000
FZNT02 KNHC 181500
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED APR 18 2007
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SECURITE

ATLANTIC FROM 7N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC WED APR 18
24 HOUR FORECAST VALID 1200 UTC THU APR 19
48 HOUR FORECAST VALID 1200 UTC FRI APR 20

.WARNINGS.
NONE.

.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT 31N49W 24N55W 21N60W 18N67W. N OF 24N WITHIN 
330 NM E OF FRONT SW WINDS 20 TO 30 KT SEAS 8 TO 11 FT WITH NW 
SWELL. N OF 26N W OF FRONT TO 69W W WINDS 20 TO 30 KT SEAS 12 TO 
18 FT WITH NW SWELL. ELSEWHERE W OF FRONT TO BAHAMAS AND 75W N 
OF 21N WINDS LESS THAN 20 KT SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT 31N46W 25N51W THEN 
DIFFUSE TO 18N62W. N OF 25N WITHIN 300 NM E OF FRONT SW WINDS 20 
TO 25 KT SEAS 8 TO 12 FT WITH NW SWELL. N OF 28N W OF FRONT TO 
64W W WINDS 20 TO 25 KT SEAS 12 TO 18 FT IN NW SWELL. ELSEWHERE 
W OF FRONT TO 71W N OF 19N WINDS LESS THAN 20 KT SEAS 8 TO 12 IN 
NW SWELL.
.48 HOUR FORECAST DIFFUSE FRONT 31N43W 28N45W. SEE THIRD  
PARAGRAPH FOR SEAS.

.ATLC S OF 10N E OF 50W NE WINDS 20 KT SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 15N E OF 50W NE WINDS 20 KT SEAS 8 FT.

.30 HOUR FORECAST ATLC LOW 29N70W 1004 MB MOVE NE 25 KT. WITHIN 
300 NM S SEMICIRCLE WINDS TO 20 KT SEAS TO 8 FT E OF LOW SEE 
FIRST PARAGRAPH.
.48 HOUR FORECAST LOW NORTH OF AREA NEAR 33N60W 1002 MB. S OF 
31N WITHIN 660 NM SE SEMICIRCLE WINDS 20 TO 25 KT SEAS 8 TO 11 
FT. ELSEWHERE N OF LINE 31N37W 15N48W 15N55W 30N70W 31N81W WINDS 
LESS THAN 20 KT SEAS TO 9 FT IN NW SWELL.

.CARIBBEAN S OF 15N E OF 65W SE WINDS TO 20 KT SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST S OF 15N E OF 70W SE WINDS 20 KT SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST S OF 15N E OF 65W SE WINDS 20 KT SEAS LESS 
THAN 8 FT.

.GULF OF MEXICO N OF 28N W OF 90W W WINDS TO 20 KT SEAS LESS 
THAN 8 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT.

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

$$
FORECASTER LL
TROPICAL PREDICTION CENTER
TROPICAL ANALYSIS AND FORECAST BRANCH