NHC Southwest Atlantic & Caribbean Sea Offshore Waters Forecast
Sun Aug 30 11:09 pm
000
FZNT23 KNHC 310309
OFFNT3
Offshore Waters Forecast for the Caribbean Sea and Tropical
N Atlantic
NWS National Hurricane Center Miami, FL
1109 PM EDT Sun Aug 30 2026
Offshore Waters Forecast for Caribbean Sea, and the Tropical N
Atlantic from 07N to 19N W of 55W.
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.
AMZ001-311515-
Synopsis for Caribbean Sea, and Tropical N Atlantic from 07N to
19N W of 55W
1109 PM EDT Sun Aug 30 2026
.SYNOPSIS...A strong tropical wave is moving across the eastern
Caribbean and adjacent Atlantic waters producing scattered showers
and isolated thunderstorms, along with strong winds and rough
seas. This wave will move W to WNW and impact Hispaniola tonight
and Monday, then eastern Cuba into Tue. Elsewhere across the
basin, the pressure gradient between the subtropical ridge and
Colombian low will continue to force fresh to locally strong
easterly trades and moderate to locally rough seas over the
central and eastern Caribbean through the week, with moderate or
weaker winds and slight to moderate seas prevailing for the
remainder of the waters.
$$
AMZ040-311515-
Caribbean N of 18N W of 85W including Yucatan Basin-
1109 PM EDT Sun Aug 30 2026
.OVERNIGHT...S of 20N, E winds 10 kt. N of 20N, E winds 10 kt in
the late evening and early morning, becoming variable less than
5 kt. Seas 3 ft or less.
.MON...NE to E winds 10 kt. Seas 3 ft or less.
.MON NIGHT...E winds 10 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt, becoming NE 10 kt early in
the evening. Seas 3 ft or less.
.TUE NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.WED...S of 20N, E winds 10 kt. N of 20N, variable winds less
than 5 kt, becoming E to SE 10 kt early in the evening. Seas 3 ft
or less.
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.THU...E to SE winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.FRI...S of 20N, E winds 10 to 15 kt. N of 20N, E to SE winds
10 kt in the late morning and early afternoon, becoming variable
less than 5 kt. Seas 3 ft or less.
.FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
$$
AMZ041-311515-
Caribbean N of 20N E of 85W-
1109 PM EDT Sun Aug 30 2026
.OVERNIGHT...W of 81W, variable winds less than 5 kt. E of 81W,
variable winds less than 5 kt, becoming N to NE 10 kt early in
the morning. Seas 3 ft or less.
.MON...W of 81W, variable winds less than 5 kt. E of 81W, NE to E
winds 10 kt, shifting to SE early in the evening. Seas 3 ft or
less.
.MON NIGHT...W of 81W, variable winds less than 5 kt, becoming NE
10 kt early in the morning. E of 81W, NE to E winds 10 to 15 kt.
Seas 2 to 4 ft.
.TUE...E winds 10 kt. Seas 2 to 4 ft.
FZNT23 KNHC 310309
OFFNT3
Offshore Waters Forecast for the Caribbean Sea and Tropical
N Atlantic
NWS National Hurricane Center Miami, FL
1109 PM EDT Sun Aug 30 2026
Offshore Waters Forecast for Caribbean Sea, and the Tropical N
Atlantic from 07N to 19N W of 55W.
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.
AMZ001-311515-
Synopsis for Caribbean Sea, and Tropical N Atlantic from 07N to
19N W of 55W
1109 PM EDT Sun Aug 30 2026
.SYNOPSIS...A strong tropical wave is moving across the eastern
Caribbean and adjacent Atlantic waters producing scattered showers
and isolated thunderstorms, along with strong winds and rough
seas. This wave will move W to WNW and impact Hispaniola tonight
and Monday, then eastern Cuba into Tue. Elsewhere across the
basin, the pressure gradient between the subtropical ridge and
Colombian low will continue to force fresh to locally strong
easterly trades and moderate to locally rough seas over the
central and eastern Caribbean through the week, with moderate or
weaker winds and slight to moderate seas prevailing for the
remainder of the waters.
$$
AMZ040-311515-
Caribbean N of 18N W of 85W including Yucatan Basin-
1109 PM EDT Sun Aug 30 2026
.OVERNIGHT...S of 20N, E winds 10 kt. N of 20N, E winds 10 kt in
the late evening and early morning, becoming variable less than
5 kt. Seas 3 ft or less.
.MON...NE to E winds 10 kt. Seas 3 ft or less.
.MON NIGHT...E winds 10 kt. Seas 3 ft or less.
.TUE...Variable winds less than 5 kt, becoming NE 10 kt early in
the evening. Seas 3 ft or less.
.TUE NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
.WED...S of 20N, E winds 10 kt. N of 20N, variable winds less
than 5 kt, becoming E to SE 10 kt early in the evening. Seas 3 ft
or less.
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.THU...E to SE winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.FRI...S of 20N, E winds 10 to 15 kt. N of 20N, E to SE winds
10 kt in the late morning and early afternoon, becoming variable
less than 5 kt. Seas 3 ft or less.
.FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
$$
AMZ041-311515-
Caribbean N of 20N E of 85W-
1109 PM EDT Sun Aug 30 2026
.OVERNIGHT...W of 81W, variable winds less than 5 kt. E of 81W,
variable winds less than 5 kt, becoming N to NE 10 kt early in
the morning. Seas 3 ft or less.
.MON...W of 81W, variable winds less than 5 kt. E of 81W, NE to E
winds 10 kt, shifting to SE early in the evening. Seas 3 ft or
less.
.MON NIGHT...W of 81W, variable winds less than 5 kt, becoming NE
10 kt early in the morning. E of 81W, NE to E winds 10 to 15 kt.
Seas 2 to 4 ft.
.TUE...E winds 10 kt. Seas 2 to 4 ft.