259
FZNT02 KNHC 170917
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED SEP 17 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0600 UTC WED SEP 17.
24 HOUR FORECAST VALID 0600 UTC THU SEP 18.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 19.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL DEPRESSION SEVEN NEAR 13.7N 45.9W 1007 MB AT 0900 UTC
SEP 17 MOVING W OR 280 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 19N39W TO 22N45W TO 20N48W TO 15N48W TO
12N44W TO 13N40W TO 19N39W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST TROPICAL STORM SEVEN NEAR 15.8N 47.4W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM SEVEN NEAR 17.6N 49.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 0 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N SEMICIRCLE WITH
SEAS TO 5.5 M. ELSEWHERE WITHIN 21N43W TO 23N45W TO 22N51W TO
17N50W TO 17N44W TO 21N43W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M.
REMAINDER OF AREA WITHIN 24N45W TO 24N50W TO 21N53W TO 17N52W TO
15N45W TO 19N41W TO 24N45W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M
IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.7N 54.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 0 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N SEMICIRCLE WITH
SEAS TO 5.5 M. ELSEWHERE WITHIN 24N49W TO 25N52W TO 21N55W TO
19N55W TO 19N52W TO 22N48W TO 24N49W WINDS 20 TO 33 KT. SEAS 4.0
TO 5.5 M. REMAINDER OF AREA WITHIN 27N47W TO 28N53W TO 24N57W TO
18N55W TO 18N47W TO 20N44W TO 27N47W WINDS 20 KT OR LESS. SEAS
2.5 TO 4.0 M IN MIXED SWELL.
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.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER ERA. NATIONAL HURRICANE CENTER.
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