High Seas Forecast
Issued by NWS

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344
FZNT01 KWBC 201003
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI JAN 20 2017

CCODE/1:31:04:01:00/AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

SYNOPSIS VALID 0600 UTC JAN 20
24 HOUR FORECAST VALID 0600 UTC JAN 21
48 HOUR FORECAST VALID 0600 UTC JAN 22

.WARNINGS.

...STORM WARNING...
.LOW 59N35W 980 MB MOVING NE 15 KT. BETWEEN 120 NM AND 240 NM W
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 14 TO 24 FT. ELSEWHERE N OF A
LINE FROM 51N35W TO 51N43W TO 58N48W WINDS 25 TO 40 KT. SEAS 11
TO 22 FT.
.24 HOUR FORECAST LOW E OF AREA 65N31W 984 MB. OVER FORECAST
WATERS NE OF A LINE FROM 55N35W TO 59N45W WINDS 25 TO 40 KT.
SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW E OF AREA AND NEW SECOND LOW 65N39W 1000
MB. OVER ICE FREE WATERS N OF 63N E OF 38W WINDS 20 TO 30 KT.
SEAS TO 11 FT.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 38N55W 990 MB MOVING NE 15 KT.
WITHIN AN AREA BOUNDED BY A LINE FROM 31N66W TO 39N66W TO 45N52W
TO 41N35W TO 36N35W TO 31N44W TO 31N66W WINDS 25 TO 40 KT. SEAS
11 TO 21 FT.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 41N52W 981 MB.
FROM 40N TO 44N BETWEEN 52W AND 55W WINDS 40 TO 55 KT. SEAS 14
TO 24 FT.
.24 HOUR FORECAST LOW 44N51W 971 MB WITH FRONT TO EXTEND FROM
LOW TO 47N50W TO 46N45W TO 42N44W. W OF 50W WITHIN 180 NM W AND
N OF FRONT...AND E OF 50W WITHIN 180 NM N AND E OF FRONT WINDS
40 TO 55 KT. SEAS 14 TO 28 FT. ELSEWHERE OVER FORECAST WATERS E
OF A LINE FROM 31N45W TO 36N59W TO 47N60W TO 52N54W WINDS 25 TO
40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 48N43W 970 MB. FRONT TO EXTEND FROM LOW TO
49N49W TO 57N41W TO 52N35W TO 39N35W TO 31N44W. WITHIN 300 NM E
AND 420 NM S QUADRANTS WINDS 40 TO 50 KT. SEAS 20 TO 34 FT.
ELSEWHERE W OF 44W WITHIN 180 NM NW OF FRONT WINDS 35 TO 45 KT.
SEAS 14 TO 24 FT. ALSO FROM 38N TO 48N BETWEEN 35W AND 54W...W
OF 44W WITHIN 360 NM W AND N OF FRONT...AND E OF 44W WITHIN 300
NM E AND NE OF FRONT WINDS 25 TO 40 KT. SEAS 11 TO 24
FT...HIGHEST IN S SEMICIRCLE. ALSO N OF 55N W OF 53W WINDS 20 TO
30 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 65N53W 1002 MB MOVING E 10 KT. OVER FORECAST WATERS N OF
63N W OF 54W WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. N OF 63N W OF GREENLAND AREA
OF N TO NW WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE WITH LOW 48N43W.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A LINE FROM 61N59W
TO 65N53W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 60N59W TO 63N51W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
48W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST FROM 31N TO 34N W OF 71W AREA OF SW WINDS TO
25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 59N TO 62N
BETWEEN 37W AND 35W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 47N47W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 58N BETWEEN 45W AND 35W.

.HIGH 49N48W 1020 MB MOVING E 30 KT.
.24 HOUR FORECAST HIGH MOVED E OF AREA.

.HIGH 37N75W 1017 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 41N68W 1014 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER KELLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 0600 UTC FRI JAN 20.
24 HOUR FORECAST VALID 0600 UTC SAT JAN 21.
48 HOUR FORECAST VALID 0600 UTC SUN JAN 22.

