High Seas Forecast
Issued by NWS

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200
FZNT01 KWBC 301615
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU MAR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 1200 UTC MAR 30
24 HOUR FORECAST VALID 1200 UTC MAR 31
48 HOUR FORECAST VALID 1200 UTC APR 01

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 44N58W 984 MB MOVING SE 10 KT AND INTENSIFYING. WITHIN 180
NM W AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 10 TO 20 FT. ALSO
WITHIN 360 NM N SEMICIRCLE...600 NM SW AND 780 NM S QUADRANTS
WINDS 25 TO 40 KT. SEAS 8 TO 19 FT...HIGHEST NEAR 38N63W.
.18 HOUR FORECAST LOW 42N53W 963 MB. WITHIN 300 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 22 TO 38 FT.
.24 HOUR FORECAST LOW 41N50W 962 MB. WITHIN 360 NM SW QUADRANT
WINDS 50 TO 65 KT. SEAS 24 TO 42 FT. ALSO WITHIN 300 NM SE AND
480 NM W AND SW QUADRANTS...AND FROM 47N TO 50N BETWEEN 40W AND
50W WINDS 40 TO 50 KT. SEAS 18 TO 34 FT...EXCEPT N OF 47N SEAS
11 TO 22 FT. ELSEWHERE N OF 31N WITHIN 780 NM OF LOW CENTER
WINDS 25 TO 40 KT. SEAS 9 TO 27 FT...HIGHEST SW OF LOW.
.48 HOUR FORECAST LOW 46N42W 969 MB. WITHIN 540 NM S AND SE
QUADRANTS...ALSO BETWEEN 240 NM AND 480 NM NW QUADRANT WINDS 35
TO 50 KT. SEAS 16 TO 32 FT...HIGHEST SE. ELSEWHERE OVER FORECAST
WATERS WITHIN 780 NM S SEMICIRCLE AND 660 NM N AND NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 10 TO 28 FT...HIGHEST SW OF LOW.

...STORM WARNING...
.LOW 35N50W 984 MB MOVING NE 20 KT. WITHIN 240 NM S AND 180 NM W
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE FROM
31N TO 41N BETWEEN 39W AND 54W WINDS 25 TO 35 KT. SEAS 8 TO 17
FT.
.18 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 42N53W.

...GALE WARNING...
.LOW INLAND 61N44W 1008 MB MOVING SE 10 KT. OVER FORECAST WATERS
FROM 59N TO 62N BETWEEN 46W AND 51W WINDS 25 TO 40 KT. SEAS 8 TO
13 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 58N TO 61N BETWEEN 42W
AND 50W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST NEW LOW 62N40W 1000 MB. WITHIN 360 NM SW
QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 64N35W 1002 MB DRIFTING E. OVER ICE FREE FORECAST WATERS
WITHIN 120 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW E OF AREA 64N33W 996 MB. WITHIN 120 NM NW
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF FORECAST AREA.

...GALE WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS FROM 31N TO 41N W OF 73W
WINDS TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WITHIN 120 NM E OF A LINE FROM 37N74W TO
32N78W WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 40N72W 999 MB. WITHIN 180 NM NE AND E OF A
FRONT FROM THE LOW TO 39N68W TO 31N72W WINDS 25 TO 40 KT. SEAS 8
TO 15 FT. ELSEWHERE WITHIN 240 NM S AND SW QUADRANTS WINDS 20 TO
30 KT. SEAS TO 10 FT.

...HEAVY FREEZING SPRAY...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
FROM 62N TO 64N W OF 54W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 64N51W TO 59N59W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
GREENLAND.

.SYNOPSIS AND FORECAST.

.FROM 41N TO 50N BETWEEN 35W AND 40W WINDS TO 25 KT. SEAS 8 TO
12 FT.
.06 HOUR FORECAST CONDITIONS E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 60 NM OF
43N50W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 48N BETWEEN 45W AND 51W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 54N BETWEEN 35W AND 39W.

.HIGH INLAND 42N76W 1026 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 35N69W 1022 MB.
.48 HOUR FORECAST HIGH S OF FORECAST AREA.

.FORECASTER REINHART. 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 THU MAR 30.
24 HOUR FORECAST VALID 1200 UTC FRI MAR 31.
48 HOUR FORECAST VALID 1200 UTC SAT APR 01.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES N OF AREA NEAR 35N50W 984 MB WITH ASSOCIATED COLD
FRONT FROM 31N44W TO 24N50W TO 18N57W THEN WEAKENING TO 16N61W.
N OF 29N BETWEEN COLD FRONT AND 52W W TO NW WINDS 30 TO 35 KT.
SEAS 18 TO 21 FT. ELSEWHERE N OF 28N W OF FRONT TO 58W W TO NW
WINDS 20 TO 30 KT. SEAS 15 TO 18 FT. N OF 29N E OF FRONT TO 42W
30 TO 35 KT. SEAS 13 TO 15 FT. ELSEWHERE N OF 24N E OF FRONT TO
39W S TO SW WINDS 20 TO 30 KT. SEAS 12 TO 14 FT. REMAINDER OF
AREA NE OF A LINE FROM 31N62W TO 20N53W TO 07N44W WINDS 20 KT OR
LESS. SEAS 8 TO 13 FT IN N TO NE SWELL.
.06 HOUR FORECAST COLD FRONT FROM 31N42W TO 19N56W. N OF 29N W
OF THE FRONT TO 60W W TO NW WINDS 20 TO 25 KT. SEAS 9 TO 17 FT.
N OF 25N E OF THE FRONT TO 38W S TO SW WINDS 20 TO 30 KT. SEAS
11 TO 15 FT. ELSEWHERE NE OF A LINE FROM 31N65W TO 20N51W TO
07N47W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N39W TO 20N53W.
SECOND COLD FRONT FROM 31N45W TO 26N60W. N OF 29N W OF SECOND
FRONT TO 55W W TO NW WINDS 20 TO 25 KT. SEAS 11 TO 16 FT. N OF
29N E OF THE SECOND FRONT TO 44W SW WINDS 20 TO 25 KT. SEAS 11
TO 12 FT. ELSEWHERE N OF 30N E OF FIRST FRONT TO 36W SW WINDS 20
TO 25 KT. SEAS 10 TO 11 FT. REMAINDER AREA NE OF A LINE FROM
31N67W TO 27N63W TO 27N51W TO 22N45W WINDS 20 KT OR LESS. SEAS 8
TO 15 FT IN N SWELL.
.48 HOUR FORECAST FIRST FRONT TO DISSIPATE. SECOND COLD FRONT
FROM 31N38W TO 25N52W. N OF A LINE FROM 31N72W TO 21N60W TO
22N50W TO 30N35W WINDS 20 KT OR LESS. SEAS 8 TO 20 FT IN N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST COLD FRONT INLAND OVER SE U.S. N OF 29.5N
BETWEEN 77W AND 80.5W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N75W TO 26N80W. N OF 30N
WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.

.GULF OF MEXICO COLD FRONT FROM 30N92W TO 24N97W. N OF 25N W OF
THE FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. ELSEWHERE
FROM 21N TO 24N BETWEEN 88W AND 91W SE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N84W TO 23N94W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 24N TO 28 N W OF 94W SE WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER NR. NATIONAL HURRICANE CENTER.



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