High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 170944
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN JAN 17 2021

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED
CORRECTLY.

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC JAN 17.
24 HOUR FORECAST VALID 0600 UTC JAN 18.
48 HOUR FORECAST VALID 0600 UTC JAN 19.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 41N63W 986 MB MOVING N 15 KT.
WITHIN 240 NM E SEMICIRCLE AND 360 NM S QUADRANT WINDS 35 TO 50
KT. SEAS 12 TO 23 FT. ELSEWHERE N OF 31N AND WITHIN 540 NM
N...360 NM E...AND 720 NM S AND SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 49N64W 976 MB. WITHIN 960 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN 660 NM NE
QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 57N64W 985
MB. WITHIN 600 NM NE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 20
FT.

...GALE WARNING...
.LOW 43N40W 982 MB MOVING E 20 KT. WITHIN 480 NM S AND 360 NM W
QUADRANTS WINDS 30 TO 45 KT. SEAS 18 TO 35 FT. ELSEWHERE WITHIN
480 NM N AND 660 NM E QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 20
FT
.24 HOUR FORECAST LOW E OF AREA 45N31W 990 MB. WITHIN 540 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 11 TO 21 FT. ELSEWHERE WITHIN
540 NM N QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING ...
.LOW 61N61W 994 MB MOVING NE 15 KT. WITHIN 240 NM E AND 360 NM S
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW AND CONDITIONS N OF AREA.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 44N46W 999 MB. FROM 33N TO 44N BETWEEN
41W AND 52W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW E OF AREA. WITHIN 240 NM W AND SW OF A LINE
FROM 47N35W TO 51N41W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 38N65W 1003 MB. W OF A LINE FROM 31N63W
TO 40N55W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 40N61W 992 MB. BETWEEN 72W AND A LINE FROM
31N54W TO 40N49W TO 44N50W WINDS 30 TO 45 KT. SEAS 11 TO 24 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A LINE FROM 59N59W
TO 66N53W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A
LINE FROM 62N59W TO 64N52W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY FROM 46N TO
50N W OF 60W.

.SYNOPSIS AND FORECAST.

.LOW 61N40W 1008 MB MOVING E 10 KT. WITHIN 180 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM
FROM 52N TO 56N BETWEEN 42W AND 54W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 56N42W 1021 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 58N38W 1018 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 0600 UTC SUN JAN 17.
24 HOUR FORECAST VALID 0600 UTC MON JAN 18.
48 HOUR FORECAST VALID 0600 UTC TUE JAN 19.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 11N74W TO 10N76W TO 12N77W TO 13N75W TO 13N74W
TO 11N74W NE TO E WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 11N74W TO 10N76W TO 12N77W TO 13N75W TO
13N74W TO 11N74W NE TO E WINDS 25 TO 35 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 11N73W TO 10N78W TO 11N81W TO 14N81W TO
14N73W TO 11N73W NE TO E WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 28N65W TO 26N70W TO 26N75W TO 31N79W TO 31N62W TO
28N65W W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 28N60W TO 26N66W TO 31N70W TO 31N56W TO
28N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 29N53W TO 31N55W TO 31N49W TO 29N53W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.

.ATLC WITHIN 30N44W TO 30N52W TO 31N53W TO 31N43W TO 30N44W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. WITHIN 07N35W
TO 06N52W TO 14N50W TO 18N44W TO 20N35W TO 07N35W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 24N35W TO 23N47W TO 26N53W TO 30N51W TO
31N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N
SWELL. WITHIN 07N37W TO 06N52W TO 12N53W TO 15N47W TO 12N38W TO
07N37W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.48 HOUR FORECAST WITHIN 07N35W TO 06N53W TO 13N61W TO 18N58W TO
29N35W TO 07N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$


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