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 242055
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 24 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN SEP 24.
24 HOUR FORECAST VALID 1800 UTC MON SEP 25.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 26.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE MARIA NEAR 29.4N 73.0W 941 MB AT 2100 UTC SEP 24
MOVING N OR 350 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E
SEMICIRCLE...140 NM SW QUADRANT AND 160 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 300 NM S SEMICIRCLE...360 NM NE QUADRANT
AND 330 NM NW QUADRANT WITH SEAS TO 41 FT. ELSEWHERE OVER
FORECAST WATERS N OF 25N BETWEEN 67W AND 77W WINDS 20 TO 33 KT.
SEAS 8 TO 11 FT. REMAINDER ATLC WATERS N OF 22N W OF 63W AND NE
OF BAHAMAS WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
NUMEROUS STRONG TSTMS WITHIN 90 NM SW AND 60 NM NE SEMICIRCLES
OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 26N
TO 31N BETWEEN 69W AND 76W.
.24 HOUR FORECAST HURRICANE MARIA NEAR 31.4N 73.4W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 190 NM E SEMICIRCLE...140 NM SW QUADRANT AND 160 NM NW
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS N OF 27N
BETWEEN 65W AND 80W WITH SEAS TO 39 FT. ELSEWHERE OVER FORECAST
WATERS N OF 27N BETWEEN 65W AND 78W WINDS 20 TO 33 KT. SEAS 8 TO
11 FT. REMAINDER ATLC WATERS N OF 22N W OF 62W AND NE OF BAHAMAS
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIA NEAR 33.6N 73.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE...140 NM SW QUADRANT AND 160 NM NW
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS N OF 28N
BETWEEN 68W AND 77W WITH SEAS TO 36 FT. ELSEWHERE OVER FORECAST
WATERS N OF 29N BETWEEN 66W AND 76W WINDS 20 TO 33 KT. SEAS 8 TO
11 FT. REMAINDER ATLC WATERS N OF 25N W OF 63W AND NE OF BAHAMAS
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARIA NEAR 35.0N 73.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARIA NEAR 35.8N 71.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST HURRICANE MARIA NEAR 37.5N 64.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 31.3N 49.7W 980 MB AT 2100 UTC SEP 24 MOVING
SE OR 140 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100
KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER.SEAS 12
FT OR GREATER N OF 30N BETWEEN 48W AND 50W WITH SEAS TO 18 FT.
ELSEWHERE OVER FORECAST WATERS N OF 29N BETWEEN 47W AND 52W
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST HURRICANE LEE NEAR 30.7N 49.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER OVER FORECAST
WATERS N OF 29N BETWEEN 46W AND 50W WITH SEAS TO 20 FT.
ELSEWHERE OVER FORECAST WATERS N OF 28.5N BETWEEN 45W AND 50W
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER FORECAST WATERS N
OF 27N BETWEEN 43W AND 52W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE NEAR 30.4N 51.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER OVER FORECAST WATERS N OF 29N BETWEEN 49W AND 53W WITH
SEAS TO 24 FT. ELSEWHERE OVER FORECAST WATERS N OF 28N BETWEEN
48W AND 54W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER
FORECAST WATERS N OF 25N BETWEEN 45W AND 55W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LEE NEAR 31.0N 53.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 33.0N 53.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM LEE NEAR 37.0N 49.0W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 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 N OF 29N E OF 41W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
NW TO N SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 30 HOUR FORECAST S OF 14N BETWEEN 67W AND
71W E WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST S OF 15N BETWEEN 70W AND 74W NE TO E WINDS 20
TO 25 KT. SEAS 8 FT.

.CARIBBEAN 36 HOUR FORECAST S OF 20N W OF 85W...INCLUDING THE
GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.48 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 AL. 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.