Home


000
FZNT31 KNHC 191505
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1105 AM EDT Thu Oct 19 2017

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 ATLC from 07N to 19N
between 55W and 64W

.SYNOPSIS...A tropical wave will continue W through the Central
Caribbean today and tonight. A second tropical wave will
continue W through the E Caribbean this afternoon, and pass
through the Central Caribbean waters on Fri and Sat. Fresh to
locally strong E trades are expected across the waters E of 74W
today, with these conditions shifting W across the Central
Caribbean on Fri, and then persist well into the middle of next
week. Low pressure may form in the far SW Caribbean on Mon.

NW Caribbean W of 85W

.THIS AFTERNOON...E winds less than 10 kt. Seas 3 ft.
.TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI...NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

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

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 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 15 to 25 kt. Seas 7 to 10 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.

SW Caribbean S of 11N

.THIS AFTERNOON...W winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.FRI...N winds less than 10 kt, shifting to W in the afternoon.
Seas 3 to 5 ft.
.FRI NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.
.SAT...W winds less than 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft.
.SUN...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 4 to 6 ft.
.SUN NIGHT...W winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.MON...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 4 to 6 ft.
.MON NIGHT...SW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 10 to 15 kt Gulf of Venezuela, and E
15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and
7 to 10 ft elsewhere.
.TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of
Venezuela, and 7 to 10 ft elsewhere.
.FRI...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela,
and 7 to 10 ft elsewhere.
.FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 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 7 to 10 ft.
.SUN...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON 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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 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...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 4 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...E winds 10 to 20 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...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 5 to 7 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A stationary front extends from 31N68W to 27N76.5W
to 23N82W. A weak surface low will develop along the front near
30N73W this afternoon and move NE while dragging the front E
again to a position from 30N65W to 24N75W on Fri with the front
dissipating on Sat night. Fresh SE return sets up across the
waters N of 23N W of 74W on Sun and Mon.

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

.THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.FRI NIGHT...E winds 15 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...SE winds 10 to 20 kt. Seas 5 to 6 ft.
.MON...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft.

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.THIS AFTERNOON...W of 70W, E winds less than 10 kt. Elsewhere,
S winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 6 to 7 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...W of 70W, NE winds 10 to 20 kt. Elsewhere, W winds 10 to
15 kt, shifting to NW in the afternoon. Seas 5 to 6 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.

Bahamas N of 22N

.THIS AFTERNOON...E winds less than 10 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 4 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 6 to 7 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...W of 70W, SE winds 10 to 15 kt. Elsewhere, S winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
5 to 7 ft.
.FRI NIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, E winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
5 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 20 kt. Seas 4 to 6 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 20 kt. Seas 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.

Home