High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 201553
HSFAT1

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...STORM WARNING...
.LOW 60N35W 978 MB MOVING NE 15 KT. W AND N OF A FRONT FROM
61N38W TO 63N37W TO 64N35W WINDS 40 TO 55 KT. SEAS 14 TO 24 FT.
ELSEWHERE WITHIN 480 NM S AND 420 NM SW QUADRANTS WINDS 25 TO 40
KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW E OF AREA WITH NEW LOW TO FORM 63N40W 997
MB. WITHIN 240 NM SW AND 300 NM SE QUADRANTS WINDS 25 TO 35 KT.
SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED. OVER ICE FREE WATERS N OF 64N
E OF GREENLAND WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...STORM WARNING...
.LOW 41N52W 988 MB MOVING NE 15 KT. WITHIN 180 NM N AND NW
QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN
AN AREA BOUNDED BY A LINE FROM 31N61W TO 40N65W TO 46N54W TO
46N46W TO 42N35W TO 38N35W TO 35N40W TO 31N42W WINDS 25 TO 40
KT. SEAS 10 TO 18 FT.
.12 HOUR FORECAST LOW 42N51W 974 MB. WITHIN 180 NM SW SEMICIRCLE
AND BETWEEN 120 NM AND 300 NM N QUADRANTS WINDS 40 TO 55 KT.
SEAS 14 TO 26 FT.
.24 HOUR FORECAST LOW 44N49W 967 MB. WITHIN 240 NM SW SEMICIRCLE
AND 120 NM W OF A LINE FROM 44N50W TO 48N48W TO 51N44W WINDS 40
TO 55 KT. SEAS 14 TO 28 FT. ELSEWHERE WITHIN 540 NM S...420 NM
W...AND BETWEEN 300 NM AND 540 NM N QUADRANTS...AND 300 NM E OF
A FRONT FROM 49N45W TO 44N40W TO 37N41W TO 31N44W WINDS 30 TO 45
KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 52N42W 970 MB. WITHIN 660 NM S...540 NM
W...AND 720 NM E QUADRANTS...AND 540 NM W AND NW OF A LINE FROM
52N44W TO 61N37W WINDS 30 TO 45 KT. SEAS 12 TO 32 FT...HIGHEST
IN SE QUADRANT. ALSO E OF A FRONT FROM 38N35W TO 35N40W TO
31N43W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A LINE FROM 60N57W
TO 63N51W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 60N58W TO 61N49W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 56N56W TO 60N47W.

.SYNOPSIS AND FORECAST.

.OVER ICE FREE WATERS N OF 64N W OF GREENLAND NW WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 31N TO 34N W OF 73W AREA OF SW WINDS 20
TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 45N TO 51N BETWEEN 39W AND 51W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 60N BETWEEN 43W AND 35W.

.HIGH 49N44W 1020 MB MOVING E 30 KT.
.24 HOUR FORECAST HIGH MOVED E OF AREA.

.FORECASTER ACHORN. 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 1200 UTC FRI JAN 20.
24 HOUR FORECAST VALID 1200 UTC SAT JAN 21.
48 HOUR FORECAST VALID 1200 UTC SUN JAN 22.

.WARNINGS.

...GALE WARNING...
.ATLC COLD FRONT FROM 31N51W TO 26N55W TO 23N65W. N OF 28N E OF
FRONT TO 28.5W SW WINDS 30 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE
SE OF FRONT TO LINE 24.5N55W TO 31N41W S TO SW WINDS 20 TO 30
KT. SEAS 8 TO 12 FT IN NW SWELL. N OF 30N W OF FRONT TO 55W W
WINDS 30 TO 35 KT. SEAS 13 TO 15 FT. ELSEWHERE W OF FRONT TO
LINE 31N60W TO 26N55W W TO NW WINDS 20 TO 30 KT. SEAS 11 TO 13
FT IN NW SWELL. REMAINDER AREA BOUNDED BY 31N71W TO 25N56W TO
31N60W TO 31N71W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY
IN NW SWELL.
.12 HOUR FORECAST COLD FRONT FROM 31N47W TO 25N55W TO 21N65W. N
OF LINE FROM 26N50W TO 31N40W S TO SW WINDS 20 TO 30 KT. SEAS 8
TO 14 FT IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED BY 31N64W TO
31N35W TO 22N58W TO 31N64W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT
IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N44W TO 20N61W. N OF 29N E
OF FRONT TO 36W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
ELSEWHERE N OF LINE FROM 31N62W TO 23N51W TO 28N35W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N44W TO 26N50W
TO 19N60W. NE OF LINE FROM 31N60W TO 15N35W. WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT PRIMARILY IN NW SWELL.

.GULF OF MEXICO 18 HOUR FORECAST FROM 21.5N TO 26N BETWEEN 88W
AND 91W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 22N92W TO 27N89W TO
27N86W TO 22N89W TO 22N92W S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30.5N87W TO 21N97W. N OF 25.5N
W OF 92W NW WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF
FRONT NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. E OF 88W S TO
SW WINDS 20 TO 25 KT. SEAS 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC FROM 18N TO 22N E OF 37W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SE AND NW SWELL.
.24 HOUR FORECAST FROM 25N TO 25N E OF 37W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPH ABOVE.

.ATLC 42 HOUR FORECAST N OF 27.5N W OF 77.5W S TO SW WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 27N W OF 75W S TO SW WINDS 20 TO 25 KT.
SEAS 8 FT.

.CARIBBEAN FROM 10.5N TO 12.5N BETWEEN 74W AND 77W NE TO E WINDS
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 11.5N BETWEEN 74W AND 76W NE TO
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 18 HOUR FORECAST S OF 18N BETWEEN 84W AND 87W SE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST S OF 18N BETWEEN 84W AND 86W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 19N BETWEEN 83.5W AND 86W SE TO S WINDS
20 TO 25 KT. SEAS TO 8 FT. N OF 19N BETWEEN 84W AND 86W SE TO S
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.



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