000
FZNT31 KNHC 161904
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
304 PM EDT Thu Oct 16 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...A weak pressure gradient will support moderate or
lighter winds and slight to moderate seas over much of the basin
through Sat. A tropical wave will move across the tropical
Atlantic waters late this weekend with fresh to strong winds,
and rough seas accompanying the wave. The tropical wave is
forecast to enter the Caribbean waters by early next week,
bringing fresh winds and rough seas over the eastern Caribbean
waters.

NW Caribbean W of 85W

.TONIGHT...E winds less than 10 kt. Seas 2 ft or less.
.FRI...NE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...NE winds less than 10 kt, shifting to E after
midnight. Seas 2 ft or less.
.SAT...E winds 10 to 15 kt. Seas 2 ft or less.
.SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 ft after
midnight.
.SUN...E winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.MON...E winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.TUE...NE winds less than 10 kt. Seas 2 ft or less.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...S of 18N, Variable winds less than 10 kt. Elsewhere,
NE winds less than 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 ft or less.
.FRI...Variable winds less than 10 kt S of 18N, and NE 10 to
15 kt elsewhere. Seas 2 ft or less.
.FRI NIGHT...Variable winds less than 10 kt S of 18N, and E
10 to 15 kt elsewhere. Seas 2 ft or less.
.SAT...S of 18N, Variable winds less than 10 kt, becoming SE
less than 10 kt in the afternoon. Elsewhere, E winds 10 to
15 kt. Seas 2 ft or less.
.SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.SUN...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean from 11N to 15N W of 72W

.TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.FRI...Variable winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...Variable