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
386
FZNT02 KNHC 100417
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI OCT 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 10.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 11.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 12.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM JERRY NEAR 18.2N 61.6W 1005 MB AT 0300 UTC OCT
10 MOVING NW OR 315 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E
SEMICIRCLE...0 NM SW QUADRANT AND 50 NM NW QUADRANT. SEAS 4 M OR
GREATER WITHIN 275 NM NE QUADRANT...210 NM SE QUADRANT...60 NM SW
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 7 M. ELSEWHERE
WITHIN 22N58W TO 21N62W TO 19N63W TO 15N61W TO 15N59W TO 19N57W
TO 22N58W WINDS 20 TO 33 KT. SEAS 4 TO 5.5 M. REMAINDER OF AREA
WITHIN 24N56W TO 23N62W TO 18N63W TO 15N61W TO 13N58W TO 17N52W
TO 24N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM JERRY NEAR 22.1N 63.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE QUADRANT...140 NM SE QUADRANT...40 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210
NM NE QUADRANT...275 NM SE QUADRANT...90 NM SW QUADRANT...AND 150
NM NW QUADRANT WITH SEAS TO 7 M. ELSEWHERE WITHIN 24N59W TO
25N60W TO 26N62W TO 23N65W TO 20N64W TO 20N61W TO 24N59W WINDS 20
TO 33 KT. SEAS 4 TO 5.5 M. REMAINDER OF AREA WITHIN 30N60W TO
28N65W TO 22N69W TO 16N60W TO 18N57W TO 22N56W TO 30N60W WINDS 20
KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM JERRY NEAR 27.1N 62.8W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM W SEMICIRCLE...100 NM NE QUADRANT AND 120 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE QUADRANT...275 NM
SE QUADRANT...90 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH
SEAS TO 7.5 M. ELSEWHERE WITHIN 31N58W TO 28N62W TO 31N64W TO
26N66W TO 24N61W TO 28N58W TO 31N58W WINDS 20 TO 33 KT. SEAS 4.5
TO 6 M. REMAINDER OF AREA WITHIN 29N56W TO 31N51W TO 31N81W TO
24N73W TO 24N67W TO 22N59W TO 29N56W WINDS 20 KT OR LESS. SEAS
2.5 TO 5 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.

.ATLC STATIONARY FRONT FROM 31N77W TO 29N81W. WITHIN 31N78W TO
31N81.5W TO 30N81W TO 30.5N80.5W TO 30.5N80W TO 31N78W NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N77W TO
31N80W TO 31N81W TO 30N80W TO 30N78W TO 31N77W WINDS 20 KT OR
LESS. SEAS TO 2.5 M IN NE SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N73W TO 1008 MB LOW
PRES NEAR 28N81W. WITHIN 31N61W TO 31N75W TO 30N71W TO 30N67W TO
29N64W TO 30N61W TO 31N61W E WINDS 20 TO 30 KT. SEAS 3 TO 4 M.
ELSEWHERE WITHIN 30N60W TO 30N71W TO 31N72W TO 30N81W TO 28N74W
TO 28N64W TO 30N60W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N74W TO 23N83W. CONDITIONS
MERGED WITH TROPICAL STORM JERRY DESCRIBED ABOVE.

.ATLC WITHIN 19N36W TO 21N41W TO 12N51W TO 08N48W TO 09N44W TO
13N39W TO 19N36W WINDS 20 KT OR LESS. SEAS TO 2.5 IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 15N47W TO 18N46W TO 18N48W TO 16N54W TO
13N57W TO 11N55W TO 15N47W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN
E SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA STATIONARY FRONT FROM 29N83W TO 27N97W. WITHIN
29N83W TO 30N87W TO 30N88W TO 28N87W TO 27N85W TO 26N83W TO
29N83W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 26N82W TO 26N97W. WITHIN
28N83W TO 30N84W TO 30N86W TO 26N91W TO 25N89W TO 26N86W TO
28N83W NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST COLD FRONT FROM 23N83W TO 27N97W. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.