GMDSS_METAREA4_INMARSAT
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FZNT01 KWBC 170407
HSFAT1

CCODE/1:31:04:01:00/AOW/NWS/CCODE 
HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC MAY 17 2008 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 MAY 17. 
24 HOUR FORECAST VALID 0000 UTC MAY 18. 
48 HOUR FORECAST VALID 0000 UTC MAY 19. 

.WARNINGS. 

...STORM WARNING... 
.LOW 44N62W 997 MB WILL MOVE NE 25 KT. WITHIN 480 NM S AND SE 
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. 
.24 HOUR FORECAST LOW 44N61W 981 MB. WITHIN 480 NM S AND E AND 
240 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 22 FT. 
.36 HOUR FORECAST LOW 46N57W 980 MB. WITHIN 420 NM S QUADRANT 
WINDS 35 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE WITHIN 600 NM SE 
AND 300 NM NW SEMICIRCLES WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. 
.48 HOUR FORECAST LOW 51N55W 984 MB. WITHIN 600 NM N AND NE 
QUADRANTS AND 300 NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 
10 TO 18 FT.

...GALE WARNING...
.LOW 48N51W 998 MB MOVING N 20 KT THEN TURNING MORE NW AFTER 18 
HOURS. WITHIN 540 NM S AND E QUADRANTS WINDS 25 TO 35 KT. SEAS 9 
TO 14 FT. 
.24 HOUR FORECAST LOW 55N55W 996 MB. WITHIN 480 NM N AND E 
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 
.48 HOUR FORECAST LOW AND CONDITIONS TO BE ABSORBED BY FORECAST 
LOW 51N55W MENTIONED ABOVE. 

.SYNOPSIS AND FORECAST. 

.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION W OF A 
LINE FROM 46N59W TO 40N48W TO 34N49W WINDS 20 TO 30 KT. SEAS TO 
12 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION FROM 37N 
TO 56N BETWEEN 42W AND 64W AND ALSO OVER FORECAST WATERS FROM 
56N TO 62N WINDS 20 TO 30 KT. SEAS 8 TO 17 FT. 

.48 HOUR FORECAST INLAND LOW 43N71W 992 MB. WITHIN 600 NM S AND 
SE QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. 

.FROM 42N TO 53N BETWEEN 35W AND 59W AREAS OF DENSE FOG 
OCCASIONALLY REDUCING VISIBILITY TO BELOW 1 NM. 
.24 HOUR FORECAST FROM 45N TO 54N BETWEEN 48W AND 64W AND ALSO 
OVER FORECAST WATERS FROM 46N TO 53N E OF 48W AREAS OF DENSE FOG 
OCCASIONALLY REDUCING VISIBILITY TO BELOW 1 NM. 
.48 HOUR FORECAST FROM 48N TO 55N BETWEEN 44W AND 55W AREAS OF 
DENSE FOG OCCASIONALLY REDUCING VISIBILITY TO BELOW 1 NM. 

.HIGH 59N51W 1022 MB MOVING NW 10 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 


.FORECASTER MCRANDAL. OCEAN PREDICTION CENTER. 

TROPICAL PREDICTION CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC SAT MAY 17.
24 HOUR FORECAST VALID 0000 UTC SUN MAY 18.
48 HOUR FORECAST VALID 0000 UTC MON MAY 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 31N48W TO 22N56W THEN STATIONARY TO 18N64W. N OF 28N 
WITHIN 180 NM E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 
FT IN MIXED NW SWELL AND SW WIND WAVE. ELSEWHERE N OF 25N 
BETWEEN 46W TO 50W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW 
SWELL. 
.24 HOUR FORECAST FRONT DIFFUSE. N OF 27N BETWEEN 42W AND 44W S 
WINDS 20 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC N OF 28N W OF 70W SW WINDS 20 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST COLD FRONT 31N78W TO 29N81W. N OF 27N E OF 
FRONT TO 68W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. W OF FRONT W TO 
NW WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT 31N67W TO 30N81W. 
N OF 26N E OF FRONT TO 58W SW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FRONT DIFFUSE. N OF 27N W OF 65W SW WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT WITH NW SWELL BETWEEN 55W AND 65W.

.ATLC FROM S OF 14N E WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST S OF 15N NE TO E WINDS 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST S OF 16N NE TO E WINDS 20 KT. SEAS TO 8 FT.

.CARIBBEAN FROM 11N TO 15N BETWEEN 65W TO 77W E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. S OF 18N W OF 85W SE WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.

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