500 
FZNT02 KNHC 171507
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED JUN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED JUN 17.
24 HOUR FORECAST VALID 1200 UTC THU JUN 18.
48 HOUR FORECAST VALID 1200 UTC FRI JUN 19.

.WARNINGS.

...GULF OF AMERICA TROPICAL STORM WARNING...
.TROPICAL STORM ARTHUR NEAR 28.6N 95.8W 1001 MB AT 1500 UTC JUN 17 
MOVING NE OR 045 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 
KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E SEMICIRCLE AND 0 NM W 
SEMICIRCLE. SEAS TO 3.5 M. ELSEWHERE WITHIN 180 NM E SEMICIRCLE OF 
CENTER WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M. 
.12 HOUR FORECAST TROPICAL DEPRESSION ARTHUR NEAR 30.0N 94.2W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS 
WITHIN 150 SE QUADRANT OF CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ARTHUR NEAR 31.9N 91.6W. 
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. CONDITIONS MERGED.
.36 HOUR FORECAST...DISSIPATED.

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.

.CARIBBEAN FROM 11N TO 16N BETWEEN 68W AND 77W...INCLUDING THE GULF 
OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 70W AND 79W...INCLUDING 
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 11N TO 17.5N BETWEEN 70W AND 77W...INCLUDING 
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.

.CARIBBEAN 12 HOUR FORECAST S OF 19N W OF 85W...INCLUDING THE GULF 
OF HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST S OF 19N W OF 85W...INCLUDING THE GULF OF 
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.36 HOUR FORECAST S OF 20N W OF 85W...INCLUDING THE GULF OF 
HONDURAS...E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST S OF 20N W OF 85W... INCLUDING THE GULF OF 
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5 M.

.GULF OF AMERICA FROM 22N TO 26.5N BETWEEN 87W AND 92W SE TO S WINDS 
20 TO 25 KT. SEAS LESS THAN 2.5 M. 
.24 HOUR FORECAST FROM 22N TO 30N BETWEEN 86W AND 91W SE TO S WINDS 
20 TO 25 KT. SEAS TO 2.5 M IN SE SWELL. 
.48 HOUR FORECAST FROM 20N TO 25N BETWEEN 89W AND 94W SE WINDS 20 TO 
25 KT. SEAS TO 2.5 M. 

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.