Skip Navigation Links
National Oceanic and Atmospheric Administration logo National Weather Service logo United States Department of Commerce

High Seas Forecast (Tropical Atlantic)


000
FZNT02 KNHC 202007
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI MAR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI MAR 20.
24 HOUR FORECAST VALID 1800 UTC SAT MAR 21.
48 HOUR FORECAST VALID 1800 UTC SUN MAR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC N OF 22N E OF 48W N TO NE WINDS 20 TO 25 KT. SEAS 3 TO 5 FT IN 
N TO NE SWELL. ELSEWHERE N OF 10N TO A LINE FROM 31N45W TO 22N58W TO 
19N59W TO 10N50W WINDS 20 KT OF LESS. SEAS 2.5 TO 3 M IN N TO NE 
SWELL. S OF 10N BETWEEN 45W AND 50W WINDS 20 KT OR LESS. SEAS 2.5 M 
PRIMARILY IN NE SWELL.
.24 HOUR FORECAST E OF A LINE FROM 31N44W TO 21N51W TO 10N41W...AND 
S OF 10N E OF 53W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE 
SWELL...HIGHEST N OF 20N E OF 40W. FROM 12N TO 16N BETWEEN 55W AND 
59W WINDS 20 KT OR LESS. SEAS 2.5 M PRIMARILY IN NE SWELL.
.48 HOUR FORECAST E OF A LINE FROM 31N36W TO 20N45W TO 07N49W WINDS 
20 KT OR LESS. SEAS 2.5 TO 3 M IN NE SWELL.

.ATLC STATIONARY FRONT FROM 31N64W TO 1010 MB LOW PRES NEAR 28N67W 
TO 21N76W. N OF 23N W OF FRONT TO 80W N TO NE WINDS 20 TO 25 KT. 
SEAS 2.5 TO 4 M IN NE SWELL...HIGHEST N OF 29N W OF FRONT TO 72W. N 
OF 23N E OF FRONT TO 60W S TO SW WINDS 20 TO 30 KT...WITH HIGHER 
GUSTS. SEAS 2.5 TO 3.5 M. 
.24 HOUR FORECAST COLD FRONT FROM 31N62W TO 20N69W. N OF 23N W OF 
FRONT TO A LINE FROM 31N68W TO 23N75W NW TO N WINDS 20 TO 25 KT. 
SEAS 2.5 TO 3.5 M IN NE SWELL NE OF THE BAHAMAS. ELSEWHERE N OF 23N 
W OF FRONT TO A LINE FROM 31N70W TO 27N77W AND NE OF THE BAHAMAS 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE SWELL. N OF 23N E OF 
FRONT TO 55W S TO SW WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 
TO 4 M...HIGHEST N OF 29N E OF FRONT TO 60W. 
.48 HOUR FORECAST COLD FRONT FRONT 31N56W TO 19N65W. N OF 28N W OF 
FRONT TO 61W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE N 
OF 25N W OF FRONT TO 64W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE 
SWELL. N OF 25N E OF FRONT TO 51W S TO SW WINDS 20 TO 30 KT...WITH 
HIGHER GUSTS. SEAS 2.5 TO 4 M...HIGHEST N OF 29 E OF FRONT TO 53W. 

.CARIBBEAN STATIONARY FRONT FROM 21N76W TO 10N81W. W OF FRONT TO 84W 
NW TO N WINDS 20 TO 25 KT. SEAS 2.5 M FROM 11N TO 13N W OF FRONT. 
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 20N69W TO 10N79W. FROM 
15N TO 20N AND W OF A LINE FROM 20N73W TO 15N79W TO 82W...INCLUDING 
THE WINDWARD PASSAGE...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M W OF 
79W.   
.48 HOUR FORECAST FROM 16N TO 20N BETWEEN 70W AND 78W...INCLUDING 
THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 
M.  

.GULF OF AMERICA FROM 22N TO 26N E OF 85W...INCLUDING THE STRAITS 
OF FLORIDA...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.