430 
FZNT02 KNHC 170626 AAA
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0625 UTC SUN MAY 17 2020

UPDATED TO ADD GALE WARNING

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MEXICO

SYNOPSIS VALID 0000 UTC SUN MAY 17.
24 HOUR FORECAST VALID 0000 UTC MON MAY 18.
48 HOUR FORECAST VALID 0000 UTC TUE MAY 19.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ARTHUR NEAR 29.4N 77.7W 1006 MB AT 0300 UTC MAY
17 MOVING NNE OR 030 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM E
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
150 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 13 FT. 
.24 HOUR FORECAST TROPICAL STORM ARTHUR NEAR 32.2N 76.4W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM W SEMICIRCLE...70 NM NE QUADRANT AND 60 NM SE 
QUADRANT. IN FORECAST WATERS N OF 30N BETWEEN 75W AND 79W SW TO W
WINDS 20 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE N OF 28N BETWEEN
74W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.  
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GULF OF MEXICO GALE WARNING...
.S OF 24N W OF 92W NE TO E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. 
.06 HOUR FORECAST S OF 24N W OF 92W E WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS.  

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 06N51W TO 06N53W TO 07N55W TO 09N55W TO 08N51W TO
06N51W WINDS 20 KT OR LESS. SEAS 8 FT.
.12 HOUR FORECAST WITHIN 09N55W TO 09N57W TO 12N57W TO 12N56W TO
11N54W TO 09N55W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN WITHIN 11N64W TO 12N78W TO 15N79W TO 17N74W TO 14N66W
TO 11N64W...INCLUDING THE MONA PASSAGE... E WINDS 20 TO 30 KT.
SEAS 8 FT.
.24 HOUR FORECAST WITHIN 12N64W TO 11N65W TO 12N80W TO 16N79W TO
17N74W TO 12N64W...INCLUDING THE MONA PASSAGE... E WINDS 20 TO
30 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 12N66W TO 11N66W TO 12N78W TO 16N78W TO
17N73W TO 12N66W...INCLUDING THE MONA PASSAGE... E WINDS 20 TO
30 KT. SEAS 8 TO 9 FT.

.CARIBBEAN 03 HOUR FORECAST WITHIN 16N85W TO 16N86W TO 17N86W TO
18N85W TO 17N84W TO 16N85W...INCLUDING THE GULF OF HONDURAS... E
TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 16N85W TO 16N86W TO 17N86W TO 18N85W TO
17N84W TO 16N85W...INCLUDING THE GULF OF HONDURAS... E TO SE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER RAMOS/CHRISTENSEN. NATIONAL HURRICANE CENTER.