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
000
FZNT02 KNHC 270940
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT AUG 27.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 28.
48 HOUR FORECAST VALID 0600 UTC MON AUG 29.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GASTON NEAR 27.9N 52.0W 995 MB AT 0900 UTC AUG
27 MOVING NW OR 310 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE...80 NM
SE...40 NM SW AND 100 NM NW QUADRANTS. SEAS 12 FT OR GREATER
WITHIN 240 NM NE...120 NM SE...150 NM SW AND 180 NM NW QUADRANTS
WITH SEAS TO 27 FT. ELSEWHERE WITHIN 240 NM NE AND 180 NM SW
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF
AREA OVER FORECAST WATERS N OF 24N BETWEEN 45W AND 56W WINDS 20
KT OR LESS. SEAS TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GASTON NEAR 29.9N 55.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE...110 NM SE...80 NM SW AND 100 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 210 NM AND 150 NM S SEMICIRCLES
WITH SEAS TO 32 FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA OVER FORECAST
WATERS N OF 26N BETWEEN 49W AND 61W WINDS 20 KT OR LESS. SEAS TO
11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GASTON NEAR 31.2N 56.8W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE...130 NM SE...100 NM SW AND 110 NM NW
QUADRANTS. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 180
NM S SEMICIRCLE WITH SEAS TO 36 FT. ELSEWHERE OVER FORECAST
WATERS WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12
FT. REMAINDER OF AREA N OF 27N BETWEEN 59W AND 63W WINDS 20 KT
OR LESS. SEAS TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE GASTON N OF AREA NEAR 32.5N 55.6W.
MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GASTON NEAR 34.5N 50.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE GASTON NEAR 37.0N 43.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 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 LOW PRES NEAR 31N66W 1010 MB. WITHIN 75 NM E SEMICIRCLE OF
LOW S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 31N69W 1011 MB. OVER FORECAST
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC LOW PRES NEAR 23N77W 1009 MB. WITHIN 120 NM NE QUADRANT OF
LOW SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 24N81W 1010 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER MUNDELL. 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.