FZNT02 KNHC 181939
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON MAY 18 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON MAY 18.
24 HOUR FORECAST VALID 1800 UTC TUE MAY 19.
48 HOUR FORECAST VALID 1800 UTC WED MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 15N38W TO 19N43W TO 20N57W TO 15N61W TO 06N52W TO
07N39W TO 15N38W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 12N53W TO 16N55W TO 18N61W TO 08N55W TO
07N45W TO 10N45W TO 12N53W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC 12 HOUR FORECAST WITHIN 20.5N71W TO 21N71.5W TO 20.5N72W
TO 20N72W TO 20N70.5W TO 20.5N71W E TO SE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 20.5N71W TO 21N71.5W TO 20.5N72W TO
20N72W TO 20N70.5W TO 20.5N71W E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M IN E SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC 42 HOUR FORECAST WITHIN 31N35W TO 31N45W TO 30N43W TO
30N39W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N42W TO 29N41W TO 29N38W TO
29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.

.CARIBBEAN WITHIN 14N70W TO 15N73W TO 16N78W TO 13N80W TO 11N78W
TO 11N71W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 13N70W TO 15N77W TO 15N79W TO 13N81W TO
11N80W TO 10N78W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 13N70W TO 15N73W TO 13N74W TO 12N73W TO
12N72W TO 11N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. WITHIN 14N75W
TO 14N78W TO 14N79W TO 12N80W TO 10N78W TO 12N75W TO 14N75W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

.CARIBBEAN 12 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 17N87W TO
16N87W TO 16N85W TO 17N85W E TO SE WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA 12 HOUR FORECAST WITHIN 23N88W TO 23N91W TO
21N91W TO 21N89W TO 22N88W TO 23N88W...INCLUDING WITHIN 60 NM OF
COAST OF CAMPECHE...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 23N88W TO 23N91W TO 21N91W TO 21N89W TO
22N88W TO 23N88W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST 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 ERA. NATIONAL HURRICANE CENTER.