.WARNINGS.

...GALE WARNING...
.ATLC COLD FRONT FROM 31N54W TO 25N60W TO 24N29W. WITHIN AREA
BOUNDED BY 31N52W TO 31N59W TO 29N58W TO 27N55W TO 27N54W TO
31N52W SW TO W WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE
WITHIN AREA BOUNDED BY 31N44W TO 30N52W TO 31N52W TO 31N65W TO
24N62W TO 26N51W TO 31N44W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO
10 FT. WITHIN AREA BOUNDED BY 31N65W TO 31N73W TO 26N68W TO
25N62W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY
IN NW SWELL.
.18 HOUR FORECAST COLD FRONT FROM 31N47W TO 25N55W TO 21N65W.
WITHIN AREA BOUNDED BY 31N35W TO 31N57W TO 28N52W TO 25N53W TO
27N43W TO 29N36W TO 31N35W S TO SW WINDS 20 TO 30 KT. SEAS 10 TO
16 FT...HIGHEST NEAR 31N47W. WITHIN AREA BOUNDED BY 29N52W TO
31N57W TO 31N66W TO 26N61W TO 22N61W TO 25N49W TO 29N52W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 25N52W TO 20N62W.
WITHIN AREA BOUNDED BY 31N35W TO 31N47W TO 27N48W TO 27N41W TO
29N36W TO 31N35W S TO SW WINDS 20 TO 30 KT. SEAS 10 TO 15 FT...
HIGHEST NEAR 31N45W. WITHIN AREA BOUNDED BY 28N48W TO 31N47W TO
31N64W TO 27N58W TO 22N57W TO 27N41W TO 28N48W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST STALLING COLD FRONT FROM 31N44W TO 26N50W TO
19N60W. WITHIN AREA BOUNDED BY 31N36W TO 31N42W TO 29N41W TO
29N40W TO 31N36W S TO SW WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 31N35W TO 31N69W TO 24N51W TO
23N43W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
PRIMARILY IN NW SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN AREA BOUNDED BY 24N35W TO 21N41W TO 20N40W TO
18N38W TO 17N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SE AND NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 29N35W TO 27N37W TO
24N37W TO 20N36W TO 15N37W TO 14N35W TO 29N35W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 26N35W TO 23N37W TO
19N39W TO 14N38W TO 12N35W TO 26N35W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN MIXED NE AND NW SWELL.

.ATLC 48 HOUR FORECAST WITHIN AREA BOUNDED BY 31N78W TO 31N80W
TO 29N80W TO 28N80W TO 28N78W TO 29N77W TO 31N78W S TO SW WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN AREA BOUNDED BY 13N74W TO 12N76W TO 11N77W TO
11N76W TO 11N74W TO 13N74W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 12N74W TO 12N76W TO
11N76W TO 11N74W TO 12N74W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST WITHIN AREA BOUNDED BY 17N84W TO
18N85W TO 18N86W TO 17N87W TO 16N85W TO 17N84W...INCLUDING THE
GULF OF HONDURAS...SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN AREA BOUNDED BY 17N84W TO 17N85W TO
17N86W TO 16N86W TO 16N85W TO 16N84W TO 17N84W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 18N84W TO 18N85W TO
17N86W TO 16N84W TO 17N83W TO 18N84W SE TO S WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.

.GULF OF MEXICO 24 HOUR FORECAST WITHIN AREA BOUNDED BY 25N88W
TO 26N89W TO 23N91W TO 22N91W TO 21N90W TO 22N88W TO 25N88W SE
TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT APPROACHING FROM NW. WITHIN AREA
BOUNDED BY 27N96W TO 30N93W TO 30N95W TO 28N97W TO 24N98W TO
24N96W TO 27N96W W WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. WITHIN
AREA BOUNDED BY 27N83W TO 30N84W TO 30N89W TO 27N90W TO 21N87W
TO 23N83W TO 27N83W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN
CHANNEL...S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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