High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
000
FZNT02 KNHC 240303
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED AUG 24 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0000 UTC WED AUG 24.
24 HOUR FORECAST VALID 0000 UTC THU AUG 25.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 26.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 14.7N 37.1W 1002 MB AT 0300 UTC AUG
24 MOVING WNW OR 290 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND
30 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE FROM 12N TO 19N
E OF 39W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE GASTON NEAR 17.5N 41.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 60 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE SEMICIRCLE
AND 120 NM SW SEMICIRCLE WITH SEAS TO 32 FT. ELSEWHERE WITHIN
300 NM NE AND 210 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO
12 FT.
.48 HOUR FORECAST HURRICANE GASTON NEAR 22.0N 46.2W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 37 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 360 NM OF CENTER WINDS 20
TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE GASTON NEAR 26.5N 51.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 29.5N 54.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 31.5N 55.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.ATLC TROPICAL WAVE FROM 11N57W TO 22N64W WITH LOW PRES NEAR
15N59W 1009 MB. FROM 17N TO 22N BETWEEN 56W AND 61W E TO SE
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
20N66W 1007 MB. FROM 19N TO 24N BETWEEN 62W AND 68W E TO SE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
22N72W 1006 MB. WITHIN 240 NM NE SEMICIRCLE OF LOW WINDS 20 TO
30 KT. SEAS 8 TO 11 FT.

.ATLC POST-TROPICAL CYCLONE FIONA NEAR 26N66W 1015 MB. WITHIN 90
NM NE SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST POST-TROPICAL CYCLONE FIONA DISSIPATED. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 10.5N TO 13N BETWEEN 74W AND 77W NE WINDS 20 TO
25 KT. SEAS TO 8 FT.
.18 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 MCELROY. NATIONAL HURRICANE CENTER.



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.