Yucatan basin
NDBC buoy 42056
Observed , 39 minutes ago
Challenging
Light SSE winds at 6 kn gusting to 10 kn, easing. Rough seas at 4 ft with 6 second dominant period from the SE, building. Water 87°F, air 82°F. Tonight: E to SE Winds 10 to 15 Kt.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneWind
Speed
5.8kn
Gust
9.7kn
Direction
160° SSE
Trend
Easing
Last 11 hours3.9 to 23 kn
Waves
4.3ft
Period
6 s
Direction
133° SE
Last 11 hours3 to 4.3 ft
Air temp
82°F
78 to 85°F today
Water temp
87°F
87 to 87°F today
Pressure
1011mbar
Tendency
Easing
3 hour change
-0.5 mbar
Last 11 hours1011 to 1014 mbar
Zone forecast
Tonight
E to SE Winds 10 to 15 Kt. Seas 3 Ft or Less. Scattered Showers And Isolated Tstms.
Thu
W of 82w, SE to S Winds 10 Kt. E of 82w, E to SE Winds 10 Kt In The Morning, Becoming Variable Less Than 5 Kt. Seas 3 Ft or Less. Scattered Showers And Isolated Tstms.
Thu Night
W of 82w, Variable Winds Less Than 5 Kt, Becoming E 10 Kt Late. E of 82w, NE Winds 10 Kt. Seas 3 Ft or Less.
Synopsis
Synopsis for Caribbean Sea, and Tropical N Atlantic from 07N to 19N W of 55W 305 PM EDT Wed Sep 23 2026
NWS zone Caribbean from 18N-20N between 80W-85W including Cayman Basin
Last 24 hours
Every 3 hours, over the last 12 hours. Air 78 to 85°F, water 87 to 87°F, pressure 1,011 to 1,014 mbar over the same window.
Common questions
How often does buoy 42056 report?
Wind, temperature and pressure update about every 10 minutes. Wave height and period update about every 30 minutes.
Can I be notified when conditions change at buoy 42056?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Caribbean from 18N-20N between 80W-85W including Cayman Basin appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what buoy 42056 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep buoy 42056 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
Station 42056
19°49'12" N 84°58'48" W · 3DV46 · owned and maintained by NDBC
Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.