Skip Navigation Links
NOAA NOAA United States Department of Commerce

HF Voice Broadcast (Caribbean/SW Atlantic)



000
FZNT31 KNHC 251451
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
951 AM EST Thu Feb 25 2021

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 22N between 55W and 64W, the SW N Atlantic S of
31N W of 65W including Bahamas, and the Caribbean Sea.

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.

Synopsis for Caribbean Sea and Tropical N Atlantic from
07N to 19N between 55W and 64W

.SYNOPSIS...The Bermuda High north of the region will support
fresh to strong E trades across central and E Caribbean through
at least Mon night, with winds pulsing to gale force off the
coast of Colombia mainly during overnight and early morning
hours. Fresh to strong NE winds in the Windward Passage will
persist through Mon. Fresh to strong E trades should develop in
the Gulf of Honduras nightly beginning Sat night. N swell with E
wind waves are producing combined seas of up to 10 ft in the
tropical Atlantic waters east of the Windward Islands. These
conditions will prevail through Mon. 

NW Caribbean W of 85W

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 3 to
5 ft elsewhere. 
.TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. 
.FRI...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. 
.FRI NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. 
.SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING...
...GALE CONDITIONS POSSIBLE SAT THROUGH MON NIGHT...

.TODAY...Within 90 nm of coast of Colombia, NE to E winds 25 to
35 kt in the afternoon. Elsewhere, NE to E winds 20 to 25 kt in 
the afternoon. Seas 9 to 14 ft. 
.TONIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE to E 20 to 30 kt elsewhere. Seas 10 to 16 ft.
.FRI...Within 90 nm of coast of Colombia, NE to E winds 25 to
35 kt. Elsewhere, NE to E winds 20 to 25 kt. Seas 10 to 15 ft.
.FRI NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE to E 20 to 30 kt elsewhere. Seas 10 to 15 ft.
.SAT...Within 90 nm of coast of Colombia, NE to E winds 25 to
35 kt. Elsewhere, NE to E winds 20 to 25 kt. Seas 9 to 13 ft. 
.SAT NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE to E 20 to 30 kt elsewhere. Seas 9 to 13 ft. 
.SUN...Within 90 nm of coast of Colombia, NE to E winds 25 to
35 kt. Elsewhere, NE to E winds 20 to 25 kt. Seas 9 to 14 ft. 
.SUN NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE to E 20 to 30 kt elsewhere. Seas 10 to 15 ft. 
.MON...Within 90 nm of coast of Colombia, NE to E winds 25 to
35 kt. Elsewhere, NE to E winds 20 to 25 kt. Seas 9 to 14 ft. 
.MON NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE to E 20 to 30 kt elsewhere. Seas 8 to 12 ft. 

SW Caribbean S of 11N

.TODAY...NE winds 15 to 25 kt. Seas 8 to 13 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. 
.FRI...NE winds 15 to 25 kt. Seas 8 to 13 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. 
.SAT...NE winds 15 to 25 kt. Seas 9 to 14 ft. 
.SAT NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. 
.SUN...NE winds 15 to 25 kt. Seas 9 to 14 ft. 
.SUN NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. 
.MON...NE winds 15 to 25 kt. Seas 10 to 15 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 9 to 13 ft. 

Caribbean between 64W and 72W

.TODAY...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela,
and 7 to 9 ft elsewhere. 
.TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 7 to
10 ft elsewhere. 
.FRI...E winds 20 to 25 kt Gulf of Venezuela, and E 15 to 25 kt
elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 7 to 10 ft
elsewhere. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of
Venezuela, and 7 to 10 ft elsewhere. 
.SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W

.TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 9 ft. 
.MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 

Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W

.TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...NE winds 10 to 15 kt. Seas 6 to 9 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A weak cold front will move from west to east across
the waters north of 28N tonight and Fri. As the Bermuda High
builds north of the area behind the front, fresh to strong E 
winds will be supported across the waters south of 22N late Fri 
through late Mon. N swell combined with E wind waves in this
area will produce combined seas up to 10 ft late Sat through Mon
north of Haiti and Puerto Rico.

ATLC waters from 27N to 31N W of 77W

.TODAY...W winds less than 10 kt. Seas 3 ft. 
.TONIGHT...Variable winds less than 10 kt. Seas 3 ft. 
.FRI...SE winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. 
.SAT...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...S winds 10 to 15 kt. Seas 5 to 6 ft. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. 
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...W winds 10 to 15 kt. Seas 5 to 6 ft. 

ATLC waters from 27N to 31N between 65W and 77W

.TODAY...W winds less than 10 kt. Seas 4 to 6 ft. 
.TONIGHT...W winds less than 10 kt, shifting to SE after
midnight. Seas 3 to 5 ft. 
.FRI...E winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...SE winds 10 to 15 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 5 to 7 ft. 
.SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...SE winds 10 kt. Seas 5 to 6 ft. 
.MON...S winds 10 to 15 kt. Seas 5 to 6 ft. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 6 ft. 

Bahamas N of 22N

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 

ATLC waters from 22N to 27N between 65W and the Bahamas

.TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN...E winds 10 to 20 kt. Seas 7 to 9 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. 
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. 
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 

ATLC waters from 19N to 22N between 55W and 65W

.TODAY...E winds 10 to 20 kt. Seas 7 to 9 ft. 
.TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. 
.FRI...E winds 15 to 20 kt. Seas 7 to 9 ft. 
.FRI NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. 
.SAT...E winds 15 to 20 kt. Seas 8 to 10 ft. 
.SAT NIGHT...NE winds 15 to 20 kt. Seas 8 to 10 ft. 
.SUN...NE winds 15 to 20 kt. Seas 8 to 10 ft. 
.SUN NIGHT...NE winds 15 to 20 kt. Seas 8 to 9 ft. 
.MON...NE winds 15 to 20 kt. Seas 8 to 9 ft. 
.MON NIGHT...NE winds 15 to 20 kt. Seas 8 ft.