High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 180407
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT APR 18 2015

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SECURITE

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

SYNOPSIS VALID 0000 UTC APR 18
24 HOUR FORECAST VALID 0000 UTC APR 19
48 HOUR FORECAST VALID 0000 UTC APR 20

.WARNINGS.

...STORM WARNING...
.LOW 49N38W 980 MB MOVING N 30 KT. WITHIN 240 NM W AND SW
QUADRANTS WINDS 40 TO 55 KT. SEAS 22 TO 35 FT. ELSEWHERE FROM
34N TO A LINE FROM 63N35W TO 60N48W E OF 48W WINDS 25 TO 40 KT.
SEAS 10 TO 22 FT...EXCEPT 22 TO 34 FT NEAR 45N39W.
.24 HOUR FORECAST LOW 59N39W 990 MB. NE OF A LINE FROM 65N54W TO
58N49W TO 55N35W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW AND CONDITIONS N OF AREA.

...STORM WARNING...
.42 HOUR FORECAST LOW 40N55W 996 MB. WITHIN 180 NM W SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 12 TO 17 FT.
.48 HOUR FORECAST LOW 40N51W 988 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 16 TO 25 FT. ELSEWHERE FROM 31N TO 48N
BETWEEN 37W AND 62W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER INLAND 50N59W 1001 MB MOVING E 20
KT. WITHIN 780 NM SW AND 600 NM SE QUADRANTS WINDS 25 TO 35 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST LOWS ABSORBED WITH NEW LOW 49N42W 998 MB.
WITHIN 360 NM SE OF A FRONT FROM 47N37W TO 39N58W WINDS 25 TO 40
KT. SEAS 10 TO 20 FT. ELSEWHERE FROM FROM 44N TO 52N BETWEEN 37W
AND 54W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 57N35W 998 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF 45W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS FROM 53N TO 60N
BETWEEN 35W AND 40W AND NW OF A LINE FROM 45N54W TO 37N75W.
.24 HOUR FORECAST DENSE FOG N OF 59N E OF 40W.
.48 HOUR FORECAST CONDITIONS E OF AREA.

.HIGH 35N54W 1030 MB MOVING E 35 KT.
.24 HOUR FORECAST HIGH 36N39W 1030 MB.
.48 HOUR FORECAST HIGH E OF AREA.

.FORECASTER LEE. 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 0000 UTC SAT APR 18.
24 HOUR FORECAST VALID 0000 UTC SUN APR 19.
48 HOUR FORECAST VALID 0000 UTC MON APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC S OF 10N BETWEEN 52W AND 55W WINDS 20 KT OR LESS. SEAS TO
8 FT IN NE SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC COLD FRONT FROM 30N35W TO 26N45W THEN STATIONARY TO 27N64W
TO 31N74W. N OF FRONT AND E OF 65W WINDS 20 KT OR LESS. SEAS 8
TO 15 FT PRIMARILY IN N TO NE SWELL...HIGHEST NEAR 30N42W.
.24 HOUR FORECAST FRONT DISSIPATED. N OF 21N E OF 55W WINDS 20
KT OR LESS. SEAS 8 TO 13 FT PRIMARILY IN N TO NE SWELL...HIGHEST
NE
.48 HOUR FORECAST E OF LINE 31N42W TO 17N59W TO 12N58W TO 09N54W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN N SWELL.

.ATLC 42 HOUR FORECAST COLD FRONT FROM 31N60W TO 27N75W. N OF
28N E OF FRONT TO 47W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N56W TO 26N75W. N OF 30N
BETWEEN 44W AND 52W S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 72W AND 77W NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 72W AND 75W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 72W AND 75W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.CARIBBEAN S OF 17.5N BETWEEN 85W AND 87W NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST S OF 17.5N BETWEEN 85W AND 87.5W E TO SE WINDS
20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST S OF 17.5N BETWEEN 84W AND 87W E TO SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST S OF 18.5N BETWEEN 84.5W AND 87.5W E TO SE
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 17.5N BETWEEN 84W AND 87W E TO SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO TROUGH ALONG 90W S OF 23N. FROM 21N TO 23N
WITHIN 120 NM E OF TROUGH NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST NEW TROUGH ALONG 89W S OF 23N. FROM 21N TO 23N
WITHIN 120 NM E OF TROUGH NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.30 HOUR FORECAST TROUGH ALONG 90W S OF 24N. WINDS 20 KT OR
LESS. 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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