NHC Southwest Atlantic & Caribbean Sea Offshore Waters Forecast
Fri Jul 17 3:27 pm
000
FZNT23 KNHC 171927
OFFNT3
Offshore Waters Forecast for the Caribbean Sea and Tropical
N Atlantic
NWS National Hurricane Center Miami, FL
327 PM EDT Fri Jul 17 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.
AMZ001-180730-
Synopsis for Caribbean Sea, and Tropical N Atlantic from 07N to
19N W of 55W
327 PM EDT Fri Jul 17 2026
.SYNOPSIS...The pressure gradient between the Atlantic high
pressure ridge oriented along 27N and the Colombian low will
support NE winds pulsing to gale-force across the waters N of
Colombia tonight and Sat night. Otherwise, strong to near- gale
force trade winds and rough seas will prevail across the much of
the central Caribbean into early Mon before contracting to south
of 15N. East winds will pulse fresh to locally strong each
evening this weekend in the Windward Passage.
$$
AMZ040-180730-
Caribbean N of 18N W of 85W including Yucatan Basin-
327 PM EDT Fri Jul 17 2026
.TONIGHT...NE to E winds 10 kt. Seas 3 to 5 ft.
.SAT...NE to E winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...S of 20N, E winds 10 kt. N of 20N, NE winds 10 kt in
the evening, becoming variable less than 5 kt. Seas 2 to 4 ft.
.SUN...E winds 10 kt S of 20N, and variable less than 5 kt N of
20N. Seas 3 ft or less.
.SUN NIGHT...E winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.MON...E to SE winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.MON NIGHT...E winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.TUE...NE to E winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...E winds 10 kt. Seas 3 ft or less.
.WED...S of 20N, E winds 10 kt. N of 20N, NE to E winds 10 kt in
the morning, becoming variable less than 5 kt. Seas 3 ft or less.
.WED NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
$$
AMZ041-180730-
Caribbean N of 20N E of 85W-
327 PM EDT Fri Jul 17 2026
.TONIGHT...W of 81W, NE to E winds 10 kt. E of 81W, variable
winds less than 5 kt, becoming NE to E 10 to 15 kt late. Seas
3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
.SUN...Variable winds less than 5 kt. Seas 3 ft or less.
.SUN NIGHT...W of 81W, variable winds less than 5 kt. E of 81W,
variable winds less than 5 kt, becoming N to NE 10 kt late. Seas
3 ft or less.
.MON...Variable winds less than 5 kt W of 81W, and E 10 kt E of
81W. Seas 3 ft or less.
.MON NIGHT...Variable winds less than 5 kt, becoming NE to E
10 kt late. Seas 3 ft or less.
.TUE...W of 81W, E winds 10 kt. E of 81W, E
FZNT23 KNHC 171927
OFFNT3
Offshore Waters Forecast for the Caribbean Sea and Tropical
N Atlantic
NWS National Hurricane Center Miami, FL
327 PM EDT Fri Jul 17 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.
AMZ001-180730-
Synopsis for Caribbean Sea, and Tropical N Atlantic from 07N to
19N W of 55W
327 PM EDT Fri Jul 17 2026
.SYNOPSIS...The pressure gradient between the Atlantic high
pressure ridge oriented along 27N and the Colombian low will
support NE winds pulsing to gale-force across the waters N of
Colombia tonight and Sat night. Otherwise, strong to near- gale
force trade winds and rough seas will prevail across the much of
the central Caribbean into early Mon before contracting to south
of 15N. East winds will pulse fresh to locally strong each
evening this weekend in the Windward Passage.
$$
AMZ040-180730-
Caribbean N of 18N W of 85W including Yucatan Basin-
327 PM EDT Fri Jul 17 2026
.TONIGHT...NE to E winds 10 kt. Seas 3 to 5 ft.
.SAT...NE to E winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...S of 20N, E winds 10 kt. N of 20N, NE winds 10 kt in
the evening, becoming variable less than 5 kt. Seas 2 to 4 ft.
.SUN...E winds 10 kt S of 20N, and variable less than 5 kt N of
20N. Seas 3 ft or less.
.SUN NIGHT...E winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.MON...E to SE winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.MON NIGHT...E winds 10 kt S of 20N, and variable less than 5 kt
N of 20N. Seas 3 ft or less.
.TUE...NE to E winds 10 kt. Seas 3 ft or less.
.TUE NIGHT...E winds 10 kt. Seas 3 ft or less.
.WED...S of 20N, E winds 10 kt. N of 20N, NE to E winds 10 kt in
the morning, becoming variable less than 5 kt. Seas 3 ft or less.
.WED NIGHT...NE to E winds 10 kt. Seas 3 ft or less.
$$
AMZ041-180730-
Caribbean N of 20N E of 85W-
327 PM EDT Fri Jul 17 2026
.TONIGHT...W of 81W, NE to E winds 10 kt. E of 81W, variable
winds less than 5 kt, becoming NE to E 10 to 15 kt late. Seas
3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
.SUN...Variable winds less than 5 kt. Seas 3 ft or less.
.SUN NIGHT...W of 81W, variable winds less than 5 kt. E of 81W,
variable winds less than 5 kt, becoming N to NE 10 kt late. Seas
3 ft or less.
.MON...Variable winds less than 5 kt W of 81W, and E 10 kt E of
81W. Seas 3 ft or less.
.MON NIGHT...Variable winds less than 5 kt, becoming NE to E
10 kt late. Seas 3 ft or less.
.TUE...W of 81W, E winds 10 kt. E of 81W, E