1008 MB. WITHIN 180 NM OF LOW
EXCEPT 300 NM SE QUADRANT AND WITHIN 300 NM E OF A FRONT FROM
41N45W TO 31N47W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST SE
QUADRANT.

...GALE WARNING...
.48 HOUR FORECAST LOW 40N70W 1006 MB. BETWEEN 42N AND A LINE
FROM 35N67W TO 33N79W WINDS 25 TO 35 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF A LINE FROM
59N43W TO 64N35W AND W AND NW OF A LINE FROM 54N52W TO 60N60W TO
67N57W.
.24 HOUR FORECAST DENSE FOG N OF A LINE FROM 59N41W TO 64B35W
AND WITHIN 120 NM E OF A LINE FROM 60N50W TO 65N56W.
.48 HOUR FORECAST DENSE FOG W AND NW OF A LINE FROM 50N51W TO
60N60W TO 64N60W.

.AREAS OF LIGHT FREEZING SPRAY N OF 65N W OF 60W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST AREAS OF LIGHT FREEZING SPRAY W AND NW OF A
LINE FROM 62N64W TO 67N60W AND N OF A LINE FROM 60N42W TO 63N40W
TO 65N35W.

.FORECASTER COLLINS. 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 1200 UTC THU NOV 20.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 21.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N49W TO 27N46W TO 28N39W TO 28N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N49W TO 29N43W TO 25N39W TO
26N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
NE AND SE SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N48W TO 25N43W TO 23N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

.CARIBBEAN WITHIN 12N75W TO 12N76W TO 12N78W TO 11N78W TO 10N77W
TO 11N76W TO 12N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.09 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 ADAMS. NATIONAL HURRICANE CENTER.