000
FZNT02 KNHC 231610
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC FRI APR 23 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1200 UTC FRI APR 23.
24 HOUR FORECAST VALID 1200 UTC SAT APR 24.
48 HOUR FORECAST VALID 1200 UTC SUN APR 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N57W TO 29N60W TO 26N65W. N OF 30N E OF FRONT 
S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 29N W OF FRONT TO 
66W W TO NW WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FRONTAL TROUGH 31N40W TO 26N44W. N OF 26N E OF 
FRONTAL TROUGH S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. N OF 29N 
W OF FRONTAL TROUGH TO 44W SW TO W WINDS TO 20 KT. SEAS TO 8 FT 
IN NW SWELL. 
.36 HOUR FORECAST FRONTAL TROUGH DISSIPATED. WINDS LESS THAN 20 
KT. SEAS LESS THAN 8 FT.

.ATLC WEAKENING COLD FRONT 26N35W TO 25N48W. NW OF FRONT TO 48W 
WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. CONDITIONS AS DESCRIBED 
ABOVE.

.24 HOUR FORECAST COLD FRONT 31N56W TO 27N57W TO 26N60W. N OF 
28N E OF FRONT TO 50W SW WINDS 20 TO 30 KT WITH HIGHER GUSTS N 
OF 30N. SEAS 8 TO 12 FT. N OF 28N W OF FRONT TO 65W W TO NW 
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN NW SWELL...HIGHEST N OF 
30N.
.36 HOUR FORECAST COLD FRONT 31N50W TO 26N53W TO 23N58W. N OF 
26N WITHIN 360 NM E OF FRONT SW WINDS 20 TO 30 KT WITH HIGHER 
GUSTS N OF 29N. SEAS 8 TO 14 FT IN MIXED SW WIND WAVES AND NW 
SWELL...HIGHEST NEAR FRONT. FROM 26N TO 28N W OF FRONT TO 62W W 
TO NW WINDS 20 TO 25 KT. SEAS 8 TO 14 FT IN NW SWELL...HIGHEST 
NEAR 28N. N OF 28N W OF FRONT TO 62W W TO NW WINDS 20 TO 30 KT 
WITH HIGHER GUSTS. SEAS 14 TO 24 FT IN NW SWELL...HIGHEST NEAR 
31N.
.48 HOUR FORECAST REINFORCING COLD FRONT 31N43W TO 25N47W TO 
21N50W. FRONTAL TROUGH 31N38W TO 24N44W TO 21N47W. N OF 23N E OF 
FRONTAL TROUGH SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. E OF FRONT 
TO FRONTAL TROUGH SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN 
MIXED SW WIND WAVES AND NW SWELL...HIGHEST N OF 29N. FROM 23N TO 
26N W OF FRONT TO 55W NW WINDS 20 KT. SEAS 8 TO 15 FT IN NW 
SWELL...HIGHEST N OF 25N. N OF 26N W OF FRONT TO 55W W TO NW 
WINDS 20 TO 30 KT. SEAS 15 TO 26 FT IN NW SWELL. HIGHEST N OF 
28N. N OF 23N BETWEEN 55W AND 60W WINDS LESS THAN 20 KT. SEAS 8 
TO 18 FT IN NW SWELL...HIGHEST N OF 27N. N OF 26N BETWEEN 60W 
AND 68W WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT IN N SWELL... 
HIGHEST E OF 65W.

.36 HOUR FORECAST ATLC N OF 27N W OF 78W SE TO S WINDS 20 KT. 
SEAS LESS THAN 8 FT. S OF 24N W OF 65W NE TO E WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST ATLC N OF 25N W OF 76W S TO SW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. S OF 24N W OF 70W E TO SE WINDS TO 20 
KT. SEAS LESS THAN 8 FT.

.ATLC S OF 10N E OF 50W NE TO E WINDS TO 20 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST S OF 10N E OF 45W NE TO E WINDS TO 20 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 10N TO 14N BETWEEN 69W AND 78W NE TO E WINDS 20 
TO 25 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST FROM 11N TO 14N BETWEEN 70W AND 78W NE TO E 
WINDS 20 TO 25 KT EXCEPT 25 TO 30 KT NEAR COAST OF COLOMBIA. 
SEAS 8 TO 11 FT. S OF 18N W OF 84W INCLUDING GULF OF HONDURAS... 
E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 18N E OF 76W 
INCLUDING WINDWARD PASSAGE...NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT...HIGHEST NEAR COAST OF 
COLOMBIA. FROM 15N TO 18N BETWEEN 68W AND 79W INCLUDING MONA 
PASSAGE...NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. S OF 13N E 
OF 70W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. S OF 19N W OF 
84W INCLUDING GULF OF HONDURAS...SE WINDS 20 KT. SEAS LESS THAN 
8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO N OF 20N W OF 89W SE TO S WINDS 20 TO 25 KT. 
SEAS TO 8 FT N OF 26N W OF 94W AND LESS THAN 8 FT ELSEWHERE. 
.24 HOUR FORECAST COLD FRONT 29N95W TO 26N97W. W OF FRONT NW 
WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 25N E OF FRONT TO 91W S TO 
SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE E OF FRONT TO 
88W SE TO S WINDS 20 KT. SEAS LESS THAN 8 FT. E OF 88W SE WINDS 
TO 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 30N87W TO 27N90W TO 23N93W TO 
19N93W. W OF FRONT TO 90W NW WINDS TO 20 KT. SEAS LESS THAN 8 
FT. N OF 27N E OF FRONT S TO SW WINDS 20 KT. SEAS TO 8 FT. S OF 
27N E OF 90W SE TO S WINDS TO 20 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. TROPICAL PREDICTION CENTER.