101
FZNT31 KNHC 272017
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
417 PM EDT Thu Mar 27 2025

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 19N W of 55W, the N Atlantic from 19N to
31N W of 55W including the 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 W of 55W

.SYNOPSIS...Winds off Colombia will pulse to near gale force
speeds at night and early morning through the upcoming weekend.
Fresh to strong winds will develop in the lee of Cuba, in the
Windward Passage, and over the waters between Cuba tonight
through Fri night. Similar winds will develop offshore central
Honduras and south of Hispaniola tonight through the upcoming
weekend and into early next week. Moderate to fresh winds will
prevail elsewhere, except diminishing to light to gentle in the
lee of Cuba late in the weekend. Northerly swell may impact the
Atlantic Passages this weekend.

NW Caribbean W of 85W

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...NE winds 10 to 15 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt S of 18N, and E 15 to 25 kt
elsewhere. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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 5 to 7 ft.
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 20 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft.
.FRI...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.FRI NIGHT...E winds 20 to 30 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.SAT...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. 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 6 to 9 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 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.
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.

SW Caribbean S of 11N

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

Caribbean between 64W and 72W

.TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft.
.FRI...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. Seas 5 to 7 ft.
.FRI NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MON...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 10 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.
.MON...E winds 10 to 20 kt. Seas 7 to 10 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

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

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 6 to 9 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 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 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...High pressure will continue to build in the W
Atlantic, bringing an increase in winds across much of the
waters south of 29N by the end of the week and into the weekend.
Rough seas will build across these waters as a result. Winds and
seas will start to decrease later in the weekend as the high
shifts eastward and weakens. Another cold front may move off the
SE United States coast by early Tue.

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

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...SE winds 15 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft.
.SUN...SE winds 10 to 20 kt. Seas 6 to 7 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 6 to 7 ft.
.MON...S winds 10 to 20 kt. Seas 6 to 7 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...SW winds 10 to 15 kt, shifting to W in the afternoon.
Seas 5 to 7 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.

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

.TONIGHT...NE winds 10 to 20 kt W of 70W, and NE 15 to 25 kt
elsewhere. Seas 5 to 7 ft.
.FRI...E winds 10 to 20 kt W of 70W, and NE 15 to 25 kt
elsewhere. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 20 kt W of 70W, and E 15 to 25 kt
elsewhere. Seas 6 to 9 ft.
.SAT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft.
.MON...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...S winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 5 to 6 ft.

Bahamas N of 22N

.TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft.
.FRI...E winds 15 to 25 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft.
.SAT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.MON...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

.TONIGHT...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt
elsewhere. Seas 6 to 9 ft.
.FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft.
.SAT...E winds 15 to 25 kt. Seas 9 to 12 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 8 to 11 ft.
.SUN...E winds 15 to 20 kt. Seas 8 to 10 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft.
.MON...SE winds 10 to 20 kt. Seas 7 to 9 ft.
.MON NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft.
.TUE...SE winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 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...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 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 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.

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

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