563 
FZNT02 KNHC 210820
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN MAY 21 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN MAY 21.
24 HOUR FORECAST VALID 0600 UTC MON MAY 22.
48 HOUR FORECAST VALID 0600 UTC TUE MAY 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 24N40W TO 27N46W TO 27N48W TO 24N43W TO 23N43W TO
21N39W TO 24N40W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E 
SWELL. WITHIN 26N53W TO 26N54W TO 20N55W TO 19N52W TO 19N48W TO 
26N53W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 26N48W TO 26N53W TO 23N52W TO 20N48W TO
18N46W TO 20N44W TO 26N48W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
TO E SWELL. WITHIN 29N66W TO 28N72W TO 26N72W TO 24N67W TO 19N55W
TO 24N61W TO 29N66W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E TO 
SE SWELL.
.48 HOUR FORECAST WITHIN 31N65W TO 31N68W TO 29N69W TO 26N68W TO
25N66W TO 26N64W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN E TO SE SWELL.

.GULF OF MEXICO POPOCATEPETL VOLCANO IN MEXICO NEAR 19.0N 98.6W 
HAS PRODUCED 2 LARGE ERUPTIONS OVERNIGHT MOVING ENE AWAY FROM THE
SUMMIT. ASH ALOFT HAS RECENTLY MOVED OVER WATER AND MAY BE 
REACHING THE SURFACE FROM 19N TO 22N BETWEEN 96W AND THE COAST. 
VISIBILITIES MAY BE RESTRICTED TO 5 NM ACROSS THIS AREA. MARINERS
SHOULD EXERCISE CAUTION. 
.24 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.